<?php

namespace App\Services;

use App\Models\Setting;
use Illuminate\Support\Facades\Cache;

/**
 * Service to handle site-wide settings with caching.
 */
class SettingService
{
    /**
     * Get all settings grouped by their group.
     *
     * @return \Illuminate\Database\Eloquent\Collection
     */
    public function getAllSettings()
    {
        return Setting::all();
    }

    /**
     * Get a setting value by key.
     *
     * @param string $key
     * @param mixed $default
     * @return mixed
     */
    public function get(string $key, $default = null)
    {
        return Cache::rememberForever("setting.{$key}", function () use ($key, $default) {
            return Setting::get($key, $default);
        });
    }

    /**
     * Update or create multiple settings.
     *
     * @param array $settings Map of key => value
     * @param string $group
     * @return void
     */
    public function updateSettings(array $settings, string $group = 'general'): void
    {
        foreach ($settings as $key => $value) {
            Setting::set($key, $value, $group);
            Cache::forget("setting.{$key}");
        }

        // Clear dependent caches if languages change
        if (isset($settings['supported_languages'])) {
             Cache::forget('supported_languages');
        }
    }

    /**
     * Get supported languages from settings.
     *
     * @return array
     */
    public function getSupportedLanguages(): array
    {
        return Cache::rememberForever('supported_languages', function () {
            return Setting::get('supported_languages', [
                ['name' => 'English', 'abbreviation' => 'en']
            ]);
        });
    }

    /**
     * Get supported language abbreviations.
     *
     * @return array
     */
    public function getSupportedLocales(): array
    {
        $languages = $this->getSupportedLanguages();
        return array_column($languages, 'abbreviation');
    }
}