<?php
declare (strict_types = 1);

namespace app\model;

use think\Model;
use think\db\exception\DataNotFoundException;
use think\db\exception\DbException;
use think\db\exception\ModelNotFoundException;

/**
 * 充值记录
 */
class RechargeRecords extends Model
{

    public $tradeType = [1 => '代理上分', 2 => '管理员上分', 3 => '支付宝', 4 => '消费返点'];

    /**
     * 创建充值记录
     * @param $user_id
     * @param $recharge_amount
     * @param $residue_amount
     * @param int $status
     * @param int $trade_type
     * @param int $trade_id
     * @return mixed
     */
    public static function createRecords($user_id, $recharge_amount, $residue_amount, int $status = 0,int $trade_type = 1,int $trade_id = 0)
    {
        $RechargeRecords = new RechargeRecords();

        $RechargeRecords->user_id         = $user_id;
        $RechargeRecords->recharge_amount = $recharge_amount;
        $RechargeRecords->residue_amount  = $residue_amount;
        $RechargeRecords->recharge_time   = date("Y-m-d H:i:s", time());
        $RechargeRecords->trade_type      = $trade_type;
        $RechargeRecords->trade_id        = $trade_id;
        $RechargeRecords->status          = $status;
        if ($status == 1) {
            $RechargeRecords->pay_time = date("Y-m-d H:i:s", time());
        }

        $RechargeRecords->save();

        return $RechargeRecords->id;
    }

    /**
     * 最近一次充值金额
     * @param array $where
     * @return array
     * @throws DataNotFoundException
     * @throws DbException
     * @throws ModelNotFoundException
     */
    public static function lastRechargeAmount(array $where = []): array
    {

        $RechargeRecords = new RechargeRecords();

        $rechargeRes = $RechargeRecords->where($where)
                                       ->where('status', 1)
                                       ->where('usage_status', 0)
                                       ->field('id,recharge_amount,usage_amount,recharge_time')
                                       ->order('recharge_time','asc')
                                       ->find();
        $rechargeArr = [];
        if ($rechargeRes) $rechargeArr = $rechargeRes->toArray();

        return $rechargeArr;
    }

    /**
     * 增加使用金额
     * @param $where // 初始[ ['id','=',$id] ]
     * @param $usageAmount // 增加金额
     * @throws DataNotFoundException
     * @throws DbException
     * @throws ModelNotFoundException
     */
    public static function incrUsageAmount($where, $usageAmount)
    {
        // 充值记录
        $RechargeRecords = self::lastRechargeAmount($where);

        $id = $RechargeRecords['id']; // 已使用金额
        $usage_amount = $RechargeRecords['usage_amount']; // 已使用金额
        $recharge_timeWhere = [
            ['id', '>', $id],
            ['recharge_time', '>', $RechargeRecords['recharge_time']]
        ]; // 充值时间
        $recharge_amount = $RechargeRecords['recharge_amount']; // 充值金额

        // 当前使用金额
        $target_usage_amount = $usageAmount + $usage_amount;

        // 保存充值金额
        $incr_usage_amount = $target_usage_amount;

        // 超出此次充值记录使用金额
        if ($target_usage_amount > $recharge_amount) {

            $incr_usage_amount = $target_usage_amount - $recharge_amount;

            // 剩余-增加-使用金额
            $incr_next_usage_amount = $usageAmount - $incr_usage_amount;

            # 递归增加使用金额
            self::incrUsageAmount($recharge_timeWhere,$incr_next_usage_amount);
        }

        // 保存此次消费
        if ($incr_usage_amount > 0) {

            $updateArr = ['usage_amount' => $incr_usage_amount];

            if ($recharge_amount == $incr_usage_amount) {
                $updateArr['usage_status'] = 1;
            }

            self::update($updateArr,['id' => $id]);
        }
    }
}