<?php

namespace App\Http\Controllers;

use App\Models\Setting;
use Illuminate\Http\Request;
use Inertia\Inertia;
use Illuminate\Support\Facades\Cache;
use Illuminate\Support\Facades\Storage;

class SystemSettingController extends Controller
{
    /**
     * Display the system settings page.
     */
    public function index()
    {
        abort_if(!auth()->user()->hasRole('super-admin'), 403, 'Unauthorized. Super-Admin only.');

        $settings = Setting::all()->pluck('value', 'key');
        
        $defaultSettings = [
            'app_name' => 'biiproject kit v2',
            'app_logo' => null,
            'app_logo_text' => 'BK',
            'app_description' => 'Enterprise Admin Platform',
            'allow_registration' => '1',
            'require_email_verification' => '0',
            'password_minimum_length' => '8',
            'password_require_symbols' => '0',
            'password_require_numbers' => '0',
            'password_require_mixed_case' => '0',
            
            // OAuth
            'oauth_google_enabled' => '0',
            'oauth_google_client_id' => '',
            'oauth_google_client_secret' => '',
            'oauth_github_enabled' => '0',
            'oauth_github_client_id' => '',
            'oauth_github_client_secret' => '',
            
            // SMTP
            'mail_host' => 'smtp.mailtrap.io',
            'mail_port' => '2525',
            'mail_username' => '',
            'mail_password' => '',
            'mail_encryption' => 'tls',
            'mail_from_address' => 'hello@biiproject.com',
            'mail_from_name' => 'biiproject kit Admin',
            
            'primary_color' => '#6366f1',

            // Mobile App Control
            'android_latest_version' => '1.0.0',
            'android_min_version' => '1.0.0',
            'android_maintenance_mode' => '0',
            'android_playstore_url' => '',
        ];

        $mergedSettings = array_merge($defaultSettings, $settings->toArray());

        return Inertia::render('SystemSettings/Index', [
            'settings' => $mergedSettings,
        ]);
    }

    /**
     * Update the system settings.
     */
    public function update(Request $request)
    {
        abort_if(!auth()->user()->hasRole('super-admin'), 403, 'Unauthorized. Super-Admin only.');

        $validated = $request->validate([
            'settings' => 'required|array',
            'settings.app_name' => 'required|string|max:255',
            'settings.app_logo_text' => 'required|string|max:3',
            'settings.app_description' => 'nullable|string',
            'settings.allow_registration' => 'boolean',
            'settings.require_email_verification' => 'boolean',
            'settings.password_minimum_length' => 'integer|min:8',
            'settings.password_require_symbols' => 'boolean',
            'settings.password_require_numbers' => 'boolean',
            'settings.password_require_mixed_case' => 'boolean',
            
            'settings.oauth_google_enabled' => 'boolean',
            'settings.oauth_google_client_id' => 'nullable|string',
            'settings.oauth_google_client_secret' => 'nullable|string',
            'settings.oauth_github_enabled' => 'boolean',
            'settings.oauth_github_client_id' => 'nullable|string',
            'settings.oauth_github_client_secret' => 'nullable|string',
            
            'settings.mail_host' => 'nullable|string',
            'settings.mail_port' => 'nullable|string',
            'settings.mail_username' => 'nullable|string',
            'settings.mail_password' => 'nullable|string',
            'settings.mail_encryption' => 'nullable|string',
            'settings.mail_from_address' => 'nullable|email',
            'settings.mail_from_name' => 'nullable|string',
            
            'settings.primary_color' => 'required|string',

            // Mobile App Control
            'settings.android_latest_version' => 'nullable|string',
            'settings.android_min_version' => 'nullable|string',
            'settings.android_maintenance_mode' => 'boolean',
            'settings.android_playstore_url' => 'nullable|url',
            'logo_file' => 'nullable|image|max:2048',
        ]);

        $settings = $validated['settings'];

        if ($request->hasFile('logo_file')) {
            $path = $request->file('logo_file')->store('branding', 'public');
            $logoUrl = Storage::url($path);
            Setting::updateOrCreate(['key' => 'app_logo'], ['value' => $logoUrl, 'type' => 'string']);
        }

        foreach ($settings as $key => $value) {
            Setting::updateOrCreate(
                ['key' => $key],
                ['value' => (string) $value, 'type' => is_bool($value) ? 'boolean' : (is_int($value) ? 'integer' : 'string')]
            );
        }

        Cache::forget('system_settings');

        return back()->with('success', 'System configurations updated successfully.');
    }

    /**
     * Send a test email using SMTP details from the request.
     */
    public function testEmail(Request $request)
    {
        abort_if(!auth()->user()->hasRole('super-admin'), 403, 'Unauthorized. Super-Admin only.');

        $request->validate([
            'recipient' => 'required|email',
            'mail_host' => 'nullable|string',
            'mail_port' => 'nullable|string',
            'mail_username' => 'nullable|string',
            'mail_password' => 'nullable|string',
            'mail_encryption' => 'nullable|string',
            'mail_from_address' => 'nullable|email',
            'mail_from_name' => 'nullable|string',
        ]);

        try {
            // Apply SMTP settings at runtime
            config([
                'mail.default' => 'smtp',
                'mail.mailers.smtp.transport' => 'smtp',
                'mail.mailers.smtp.host' => $request->input('mail_host'),
                'mail.mailers.smtp.port' => $request->input('mail_port'),
                'mail.mailers.smtp.username' => $request->input('mail_username'),
                'mail.mailers.smtp.password' => $request->input('mail_password'),
                'mail.mailers.smtp.encryption' => $request->input('mail_encryption') ?: 'tls',
                'mail.from.address' => $request->input('mail_from_address'),
                'mail.from.name' => $request->input('mail_from_name'),
            ]);

            \Illuminate\Support\Facades\Mail::raw("Halo!\n\nIni adalah email uji coba (test email) dari sistem biiskit.\n\nJika Anda menerima email ini, berarti konfigurasi SMTP Anda berfungsi dengan baik!\n\nDetail Konfigurasi:\n- Host: " . ($request->input('mail_host') ?: '-') . "\n- Port: " . ($request->input('mail_port') ?: '-') . "\n- Sender: " . ($request->input('mail_from_address') ?: '-') . "\n\nSalam,\nAdmin biiskit", function ($message) use ($request) {
                $message->to($request->input('recipient'))
                        ->subject("Uji Coba Konfigurasi SMTP - biiskit");
            });

            return response()->json([
                'success' => true,
                'message' => 'Email uji coba telah berhasil dikirim ke ' . $request->input('recipient')
            ]);
        } catch (\Exception $e) {
            return response()->json([
                'success' => false,
                'message' => 'Gagal mengirim email uji coba. Error: ' . $e->getMessage()
            ]);
        }
    }
}