<?php

namespace App\Http\Controllers\TaskCenter;

use App\Libs\ApiResponse;
use App\Libs\Utils;
use App\Services\TaskCenterService;
use Illuminate\Http\Request;
use Illuminate\Routing\Controller as BaseController;

class TaskCenterController extends BaseController
{
    use ApiResponse;

    protected $taskCenterService;

    public function __construct(TaskCenterService $taskCenterService)
    {
        $this->taskCenterService = $taskCenterService;
    }

    /**
     * 查询任务详情
     *
     * @param Request $request
     * @return mixed
     */
    public function detail(Request $request)
    {
        $taskId = (int)$request->input('task_id', 0);
        if ($taskId <= 0) {
            Utils::throwError('1002:task_id不能为空');
        }

        $task = $this->taskCenterService->getTaskDetail($taskId);
        if (!$task) {
            Utils::throwError('20003:任务不存在');
        }

        return $this->success([
            'task_id'    => $task->id,
            'task_type'  => $task->task_type,
            'title'      => $task->title,
            'status'     => $task->status,
            'result'     => $this->parseResult($task->result) ?? '',
            'error_message' => $task->error_message ?? '',
            'ref_task_id'=> $task->ref_task_id,
            'created_at' => $task->created_at ? $task->created_at->format('Y-m-d H:i:s') : '',
            'updated_at' => $task->updated_at ? $task->updated_at->format('Y-m-d H:i:s') : '',
        ]);
    }

    /**
     * 分页查询任务列表（默认每页20条，按创建时间倒序）
     *
     * @param Request $request
     * @return mixed
     */
    public function taskList(Request $request)
    {
        $params = $request->only(['task_id', 'status', 'task_type', 'page', 'page_size']);

        $tasks = $this->taskCenterService->getTaskList($params);

        $list = $tasks->map(function ($task) {
            return [
                'task_id'       => $task->id,
                'task_type'     => $task->task_type,
                'title'         => $task->title,
                'status'        => $task->status,
                'result'        => $this->parseResult($task->result),
                'error_message' => $task->error_message,
                'ref_task_id'   => $task->ref_task_id,
                'created_at'    => $task->created_at ? $task->created_at->format('Y-m-d H:i:s') : '',
                'updated_at'    => $task->updated_at ? $task->updated_at->format('Y-m-d H:i:s') : '',
            ];
        });

        return $this->success([
            'list'         => $list,
            'total'        => $tasks->total(),
            'per_page'     => $tasks->perPage(),
            'current_page' => $tasks->currentPage(),
            'last_page'    => $tasks->lastPage(),
        ]);
    }

    /**
     * 解析结果字段（JSON字符串转换为数组，保持兼容）
     *
     * @param mixed $result
     * @return mixed
     */
    private function parseResult($result)
    {
        if (is_string($result) && is_json($result)) {
            return json_decode($result, true);
        }
        return $result;
    }
}