<?php

namespace App\Modules\Finance\Models;

use App\Consts\BillConst;
use Illuminate\Database\Eloquent\Model;
use DB;
use App\Modules\Channel\Services\ChannelService;

/**
 * Class Bill 账单
 * @package App\Modules\Finance\Models
 */
class Bill extends Model
{
    protected $table = 'bills';
    //recharge_amount:充值金额
    protected $fillable = ['distribution_channel_id', 'distribution_channel_name', 'date', 'recharge_amount', 'tallage',
        'settlement_price', 'rate', 'service_amount'];

    /**
     * 根据渠道ID，时间，获取列表
     * @param        $distribution_channel_id
     * @param        $distribution_channel_name
     * @param string $start_date
     * @param string $end_date
     * @param bool   $is_all
     * @return mixed
     */
    static function getListByDistributionChannel($distribution_channel_id, $distribution_channel_name, $start_date = '', $end_date = '', $is_all = false)
    {
        $search_object = self::orderBy('date', 'desc');

        if ($distribution_channel_id) {
            $search_object->where('distribution_channel_id', $distribution_channel_id);
        }
        if ($distribution_channel_name) {
            $search_object->where('distribution_channel_name', $distribution_channel_name);
        }
        if ($start_date) $search_object->where('date', '>=', $start_date);
        if ($end_date) $search_object->where('date', '<=', $end_date);
        if ($is_all) {
            return $search_object->get();
        } else {
            return $search_object->paginate();
        }
    }

    /**
     * 获取结算列表
     * @param $params []
     *                  channel_id:渠道ID 可选
     *                  channel_name:渠道名称 可选
     *                  search_name: 搜索名称
     *                  start_date:开始时间 可选
     *                  end_date:结束时间 可选
     * * @param bool $is_all
     * @return mixed
     */
    public static function getBillList($params = [], $is_all = false)
    {
        $search_object = self::orderBy('date', 'desc')
            ->where('recharge_amount', '>', 0);

        if (isset($params['channel_id']) && $params['channel_id']) $search_object->where('distribution_channel_id', $params['channel_id']);
        if (isset($params['channel_name']) && $params['channel_name']) $search_object->where('distribution_channel_name', 'like', "%" . $params['channel_name'] . "%");

        if (isset($params['search_name']) && $params['search_name']) {
            $search_object->where(function ($query) use ($params) {
                $query->where('distribution_channel_name', 'like', "%" . $params['search_name'] . "%");
            });
        }

        if (isset($params['start_date']) && $params['start_date']) $search_object->where('date', '>=', $params['start_date']);
        if (isset($params['end_date']) && $params['end_date']) $search_object->where('date', '<=', $params['end_date']);

        if ($is_all) {
            return $search_object->get();
        } else {
            return $search_object->paginate();
        }
    }


    /**
     * 获取当前渠道当前结算比例
     * @param $channelId
     * @return float
     */
    public static function getRate($channelId)
    {

        $current_date = date('Y-m-d');
        $now          = time();
        try {
            \Log::info('bill:common:rate:' . $channelId);
        } catch (\Exception $e) {
        }

        $rate                = 0.0;
        $startMonth          = date('Y-m-01', strtotime(date("Y-m-d")));
        $endMonth            = date('Y-m-d', strtotime("$startMonth +1 month -1 day"));
        $rechargeAmountCount = Bill::where('distribution_channel_id', $channelId)
            ->where('date', '<=', $endMonth)
            ->where('date', '>=', $startMonth)
            ->sum('recharge_amount');

        $commissionRates = CommissionRate::where('distribution_channel_id', $channelId)
            ->orderBy('begin_amount', 'asc')
            ->get();
        foreach ($commissionRates as $commissionRate) {
            if ($rechargeAmountCount >= $commissionRate['begin_amount']) {
                //结束金额存在，并且结算金额小于结束金额，结束
                if (!empty($commissionRate['end_amount']) && is_numeric($commissionRate['end_amount']) && $commissionRate['end_amount'] > 0 && $rechargeAmountCount < $commissionRate['end_amount']) {
                    $rate = $commissionRate['rate'];
                    break;
                }
                $rate = $commissionRate['rate'];
            }
        }

        return $rate;
    }

    /**
     * 创建结算单
     * @param $channelId
     * @param $channelName
     * @param $rechargeAmount
     */
    public static function makeBill($channelId, $channelName, $rechargeAmount)
    {
        // 服务费
        $rechargeAmount = (float)$rechargeAmount;
        $serviceAmount  = 0;
        if (time() >= strtotime(BillConst::SERVICE_START)) {
            $serviceAmount = (float)$rechargeAmount * BillConst::SERVICE_RATE;
            $serviceAmount = getFloorNum($serviceAmount,2);
        }

        $rate                                  = Bill::getRate($channelId);
        $dataBill['distribution_channel_id']   = $channelId;
        $dataBill['distribution_channel_name'] = $channelName;
        $dataBill['date']                      = date("Y-m-d", strtotime(date("Y-m-d") . " -1 day"));
        $dataBill['recharge_amount']           = $rechargeAmount;
        $dataBill['service_amount']            = $serviceAmount;
        $dataBill['settlement_price']          = ($rechargeAmount - $serviceAmount) * $rate;
        
        // 保留2位截断小数 
        $dataBill['settlement_price'] = getFloorNum($dataBill['settlement_price'],2);
        
        $dataBill['rate']                      = $rate;
//        $dataBill['tallage'] = ((float)$rechargeAmount) - ((float)$rechargeAmount * $rate);
        //TODO 扣税金额为 0
        $dataBill['tallage'] = 0;

        DB::beginTransaction();
        try {
            Bill::create($dataBill);
            //更新创建提现信息
            $dataFinancialStatDB = FinancialStat::where('distribution_channel_id', $channelId)->first();
            if (empty($dataFinancialStatDB)) {
                $dataFinancialStat['distribution_channel_id']        = $channelId;
                $dataFinancialStat['accumulative_withdrawal_amount'] = 0;
                $dataFinancialStat['enable_withdrawal_amount']       = $dataBill['settlement_price'];
                $dataFinancialStat['latest_withdrawal_amount']       = 0;
                $dataFinancialStat['withdraw_pending_amount']        = 0;
                $dataFinancialStat['commission_rate']                = $rate;

                FinancialStat::create($dataFinancialStat);
            } else {
                $dataFinancialStatDB['enable_withdrawal_amount'] = (float)$dataFinancialStatDB['enable_withdrawal_amount'] + (float)$dataBill['settlement_price'];
                $dataFinancialStatDB['commission_rate']          = $rate;

                $dataFinancialStatDB->save();
            }

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

    public static function getOne($channelId, $date)
    {
        return self::where('distribution_channel_id', $channelId)
            ->where('date', $date)
            ->first();
    }
}