<?php

namespace Modules\Authentication\Services;

use App\Mail\RestaurantOnboardingMail;
use Carbon\Carbon;
use Exception;
use GuzzleHttp\Client;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Hash;
use Illuminate\Support\Facades\Log;
use Illuminate\Support\Facades\Mail;
use Modules\Authentication\Models\Package;
use Modules\Authentication\Models\Restaurant;
use Modules\Authentication\Models\Subscription;
use Modules\Authentication\Models\SubscriptionItem;
use Modules\Authentication\Models\User;

class RestaurantSetupService
{
    /**
     * Initialize restaurant related setup including default settings, subscriptions, and domain.
     *
     * @param  array  $ownerData
     *                            Expected keys: name, email, phone, password, avatar (optional), package_id, price
     */
    public static function setup(Restaurant $restaurant, array $ownerData, bool $sendMail = true): User
    {
        // Step 1: Check if user already exists
        $user = User::where('email', $ownerData['email'])->first();

        if (! $user) {
            // Create a new user only if not exists
            $user = User::create([
                'first_name' => $ownerData['name'],
                'email' => $ownerData['email'],
                'phone' => $ownerData['phone'],
                'password' => Hash::make($ownerData['password']),
                'avatar' => $ownerData['avatar'] ?? null,
                'role_id' => 2,
                'user_type' => 'System Admin',
            ]);

            // Assign role
            $role = \Spatie\Permission\Models\Role::find(2);
            $user->assignRole($role);
        }

        // Step 2: Assign this user as restaurant owner
        $restaurant->owner_id = $user->id;
        $restaurant->save();

        // Step 3: Insert default settings
        self::insertDefaultSettings($restaurant);

        // Step 4: Create Subscription & SubscriptionItem if package_id is provided
        $package = Package::first();
        $startDate = Carbon::now()->startOfDay();
        $endDate = Carbon::now()->addDays($package->duration - 1)->endOfDay();

        // Create subscription
        $subscription = Subscription::updateOrCreate([
            'user_id' => $user->id,
            'restaurant_id' => $restaurant->id,
            'package_id' => $package->id,
        ], [
            'start_date' => $startDate,
            'end_date' => $endDate,
            'status' => 1,
        ]);

        // Create subscription item
        SubscriptionItem::updateOrCreate([
            'user_id' => $user->id,
            'restaurant_id' => $restaurant->id,
            'subscription_id' => $subscription->id,
            'package_id' => $package->id,
        ], [
            'amount' => (float) $package->price,
            'start_date' => $startDate,
            'end_date' => $endDate,
        ]);

        // Step 5: Add domain to Vercel if restaurant domain exists
        if (! empty($restaurant->domain)) {
            try {
                $vercelDomainResponse = self::addDomainToVercel($restaurant->domain);
                if (! $vercelDomainResponse['success']) {
                    Log::warning('Vercel domain add failed', [
                        'domain' => $restaurant->domain,
                        'response' => $vercelDomainResponse,
                    ]);
                }
            } catch (Exception $e) {
                Log::error('Vercel domain add exception: '.$e->getMessage());
            }
        }

        // Step 6: Send onboarding mail only if user is new
        if ($sendMail && $user->wasRecentlyCreated) {
            Mail::to($ownerData['email'])->send(new RestaurantOnboardingMail([
                'restaurant_name' => $restaurant->name,
                'restaurant_id' => $restaurant->id,
                'email' => $ownerData['email'],
                'password' => $ownerData['password'],
                'package_name' => $package->name ?? 'Trial Package',
                'trial_days' => $package->duration ?? 14,
                'trial_end_date' => now()->addDays($package->duration ?? 14)->format('Y-m-d'),
                'login_url' => url('/login'),
            ]));
        }

        return $user;
    }

    /**
     * Example placeholder for adding domain to Vercel
     *
     * @param  string  $domain
     * @return array
     */
    public static function addDomainToVercel($fullDomain)
    {
        $client = new Client;
        $projectId = get_saas_option('vercel_project_id');
        $token = get_saas_option('vercel_token');

        $url = "https://api.vercel.com/v9/projects/{$projectId}/domains";
        try {
            $response = $client->post($url, [
                'headers' => [
                    'Authorization' => 'Bearer '.$token,
                    'Content-Type' => 'application/json',
                ],
                'json' => [
                    'name' => $fullDomain,
                ],
            ]);

            return [
                'success' => true,
                'data' => json_decode($response->getBody(), true),
            ];
        } catch (\GuzzleHttp\Exception\ClientException $e) {
            return [
                'success' => false,
                'error_type' => 'client',
                'message' => $e->getMessage(),
            ];
        } catch (Exception $e) {
            return [
                'success' => false,
                'error_type' => 'general',
                'message' => $e->getMessage(),
            ];
        }
    }

    private static function insertDefaultSettings(Restaurant $restaurant)
    {
        DB::table('settings')->insert([
            ['restaurant_id' => $restaurant->id, 'type' => 'general', 'option_key' => 'restaurant_name', 'option_value' => 'Restaurant'],
            ['restaurant_id' => $restaurant->id, 'type' => 'general', 'option_key' => 'site_title', 'option_value' => 'restaurant'],
            ['restaurant_id' => $restaurant->id, 'type' => 'general', 'option_key' => 'phone', 'option_value' => ''],
            ['restaurant_id' => $restaurant->id, 'type' => 'general', 'option_key' => 'email', 'option_value' => ''],
            ['restaurant_id' => $restaurant->id, 'type' => 'general', 'option_key' => 'language', 'option_value' => 'en'],
            ['restaurant_id' => $restaurant->id, 'type' => 'general', 'option_key' => 'google_map', 'option_value' => ''],
            ['restaurant_id' => $restaurant->id, 'type' => 'general', 'option_key' => 'address', 'option_value' => ''],
            ['restaurant_id' => $restaurant->id, 'type' => 'general', 'option_key' => 'on_google_map', 'option_value' => ''],
            ['restaurant_id' => $restaurant->id, 'type' => 'general', 'option_key' => 'restaurant_code', 'option_value' => ''],
            ['restaurant_id' => $restaurant->id, 'type' => 'general', 'option_key' => 'timezone', 'option_value' => 'Asia/Dhaka'],
            ['restaurant_id' => $restaurant->id, 'type' => 'general', 'option_key' => 'currency_symbol', 'option_value' => '$'],
            ['restaurant_id' => $restaurant->id, 'type' => 'general', 'option_key' => 'mail_type', 'option_value' => 'mail'],
            ['restaurant_id' => $restaurant->id, 'type' => 'general', 'option_key' => 'logo', 'option_value' => 'logo.png'],
            ['restaurant_id' => $restaurant->id, 'type' => 'general', 'option_key' => 'disabled_website', 'option_value' => 'no'],
            ['restaurant_id' => $restaurant->id, 'type' => 'general', 'option_key' => 'copyright_text', 'option_value' => '&copy; Copyright 2025. All Rights Reserved by FueDevs LTD'],
            ['restaurant_id' => $restaurant->id, 'type' => 'general', 'option_key' => 'facebook_link', 'option_value' => 'https://www.facebook.com/'],
            ['restaurant_id' => $restaurant->id, 'type' => 'general', 'option_key' => 'google_plus_link', 'option_value' => 'https://www.google.com/'],
            ['restaurant_id' => $restaurant->id, 'type' => 'general', 'option_key' => 'youtube_link', 'option_value' => 'https://www.youtube.com/'],
            ['restaurant_id' => $restaurant->id, 'type' => 'general', 'option_key' => 'whats_app_link', 'option_value' => ''],
            ['restaurant_id' => $restaurant->id, 'type' => 'general', 'option_key' => 'twitter_link', 'option_value' => 'https://www.twitter.com'],
            ['restaurant_id' => $restaurant->id, 'type' => 'general', 'option_key' => 'eiin_code', 'option_value' => ''],
            ['restaurant_id' => $restaurant->id, 'type' => 'general', 'option_key' => 'sms_gateway', 'option_value' => 'twilio'],
            ['restaurant_id' => $restaurant->id, 'type' => 'general', 'option_key' => 'bulk_sms_api_key', 'option_value' => ''],
            ['restaurant_id' => $restaurant->id, 'type' => 'general', 'option_key' => 'bulk_sms_sender_id', 'option_value' => ''],
            ['restaurant_id' => $restaurant->id, 'type' => 'general', 'option_key' => 'twilio_sid', 'option_value' => ''],
            ['restaurant_id' => $restaurant->id, 'type' => 'general', 'option_key' => 'twilio_token', 'option_value' => ''],
            ['restaurant_id' => $restaurant->id, 'type' => 'general', 'option_key' => 'twilio_from_number', 'option_value' => ''],
            ['restaurant_id' => $restaurant->id, 'type' => 'general', 'option_key' => 'header_notice', 'option_value' => ''],
            ['restaurant_id' => $restaurant->id, 'type' => 'general', 'option_key' => 'app_version', 'option_value' => '1.0.0'],
            ['restaurant_id' => $restaurant->id, 'type' => 'general', 'option_key' => 'app_url', 'option_value' => 'drive-link'],

            // 🎨 Restaurant Identity & Display
            ['restaurant_id' => $restaurant->id, 'type' => 'general', 'option_key' => 'tagline', 'option_value' => 'Delicious Food, Fresh Taste'],
            ['restaurant_id' => $restaurant->id, 'type' => 'general', 'option_key' => 'favicon', 'option_value' => 'favicon.png'],
            ['restaurant_id' => $restaurant->id, 'type' => 'general', 'option_key' => 'theme_color', 'option_value' => '#ff6b00'],
            ['restaurant_id' => $restaurant->id, 'type' => 'general', 'option_key' => 'background_image', 'option_value' => 'bg.jpg'],

            // 💰 Finance / POS / Invoice
            ['restaurant_id' => $restaurant->id, 'type' => 'pos', 'option_key' => 'tax_type', 'option_value' => 'exclusive'],
            ['restaurant_id' => $restaurant->id, 'type' => 'pos', 'option_key' => 'tax_percentage', 'option_value' => '10'],
            ['restaurant_id' => $restaurant->id, 'type' => 'pos', 'option_key' => 'service_charge', 'option_value' => '5'],
            ['restaurant_id' => $restaurant->id, 'type' => 'pos', 'option_key' => 'default_currency', 'option_value' => 'USD'],
            ['restaurant_id' => $restaurant->id, 'type' => 'pos', 'option_key' => 'billing_prefix', 'option_value' => 'INV-'],
            ['restaurant_id' => $restaurant->id, 'type' => 'pos', 'option_key' => 'invoice_footer', 'option_value' => 'Thank you! Visit again.'],
            ['restaurant_id' => $restaurant->id, 'type' => 'pos', 'option_key' => 'enable_kitchen_print', 'option_value' => 'yes'],
            ['restaurant_id' => $restaurant->id, 'type' => 'pos', 'option_key' => 'enable_customer_copy', 'option_value' => 'yes'],

            // 🚚 Online Ordering & Delivery
            ['restaurant_id' => $restaurant->id, 'type' => 'order', 'option_key' => 'enable_online_order', 'option_value' => 'yes'],
            ['restaurant_id' => $restaurant->id, 'type' => 'order', 'option_key' => 'delivery_charge', 'option_value' => '50'],
            ['restaurant_id' => $restaurant->id, 'type' => 'order', 'option_key' => 'minimum_order_amount', 'option_value' => '100'],
            ['restaurant_id' => $restaurant->id, 'type' => 'order', 'option_key' => 'auto_accept_order', 'option_value' => 'no'],
            ['restaurant_id' => $restaurant->id, 'type' => 'order', 'option_key' => 'estimated_preparation_time', 'option_value' => '30'],

            // 🔔 Notifications / Integrations
            ['restaurant_id' => $restaurant->id, 'type' => 'integration', 'option_key' => 'slack_webhook_url', 'option_value' => ''],
            ['restaurant_id' => $restaurant->id, 'type' => 'integration', 'option_key' => 'telegram_bot_token', 'option_value' => ''],
            ['restaurant_id' => $restaurant->id, 'type' => 'integration', 'option_key' => 'telegram_chat_id', 'option_value' => ''],
            ['restaurant_id' => $restaurant->id, 'type' => 'integration', 'option_key' => 'twilio_sms_enabled', 'option_value' => 'yes'],
            ['restaurant_id' => $restaurant->id, 'type' => 'integration', 'option_key' => 'email_notifications', 'option_value' => 'yes'],
            ['restaurant_id' => $restaurant->id, 'type' => 'integration', 'option_key' => 'whatsapp_notifications', 'option_value' => 'no'],

            // 🧾 Reports & Logs
            ['restaurant_id' => $restaurant->id, 'type' => 'system', 'option_key' => 'auto_backup', 'option_value' => 'daily'],
            ['restaurant_id' => $restaurant->id, 'type' => 'system', 'option_key' => 'report_timezone', 'option_value' => 'Asia/Dhaka'],
            ['restaurant_id' => $restaurant->id, 'type' => 'system', 'option_key' => 'data_retention_days', 'option_value' => '365'],

            // 💻 UI/UX Preferences
            ['restaurant_id' => $restaurant->id, 'type' => 'ui', 'option_key' => 'sidebar_collapsed', 'option_value' => 'no'],
            ['restaurant_id' => $restaurant->id, 'type' => 'ui', 'option_key' => 'dark_mode', 'option_value' => 'no'],
            ['restaurant_id' => $restaurant->id, 'type' => 'ui', 'option_key' => 'default_dashboard', 'option_value' => 'sales'],

            // 💳 Payment Gateways
            ['restaurant_id' => $restaurant->id, 'type' => 'payment', 'option_key' => 'razorpay_key', 'option_value' => ''],
            ['restaurant_id' => $restaurant->id, 'type' => 'payment', 'option_key' => 'razorpay_secret', 'option_value' => ''],
            ['restaurant_id' => $restaurant->id, 'type' => 'payment', 'option_key' => 'stripe_key', 'option_value' => ''],
            ['restaurant_id' => $restaurant->id, 'type' => 'payment', 'option_key' => 'stripe_secret', 'option_value' => ''],
            ['restaurant_id' => $restaurant->id, 'type' => 'payment', 'option_key' => 'cash_on_delivery', 'option_value' => 'yes'],

            // 👨‍🍳 Kitchen & Staff
            ['restaurant_id' => $restaurant->id, 'type' => 'staff', 'option_key' => 'max_table_capacity', 'option_value' => '10'],
            ['restaurant_id' => $restaurant->id, 'type' => 'staff', 'option_key' => 'default_shift_start', 'option_value' => '09:00'],
            ['restaurant_id' => $restaurant->id, 'type' => 'staff', 'option_key' => 'default_shift_end', 'option_value' => '23:00'],
            ['restaurant_id' => $restaurant->id, 'type' => 'staff', 'option_key' => 'auto_logout_idle_minutes', 'option_value' => '60'],

            // 🎨 Color Combination
            ['restaurant_id' => $restaurant->id, 'type' => 'system_color', 'option_key' => 'primary_color', 'option_value' => null],
            ['restaurant_id' => $restaurant->id, 'type' => 'system_color', 'option_key' => 'secondary_color', 'option_value' => null],
            ['restaurant_id' => $restaurant->id, 'type' => 'system_color', 'option_key' => 'primary_container_color', 'option_value' => null],
            ['restaurant_id' => $restaurant->id, 'type' => 'system_color', 'option_key' => 'dark_primary_color', 'option_value' => null],
            ['restaurant_id' => $restaurant->id, 'type' => 'system_color', 'option_key' => 'dark_secondary_color', 'option_value' => null],
            ['restaurant_id' => $restaurant->id, 'type' => 'system_color', 'option_key' => 'dark_container_color', 'option_value' => null],
            ['restaurant_id' => $restaurant->id, 'type' => 'system_color', 'option_key' => 'text_color', 'option_value' => null],
            ['restaurant_id' => $restaurant->id, 'type' => 'system_color', 'option_key' => 'dark_text_color', 'option_value' => null],
            ['restaurant_id' => $restaurant->id, 'type' => 'system_color', 'option_key' => 'sidebar_selected_bg_color', 'option_value' => null],
            ['restaurant_id' => $restaurant->id, 'type' => 'system_color', 'option_key' => 'sidebar_selected_text_color', 'option_value' => null],

            // 🚚 Delivery / Online features
            ['restaurant_id' => $restaurant->id, 'type' => 'delivery', 'option_key' => 'is_online', 'option_value' => false],
            ['restaurant_id' => $restaurant->id, 'type' => 'delivery', 'option_key' => 'latitude', 'option_value' => '23.8103'],
            ['restaurant_id' => $restaurant->id, 'type' => 'delivery', 'option_key' => 'longitude', 'option_value' => '90.4125'],
            ['restaurant_id' => $restaurant->id, 'type' => 'delivery', 'option_key' => 'delivery_radius_km', 'option_value' => 5.00],
            ['restaurant_id' => $restaurant->id, 'type' => 'delivery', 'option_key' => 'delivery_fee', 'option_value' => 0],
            ['restaurant_id' => $restaurant->id, 'type' => 'delivery', 'option_key' => 'delivery_partner_count', 'option_value' => 0],
            ['restaurant_id' => $restaurant->id, 'type' => 'delivery', 'option_key' => 'delivery_time_avg', 'option_value' => 30],
            ['restaurant_id' => $restaurant->id, 'type' => 'delivery', 'option_key' => 'pickup_enabled', 'option_value' => true],

            // 🕒 Operational hours & capacity
            ['restaurant_id' => $restaurant->id, 'type' => 'operational', 'option_key' => 'opening_time', 'option_value' => '09:00:00'],
            ['restaurant_id' => $restaurant->id, 'type' => 'operational', 'option_key' => 'closing_time', 'option_value' => '22:00:00'],
            ['restaurant_id' => $restaurant->id, 'type' => 'operational', 'option_key' => 'auto_accept_orders', 'option_value' => false],
            ['restaurant_id' => $restaurant->id, 'type' => 'operational', 'option_key' => 'pre_order_enabled', 'option_value' => false],
            ['restaurant_id' => $restaurant->id, 'type' => 'operational', 'option_key' => 'max_order_capacity', 'option_value' => 50],

            // 📊 Analytics / reviews
            ['restaurant_id' => $restaurant->id, 'type' => 'analytics', 'option_key' => 'avg_rating', 'option_value' => 0.00],
            ['restaurant_id' => $restaurant->id, 'type' => 'analytics', 'option_key' => 'review_count', 'option_value' => 0],
            ['restaurant_id' => $restaurant->id, 'type' => 'analytics', 'option_key' => 'total_orders', 'option_value' => 0],
            ['restaurant_id' => $restaurant->id, 'type' => 'analytics', 'option_key' => 'last_order_time', 'option_value' => null],
            ['restaurant_id' => $restaurant->id, 'type' => 'analytics', 'option_key' => 'last_active_time', 'option_value' => null],

            // 🎯 Marketing & social
            ['restaurant_id' => $restaurant->id, 'type' => 'marketing', 'option_key' => 'loyalty_points_enabled', 'option_value' => false],
            ['restaurant_id' => $restaurant->id, 'type' => 'marketing', 'option_key' => 'offers_enabled', 'option_value' => false],
            ['restaurant_id' => $restaurant->id, 'type' => 'marketing', 'option_key' => 'social_media_links', 'option_value' => json_encode([
                'facebook' => '',
                'instagram' => '',
                'twitter' => '',
                'linkedin' => '',
            ])],

            // 💻 Future-proof / extra
            ['restaurant_id' => $restaurant->id, 'type' => 'system', 'option_key' => 'settings', 'option_value' => json_encode([])],
            ['restaurant_id' => $restaurant->id, 'type' => 'system', 'option_key' => 'uuid', 'option_value' => uniqid('rest_')],

            ['restaurant_id' => $restaurant->id, 'type' => 'email_config', 'option_key' => 'email_smtp_host', 'option_value' => null],
            ['restaurant_id' => $restaurant->id, 'type' => 'email_config', 'option_key' => 'email_smtp_port', 'option_value' => null],
            ['restaurant_id' => $restaurant->id, 'type' => 'email_config', 'option_key' => 'email_smtp_username', 'option_value' => null],
            ['restaurant_id' => $restaurant->id, 'type' => 'email_config', 'option_key' => 'email_smtp_password', 'option_value' => null],
            ['restaurant_id' => $restaurant->id, 'type' => 'email_config', 'option_key' => 'email_smtp_encryption', 'option_value' => null],

            // SMS Config
            ['restaurant_id' => $restaurant->id, 'type' => 'sms_config', 'option_key' => 'twilio_api_key', 'option_value' => null],
            ['restaurant_id' => $restaurant->id, 'type' => 'sms_config', 'option_key' => 'twilio_api_secret', 'option_value' => null],
            ['restaurant_id' => $restaurant->id, 'type' => 'sms_config', 'option_key' => 'twilio_sender_id', 'option_value' => null],
            ['restaurant_id' => $restaurant->id, 'type' => 'sms_config', 'option_key' => 'twilio_api_url', 'option_value' => null],
            ['restaurant_id' => $restaurant->id, 'type' => 'sms_config', 'option_key' => 'twilio_is_default', 'option_value' => null],
            ['restaurant_id' => $restaurant->id, 'type' => 'sms_config', 'option_key' => 'nexmo_api_key', 'option_value' => null],
            ['restaurant_id' => $restaurant->id, 'type' => 'sms_config', 'option_key' => 'nexmo_api_secret', 'option_value' => null],
            ['restaurant_id' => $restaurant->id, 'type' => 'sms_config', 'option_key' => 'nexmo_sender_id', 'option_value' => null],
            ['restaurant_id' => $restaurant->id, 'type' => 'sms_config', 'option_key' => 'nexmo_api_url', 'option_value' => null],
            ['restaurant_id' => $restaurant->id, 'type' => 'sms_config', 'option_key' => 'nexmo_is_default', 'option_value' => null],
            ['restaurant_id' => $restaurant->id, 'type' => 'sms_config', 'option_key' => 'muthofun_api_key', 'option_value' => null],
            ['restaurant_id' => $restaurant->id, 'type' => 'sms_config', 'option_key' => 'smsglobal_api_key', 'option_value' => null],
            ['restaurant_id' => $restaurant->id, 'type' => 'sms_config', 'option_key' => 'smsglobal_api_secret', 'option_value' => null],
            ['restaurant_id' => $restaurant->id, 'type' => 'sms_config', 'option_key' => 'smsglobal_sender_id', 'option_value' => null],
            ['restaurant_id' => $restaurant->id, 'type' => 'sms_config', 'option_key' => 'smsglobal_api_url', 'option_value' => null],
            ['restaurant_id' => $restaurant->id, 'type' => 'sms_config', 'option_key' => 'smsglobal_extra_key', 'option_value' => null],
            ['restaurant_id' => $restaurant->id, 'type' => 'sms_config', 'option_key' => 'smsglobal_is_default', 'option_value' => null],
        ]);
    }
}