<?php

namespace App\Services;

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

class SettingService
{
    /**
     * Get a setting value by key, with optional default.
     */
    public function get(string $key, mixed $default = null): mixed
    {
        // Use cache to prevent repeated DB queries for settings
        $setting = Cache::rememberForever("setting.{$key}", function () use ($key) {
            return Setting::where('key', $key)->first();
        });

        if (!$setting) {
            return $default;
        }

        return $setting->getTypedValue();
    }

    /**
     * Set or update a setting.
     */
    public function set(string $key, mixed $value, string $type = 'string'): void
    {
        // Convert array/object to json if necessary
        if (is_array($value) || is_object($value)) {
            $value = json_encode($value);
            $type = 'json';
        } elseif (is_bool($value)) {
            $value = $value ? 'true' : 'false';
            $type = 'boolean';
        }

        Setting::updateOrCreate(
            ['key' => $key],
            [
                'value' => (string) $value,
                'type' => $type,
            ]
        );

        // Invalidate cache
        Cache::forget("setting.{$key}");
    }
    
    /**
     * Get all settings as an associative array.
     */
    public function getAll(): array
    {
        $settings = Setting::all();
        $result = [];
        foreach ($settings as $setting) {
            $result[$setting->key] = $setting->getTypedValue();
        }
        return $result;
    }
}