<?php

namespace app\common\model;


use app\api\model\CommonInfo;
use app\common\library\DatabaseRoute;
use app\czg\model\SysCaptcha;
use think\cache\driver\Redis;
use think\facade\Db;
use think\Model;
use support\think\Cache;

class Common extends Model
{


    // 统一处理分表表新增编辑查询（主表中没有的表）
    public static function saveDbData($table, $sale, $data, $operate = 'insertGetId', $where = [])
    {
        if(in_array($operate, ['insertGetId', 'insert']) || $operate == 'update') {
            $connect_name = DatabaseRoute::getConnection($table, $sale, true);
        }else {
            $connect_name = DatabaseRoute::getConnection($table, $sale);
        }
        $db = Db::connect($connect_name);
        if($operate == 'insert' || $operate == 'insertGetId') {
            return $db->name($table)->insertGetId($data);
        }elseif($operate == 'update') {
            return $db->name($table)->where($where)->update($data);
        }elseif ($operate == 'select') {
            return $db->name($table)->where($where)->select();
        }elseif ($operate == 'find') {
            return $db->name($table)->where($where)->find();
        }
    }

    public static function db_count($table, $sale, $where)
    {
        $connect_name = DatabaseRoute::getConnection($table, $sale);
        $db = Db::connect($connect_name);
        return $db->name($table)->where($where)->count();

    }

    public static function getAppUseKv()
    {
        $info = Db::connect(config('think-orm.search_library'))->name('common_info')->where(['is_app_use' => 1])->field('id, value')->select();
        $data = [];
        foreach ($info as $k => $v) {
            $data[$v['id']] = $v['value'];
        }
        return returnSuccessData($data);
    }


    /**
     * 检查是否允许访问（基于Redis的频率限制）
     * @param string $id 唯一标识（如用户ID、IP等）
     * @param string $key 操作类型（如"updateWeekCourseView"）
     * @param int $count 允许的访问次数
     * @param int $seconds 时间窗口（秒）
     * @return bool 是否允许访问
     */
    public static function isAccessAllowed($id, $key, $count, $seconds, $sys_data = false)
    {
        if($sys_data) {
            $redisKey = 'sys:data:' . $key . ':' . $id;
        }else {
            $redisKey = generateRedisKey($key, $id);
        }
        // 获取当前访问次数
        $currentCount = Cache::get($redisKey);

        if ($currentCount === null) {
            // 首次访问：初始化计数器并设置过期时间
            Cache::set($redisKey, $seconds, 1);
            return true;
        }
        if ((int)$currentCount < $count) {
            // 未超过限制：增加计数
            Cache::set($redisKey,$currentCount + 1);
            return true;
        }
        // 已超过限制
        return false;
    }


    /**
     * @param int $courseId 课程ID
     * @return int 周播放量
     */
    public static function getCourseWeekViewCount($courseId)
    {
        $key = "course:viewCount:{$courseId}";
        // 从Redis获取周播放量
        $viewCount = Cache::get($key);
        if (empty($viewCount)) {
            // 计算下周一的时间戳
            $now = time();
            $dayOfWeek = date('N', $now); // 1-7，1表示周一
            $daysToMonday = $dayOfWeek === 1 ? 7 : (1 - $dayOfWeek + 7) % 7;
            $nextMonday = $now + $daysToMonday * 86400;

            // 计算剩余秒数并设置缓存
            $seconds = $nextMonday - $now;
            Cache::set($key, 1, $seconds);
            return 1;
        }
        // 播放量递增并返回
        $newCount = Cache::set($key, $viewCount + 1, -1);
        return $newCount;
    }


}