<?php

namespace App\Support;

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

class SettingsRepository
{
    const CACHE_KEY = 'settings.all';

    protected function store()
    {
        // zieht z.B. 'redis' aus .env: CACHE_SETTINGS_STORE=redis
        $store = env('CACHE_SETTINGS_STORE', 'redis');
        return Cache::store($store);
    }

    protected function loadAll(): array
    {
        try {
            /** @var array<string,string> $settings */
            $settings = $this->store()->rememberForever(self::CACHE_KEY, function (): array {
                return Setting::query()
                    ->pluck('value', 'key')
                    ->toArray();
            });

            return $settings;
        } catch (\Throwable $e) {
            return Setting::query()->pluck('value', 'key')->toArray();
        }
    }

    public function get(string $key, $default = null)
    {
        $all = $this->loadAll();
        return array_key_exists($key, $all) ? $all[$key] : $default;
    }

    public function set(string $key, $value): void
    {
        Setting::query()->updateOrCreate(['key' => $key], ['value' => $value]);

        // Cache refreshen
        try {
            $all = Setting::query()->pluck('value', 'key')->toArray();
            $this->store()->forever(self::CACHE_KEY, $all);
        } catch (\Throwable $e) {
            // Cache kaputt? Ignorieren, DB ist aktualisiert.
        }
    }

    public function forgetCache(): void
    {
        try { $this->store()->forget(self::CACHE_KEY); } catch (\Throwable $e) {}
    }
}