mp_audio_manage/app/Services/PointsService.php

<?php

namespace App\Services;

use App\Consts\ErrorConst;
use App\Facade\Site;
use App\Libs\Utils;
use App\Models\MpGeneratePicTask;
use App\Models\MpGenerateVideoTask;
use App\Models\MpUserPointsDetail;
use App\Transformer\Points\PointsTransformer;
use Illuminate\Support\Facades\DB;

/**
 * 用户积分服务
 *
 * 负责视频生成等业务的积分扣费、积分使用明细记录以及用户积分余额更新。
 */
class PointsService
{
    /**
     * 视频生成单次默认扣费积分数
     * 视频模型未配置计费规则时的默认扣费积分数（兜底，避免未配置模型免费）
     */
    const DEFAULT_VIDEO_CHARGE_POINTS = 0;

    /**
     * AI对话（chatForAce / addChatForAce单剧集 / reGenerateAnimeForAce单剧集 / regenerateSegmentScript剧集模式）单次扣费积分数
     *
     * 该值为文生文（对话）的默认扣费积分数：
     * 各模型可在 mp_text_models.price_json 中按 model 配置 special/normal 两档（{"special": 10, "normal": 3}），
     * 未配置或模型不存在时回退此默认值（special 档）。
     */
    const CHAT_CHARGE_POINTS = 10;

    /**
     * 文生文（对话）normal 档默认扣费积分数
     *
     * 其他文生文接口（chatWithFile / chatWithReasoner / chatChangeImg / generateText 纯文本等）统一按 normal 档计费，
     * 未配置或模型不存在时回退此默认值。
     */
    const NORMAL_CHAT_CHARGE_POINTS = 3;

    /**
     * 获取文生文（AI对话）单次应扣积分数（公共方法）
     *
     * 计费规则从 mp_text_models 表读取（charge_type=per_call，按次计费）：
     * - 传入 model 且该模型配置了 price_json.{type} 时，返回对应档位配置值（允许 0，即免费）
     * - 兼容旧格式 price_json.price
     * - 模型未配置、模型不存在或未传 model 时，special 档返回 10、normal 档返回 3
     *
     * @param string $model 文本模型 ID（如 deepseek-reasoner / doubao-seed-2-0-mini-260215）
     * @param string $type  计费档位：special（主对话，默认）或 normal（其他文生文）
     * @return int
     */
    public function getChatChargePoints(string $model = '', string $type = 'special'): int
    {
        $defaultPoints = $type === 'normal' ? self::NORMAL_CHAT_CHARGE_POINTS : self::CHAT_CHARGE_POINTS;

        if ($model !== '') {
            $modelRow = DB::table('mp_text_models')->where('model', $model)->first();
            if ($modelRow && ($modelRow->charge_type ?? '') === 'per_call') {
                $priceJson = $modelRow->price_json;
                $priceRule = is_string($priceJson) ? json_decode($priceJson, true) : $priceJson;
                if (is_array($priceRule)) {
                    if (isset($priceRule[$type]) && is_numeric($priceRule[$type])) {
                        return (int)max(0, round((float)$priceRule[$type]));
                    }
                    // 兼容旧格式 {"price": 10}
                    if (isset($priceRule['price']) && is_numeric($priceRule['price'])) {
                        return (int)max(0, round((float)$priceRule['price']));
                    }
                }
            }
        }

        return $defaultPoints;
    }

    /**
     * 获取图生文（有参考图/视频输入的对话）单次应扣积分数（公共方法）
     *
     * 计费规则固定如下（未在映射表中的模型回退 normal 档，即 3）：
     * - Gemini3.1 flash / pro   5 积分/次
     * - Gemini3.0 flash / pro   3 积分/次
     * - Gemini3.6 flash        10 积分/次
     * - GPT-5.4 / GPT-5.6-terra / GPT-5.6-sol / GPT-5.6-luna 3 积分/次
     * - doubao-seed-2.0 pro / lite / mini 3 积分/次
     *
     * @param string $model 文本模型 ID
     * @return int
     */
    public function getImageChatChargePoints(string $model = ''): int
    {
        $map = [
            'gemini-3.1-flash-image-preview-t' => 5,
            'gemini-3.1-pro-preview'           => 5,
            'gemini-3-flash-preview'           => 3,
            'gemini-3-pro-preview'             => 3,
            'gemini-3.6-flash'                 => 10,
            'gpt-5.4'                          => 3,
            'gpt-5.6-terra'                    => 3,
            'gpt-5.6-sol'                      => 3,
            'gpt-5.6-luna'                     => 3,
            'doubao-seed-2-0-pro-260215'       => 3,
            'doubao-seed-2-0-lite-260215'      => 3,
            'doubao-seed-2-0-mini-260215'      => 3,
        ];

        if (isset($map[$model])) {
            return $map[$model];
        }

        return $this->getChatChargePoints($model, 'normal');
    }

    /**
     * 获取视频模型应扣积分数（公共方法）
     *
     * 计费规则从 mp_video_models 表读取：
     * - 按秒计费（per_second）：积分 = 单价/秒 × 视频时长（秒）
     * - 按次计费（per_call）：积分 = 固定单价（如 Gemini 视频理解，暂未接入）
     * 分辨率会归一化为计费档位；“超分720p”档对应生成分辨率 480p（任务更新代码会对 480p 直接超分到 720p）。
     *
     * @param array $chargeInfo 计费信息（model、video_resolution、video_duration、mode 等）
     * @return int
     */
    public function getVideoChargePoints(array $chargeInfo = []): int
    {
        $model = (string)getProp($chargeInfo, 'model', '');
        $resolution = strtolower((string)getProp($chargeInfo, 'video_resolution', '720p'));
        $duration = (int)getProp($chargeInfo, 'video_duration', 0);
        if ($duration <= 0) {
            $duration = 1; // 时长未知时按1秒兜底
        }
        $mode = (string)getProp($chargeInfo, 'mode', 'video_generation');

        // 从 mp_video_models 表读取计费规则
        $modelRow = DB::table('mp_video_models')->where('model', $model)->first();
        if (!$modelRow || empty($modelRow->charge_type)) {
            return self::DEFAULT_VIDEO_CHARGE_POINTS;
        }

        $priceJson = $modelRow->price_json;
        $priceRule = is_string($priceJson) ? json_decode($priceJson, true) : $priceJson;
        if (!is_array($priceRule) || empty($priceRule)) {
            return self::DEFAULT_VIDEO_CHARGE_POINTS;
        }

        // 按次计费（如 Gemini 视频理解：每次固定积分）
        if ($modelRow->charge_type === 'per_call') {
            $price = (float)($priceRule['price'] ?? self::DEFAULT_VIDEO_CHARGE_POINTS);
            return (int)max(1, round($price));
        }

        // 按秒计费：按场景取分辨率价格表（默认视频生成场景）
        $prices = $priceRule[$mode] ?? $priceRule['video_generation'] ?? [];
        if (!is_array($prices) || empty($prices)) {
            return self::DEFAULT_VIDEO_CHARGE_POINTS;
        }

        $resKey = $this->normalizeResolutionKey($resolution);
        $pricePerSecond = $prices[$resKey] ?? null;
        // sr_1080p 无单独定价时回退 720p 档
        if ($pricePerSecond === null && $resKey === 'sr_1080p') {
            $pricePerSecond = $prices['720p'] ?? null;
        }
        if ($pricePerSecond === null || (float)$pricePerSecond <= 0) {
            return self::DEFAULT_VIDEO_CHARGE_POINTS;
        }

        return (int)max(1, round((float)$pricePerSecond * $duration));
    }

    /**
     * 将分辨率归一化为计费档位
     *
     * “超分720p”档对应生成分辨率 480p（任务更新代码会对 480p 直接超分到 720p），
     * 因此 480p / sr_720p / 超分720p 均归一化为 480p 档。
     *
     * @param string $resolution
     * @return string
     */
    private function normalizeResolutionKey(string $resolution): string
    {
        $resolution = strtolower(trim($resolution));
        switch ($resolution) {
            case '4k':
            case '2160p':
            case '4096x2160':
                return '4k';
            case '1080p':
                return '1080p';
            case '720p':
                return '720p';
            case '480p':
                return '480p';
            case 'sr_720p':
            case 'sr720p':
            case '超分720p':
                return '480p';
            case 'sr_1080p':
            case 'sr1080p':
            case '超分1080p':
                return 'sr_1080p';
            default:
                return $resolution;
        }
    }

    /**
     * 获取视频生成任务实际消耗的 token 量
     *
     * 优先从接口返回的 result_json.usage 中读取；
     * 当前视频类接口暂未返回 token 用量，默认返回 0。
     *
     * @param MpGenerateVideoTask $task
     * @return int
     */
    public function getVideoTokensConsumed(MpGenerateVideoTask $task): int
    {
        $resultJson = $task->result_json;
        if (is_string($resultJson)) {
            $resultJson = json_decode($resultJson, true);
        }
        if (!is_array($resultJson)) {
            return 0;
        }

        // zzengine（智帧/统一API）返回格式：
        // data.task.detail.actual_token_total 或 data.task.detail.result.provider_token_total
        // 或 data.task.detail.result.billing_snapshot.token_total
        if ($task->api_type === 'zzengine') {
            $tokens = $resultJson['data']['task']['detail']['actual_token_total']
                ?? $resultJson['data']['task']['detail']['result']['provider_token_total']
                ?? $resultJson['data']['task']['detail']['result']['billing_snapshot']['token_total']
                ?? $resultJson['data']['task']['detail']['result']['billing_snapshot']['token_output']
                ?? 0;
            return (int)$tokens;
        }

        // seedance（豆包视频）返回格式：usage.total_tokens / usage.completion_tokens
        if ($task->api_type === 'seedance') {
            $tokens = $resultJson['usage']['total_tokens']
                ?? $resultJson['usage']['completion_tokens']
                ?? 0;
            return (int)$tokens;
        }

        // kuaikuai（快快AI）返回格式：data.data.usage.total_tokens / completion_tokens
        // result_json 中已保留规范化后的 usage 字段（queryKuaikuaiTaskStatus 同步）
        if ($task->api_type === 'kuaikuai') {
            $tokens = $resultJson['usage']['total_tokens']
                ?? $resultJson['data']['data']['usage']['total_tokens']
                ?? $resultJson['usage']['completion_tokens']
                ?? $resultJson['data']['data']['usage']['completion_tokens']
                ?? 0;
            return (int)$tokens;
        }

        // 其他API：优先从 usage 中读取
        $tokens = $resultJson['usage']['total_tokens']
            ?? $resultJson['usage']['completion_tokens']
            ?? $resultJson['content']['usage']['total_tokens']
            ?? 0;

        return (int)$tokens;
    }

    /**
     * 从接口返回结果中获取实际视频时长（秒）
     *
     * 各 API 返回格式不同，按 api_type 分别解析；
     * 用于 charge_info 中自动时长（-1/0）的任务在成功扣费时回填实际时长。
     *
     * @param MpGenerateVideoTask $task
     * @return int
     */
    public function getActualVideoDuration(MpGenerateVideoTask $task): int
    {
        $resultJson = $task->result_json;
        if (is_string($resultJson)) {
            $resultJson = json_decode($resultJson, true);
        }
        if (!is_array($resultJson)) {
            return 0;
        }

        switch ($task->api_type) {
            case 'zzengine':
                return (int)($resultJson['data']['task']['detail']['duration'] ?? 0);

            case 'jimeng':
                $data = $resultJson['data'] ?? [];
                if (!empty($data['duration'])) {
                    return (int)$data['duration'];
                }
                if (isset($data['frames'], $data['framespersecond']) && (int)$data['framespersecond'] > 0) {
                    return (int)floor((int)$data['frames'] / (int)$data['framespersecond']);
                }
                return 0;

            case 'keling':
                $taskData = $resultJson['data'] ?? [];
                $video = $taskData['task_result']['videos'][0] ?? [];
                if (!empty($video['duration'])) {
                    return (int)$video['duration'];
                }
                if (!empty($taskData['duration'])) {
                    return (int)$taskData['duration'];
                }
                if (isset($video['frames'], $video['framespersecond']) && (int)$video['framespersecond'] > 0) {
                    return (int)floor((int)$video['frames'] / (int)$video['framespersecond']);
                }
                return 0;

            case 'seedance':
            default:
                return (int)($resultJson['duration'] ?? 0);
        }
    }

    /**
     * 获取系统当前全部积分规则（公共方法）
     *
     * - chat：文生文（对话）规则，含全局默认扣分与各文本模型按 model 配置的扣分
     * - image_models：图片模型计费规则（mp_image_models）
     * - video_models：视频模型计费规则（mp_video_models）
     *
     * @return array
     */
    public function getPointsRules(): array
    {
        $textModels = DB::table('mp_text_models')->orderBy('order', 'desc')->orderBy('id', 'desc')->where('is_enabled', 1)->get();
        $imageModels = DB::table('mp_image_models')->orderBy('order', 'desc')->orderBy('id', 'desc')->where('is_enabled', 1)->get();
        $videoModels = DB::table('mp_video_models')->orderBy('order', 'desc')->orderBy('id', 'desc')->where('is_enabled', 1)->get();

        // $textList = [];
        // foreach ($textModels as $row) {
        //     $item = $this->formatModelRule($row);
        //     $item['charge_points'] = $this->getChatChargePoints((string)$row->model);
        //     $textList[] = $item;
        // }

        $textModel = DB::table('mp_text_models')->where('is_enabled', 1)->whereNotNull('price_json')->first();
        $charge_type = 'per_call';
        if ($textModel) {
            $special = $this->getChatChargePoints($textModel->model, 'special');
            $normal  = $this->getChatChargePoints($textModel->model, 'normal');
        } else {
            $special = self::CHAT_CHARGE_POINTS;
            $normal  = self::NORMAL_CHAT_CHARGE_POINTS;
        }

        return [
            'chat' => [
                'charge_type' => $charge_type,
                'price_json' => [
                    'special' => $special,
                    'normal'  => $normal,
                ],
                // 'models' => $textList,
            ],
            'image_models' => array_map([$this, 'formatModelRule'], $imageModels->all()),
            'video_models' => array_map([$this, 'formatModelRule'], $videoModels->all()),
        ];
    }

    /**
     * 将模型表中的计费配置行整理为前端友好结构
     *
     * price_json 统一解析为数组返回（空配置返回空对象）。
     *
     * @param object $row
     * @return array
     */
    private function formatModelRule($row): array
    {
        $priceJson = getProp($row, 'price_json');
        $price = is_string($priceJson) ? json_decode($priceJson, true) : $priceJson;
        if (!is_array($price)) {
            $price = new \stdClass();
        }

        return [
            // 'id' => (int)getProp($row, 'id', 0),
            'model' => (string)getProp($row, 'model', ''),
            'name' => (string)getProp($row, 'name', ''),
            // 'description' => (string)getProp($row, 'description', ''),
            // 'is_enabled' => (int)getProp($row, 'is_enabled', 1),
            // 'order' => (int)getProp($row, 'order', 0),
            'is_multimodal' => (int)getProp($row, 'is_multimodal', 0),
            'charge_type' => (string)getProp($row, 'charge_type', ''),
            'price_json' => $price,
        ];
    }

    /**
     * 更新积分规则（公共方法）
     *
     * 支持三个区块，均可选传，未传区块不处理：
     * - text_rules：文生文（对话）按 model 更新（不传 model 时更新全部模型），charge_type 仅支持 per_call，
     *   price_json 为 {"special": 积分, "normal": 积分}（special=主对话档，normal=其他文生文档）
     * - image_rules：图片按 model 更新，charge_type 仅支持 per_image，price_json 为 {"1k": 积分, "2k": 积分, "4k": 积分}
     * - video_rules：视频按 model 更新，charge_type 支持 per_second / per_call
     *   per_second 的 price_json 为 {"场景": {"分辨率": 单价/秒}}；per_call 的 price_json 为 {"price": 积分}
     *
     * 每条规则至少需传 charge_type 或 price_json 之一；未传的字段保留原值。
     *
     * @param array $params
     * @return array 各区块实际更新的 model 列表
     */
    public function updatePointsRules(array $params): array
    {
        $updated = ['text' => [], 'image' => [], 'video' => []];

        if (isset($params['text_rules']) && is_array($params['text_rules'])) {
            foreach ($params['text_rules'] as $rule) {
                $updated['text'] = array_merge(
                    $updated['text'],
                    $this->updateModelRule('mp_text_models', $rule, ['per_call'], false, true)
                );
            }
        }

        if (isset($params['image_rules']) && is_array($params['image_rules'])) {
            foreach ($params['image_rules'] as $rule) {
                $updated['image'] = array_merge(
                    $updated['image'],
                    $this->updateModelRule('mp_image_models', $rule, ['per_image'], false)
                );
            }
        }

        if (isset($params['video_rules']) && is_array($params['video_rules'])) {
            foreach ($params['video_rules'] as $rule) {
                $updated['video'] = array_merge(
                    $updated['video'],
                    $this->updateModelRule('mp_video_models', $rule, ['per_second', 'per_call'], true)
                );
            }
        }

        return $updated;
    }

    /**
     * 更新单个模型的计费配置
     *
     * @param string $table 模型表名
     * @param array  $rule  规则（model / charge_type / price_json）
     * @param array  $chargeTypes 允许的计费方式
     * @param bool   $nestedPrice 是否允许嵌套价格结构（视频按场景+分辨率）
     * @param bool   $allowAll 是否允许不传 model 时更新该表全部模型（仅文生文使用）
     * @return array 实际更新的 model 列表
     */
    private function updateModelRule(string $table, array $rule, array $chargeTypes, bool $nestedPrice, bool $allowAll = false): array
    {
        $model = trim((string)getProp($rule, 'model', ''));
        if ($model === '' && !$allowAll) {
            Utils::throwError('1002:规则缺少model参数');
        }

        $data = [];

        if (array_key_exists('charge_type', $rule)) {
            $chargeType = (string)getProp($rule, 'charge_type', '');
            if (!in_array($chargeType, $chargeTypes, true)) {
                Utils::throwError('1002:' . $table . '计费方式不合法：' . $chargeType);
            }
            $data['charge_type'] = $chargeType;
        }

        if (array_key_exists('price_json', $rule)) {
            $price = getProp($rule, 'price_json', null);
            $priceArr = $nestedPrice
                ? $this->normalizeNestedPrice($price)
                : $this->normalizeFlatPrice($price);
            $data['price_json'] = json_encode($priceArr, JSON_UNESCAPED_UNICODE);
        }

        if (empty($data)) {
            Utils::throwError('1002:' . $table . '规则请至少传入charge_type或price_json');
        }

        if ($model !== '') {
            if (!DB::table($table)->where('model', $model)->exists()) {
                Utils::throwError('1002:模型不存在：' . $model);
            }
            DB::table($table)->where('model', $model)->update($data);
            return [$model];
        }

        // 未传 model（仅文生文支持）：更新该表全部模型
        $allModels = DB::table($table)->pluck('model')->all();
        if (empty($allModels)) {
            Utils::throwError('1002:' . $table . '没有可更新的模型');
        }
        DB::table($table)->update($data);

        return $allModels;
    }

    /**
     * 校验并归一化一层价格结构（文生文/图片）
     *
     * 所有 key 对应的值必须为不小于 0 的数字；支持传入对象或 JSON 字符串。
     *
     * @param mixed $price
     * @return array
     */
    private function normalizeFlatPrice($price): array
    {
        $priceArr = is_string($price) ? json_decode($price, true) : $price;
        if (!is_array($priceArr) || empty($priceArr)) {
            Utils::throwError('1002:price格式不正确');
        }

        $result = [];
        foreach ($priceArr as $key => $value) {
            if (!is_numeric($value) || (float)$value < 0) {
                Utils::throwError('1002:price.' . $key . '必须为不小于0的数字');
            }
            $result[(string)$key] = (float)$value;
        }

        return $result;
    }

    /**
     * 校验并归一化嵌套价格结构（视频按场景+分辨率）
     *
     * 支持如 {"video_generation": {"720p": 10, "1080p": 25}} 或 {"price": 5}。
     *
     * @param mixed $price
     * @return array
     */
    private function normalizeNestedPrice($price): array
    {
        $priceArr = is_string($price) ? json_decode($price, true) : $price;
        if (!is_array($priceArr) || empty($priceArr)) {
            Utils::throwError('1002:price格式不正确');
        }

        $result = [];
        foreach ($priceArr as $key => $value) {
            if (is_array($value)) {
                $result[(string)$key] = $this->normalizeFlatPrice($value);
            } elseif (is_numeric($value) && (float)$value >= 0) {
                $result[(string)$key] = (float)$value;
            } else {
                Utils::throwError('1002:price.' . $key . '必须为不小于0的数字或对象');
            }
        }

        return $result;
    }

    /**
     * 获取用户积分流水
     *
     * @param array $params uid/type/start_date/end_date/page_size
     * @return array
     */
    public function getUserPointsRecords(array $params = []): array
    {
        $pageSize = (int)getProp($params, 'page_size', 15);
        if ($pageSize < 1 || $pageSize > 100) {
            $pageSize = 15;
        }

        // 基础查询（权限 + 筛选条件），records 与 summary 共用，保证汇总随筛选条件变化
        [$base, $uid] = $this->buildPointsRecordsQuery($params);

        $records = (clone $base)->orderBy('d.created_at', 'desc')
            ->orderBy('d.id', 'desc')
            ->paginate($pageSize);

        // 汇总统计：随筛选条件变化；除 total_points_consumed 外，均排除带 test_mode 标记的测试记录
        $excludeTestRecords = function ($query) {
            $query->whereNull('d.charge_info')
                ->orWhereNull('d.charge_info->test_mode')
                ->orWhere('d.charge_info->test_mode', '!=', 'true');
        };

        // points_balance 始终为当前登录用户自己的余额，与查询目标无关
        $loginUid = (int)Site::getUid();
        $user = $loginUid ? DB::table('mp_manage_users')->where('id', $loginUid)->where('is_deleted', 0)->first() : null;
        $summary = [
            'points_balance' => (int)getProp($user, 'points', 0),
            // 消耗积分（不排除测试数据，全量口径）
            'total_points_consumed' => (int)(clone $base)
                ->where('d.points_consumed', '>', 0)
                ->sum('d.points_consumed'),
            // 消耗积分（排除测试数据）
            'total_points_consumed_filter_test' => (int)(clone $base)
                ->where('d.points_consumed', '>', 0)
                ->where($excludeTestRecords)
                ->sum('d.points_consumed'),
            'total_points_refunded' => (int)(clone $base)
                ->where('d.points_consumed', '<', 0)
                ->whereNotIn('d.type', [MpUserPointsDetail::TYPE_SYSTEM, MpUserPointsDetail::TYPE_COMPANY])
                ->sum('d.points_consumed'),
            'total_points_granted' => (int)abs((clone $base)
                ->whereIn('d.type', [MpUserPointsDetail::TYPE_SYSTEM, MpUserPointsDetail::TYPE_COMPANY])
                ->where('d.points_consumed', '<', 0)
                ->sum('d.points_consumed')),
            // 消耗 token（不排除测试数据，全量口径）
            'total_tokens_consumed' => (int)(clone $base)
                ->sum('d.tokens_consumed'),
            // 消耗 token（排除测试数据）
            'total_tokens_consumed_filter_test' => (int)(clone $base)
                ->where($excludeTestRecords)
                ->sum('d.tokens_consumed'),
            'total_count' => (int)(clone $base)
                ->count('d.id'),
            'total_count_filter_test' => (int)(clone $base)
                ->where($excludeTestRecords)
                ->count('d.id'),
        ];

        return [
            'summary' => $summary,
            'records' => $records,
        ];
    }

    /**
     * 导出积分明细 CSV（与列表筛选条件一致：uid/type/start_date/end_date）
     *
     * 列：类型、模型、积分变动、变动前、变动后、Token、备注、创建时间
     * 末尾追加总计行：累计消耗积分 / 累计返还积分（基于筛选后的数据）
     *
     * @param array $params
     * @return void
     */
    public function exportPointsRecords(array $params): void
    {
        // 权限与筛选条件与列表一致
        [$base] = $this->buildPointsRecordsQuery($params);
        $startDate = (string)getProp($params, 'start_date', '');
        $endDate = (string)getProp($params, 'end_date', '');

        $rows = (clone $base)->orderBy('d.created_at', 'desc')
            ->orderBy('d.id', 'desc')
            ->get();

        $headers = ['账号', '类型', '模型', '积分变动', '变动前', '变动后', 'Token', '备注', '创建时间'];
        $csvRows = [];
        $totalConsumed = 0;
        $totalRefunded = 0;

        foreach ($rows as $row) {
            $chargeInfo = getProp($row, 'charge_info');
            if (is_string($chargeInfo)) {
                $chargeInfo = json_decode($chargeInfo, true);
            }
            $chargeInfo = is_array($chargeInfo) ? $chargeInfo : [];

            $typeCode = (string)getProp($row, 'type', '');
            $pointsConsumed = (float)getProp($row, 'points_consumed', 0);
            if ($pointsConsumed > 0) {
                $pointsChange = '-' . $pointsConsumed;
                $totalConsumed += $pointsConsumed;
            } elseif ($pointsConsumed < 0) {
                $pointsChange = '+' . abs($pointsConsumed);
                // 返还 = 非发放（system/company）的负值记录，即退款类
                if (!in_array($typeCode, [MpUserPointsDetail::TYPE_SYSTEM, MpUserPointsDetail::TYPE_COMPANY], true)) {
                    $totalRefunded += abs($pointsConsumed);
                }
            } else {
                $pointsChange = '0';
            }

            $csvRows[] = [
                (string)getProp($row, 'account', ''),
                PointsTransformer::TYPE_LABELS[$typeCode] ?? $typeCode,
                (string)getProp($chargeInfo, 'model', ''),
                $pointsChange,
                (string)(float)getProp($row, 'points_before', 0),
                (string)(float)getProp($row, 'points_after', 0),
                (string)(int)getProp($row, 'tokens_consumed', 0),
                (string)getProp($row, 'remark', ''),
                (string)transDate(getProp($row, 'created_at')),
            ];
        }

        // 总计（最后一行单行展示）
        $csvRows[] = ['总计', '', '', '', '', '', '', '累计消耗积分：' . (int)$totalConsumed . '；累计返还积分：' . (int)$totalRefunded, ''];

        $start = $startDate ?: date('Y-m-d');
        $end = $endDate ?: date('Y-m-d');
        exportCsv('points_records_' . str_replace('-', '', $start) . '_' . str_replace('-', '', $end), $headers, $csvRows);
    }

    /**
     * 当前角色可查看的积分明细范围：superadmin 全部；admin 本组织；user 仅自己；其他抛错。
     *
     * @return array ['cpid' => int 组织限定(0 不限定), 'uid' => int 用户限定(0 不限定)]
     */
    private function assertCanViewPoints(): array
    {
        $role = (string)Site::getRole();
        if ($role === 'superadmin') {
            return ['cpid' => 0, 'uid' => 0];
        }
        if ($role === 'admin') {
            return ['cpid' => (int)Site::getCpid(), 'uid' => 0];
        }
        if ($role === 'user') {
            return ['cpid' => (int)Site::getCpid(), 'uid' => (int)Site::getUid()];
        }
        Utils::throwError('1005:无权查看积分明细');
    }

    /**
     * 构建积分明细查询（权限范围 + uid/type/日期/nickname 筛选）。
     *
     * @param array $params
     * @return array [查询构建器, 生效的 uid（0 表示多用户视角）]
     */
    private function buildPointsRecordsQuery(array $params): array
    {
        $scope = $this->assertCanViewPoints();

        $uid = (int)getProp($params, 'uid', 0);
        $nickname = trim((string)getProp($params, 'nickname', ''));

        // 普通用户仅能查看自己，忽略传入的 uid/nickname 筛选
        if ($scope['uid'] > 0) {
            $uid = $scope['uid'];
        } elseif ($scope['cpid'] > 0 && !$uid && $nickname === '') {
            // 管理员默认查看自己的记录；传了 uid 或 nickname 时按对应条件查组内
            $uid = (int)Site::getUid();
        }

        $base = MpUserPointsDetail::from('mp_user_points_details as d')
            ->leftJoin('mp_manage_users as u', 'u.id', '=', 'd.uid')
            ->select('d.*', 'u.account');

        if ($uid) {
            $base->where('d.uid', $uid);
        }
        // 组织范围以用户表当前所属组织为准（与 token 统计口径一致）
        if ($scope['cpid'] > 0) {
            $base->where('u.cpid', $scope['cpid']);
        }

        // 昵称/账号模糊搜索（与 token 统计一致）；普通用户仅查自己，忽略 nickname 避免异常传参查不到数据
        if ($nickname !== '' && $scope['uid'] <= 0) {
            $base->where(function ($q) use ($nickname) {
                $q->where('u.nickname', 'like', '%' . $nickname . '%')
                    ->orWhere('u.account', 'like', '%' . $nickname . '%');
            });
        }

        $type = getProp($params, 'type', '');
        if ($type) {
            $base->where('d.type', $type);
        }

        $startDate = getProp($params, 'start_date', '');
        if ($startDate) {
            $base->where('d.created_at', '>=', $startDate . ' 00:00:00');
        }

        $endDate = getProp($params, 'end_date', '');
        if ($endDate) {
            $base->where('d.created_at', '<=', $endDate . ' 23:59:59');
        }

        return [$base, $uid];
    }

    /**
     * 发放/回收积分（公共方法）
     *
     * 权限规则：
     * - superadmin（平台）：仅可对 role=admin（组织）操作，明细 type=system
     * - admin（组织）：仅可对同 cpid 的 role=user（组员）操作，明细 type=company
     * - 其他角色不允许操作
     *
     * action=grant（发放，默认）：目标用户积分增加，points_consumed 记负值（积分流入）
     * action=revoke（回收）：目标用户积分减少，需校验目标积分充足（只针对组织/组员角色），points_consumed 记正值（积分流出）
     *
     * @param array $params uid（目标用户ID，支持多个ID用英文逗号隔开，如 "142857,142858"）/ points（积分数，正整数）/ action（grant|revoke，默认 grant）/ remark（可选文案）
     * @return array
     */
    public function grantPoints(array $params): array
    {
        $uidRaw = trim((string)getProp($params, 'uid', ''));
        $points = (float)getProp($params, 'points', 0);
        $action = (string)getProp($params, 'action', 'grant');
        $remark = trim((string)getProp($params, 'remark', ''));

        // 解析 uid：单个ID或多个ID（英文逗号隔开），自动去重、忽略空白
        $uids = array_values(array_unique(array_filter(array_map(function ($v) {
            return (int)trim((string)$v);
        }, explode(',', $uidRaw)), function ($v) {
            return $v > 0;
        })));
        if (empty($uids)) {
            Utils::throwError('1002:请传入目标用户uid');
        }

        $this->validatePoints($points);
        $this->validateAction($action);

        // 单用户：保持原有返回结构
        if (count($uids) === 1) {
            try {
                DB::beginTransaction();
                $result = $this->applyPointsChange($uids[0], $points, $action, $remark);
                DB::commit();
                return $result;
            } catch (\Exception $e) {
                DB::rollBack();
                throw $e;
            }
        }

        // 多用户：先对全部目标校验（只读，不写库），任一失败整体拒绝；再单事务统一写库，保证原子性
        foreach ($uids as $uid) {
            $this->buildGrantContext($uid, $action, $points);
        }
        try {
            DB::beginTransaction();
            $results = [];
            foreach ($uids as $uid) {
                $results[] = $this->applyPointsChange($uid, $points, $action, $remark);
            }
            DB::commit();
        } catch (\Exception $e) {
            DB::rollBack();
            throw $e;
        }

        dLog('points')->info('积分批量操作成功', [
            'action' => $action,
            'count' => count($uids),
            'points' => $points,
        ]);

        return [
            'action' => $action,
            'points' => $points,
            'success_count' => count($results),
            'results' => $results,
        ];
    }

    /**
     * 校验积分数（正整数）
     *
     * @param float $points
     * @return void
     */
    private function validatePoints(float $points): void
    {
        if ($points <= 0) {
            Utils::throwError('1002:积分数必须大于0');
        }
        if (floor($points) != $points) {
            Utils::throwError('1002:积分数必须为整数');
        }
    }

    /**
     * 校验操作类型
     *
     * @param string $action
     * @return void
     */
    private function validateAction(string $action): void
    {
        if (!in_array($action, ['grant', 'revoke'], true)) {
            Utils::throwError('1002:action仅支持grant（发放）或revoke（回收）');
        }
    }

    /**
     * 校验并构建单用户积分操作上下文（只读）
     *
     * 校验当前操作者角色、目标用户存在/启用、目标角色与公司归属；
     * 回收时额外校验目标用户积分充足；管理员发放时额外校验管理员自身可用积分充足。
     *
     * @param int    $targetUid
     * @param string $action
     * @param float  $points
     * @return array
     */
    private function buildGrantContext(int $targetUid, string $action, float $points): array
    {
        $fromUid = (int)Site::getUid();
        if ($fromUid <= 0) {
            Utils::throwError(ErrorConst::NOT_LOGIN);
        }
        $fromRole = (string)Site::getRole();
        $fromUser = DB::table('mp_manage_users')->where('id', $fromUid)->where('is_deleted', 0)->first();
        if (!$fromUser) {
            Utils::throwError(ErrorConst::USER_IS_NOT_EXIST);
        }

        $targetUser = DB::table('mp_manage_users')->where('id', $targetUid)->where('is_deleted', 0)->first();
        if (!$targetUser) {
            Utils::throwError('20003:目标用户不存在');
        }
        if ((int)getProp($targetUser, 'is_enabled', 1) === 0) {
            Utils::throwError('20003:目标用户已被禁用');
        }

        $targetRole = (string)getProp($targetUser, 'role', '');
        $targetCpid = (int)getProp($targetUser, 'cpid', 0);
        $verb = $action === 'revoke' ? '回收' : '发放';

        // 角色与操作对象校验
        if ($fromRole === 'superadmin') {
            if ($targetRole !== 'admin') {
                Utils::throwError('1005:平台仅可给组织' . $verb . '积分');
            }
            $type = MpUserPointsDetail::TYPE_SYSTEM;
            $defaultRemark = $action === 'revoke' ? '平台回收积分' : '平台发放积分';
        } elseif ($fromRole === 'admin') {
            if ($targetRole !== 'user') {
                Utils::throwError('1005:组织仅可给同公司的组员' . $verb . '积分');
            }
            if ($targetCpid !== (int)Site::getCpid()) {
                Utils::throwError('1005:只能给同一公司的组员' . $verb . '积分');
            }
            $type = MpUserPointsDetail::TYPE_COMPANY;
            $defaultRemark = $action === 'revoke' ? '组织回收积分' : '组织发放积分';
        } else {
            Utils::throwError('1005:当前角色无权操作积分');
        }

        // 回收时校验目标积分充足（目标只能是组织/组员角色，超管不在操作范围内，无需判断）
        if ($action === 'revoke') {
            $balance = (float)getProp($targetUser, 'points', 0);
            if ($balance < $points) {
                Utils::throwError('1002:目标用户积分不足，无法回收');
            }
        }

        // 管理员发放：积分从管理员自身扣减转移给组员，需校验管理员可用积分充足（平台发放不校验）
        if ($fromRole === 'admin' && $action === 'grant') {
            $operatorBalance = (float)getProp($fromUser, 'points', 0);
            if ($operatorBalance < $points) {
                Utils::throwError('1002:可用积分不足，无法发放');
            }
        }

        return [
            'from_uid' => $fromUid,
            'from_role' => $fromRole,
            'from_cpid' => (int)getProp($fromUser, 'cpid', 0),
            'from_user' => $fromUser,
            'target_user' => $targetUser,
            'target_role' => $targetRole,
            'target_cpid' => $targetCpid,
            'target_uid' => $targetUid,
            'type' => $type,
            'default_remark' => $defaultRemark,
        ];
    }

    /**
     * 对单个用户执行积分变动并写入明细（须在事务内调用）
     *
     * @param int    $targetUid
     * @param float  $points
     * @param string $action grant|revoke
     * @param string $remark
     * @return array
     */
    private function applyPointsChange(int $targetUid, float $points, string $action, string $remark): array
    {
        $ctx = $this->buildGrantContext($targetUid, $action, $points);

        $finalRemark = $remark !== '' ? $ctx['default_remark'] . '：' . $remark : $ctx['default_remark'];
        $chargeInfo = [
            'from_uid' => $ctx['from_uid'],
            'from_role' => $ctx['from_role'],
            'target_uid' => $targetUid,
            'target_role' => $ctx['target_role'],
            'target_cpid' => $ctx['target_cpid'],
            'grant_type' => $ctx['type'],
            'action' => $action,
        ];

        $pointsBefore = (float)getProp($ctx['target_user'], 'points', 0);
        $delta = $action === 'revoke' ? -$points : $points;
        $pointsAfter = $pointsBefore + $delta;

        $now = date('Y-m-d H:i:s');
        $operatorAfter = null;

        // 原子更新余额，避免并发覆盖；COALESCE 处理余额为 NULL 的用户（NULL ± X 在 MySQL 中仍为 NULL）
        if ($ctx['from_role'] === 'admin') {
            // 转移模式：积分在管理员与组员之间流转，整体数额不变
            $operatorBefore = (float)getProp($ctx['from_user'], 'points', 0);
            if ($action === 'revoke') {
                // 组员扣减（带余额条件），管理员增加
                $affected = DB::table('mp_manage_users')
                    ->where('id', $targetUid)
                    ->whereRaw('COALESCE(points, 0) >= ?', [(float)$points])
                    ->update([
                        'points' => DB::raw('COALESCE(points, 0) - ' . (float)$points),
                        'updated_at' => $now,
                    ]);
                if ($affected === 0) {
                    Utils::throwError('1002:目标用户积分不足，无法回收');
                }
                DB::table('mp_manage_users')->where('id', $ctx['from_uid'])->update([
                    'points' => DB::raw('COALESCE(points, 0) + ' . (float)$points),
                    'updated_at' => $now,
                ]);
                $operatorDelta = $points;
            } else {
                // 管理员扣减（带余额条件，防止并发超发），组员增加
                $affected = DB::table('mp_manage_users')
                    ->where('id', $ctx['from_uid'])
                    ->whereRaw('COALESCE(points, 0) >= ?', [(float)$points])
                    ->update([
                        'points' => DB::raw('COALESCE(points, 0) - ' . (float)$points),
                        'updated_at' => $now,
                    ]);
                if ($affected === 0) {
                    Utils::throwError('1002:可用积分不足，无法发放');
                }
                DB::table('mp_manage_users')->where('id', $targetUid)->update([
                    'points' => DB::raw('COALESCE(points, 0) + ' . (float)$points),
                    'updated_at' => $now,
                ]);
                $operatorDelta = -$points;
            }
            $operatorAfter = $operatorBefore + $operatorDelta;

            // 管理员侧明细（方向与组员相反）：发放记支出（正），回收记收入（负）
            DB::table('mp_user_points_details')->insert([
                'uid' => $ctx['from_uid'],
                'cpid' => $ctx['from_cpid'],
                'task_id' => null,
                'type' => $ctx['type'],
                'api_type' => $action === 'revoke' ? 'revoke' : 'grant',
                'charge_info' => json_encode($chargeInfo, JSON_UNESCAPED_UNICODE),
                'points_before' => $operatorBefore,
                'points_consumed' => -$operatorDelta,
                'points_after' => $operatorAfter,
                'tokens_consumed' => 0,
                'remark' => $finalRemark,
                'created_at' => $now,
                'updated_at' => $now,
            ]);
        } elseif ($action === 'revoke') {
            // 平台回收：目标（组织）扣减，带余额条件
            $affected = DB::table('mp_manage_users')
                ->where('id', $targetUid)
                ->whereRaw('COALESCE(points, 0) >= ?', [(float)$points])
                ->update([
                    'points' => DB::raw('COALESCE(points, 0) - ' . (float)$points),
                    'updated_at' => $now,
                ]);
            if ($affected === 0) {
                Utils::throwError('1002:目标用户积分不足，无法回收');
            }
        } else {
            // 平台发放：目标（组织）增加（平台为积分源头，不校验平台余额）
            DB::table('mp_manage_users')->where('id', $targetUid)->update([
                'points' => DB::raw('COALESCE(points, 0) + ' . (float)$points),
                'updated_at' => $now,
            ]);
        }

        // 目标侧明细：发放 points_consumed 记负值（流入），回收记正值（流出）
        DB::table('mp_user_points_details')->insert([
            'uid' => $targetUid,
            'cpid' => $ctx['target_cpid'],
            'task_id' => null,
            'type' => $ctx['type'],
            'api_type' => $action === 'revoke' ? 'revoke' : 'grant',
            'charge_info' => json_encode($chargeInfo, JSON_UNESCAPED_UNICODE),
            'points_before' => $pointsBefore,
            'points_consumed' => -$delta,
            'points_after' => $pointsAfter,
            'tokens_consumed' => 0,
            'remark' => $finalRemark,
            'created_at' => $now,
            'updated_at' => $now,
        ]);

        $result = [
            'uid' => $targetUid,
            'success' => true,
            'action' => $action,
            'type' => $ctx['type'],
            'points' => $points,
            'points_before' => $pointsBefore,
            'points_after' => $pointsAfter,
            'remark' => $finalRemark,
        ];
        if ($operatorAfter !== null) {
            $result['operator_uid'] = $ctx['from_uid'];
            $result['operator_points_before'] = $operatorBefore;
            $result['operator_points_after'] = $operatorAfter;
        }

        return $result;
    }

    /**
     * 获取可发放积分的用户列表（公共方法）
     *
     * 同一接口按当前角色返回不同列表：
     * - superadmin（平台）：所有组织（role=admin）
     * - admin（组织）：同 cpid 的组员（role=user）
     * - 其他角色不允许查看
     *
     * @return array
     */
    public function getGrantUserList(): array
    {
        $role = (string)Site::getRole();

        $query = DB::table('mp_manage_users')->where('is_enabled', 1)->where('is_deleted', 0);
        if ($role === 'superadmin') {
            $query->where('role', 'admin');
        } elseif ($role === 'admin') {
            $query->where('role', 'user')->where('cpid', (int)Site::getCpid());
        } else {
            Utils::throwError('1005:当前角色无权查看发放列表');
        }

        $users = $query->orderBy('cpid', 'asc')->orderBy('id', 'asc')
            ->get(['id', 'account', 'nickname', 'role', 'cpid', 'points', 'is_enabled'])
            ->map(function ($user) {
                return [
                    'id' => (int)getProp($user, 'id', 0),
                    'account' => (string)getProp($user, 'account', ''),
                    'nickname' => (string)getProp($user, 'nickname', ''),
                    // 'role' => (string)getProp($user, 'role', ''),
                    // 'cpid' => (int)getProp($user, 'cpid', 0),
                    'points' => (float)getProp($user, 'points', 0),
                    // 'is_enabled' => (int)getProp($user, 'is_enabled', 1),
                ];
            })->all();

        return $users;
    }

    /**
     * 获取用户当前积分余额
     *
     * @param int $uid 用户ID，缺省取当前登录用户
     * @return float
     */
    public function getUserPointsBalance(int $uid = 0): float
    {
        if (!$uid) {
            $uid = (int)Site::getUid();
        }
        if (!$uid) {
            Utils::throwError(ErrorConst::NOT_LOGIN);
        }

        $user = DB::table('mp_manage_users')->where('id', $uid)->where('is_deleted', 0)->first();
        if (!$user) {
            Utils::throwError(ErrorConst::USER_IS_NOT_EXIST);
        }

        return (float)getProp($user, 'points', 0);
    }

    /**
     * 余额预检（公共方法）
     *
     * 计算视频/其他业务所需积分数后，在创建任务前调用；
     * 积分不足时直接抛错（20009:积分不足），业务方无需自行处理。
     *
     * @param float|int $pointsNeeded 需要扣除的积分数
     * @param int $uid 用户ID，缺省取当前登录用户
     * @return void
     */
    public function checkUserPointsEnough($pointsNeeded, int $uid = 0): void
    {
        $pointsNeeded = (float)$pointsNeeded;
        if ($pointsNeeded <= 0) {
            return;
        }

        // 测试用户（TEST_CPID / TEST_UID 白名单）跳过余额预检：只记录明细，不实际扣费
        if ($this->isTestUser($uid)) {
            return;
        }

        $balance = $this->getUserPointsBalance($uid);
        if ($balance < $pointsNeeded) {
            Utils::throwError(ErrorConst::POINTS_NOT_ENOUGH);
        }
    }

    /**
     * 判断是否为测试用户（TEST_CPID / TEST_UID 白名单）
     *
     * TEST_CPID / TEST_UID 在 .env 中为英文逗号分隔的纯字符串（如 "1"、"142857,142858"），
     * 读取后先转换为数组再判断。uid 命中 TEST_UID 或 cpid 命中 TEST_CPID（任一命中）即视为测试用户：
     * 预检不再校验余额，扣费只记录明细、不实际扣减积分。
     *
     * @param int $uid 用户ID，缺省取当前登录用户
     * @param int $cpid 公司ID，缺省取当前上下文公司ID
     * @return bool
     */
    public function isTestUser(int $uid = 0, int $cpid = 0): bool
    {
        if (!$uid) {
            $uid = (int)Site::getUid();
        }
        if (!$cpid) {
            $cpid = (int)Site::getCpid();
        }

        $testUids = $this->parseEnvList(env('TEST_UID'));
        $testCpids = $this->parseEnvList(env('TEST_CPID'));

        if (!empty($testUids) && in_array((string)$uid, $testUids, true)) {
            return true;
        }

        if (!empty($testCpids) && in_array((string)$cpid, $testCpids, true)) {
            return true;
        }

        return false;
    }

    /**
     * 将 env 中英文逗号分隔的字符串转换为数组
     *
     * @param mixed $value
     * @return array
     */
    private function parseEnvList($value): array
    {
        if ($value === null || $value === '') {
            return [];
        }

        $items = array_map('trim', explode(',', (string)$value));

        return array_values(array_filter($items, function ($item) {
            return $item !== '';
        }));
    }

    /**
     * 视频生成成功后记录计费明细并扣减用户积分
     *
     * 幂等处理：同一任务只允许计费一次（type + task_id 唯一索引兜底）。
     *
     * @param MpGenerateVideoTask $task
     * @return array
     */
    public function recordVideoTaskCharge(MpGenerateVideoTask $task): array
    {
        // 重复计费保护
        $exists = DB::table('mp_user_points_details')
            ->where('type', MpUserPointsDetail::TYPE_VIDEO)
            ->where('task_id', $task->id)
            ->exists();
        if ($exists) {
            return ['charged' => false, 'reason' => 'already_charged', 'task_id' => $task->id];
        }

        $chargeInfo = $task->charge_info;
        if (is_string($chargeInfo)) {
            $chargeInfo = json_decode($chargeInfo, true);
        }
        if (!is_array($chargeInfo) || empty($chargeInfo['user_id'])) {
            dLog('points')->warning('视频任务缺少计费信息，跳过扣费', ['task_id' => $task->id]);
            return ['charged' => false, 'reason' => 'no_charge_info', 'task_id' => $task->id];
        }

        // 自动时长（-1/0）时，用接口返回的实际时长回填计费信息
        $requestedDuration = (int)($chargeInfo['video_duration'] ?? -1);
        $actualDuration = $this->getActualVideoDuration($task);
        $durationBackfilled = $requestedDuration <= 0 && $actualDuration > 0;
        if ($durationBackfilled) {
            $chargeInfo['video_duration'] = $actualDuration;
        }

        $uid = (int)$chargeInfo['user_id'];
        $points = (float)$this->getVideoChargePoints($chargeInfo);
        $tokens = $this->getVideoTokensConsumed($task);

        $result = $this->deductAndRecord(
            $uid,
            $task->id,
            MpUserPointsDetail::TYPE_VIDEO,
            (string)getProp($task, 'api_type', ''),
            $points,
            $tokens,
            $chargeInfo,
            ''
        );

        // 自动时长被实际时长覆盖时，计费成功后同步回填任务表的 charge_info
        if ($durationBackfilled && !empty($result['charged'])) {
            $task->update(['charge_info' => $chargeInfo]);
        }

        return $result;
    }

    /**
     * 获取图片生成单张应扣积分数
     *
     * 从 mp_image_models 表读取（charge_type=per_image），按分辨率档位（1k/2k/4k）取单张积分。
     *
     * @param array $chargeInfo 计费信息（model、resolution、width、height 等）
     * @return int
     */
    public function getImageChargePoints(array $chargeInfo = []): int
    {
        $model = (string)getProp($chargeInfo, 'model', '');
        $resolution = strtolower((string)getProp($chargeInfo, 'resolution', '2k'));

        $modelRow = DB::table('mp_image_models')->where('model', $model)->first();
        if (!$modelRow || ($modelRow->charge_type ?? '') !== 'per_image') {
            return self::DEFAULT_VIDEO_CHARGE_POINTS;
        }

        $priceJson = $modelRow->price_json;
        $prices = is_string($priceJson) ? json_decode($priceJson, true) : $priceJson;
        if (!is_array($prices) || empty($prices)) {
            return self::DEFAULT_VIDEO_CHARGE_POINTS;
        }

        $price = $prices[$resolution] ?? null;
        if ($price === null || (float)$price <= 0) {
            return self::DEFAULT_VIDEO_CHARGE_POINTS;
        }

        return (int)max(1, round((float)$price));
    }

    /**
     * 根据图片宽高归一化分辨率档位（1k/2k/4k）
     *
     * 按宽高乘积（面积）分档更准确：各档面积几乎成平方关系——
     * 1k≈1MP（1024x1024）、2k≈4MP（2048x2048、1600x2848）、3k≈9MP（3072x3072、4096x2304）、4k≈16MP（4096x4096）。
     * 目前没有 3k 计费档，3k 尺寸直接按 4k 计费。
     *
     * @param int $width
     * @param int $height
     * @return string
     */
    public function normalizeImageResolutionKey(int $width, int $height): string
    {
        if ($width <= 0 || $height <= 0) {
            return '2k';
        }

        // 面积分档：<2MP 视为 1k；2MP~6MP 视为 2k；≥6MP（含3k/4k尺寸）按 4k 计费
        $area = $width * $height;
        if ($area < 2048 * 1024) {
            return '1k';
        }
        if ($area < 2048 * 3072) {
            return '2k';
        }
        return '4k';
    }

    /**
     * 获取图片生成任务实际消耗的 token 量
     *
     * 图片接口返回格式：result_json.usage.total_tokens / output_tokens
     *
     * @param MpGeneratePicTask $task
     * @return int
     */
    public function getImageTokensConsumed(MpGeneratePicTask $task): int
    {
        $resultJson = $task->result_json;
        if (is_string($resultJson)) {
            $resultJson = json_decode($resultJson, true);
        }
        if (!is_array($resultJson)) {
            return 0;
        }

        $tokens = $resultJson['usage']['total_tokens'] ?? $resultJson['usage']['output_tokens'] ?? 0;
        return (int)$tokens;
    }

    /**
     * 从 AI 对话接口返回的 usage 中提取消耗的 token 数
     *
     * DeepSeek/OpenAI 格式：usage.total_tokens / usage.completion_tokens
     * Gemini 格式：usageMetadata.totalTokenCount（含思考 token），缺省时按 prompt + candidates 合计
     *
     * @param mixed $usage
     * @return int
     */
    public function getTokensFromUsage($usage): int
    {
        if (is_string($usage)) {
            $usage = json_decode($usage, true);
        }
        if (!is_array($usage)) {
            return 0;
        }

        $tokens = $usage['total_tokens']
            ?? $usage['completion_tokens']
            ?? $usage['totalTokenCount']
            ?? (
                isset($usage['promptTokenCount']) || isset($usage['candidatesTokenCount'])
                ? (int)($usage['promptTokenCount'] ?? 0)
                    + (int)($usage['candidatesTokenCount'] ?? 0)
                    + (int)($usage['thoughtsTokenCount'] ?? 0)
                : 0
            );
        return (int)$tokens;
    }

    /**
     * AI对话调用成功后记录计费明细并扣减用户积分
     *
     * 无对应任务表，task_id 为 NULL（(type, task_id) 唯一索引下多个 NULL 互不冲突）。
     *
     * @param int $uid
     * @param int $points
     * @param int $tokens
     * @param array $chargeInfo
     * @param string $remark 特殊备注（默认空，测试用户由内部追加[测试]仅记账不扣费）
     * @param string $apiType
     * @return array
     */
    public function recordChatCharge(int $uid, int $points, int $tokens, array $chargeInfo = [], string $remark = '', string $apiType = 'deepseek'): array
    {
        return $this->deductAndRecord(
            $uid,
            null,
            MpUserPointsDetail::TYPE_CHAT,
            $apiType,
            (float)$points,
            $tokens,
            $chargeInfo,
            $remark
        );
    }

    /**
     * 仅记录 token 使用明细，不扣减积分、不写积分消耗
     *
     * 用于不按积分计费的文生文接口（免费/不扣积分场景），复用 mp_user_points_details 表：
     * points_consumed=0，仅填写 tokens_consumed，保证累计 token 统计口径一致。
     * uid<=0（无登录上下文）或 tokens<=0 时不落库。
     *
     * @param int $uid 用户ID
     * @param int $tokens 消耗 token 数
     * @param array $chargeInfo 计费/来源信息（model、source 等）
     * @param string $type 明细类型（默认 chat）
     * @param string $apiType API 类型/模型标识
     * @param string $remark 备注
     * @return bool 是否落库成功
     */
    public function recordTokenOnlyDetail(int $uid, int $tokens, array $chargeInfo = [], string $type = MpUserPointsDetail::TYPE_CHAT, string $apiType = '', string $remark = ''): bool
    {
        if ($uid <= 0 || $tokens <= 0) {
            return false;
        }

        try {
            $user = DB::table('mp_manage_users')->where('id', $uid)->where('is_deleted', 0)->first();
            $cpid = (int)getProp($user, 'cpid', 0);
            $pointsBalance = (float)getProp($user, 'points', 0);

            // 测试用户标记：保证统计排除口径与扣费明细一致
            $isTestUser = $this->isTestUser($uid, $cpid);
            if ($isTestUser) {
                $chargeInfo['test_mode'] = true;
                $remark = trim(($remark ? $remark . '；' : '') . '[测试]仅记账不扣费');
            }

            DB::table('mp_user_points_details')->insert([
                'uid' => $uid,
                'cpid' => $cpid,
                'task_id' => null,
                'type' => $type,
                'api_type' => $apiType,
                'charge_info' => json_encode($chargeInfo, JSON_UNESCAPED_UNICODE),
                'points_consumed' => 0,
                'points_before' => $pointsBalance,
                'points_after' => $pointsBalance,
                'tokens_consumed' => $tokens,
                'remark' => $remark,
                'created_at' => date('Y-m-d H:i:s'),
                'updated_at' => date('Y-m-d H:i:s')
            ]);

            dLog('points')->info('token明细记录成功', [
                'uid' => $uid,
                'tokens_consumed' => $tokens,
                'source' => $chargeInfo['source'] ?? '',
                'test_mode' => $isTestUser
            ]);

            return true;

        } catch (\Exception $e) {
            dLog('points')->error('token明细记录失败: ' . $e->getMessage(), ['uid' => $uid]);
            logDB('points', 'error', 'token明细记录失败', [
                'uid' => $uid,
                'tokens_consumed' => $tokens,
                'error' => $e->getMessage()
            ]);
            return false;
        }
    }

    /**
     * 图片生成成功后记录计费明细并扣减用户积分
     *
     * 幂等处理：同一任务只允许计费一次（type + task_id 唯一索引兜底）。
     *
     * @param MpGeneratePicTask $task
     * @return array
     */
    public function recordImageTaskCharge(MpGeneratePicTask $task): array
    {
        // 重复计费保护
        $exists = DB::table('mp_user_points_details')
            ->where('type', MpUserPointsDetail::TYPE_IMAGE)
            ->where('task_id', $task->id)
            ->exists();
        if ($exists) {
            return ['charged' => false, 'reason' => 'already_charged', 'task_id' => $task->id];
        }

        $chargeInfo = $task->charge_info;
        if (is_string($chargeInfo)) {
            $chargeInfo = json_decode($chargeInfo, true);
        }
        if (!is_array($chargeInfo) || empty($chargeInfo['user_id'])) {
            dLog('points')->warning('图片任务缺少计费信息，跳过扣费', ['task_id' => $task->id]);
            return ['charged' => false, 'reason' => 'no_charge_info', 'task_id' => $task->id];
        }

        $uid = (int)$chargeInfo['user_id'];

        // 积分 = 单张价格 × 实际生成图片数
        $pointsPerImage = (float)$this->getImageChargePoints($chargeInfo);
        $imageCount = is_array($task->result_url) ? count($task->result_url) : 0;
        if ($imageCount <= 0) {
            $imageCount = (int)($chargeInfo['image_num'] ?? 1);
        }
        if ($imageCount <= 0) {
            $imageCount = 1;
        }
        // 单张价格 × 实际生成图片数（未配置价格时为0，仍记录明细与token）
        $points = (float)round($pointsPerImage * $imageCount);
        $tokens = $this->getImageTokensConsumed($task);

        return $this->deductAndRecord(
            $uid,
            $task->id,
            MpUserPointsDetail::TYPE_IMAGE,
            (string)getProp($task, 'model', ''),
            $points,
            $tokens,
            $chargeInfo,
            ''
        );
    }

    /**
     * 扣减积分并记录积分使用明细（视频/图片共用）
     *
     * @param int $uid
     * @param int $taskId
     * @param string $type
     * @param string $apiType
     * @param float $points
     * @param int $tokens
     * @param array $chargeInfo
     * @param string $remark
     * @return array
     */
    private function deductAndRecord(int $uid, ?int $taskId, string $type, string $apiType, float $points, int $tokens, array $chargeInfo, string $remark): array
    {
        try {
            DB::beginTransaction();

            $user = DB::table('mp_manage_users')->where('id', $uid)->where('is_deleted', 0)->first();
            if (!$user) {
                DB::rollBack();
                dLog('points')->error('扣费失败：用户不存在', ['task_id' => $taskId, 'uid' => $uid]);
                return ['charged' => false, 'reason' => 'user_not_found', 'task_id' => $taskId];
            }

            $pointsBefore = (float)getProp($user, 'points', 0);

            // 测试用户（TEST_CPID / TEST_UID 白名单）：只记录明细，不实际扣减积分余额
            $isTestUser = $this->isTestUser($uid, (int)getProp($user, 'cpid', 0));
            $pointsAfter = $isTestUser ? $pointsBefore : $pointsBefore - $points;

            // 测试标记落库：charge_info 写入 test_mode，remark 追加 [测试]，便于统计排除与历史排查
            if ($isTestUser) {
                $chargeInfo['test_mode'] = true;
                $remark = trim(($remark ? $remark . '；' : '') . '[测试]仅记账不扣费');
            }

            if (!$isTestUser && $pointsBefore < $points) {
                dLog('points')->warning('用户积分不足，扣费后积分为负数', [
                    'task_id' => $taskId,
                    'uid' => $uid,
                    'points_before' => $pointsBefore,
                    'points_consumed' => $points
                ]);
            }

            if (!$isTestUser) {
                // 原子扣减积分：基于数据库当前值执行（points = points - X），
                // 避免并发处理不同任务时基于旧快照覆盖写入导致丢失更新（少扣）；
                // COALESCE 处理余额为 NULL 的用户（NULL - X 在 MySQL 中仍为 NULL）
                DB::table('mp_manage_users')->where('id', $uid)->update([
                    'points' => DB::raw('COALESCE(points, 0) - ' . (float)$points),
                    'updated_at' => date('Y-m-d H:i:s')
                ]);
            }

            // 记录积分使用明细
            DB::table('mp_user_points_details')->insert([
                'uid' => $uid,
                'cpid' => (int)getProp($user, 'cpid', 0),
                'task_id' => $taskId,
                'type' => $type,
                'api_type' => $apiType,
                'charge_info' => json_encode($chargeInfo, JSON_UNESCAPED_UNICODE),
                'points_consumed' => $points,
                'points_before' => $pointsBefore,
                'points_after' => $pointsAfter,
                'tokens_consumed' => $tokens,
                'remark' => $remark,
                'created_at' => date('Y-m-d H:i:s'),
                'updated_at' => date('Y-m-d H:i:s')
            ]);

            DB::commit();

            dLog('points')->info($type . '计费成功', [
                'task_id' => $taskId,
                'uid' => $uid,
                'points_consumed' => $points,
                'points_after' => $pointsAfter,
                'tokens_consumed' => $tokens,
                'test_mode' => $isTestUser
            ]);

            return [
                'charged' => true,
                'task_id' => $taskId,
                'uid' => $uid,
                'points_consumed' => $points,
                'points_before' => $pointsBefore,
                'points_after' => $pointsAfter,
                'tokens_consumed' => $tokens,
                'test_mode' => $isTestUser
            ];

        } catch (\Exception $e) {
            DB::rollBack();

            // 唯一索引冲突：同一任务已被其他请求计费，视为已计费（并发验重兜底，避免误报计费失败）
            if ($this->isDuplicateCharge($e)) {
                return ['charged' => false, 'reason' => 'already_charged', 'task_id' => $taskId];
            }

            dLog('points')->error($type . '计费失败: ' . $e->getMessage(), ['task_id' => $taskId]);
            logDB('points', 'error', $type . '计费失败', [
                'task_id' => $taskId,
                'error' => $e->getMessage()
            ]);
            return ['charged' => false, 'reason' => 'exception: ' . $e->getMessage(), 'task_id' => $taskId];
        }
    }

    /**
     * 判断异常是否为数据库唯一键冲突（重复计费）
     *
     * @param \Exception $e
     * @return bool
     */
    private function isDuplicateCharge(\Exception $e): bool
    {
        // MySQL 重复键：SQLSTATE 23000 / 错误码 1062（Duplicate entry）
        $code = $e->getCode();
        if ($code === 23000 || $code === '23000' || $code === 1062 || $code === '1062') {
            return true;
        }

        return mb_strpos($e->getMessage(), 'Duplicate entry') !== false;
    }
}