<?php
namespace app\api\logic;

use app\common\logic\BaseLogic;
use app\common\service\{UtilsService,ConfigService,FileService};
use app\common\model\finance\{UserFinance};
use app\common\model\user\{User};
use app\common\model\mall\{MallGoods,MallGoodsRecord};
use app\common\model\setting\Language;
use think\facade\Config;
use think\facade\{Db};


/**
 * 项目逻辑
 * Class MallLogic
 * @package app\api\logic
 */
class MallLogic extends BaseLogic
{
    
    /**
     * @notes 首页数据
     * @param $params
     * @return array
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\DbException
     * @throws \think\db\exception\ModelNotFoundException
     * @author BD
     * @date 2024/02/22 10:54
     */
    public static function index(array $params)
    {
        $user = User::where(['id' => $params['user_id']])->findOrEmpty();
        $user_res['point'] = $user['user_point'];
        
        $goods_lists =  MallGoods::field('id,title,image,price,num,langs')
            ->where(['is_show' => 1,'type' => 1])
            ->order(['sort' => 'desc', 'id' => 'desc'])
            ->select()
            ->toArray();
        foreach ($goods_lists as &$goods) {
            //多语言替换
            $data = UtilsService::get_langs_data($goods['langs'],$params['lang']);
            $data_title = '';
            
            if(count($data) > 0){
                $data_title = $data['title'];
            }
            
            $goods['title'] = $data_title;
            $goods['image'] = FileService::getFileUrl($goods['image']);
            unset($goods['langs']);
        }
        
        //查询初始交易密码
        $need_set_pwd = 0;
        $pwd_pay = ConfigService::get('login', 'password_pay');
        $passwordSalt = Config::get('project.unique_identification');
        if ($user['password_pay'] == create_password($pwd_pay, $passwordSalt)) {
            $need_set_pwd = 1;
        }
        
        return [
            'lists' => $goods_lists,
            'user' => $user_res,
            'need_set_pwd' => $need_set_pwd
        ];
    }
    
    /**
     * @notes 兑换
     * @param array $params
     * @return array|false
     * @author BD
     * @date 2024/02/22 10:54
     */
    public static function buy(array $params)
    {
        Db::startTrans();
        try {
            $goods =  MallGoods::where(['is_show' => 1])->findOrEmpty($params['id']);
            $user_id = $params['user_id'];
            
            $data = [
                'sn' => generate_sn(MallGoodsRecord::class, 'sn'),
                'user_id' => $user_id,
                'm_goods_id' => $goods['id'],
                'm_goods_title' => $goods['title'],
                'm_goods_image' => FileService::setFileUrl($goods['image']),
                'm_goods_langs' => $goods['langs'],
                'price' => $goods['price'],
                'money' => $goods['money'],
                'point' => $goods['point'],
                'type' => $goods['type'],
                'type2' => $goods['type2'],
                'status' => 1,//状态0进行中1已完成
            ];
            $order = MallGoodsRecord::create($data);
            
            //剩余数量-1
            MallGoods::update([
                'id' => $goods['id'],
                'num' => $goods['num'] - 1
            ]);
            
            //扣除积分
            if($goods['price'] > 0){
                //用户积分修改
                UtilsService::user_money_change($user_id, 2, $goods['price'],'user_point');
            }
            
            //类型1现金
            switch ($goods['type2']) {
                case 1:
                     if($goods['money'] > 0.01){
                        //记录日志
                        UtilsService::user_finance_add(
                            $user_id,
                            23,
                            1,
                            $goods['money'],
                            $order['sn'],
                            '',
                            1//冻结
                        );
                        
                        //用户资金修改
                        UtilsService::user_money_change($user_id, 1, $goods['money'],'user_money');
                        
                    }
                    break;
                case 2:
                    
                    break;
                case 3:
                    break;
            }
            
            Db::commit();
            return [];
        } catch (\Exception $e) {
            Db::rollback();
            self::setError($e->getMessage());
            return false;
        }
    }

    /**
     * @notes 抽奖数据
     * @param $params
     * @return array
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\DbException
     * @throws \think\db\exception\ModelNotFoundException
     * @author BD
     * @date 2024/02/22 10:54
     */
    public static function drawIndex(array $params)
    {
        $user = User::where(['id' => $params['user_id']])->findOrEmpty();
        $user_res['point'] = $user['user_point'];
        
        //单次抽奖消耗积分
        $config = ConfigService::get('website', 'trade');
        $config_res['point'] = $config['draw_point'];
        
        $goods_lists =  MallGoods::field('id,title as name,image as img,langs')
            ->where(['is_show' => 1,'type' => 2])
            ->order(['sort' => 'desc', 'id' => 'desc'])
            ->select()
            ->toArray();
        foreach ($goods_lists as &$goods) {
            //多语言替换
            $data = UtilsService::get_langs_data($goods['langs'],$params['lang']);
            $data_title = '';
            
            if(count($data) > 0){
                $data_title = $data['title'];
            }
            
            $goods['name'] = $data_title;
            $goods['img'] = FileService::getFileUrl($goods['img']);
            unset($goods['langs']);
        }
        
        return [
            'prizeList' => $goods_lists,
            'user' => $user_res,
            'config' => $config_res,
        ];
    }
    
    /**
     * @notes 抽奖
     * @param array $params
     * @return array|false
     * @author BD
     * @date 2024/02/22 10:54
     */
    public static function draw(array $params)
    {
        Db::startTrans();
        try {
            
            //单次抽奖消耗积分
            $config = ConfigService::get('website', 'trade');
            $draw_point = $config['draw_point'];
            
            $user = User::where(['id' => $params['user_id']])->findOrEmpty();
            
            $goods_lists =  MallGoods::where(['is_show' => 1,'type' => 2])
                            ->order(['sort' => 'desc', 'id' => 'desc'])
                            ->select()
                            ->toArray();
            
            //概率算法
            $lists = [];
            foreach($goods_lists as $index=>$item) {
                $lists[$index] = $item['win_rate'];
            }
            
            $prizeIndex = UtilsService::get_draw_rand($goods_lists,$lists,$params['user_id'],$draw_point);
            
            Db::commit();
            return [
                    'index' => $prizeIndex
                ];
        } catch (\Exception $e) {
            Db::rollback();
            self::setError($e->getMessage());
            return false;
        }
    }
}