<?php

namespace App\Http\Controllers\Api;

use App\Models\Preferences;
use App\Models\Settings;
use Symfony\Component\HttpFoundation\Response;

class SettingsController extends BaseApiController
{
    protected Preferences $preferences;
    protected Settings $settings;

    public function __construct()
    {
        parent::__construct();
        $this->preferences = model(Preferences::class);
        $this->settings    = model(Settings::class);
    }

    public function preferences()
    {
        $user = $this->getCurrentUser();
        if (!$user) {
            return $this->respondError('Authentication required', Response::HTTP_UNAUTHORIZED);
        }

        $preference = $this->preferences->newQuery()
            ->where('user_id', $user->id)
            ->first();

        return $this->success($preference ? $preference->toArray() : [], 'Preferences retrieved successfully');
    }

    public function updatePreferences()
    {
        $user = $this->getCurrentUser();
        if (!$user) {
            return $this->respondError('Authentication required', Response::HTTP_UNAUTHORIZED);
        }

        $data = $this->payloadData();
        if (empty($data)) {
            return $this->respondError('Invalid request data', Response::HTTP_BAD_REQUEST);
        }

        $allowedFields = ['timezone', 'language', 'notifications_enabled', 'email_notifications'];
        $payload = ['user_id' => $user->id];

        foreach ($allowedFields as $field) {
            if (array_key_exists($field, $data)) {
                $payload[$field] = $data[$field];
            }
        }

        try {
            $preference = $this->preferences->newQuery()
                ->updateOrCreate(['user_id' => $user->id], $payload);

            return $this->success($preference->fresh()->toArray(), 'Preferences updated successfully');
        } catch (\Throwable $e) {
            log_message('error', 'Preferences update error: ' . $e->getMessage());
            return $this->respondError('Failed to update preferences', Response::HTTP_INTERNAL_SERVER_ERROR);
        }
    }

    public function system()
    {
        $settings = $this->settings->newQuery()->get();
        $formatted = [];

        foreach ($settings as $setting) {
            $row = $setting->toArray();
            $key = $row['key'] ?? $row['name'] ?? null;
            if ($key !== null) {
                $formatted[$key] = $row['value'] ?? $row;
            }
        }

        return $this->success($formatted, 'System settings retrieved successfully');
    }
}