<?php

namespace app\service;

use app\model\SystemSetting;

class SettingsService
{
    private const DEFAULT_FEATURES = [
        'markdown'     => true,
        'image'        => true,
        'video'        => true,
        'voice'        => true,
        'document'     => true,
        'emoji'        => true,
        'upload_image' => true,
        'upload_video' => true,
        'upload_file'  => true,
        'paste_image'  => true,
        'short_drama'  => true,
    ];

    public static function get(string $key, mixed $default = null): mixed
    {
        $row = SystemSetting::where('setting_key', $key)->find();
        if (!$row) {
            return $default;
        }

        $decoded = json_decode($row->setting_value, true);
        return json_last_error() === JSON_ERROR_NONE ? $decoded : $row->setting_value;
    }

    public static function set(string $key, mixed $value): void
    {
        $stored = is_array($value) || is_object($value)
            ? json_encode($value, JSON_UNESCAPED_UNICODE)
            : (string) $value;

        $setting = SystemSetting::where('setting_key', $key)->find();
        if ($setting) {
            $setting->save(['setting_value' => $stored]);
        } else {
            SystemSetting::create([
                'setting_key'   => $key,
                'setting_value' => $stored,
            ]);
        }
    }

    public static function getFeatures(): array
    {
        $stored = self::get('features', []);
        return array_replace(self::DEFAULT_FEATURES, is_array($stored) ? $stored : []);
    }

    public static function isFeatureEnabled(string $feature): bool
    {
        $features = self::getFeatures();
        return !empty($features[$feature]);
    }
}