<?php

namespace app\admin\model;

use think\Model;
use think\Db;

class UserPack extends Model
{
    //获取配置参数
    public function add_user_pack_gift($aid, $uid, $gid, $num)
    {
        if($aid != 1) {
            return ['code' => 201, 'msg' => '非超管用户不能向背包送礼物', 'data' => null];
        }
        $map = [];
        $map[] = ['is_delete', '=', 1];
        $map[] = ['is_show', '=', 1];
        $map[] = ['is_can_buy', '=', 2];
        $map[] = ['gid', '=', $gid];
        $gift_info = Db::name('gift')->where($map)->find();
        if(empty($gift_info)) {
            return ['code' => 201, 'msg' => '礼物信息不存在', 'data' => null];
        }
        $user_info = Db::name('user')->find($uid);
        if(empty($user_info)) {
            return ['code' => 201, 'msg' => '用户信息不存在', 'data' => null];
        }
        
        $map = [];
        $map[] = ['uid', '=', $uid];
        $map[] = ['gid', '=', $gid];
        $info = Db::name('user_gift_pack')->where($map)->find();
        Db::startTrans();
        try {
            if($info) {
                $data = [
                    'total_num' => $info['total_num'] + $num,
                    'num' => $info['num'] + $num,
                    'admin_id' => $aid,
                    'admin_add_num' => $info['admin_add_num'] + $num,
                    'update_time' => time(),
                ];
                Db::name('user_gift_pack')->where('pid', $info['pid'])->update($data);
            } else {
                $data = [
                    'total_num' => $num,
                    'num' => $num,
                    'admin_id' => $aid,
                    'admin_add_num' => $num,
                    'update_time' => time(),
                    'add_time' => time(),
                    'gid' => $gid,
                    'uid' => $uid,
                ];
                Db::name('user_gift_pack')->insert($data);
            }
            $insert_data = [
                'uid' => $uid,
                'type' => 5,
                'gid' => $gid,
                'change_num' => $num,
                'after_num' => $num,
                'gift_price' => $gift_info['gift_price'],
                'total_gift_price' => $gift_info['gift_price'] * $num,
                'remarks' => '平台补发',
                'update_time' => time(),
                'add_time' => time(),
                'admin_id' => $aid,
                ];
            Db::name('user_gift_pack_log')->insert($insert_data);
            Db::commit();
            return ['code' => 200, 'msg' => "修改成功", 'data' => null];
        } catch (\Exception $e) {
            // 回滚事务
            dump($e);
            Db::rollback();
            return ['code' => 201, 'msg' => "请重试", 'data' => null];
        }
        
    }
}