<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;

class SystemConfig extends Model
{
    use HasFactory;

    protected $fillable = [
        'group',
        'key',
        'value',
        'type',
        'label',
        'description',
        'options',
        'rules',
        'sort',
        'status',
    ];

    protected $casts = [
        'options' => 'array',
        'rules' => 'array',
        'sort' => 'integer',
    ];

    /**
     * 获取配置值
     */
    public static function getValue($group, $key, $default = null)
    {
        $cacheKey = 'system_config_' . $group . '_' . $key;
        
        return cache()->remember($cacheKey, 3600, function () use ($group, $key, $default) {
            $config = self::where('group', $group)
                ->where('key', $key)
                ->where('status', 'active')
                ->first();

            return $config ? $config->value : $default;
        });
    }

    /**
     * 设置配置值
     */
    public static function setValue($group, $key, $value)
    {
        $config = self::updateOrCreate(
            ['group' => $group, 'key' => $key],
            ['value' => $value, 'status' => 'active']
        );

        // 清除缓存
        cache()->forget('system_config_' . $group . '_' . $key);
        cache()->forget('system_config_group_' . $group);

        return $config;
    }

    /**
     * 获取分组配置
     */
    public static function getGroupConfigs($group)
    {
        $cacheKey = 'system_config_group_' . $group;
        
        return cache()->remember($cacheKey, 3600, function () use ($group) {
            return self::where('group', $group)
                ->where('status', 'active')
                ->orderBy('sort', 'asc')
                ->get()
                ->mapWithKeys(function ($config) {
                    return [$config->key => $config->value];
                })
                ->toArray();
        });
    }

    /**
     * 清除配置缓存
     */
    public static function clearCache($group = null, $key = null)
    {
        if ($group && $key) {
            cache()->forget('system_config_' . $group . '_' . $key);
        }
        
        if ($group) {
            cache()->forget('system_config_group_' . $group);
        }
        
        if (!$group && !$key) {
            // 清除所有配置相关的缓存
            cache()->forget('system_config_*');
        }
    }
}