<?php

namespace App\Models;

use App\Helpers\LoginClientInfo;
use Carbon\Carbon;

class UserLogin extends BaseModel
{
    protected $table = 'user_login';

    protected $fillable = [
        'user_id',
        'login_ip',
        'country',
        'browser',
        'os',
        'status',
        'logout_time',
        'online_duration',
        'user_agent',
    ];

    // 登录日志需要展示创建时间（登录时间）
    protected $hidden = [];

    protected $appends = ['status_text'];

    public const STATUS_FAIL = 0;
    public const STATUS_SUCCESS = 1;

    /**
     * 写入登录日志
     *
     * @param string|int $userId 用户ID（member_id / user_id）
     * @param int $status 1成功 0失败
     * @param string|null $loginIp
     * @param string|null $userAgent
     */
    public static function addData($userId, int $status = self::STATUS_SUCCESS, ?string $loginIp = null, ?string $userAgent = null): self
    {
        $info = LoginClientInfo::fromRequest($loginIp, $userAgent);

        return self::create([
            'user_id' => (string)$userId,
            'login_ip' => $info['login_ip'],
            'country' => $info['country'],
            'browser' => $info['browser'],
            'os' => $info['os'],
            'status' => $status,
            'logout_time' => null,
            'online_duration' => null,
            'user_agent' => $info['user_agent'],
        ]);
    }

    /**
     * 标记登出：更新最近一条未登出的成功登录记录
     */
    public static function markLogout($userId): void
    {
        $log = self::where('user_id', (string)$userId)
            ->where('status', self::STATUS_SUCCESS)
            ->whereNull('logout_time')
            ->orderByDesc('id')
            ->first();

        if (!$log) {
            return;
        }

        $logoutAt = Carbon::now('Asia/Shanghai');
        $loginAt = Carbon::parse($log->getRawOriginal('created_at') ?? $log->created_at)
            ->setTimezone('Asia/Shanghai');

        $seconds = max(0, $logoutAt->getTimestamp() - $loginAt->getTimestamp());
        $minutes = (int)ceil($seconds / 60);

        $log->logout_time = $logoutAt->format('Y-m-d H:i:s');
        $log->online_duration = $minutes;
        $log->save();
    }

    public function getStatusTextAttribute(): string
    {
        $status = (int)($this->attributes['status'] ?? self::STATUS_SUCCESS);
        return $status === self::STATUS_SUCCESS ? '登录成功' : '登录失败';
    }

    public function getLogoutTimeAttribute($value): ?string
    {
        if (empty($value) || $value === '0000-00-00 00:00:00') {
            return null;
        }
        return Carbon::parse($value)->setTimezone('Asia/Shanghai')->format('Y-m-d H:i:s');
    }

    // 获取用户未登录天数(最后第二次未登录的天数)
    public static function getNotLoginDays($memberId)
    {
        $list = self::where('user_id', $memberId)
            ->where('status', self::STATUS_SUCCESS)
            ->orderByDesc('id')
            ->limit(2)
            ->get()
            ->toArray();
        if (count($list) < 2) {
            return 0;
        }
        if (date('Y-m-d', strtotime($list[0]['created_at'])) != date('Y-m-d')) {
            return 0;
        }
        $diff = strtotime($list[0]['created_at']) - strtotime($list[1]['created_at']);
        $days = ceil($diff / 86400);
        return abs($days);
    }
}