<?php


namespace Yunshop\Redpack\services;

use app\common\services\finance\PointService;
use app\framework\Http\Request;
use Illuminate\Support\Facades\DB;
use Yunshop\Redpack\model\Activity;
use Yunshop\Redpack\model\Challenge;
use Yunshop\Redpack\model\RedpackOrder;
use Yunshop\Redpack\model\PointExchangeLog;
use Yunshop\Redpack\services\ActivityService;


class RewardService
{
    protected $uid;
    protected $key;
    protected $times;
    protected $allows;
    protected $activity_data;
    protected $challenge;

    public function __construct($request)
    {
        $this->key = $request->exchange_key;
        $this->times = $request->times > 0 ? $request->times : 1;
        $this->uid = $request->uid ? : \YunShop::app()->getMemberId();
        $this->allows = ['credit','consume','invite','goods'];
        $activity_data = ActivityService::getIssetActivity([$this->key],$request->activity_id);
        $this->activity_data = empty($activity_data[0]) ? [] : $activity_data[0];
    }

    //兑换奖励次数主函数，根据前端传的兑换方式调用方法
    public function reward(){
        if(!method_exists($this,$this->key) || !in_array($this->key,$this->allows)) return $this->returnArr(0,'兑换方式错误');

        if (!$this->activity_data) return $this->returnArr(0,'当前活动无法通过该方式兑换');
        $this->activity_data['rule_data'] = array_column($this->activity_data['rule_data'],null,'key');

        $this->challenge = ActivityService::getChallengeLog($this->activity_data,$this->uid);
        $key = $this->key;
        $res = $this->$key();
        if (!$res || $res['code'] != 1){
            return $this->returnArr(0,$res['msg']);
        }
        if(!$this->decreaseChallenge()){
            return $this->returnArr(0,'兑换失败');
        }
        return $this->returnArr(1,'兑换成功');
    }

    //修改挑战数据表数据统一方法
    public function decreaseChallenge()
    {
        $update_data = [];
        switch ($this->key) {
            case 'goods':
                $update_data['challenge_number'] = DB::raw("challenge_number + ( (sum_goods - settle_goods) * {$this->activity_data['rule_data']['goods']['reward_num']} )");
                $update_data['goods_reward_number'] = DB::raw("goods_reward_number + ( (sum_goods - settle_goods) * {$this->activity_data['rule_data']['goods']['reward_num']} )");
                $update_data['settle_goods'] = DB::raw("sum_goods");
                break;
            case 'invite':
                $update_data['challenge_number'] = DB::raw("challenge_number + ( ( (sum_recommend - settle_recommend) DIV {$this->activity_data['rule_data']['invite']['exchange_num']}) * {$this->activity_data['rule_data']['invite']['reward_num']} )");
                $update_data['recommend_reward_number'] = DB::raw("recommend_reward_number + ( ( (sum_recommend - settle_recommend) DIV {$this->activity_data['rule_data']['invite']['exchange_num']}) * {$this->activity_data['rule_data']['invite']['reward_num']} )");
                $update_data['settle_recommend'] = DB::raw("settle_recommend + ( ( (sum_recommend - settle_recommend) DIV {$this->activity_data['rule_data']['invite']['exchange_num']}) * {$this->activity_data['rule_data']['invite']['exchange_num']} )");
                break;
            case 'consume':
                $update_data['challenge_number'] = DB::raw("challenge_number + ( ( (sum_consume - settle_consume) DIV {$this->activity_data['rule_data']['consume']['exchange_num']}) * {$this->activity_data['rule_data']['consume']['reward_num']} )");
                $update_data['consume_reward_number'] = DB::raw("consume_reward_number + ( ( (sum_consume - settle_consume) DIV {$this->activity_data['rule_data']['consume']['exchange_num']}) * {$this->activity_data['rule_data']['consume']['reward_num']} )");
                $update_data['settle_consume'] = DB::raw("settle_consume + ( ( (sum_consume - settle_consume) DIV {$this->activity_data['rule_data']['consume']['exchange_num']}) * {$this->activity_data['rule_data']['consume']['exchange_num']} )");
                break;
            case 'credit':
                $update_data['challenge_number'] = DB::raw("challenge_number + {$this->times}");
                $update_data['point_reward_number'] = DB::raw("point_reward_number + {$this->times}");
                break;
        }

        if ($update_data) {
            return Challenge::where('id', $this->challenge->id)->update($update_data);
        } else {
            return false;
        }
    }

    //购买指定商品兑换
    public function goods(){

       $this->times = $this->challenge->sum_goods - $this->challenge->settle_goods;
       if ($this->times <= 0){
           return $this->returnArr('0','未满足兑换条件');
       }

        return $this->returnArr(1,'满足兑换条件');
    }


    //直推兑换
    public function invite(){
        $this->times = bcdiv($this->challenge->sum_recommend - $this->challenge->settle_recommend,$this->activity_data['rule_data']['invite']['exchange_num'],0);
        if ($this->times <= 0){
            return $this->returnArr('0','未满足兑换条件');
        }

        return $this->returnArr(1,'满足兑换条件');
    }

    //积分兑换
    public function credit(){
        $need_point = bcmul($this->activity_data['rule_data']['credit']['exchange_num'],$this->times,2);
        $member_data = \app\common\models\Member::find($this->uid);
        if (bccomp($need_point,$member_data->credit1,2) == 1){
            return $this->returnArr('0','积分不足');
        }

        $point_log_id = PointExchangeLog::insertGetId([
            'uniacid'=>$this->activity_data['uniacid'],
            'uid'=>$this->uid,
            'activity_id'=>$this->activity_data['id'],
            'exchange_times'=>$this->times,
            'created_at'=>time(),
            'updated_at'=>time(),
        ]);
        if ($point_log_id) {
            $data = [
                'point_income_type' => -1,
                'member_id' => $this->challenge->uid,
                'point_mode' => 69,
                'point' => bcsub(0,$need_point,2),
                'remark' => "口令红包兑换挑战次数,记录id为{$point_log_id}"
            ];
            try {
                $pointService = new PointService($data);
                $pointService->changePoint($point_log_id);
            } catch (\Exception $e) {
                return $this->returnArr(0,'口令红包兑换次数出错');
            }
            $where = [
                'point_mode' => 69,
                'relation_id' => $point_log_id
            ];
            $status = 2;
            if (\app\common\models\finance\PointLog::where($where)->first()) {
                $status = 1;
            }
            PointExchangeLog::where('id', $point_log_id)->update(['status' => $status]);
        }

        if (!$point_log_id || $status == 2){
            return $this->returnArr(0,'积分兑换失败');
        }
        return $this->returnArr(1,'兑换成功');
    }


    //累计消费兑换
    public function consume(){

        $this->times = bcdiv($this->challenge->sum_consume - $this->challenge->settle_consume,$this->activity_data['rule_data']['consume']['exchange_num'],0);
        if ($this->times <= 0){
            return $this->returnArr('0','未满足兑换条件');
        }

        return $this->returnArr(1,'满足兑换条件');

    }


    public function returnArr($code,$msg='',$data=[]){
        return ['code'=>$code,'msg'=>$msg,'data'=>$data];
    }

}