<?php

namespace App\Services;

use DB;
use Carbon\Carbon;
use App\Models\{User,Order, ActivityOption, ActivityGood, ActivityUser, ActivityLog, LuckDrawOption, UserLuckLog};

/**
 * Class OrderService
 *
 * @package App\Services
 */
class ActivityService
{
    /**
     * 抽奖
     * $num 抽几次
     */
    public function activityDarw($times = 1){
        //获取配置比例
        $options = ActivityOption::where('key_type', 0)->where('rate', '>', 0)->get();
        $star_num = 1;
        $end_num = 1;
        foreach($options as $option){
            $end_num += (int)($option->rate * 100);
        }
        $draw_nums = [];
        for($i = 0; $i<$times; $i++){
            $draw_nums[] = rand($star_num, (int)$end_num);
        }
        //拿去中奖ID
        $draw_id = [];
        foreach($options as $option){
            foreach($draw_nums as $key => $draw_num){
                if($draw_num >= $star_num && $draw_num <=(int)($option->rate * 100 + $star_num)){
                    $draw_id[] = $option->id;
                    unset($draw_nums[$key]);
                }
            }
            $star_num += (int)($option->rate * 100);
        }
        return $draw_id;
    }

    /**
     * 发放奖品
     */
    public function sendDraw(ActivityLog $activity_log){
        $start_time = Carbon::now()->startOfDay();
        $end_time = Carbon::now()->endOfDay();

        //如果是吹牛奖
        $niu_draw = ActivityOption::where('key_type', 0)->where('is_niu', 1)->pluck('id')->toArray();//可能多个ID都是吹牛
        if(in_array($activity_log->draw_id, $niu_draw)){
            //找到该用户当前最新一笔未取餐订单
            $order = Order::where([
                'user_id'=>$activity_log->user_id,
                'order_status'=>1,
                'pay_status'=>1,
                'shipping_status'=>0,
                'is_niu'=>0])
            ->whereBetween('created_at', [$start_time, $end_time])
            ->orderBy('created_at', 'asc')->first();
            if($order){
                $order->update(['is_niu'=>1]);
            }
        }
        //发放奖品
        if($activity_log->draw_id<10){
            ActivityUser::where('user_id', $activity_log->user_id)->increment('award_'.$activity_log->draw_id);
        }
        $activity_log->status = 1;
        $activity_log->save();
    }

    /**
     * 抽奖活动-抽奖
     */
    public function luckActivityDarw($activity_id, $times = 1){
        //获取配置比例
        $options = LuckDrawOption::where('activity_id', $activity_id)->where('draw_rate', '>', 0)->where(function($q){
            $q->where('is_num', 0)->orWhereColumn('draw_num', '<', 'luck_num');
        })->get();
        $star_num = 1;
        $end_num = 1;
        foreach($options as $option){
            $end_num += (int)($option->draw_rate * 100);
        }
        if($end_num < 10000){
            $end_num = 10000;
        }
        $draw_nums = [];
        for($i = 0; $i<$times; $i++){
            $draw_nums[] = rand($star_num, (int)$end_num);
        }
        //拿去中奖ID
        $draw_id = [];

        foreach($draw_nums as $key => $draw_num){
            $star_num = 0;
            $option_status = false;
            foreach($options as $option){
                if($draw_num >= $star_num && $draw_num <=(int)($option->draw_rate * 100 + $star_num)){
                    $draw_id[] = $option->id;
                    $option_status = true;
                }else{
                    if(!$option_status && $option == $options->last()){
                        $draw_id[] = 0;
                    }
                }
                $star_num += (int)($option->draw_rate * 100);
            }
        }
        // dd($draw_id);
        return $draw_id;
    }

    public function sendLuckDraw(UserLuckLog $userLuckLog){
        $user = User::find($userLuckLog->user_id);
        if($user){
            try{
                DB::beginTransaction();
                switch($userLuckLog->draw->draw_type){
                    case 1://优惠券
                        $user->sendTicket($userLuckLog->draw->draw_info, 0, '活动抽奖');
                        break;
                }
                $userLuckLog->log_status = 1;
                $userLuckLog->save();
                DB::commit();
            }catch (\Throwable $th) {
                DB::rollback();
                $userLuckLog->log_status = -1;
                $userLuckLog->save();
            }
        }
    }
}