<?php
namespace app\controller;

use app\BaseController;
use think\facade\Db;

//公共控制器
class Common extends BaseController
{
    protected $noNeedLogin = ['statisticInfo', 'getUserProfile', 'visit', 'viewFriendList'];
    
    //虚假初始会员数量
    private $falseUserCount = 1000;
    
    //获取首页统计信息
    public function statisticInfo()
    {
        //今日新上架游戏商品数
        $todayGameCount = Db::table('tb_game')
            ->where('created_at', '>', strtotime(date('Y-m-d') . ' 00:00:00'))
            ->count();
        //昨日上架游戏商品数
        $yesterdayGameCount = Db::table('tb_game')
            ->where('created_at', '>', strtotime(date('Y-m-d') . ' 00:00:00') - 60 * 60 * 24)
            ->where('created_at', '<', strtotime(date('Y-m-d') . ' 00:00:00'))
            ->count();
        //全部上架游戏商品数
        $allGameCount = Db::table('tb_game')->count();
        //会员数量
        $userCount = Db::table('tb_user')->count() + $this->falseUserCount;
        //欢迎新会员
        $user = Db::table('tb_user')
            ->order('created_at DESC')
            ->find();
        $this->success('success', [
            'todayGameCount'     => $todayGameCount,      //今日新上架游戏数量
            'yesterdayGameCount' => $yesterdayGameCount,  //昨日上架游戏数量
            'allGameCount'       => $allGameCount,        //所有游戏数量
            'userCount'          => $userCount,           //总用户数量
            'newUser'            => [                     //新用户信息
                'userId'   => !isset($user['id']) ? null : $user['id'],    //用户ID，如果站点目前没人注册会员返回null
                'username' => !isset($user['username']) ? null : $user['username'],  //用户名，如果站点目前没人注册会员返回null
            ],
        ]);
    }
    
    //获取用户资料
    public function getUserProfile()
    {
        $userId = $this->request->post('userId'); //用户ID
        if (!is_numeric($userId)) {
            $this->fail(500, 'userId参数校验错误');
        }
        $user = Db::table('tb_user')
            ->where(['id' => $userId])
            ->find();
        if (!$user) {
            $this->fail(501, '找不到userId对应的用户资料');
        }
        //解析获取头像url
        if (str_starts_with($user['avatar'], 'system://')) {
            $data = explode('//', $user['avatar']);
            $avatarId = intval($data[1]);
            $avatar = Db::table('tb_system_avatar')
                ->where(['id' => $avatarId])
                ->find();
            $user['avatar'] = $avatar['image_url'];
        }
        //获取好友数量
        $friendCount = Db::table('tb_friend')
            ->where(['user_id' => $userId])
            ->where(['state'   => 1])  //状态必须是已通过
            ->count();
        unset($user['password']);
        unset($user['balance']);
        //好友数量
        $user['friend_count'] = $friendCount;
        $userGroupList = Db::table('tb_user_group')
            ->order('exp DESC')
            ->select();
        $userGroupName = '新手上路';
        foreach ($userGroupList as $userGroup) {
            if ($user['exp'] >= $userGroup['exp']) {
                $userGroupName = $userGroup['name'];
                break;
            }
        }
        $user['user_group'] = $userGroupName;
        $user['theme_count'] = Db::table('tb_thread')->where('user_id', $userId)->count();
        $user['reply_count'] = Db::table('tb_thread_reply')->where('user_id', $userId)->count();
        $user['user_score'] = Db::table('tb_user')->where('id', $userId)->value('score');
        $this->success('success', $user);
    }
    
    //查看好友列表
    public function viewFriendList()
    {
        $userId = $this->request->post('userId'); //用户ID
        if (!is_numeric($userId)) {
            $this->fail(500, 'userId参数校验错误');
        }
        $map1 = ['user_id', '=', $userId];
        $map2 = ['friend_id', '=', $userId];
        $friends = Db::table('tb_friend')
            ->where(['state' => 1])  //状态必须是已通过
            ->where(function ($query) use($map1, $map2) {
                $query->whereOr([$map1, $map2]); 
            })
            ->select();
        $friendsData = [];
        foreach ($friends as $friend) {
            $friendId = 0;
            //好友是双向的，判断是否当前userId
            if ($friend['user_id'] == $userId) {
                $friendId = $friend['friend_id'];
            } else {
                $friendId = $friend['user_id'];
            }
            $user = Db::table('tb_user')
                ->where(['id' => $friendId])
                ->find();
            unset($user['password']);
            unset($user['balance']);
            $friendsData[] = $user;
        }
        $this->success('success', [
            'friendCount' => count($friendsData),  //好友列表数量
            'data'        => $friendsData,         //返回所有好友的user数据
        ]);
    }
    
    //创建网站访问记录
    public function visit()
    {
        //如果有登录需要POST方式传递token
        $token = $this->request->post('token');
        $userToken = Db::table('tb_user_token')
            ->where(['token' => $token])
            ->where('expired_at', '<', time())
            ->find();
        Db::table('tb_website_visit')
            ->insert([
                'ip_address' => $this->request->ip(),
                'is_user'    => !is_null($userToken) && !empty($token) ? 1 : 0,                      //是否注册用户1:是  0:否
                'user_id'    => !is_null($userToken) && !empty($token) ? $userToken['user_id'] : 0,  //如果是注册用户写用户ID，非注册用户写0
                'user_agent' => $this->request->header('user-agent'),
                'created_at' => time(),
            ]);
        $this->success('success', null);
    }
}