<?php

namespace BookneticSaaS\Providers\Core;

use BookneticSaaS\Models\TenantBilling;
use BookneticSaaS\Models\Tenant;
use BookneticSaaS\Integrations\PaymentGateways\Paypal;
use BookneticSaaS\Integrations\PaymentGateways\Stripe;
use BookneticApp\Providers\DB\DB;
use BookneticSaaS\Models\TenantFormInputChoice;
use BookneticSaaS\Providers\Helpers\Helper;
use WP_Query;

class Frontend
{

	const FRONT_DIR		= __DIR__ . DIRECTORY_SEPARATOR . '..' . DIRECTORY_SEPARATOR . '..' . DIRECTORY_SEPARATOR . 'Frontend' . DIRECTORY_SEPARATOR;
	const VIEW_DIR		= __DIR__ . DIRECTORY_SEPARATOR . '..' . DIRECTORY_SEPARATOR . '..' . DIRECTORY_SEPARATOR . 'Frontend' . DIRECTORY_SEPARATOR . 'view' . DIRECTORY_SEPARATOR;

	public static function init()
	{
		do_action( 'bkntcsaas_frontend' );

		self::initAjaxRequests();

		add_filter( 'the_posts', [ static::class, 'tenantBookingPage' ], 10, 2 );
		add_filter( 'the_posts', [ static::class, 'tenantChangeStatusPage' ], 10, 2 );

		if( !(defined('DOING_AJAX') && DOING_AJAX) )
		{
			self::addShortcodes();
		}

		self::checkSaaSActions();
	}

	public static function initAjaxRequests( $class = false )
	{
		$controllerClass = $class !== false ? $class : \BookneticSaaS\Frontend\Controller\Ajax::class;
		$methods = get_class_methods( $controllerClass );
		$actionPrefix = (is_user_logged_in() ? 'wp_ajax_' : 'wp_ajax_nopriv_') . 'bkntcsaas_';
		$controllerClass = new $controllerClass();

		foreach( $methods AS $method )
		{
			// break helper methods
			if( strpos( $method, '_' ) === 0 )
				continue;

			add_action( $actionPrefix . $method, function () use ( $controllerClass, $method )
			{
                /*doit add_action()*/
				do_action( "bkntcsaas_before_" . $method );

				$result = call_user_func( [ $controllerClass, $method ] );

				if( is_array( $result ) )
				{
					echo json_encode( $result );
				}
				else
				{
					echo $result;
				}

				exit();
			});
		}
	}

	private static function checkSaaSActions()
	{
		$action = Helper::_get( 'booknetic_saas_action', '', 'string' );

		switch ( $action )
		{
			case 'paypal_confirm':
				self::paypalConfirm();
				break;
			case 'paypal_webhook':
				self::paypalWebhook();
				break;
			case 'stripe_confirm':
				self::stripeConfirm();
				break;
			case 'stripe_webhook':
				self::stripeWebhook();
				break;
		}
	}

	private static function paypalConfirm()
	{
		$token     = Helper::_get( 'token', '', 'string' );
		$billingId = Helper::_get( 'billing_id', 0, 'int' );

		if( empty( $token ) || $billingId <= 0 )
		{
			Helper::redirect( admin_url( 'admin.php?page=' . \BookneticApp\Providers\Helpers\Helper::getSlugName() . '&module=billing&payment_status=cancel' ) );
			return;
		}

		$payment = new Paypal();

		$payment->setId( $billingId );

		$result = $payment->executeAgreement( $token );

		if( $result[ 'status' ] === true )
		{
			Tenant::billingStatusUpdate( $billingId, $result[ 'id' ] );

			Helper::redirect( admin_url( 'admin.php?page=' . \BookneticApp\Providers\Helpers\Helper::getSlugName() . '&module=billing&payment_status=success') );
			return;
		}

		TenantBilling::noTenant()->where( 'id', $billingId )->update( [
			'status' => 'canceled',
			'error'  => $result[ 'message' ]
		] );

		Helper::redirect( admin_url( 'admin.php?page=' . \BookneticApp\Providers\Helpers\Helper::getSlugName() . '&module=billing&payment_status=cancel' ) );
	}

	private static function paypalWebhook()
	{
		$paypal = new Paypal();

		$paypal->webhook();

		exit();
	}

	private static function stripeConfirm()
	{
		$sessionId = Helper::_get( 'bkntc_session_id', '', 'string' );

		if( empty( $sessionId ) )
		{
			Helper::redirect( admin_url( 'admin.php?page=' . \BookneticApp\Providers\Helpers\Helper::getSlugName() . '&module=billing&payment_status=cancel' ) );
			return;
		}

		$payment = new Stripe();
		$result  = $payment->checkSession( $sessionId );

		if( $result[ 'status' ] === true )
		{
			Tenant::billingStatusUpdate( $result[ 'billing_id' ], $result[ 'subscription' ] );

			Helper::redirect( admin_url( 'admin.php?page=' . \BookneticApp\Providers\Helpers\Helper::getSlugName() . '&module=billing&payment_status=success' ) );
			return;
		}

		Helper::redirect( admin_url( 'admin.php?page=' . \BookneticApp\Providers\Helpers\Helper::getSlugName() . '&module=billing&payment_status=cancel' ) );
	}

	private static function stripeWebhook()
	{
		$stripe = new Stripe();

		$stripe->webhook();

		exit();
	}

	private static function addShortcodes()
	{
		add_shortcode('booknetic-saas-signin', function( $atts )
		{
			wp_enqueue_script( 'booknetic-saas', Helper::assets('js/booknetic-saas-signin.js', 'front-end'), [ 'jquery' ] );

			if( Permission::userId() > 0 && ! ( isset($_GET['bkntc_saas_preview']) || isset($_GET['elementor-preview']) ) )
			{
				$redirectToUrl = Helper::getURLOfUsersDashboard();
				wp_add_inline_script( 'booknetic-saas', 'location.href="' . $redirectToUrl . '";' );
				return bkntcsaas__('You are already signed in. Please wait, you are being redirected...');
			}

			wp_enqueue_style('Booknetic-font', '//fonts.googleapis.com/css?family=Poppins:200,200i,300,300i,400,400i,500,500i,600,600i,700&display=swap');
			wp_enqueue_style('booknetic-saas-signin', Helper::assets('css/booknetic-saas-signin.css', 'front-end'));

			wp_localize_script( 'booknetic-saas', 'BookneticSaaSData', [
				'ajax_url'		    => admin_url( 'admin-ajax.php' ),
				'assets_url'	    => Helper::assets('/', 'front-end') ,
				'localization'      => []
			]);

			return self::view('signin');
		});

		add_shortcode('booknetic-saas-signup', function( $atts )
		{
			wp_enqueue_script( 'select2-booknetic-saas', Helper::assets('js/select2.min.js'), ['jquery']);
			wp_enqueue_script( 'booknetic-saas', Helper::assets('js/booknetic-saas-signup.js', 'front-end'), [ 'jquery' ] );

			if( Permission::userId() > 0 && ! ( isset($_GET['bkntc_saas_preview']) || isset($_GET['elementor-preview']) ) )
			{
				$redirectToUrl = Helper::getURLOfUsersDashboard();
				wp_add_inline_script( 'booknetic-saas', 'location.href="' . $redirectToUrl . '";' );
				return bkntcsaas__('You are already signed in. Please wait, you are being redirected...');
			}

			$activation_token = Helper::_get('activation_token', '', 'string');

			if( !empty( $activation_token ) )
			{
				wp_enqueue_script( 'datepicker-booknetic-saas', Helper::assets('js/datepicker.min.js', 'front-end'), [ 'jquery' ] );
				wp_enqueue_script( 'booknetic-saas', Helper::assets('js/booknetic-saas-signup.js', 'front-end'), [ 'jquery' ] );

				$tenantInfo = Tenant::where('activation_token', $activation_token)->fetch();
				if( !$tenantInfo )
				{
					wp_add_inline_script( 'booknetic-saas', 'location.href="' . htmlspecialchars(site_url()) . '";' );
					return bkntcsaas__('Redirecting...');
				}

				wp_localize_script( 'booknetic-saas', 'BookneticSaaSData', [
					'ajax_url'		    => admin_url( 'admin-ajax.php' ),
					'date_format'	    => Helper::getOption('date_format', 'Y-m-d'),
					'assets_url'	    => Helper::assets('/', 'front-end') ,
					'localization'      => []
				]);

				wp_enqueue_style('Booknetic-font', '//fonts.googleapis.com/css?family=Poppins:200,200i,300,300i,400,400i,500,500i,600,600i,700&display=swap');
				wp_enqueue_style('select2-bootstrap', Helper::assets('css/select2-bootstrap.css'));
				wp_enqueue_style('booknetic-select2', Helper::assets('css/select2.css'));
				wp_enqueue_style('booknetic-saas-signup', Helper::assets('css/booknetic-saas-signup.css', 'front-end'));
				wp_enqueue_style('booknetic.datapicker', Helper::assets('css/datepicker.min.css', 'front-end'));
				

				$customData = DB::DB()->get_results(
					'
						SELECT 
							*
						FROM `'.DB::table('tenant_form_inputs').'` tb1
						ORDER BY tb1.order_number',
					ARRAY_A
				);
		
				foreach ( $customData AS $fKey => $formInput )
				{
					if( in_array( $formInput['type'], ['select', 'checkbox', 'radio'] ) )
					{
						$choicesList = TenantFormInputChoice::where('form_input_id', (int)$formInput['id'])->orderBy('order_number')->fetchAll();
		
						$customData[ $fKey ]['choices'] = [];
		
						foreach( $choicesList AS $choiceInf )
						{
							$customData[ $fKey ]['choices'][] = [ (int)$choiceInf['id'], htmlspecialchars($choiceInf['title']) ];
						}
					}
				}

				return self::view('signup_complete', [
					'activation_token'	=>	$activation_token,
					'custom_fields'		=>  $customData
				]);
			}

			wp_localize_script( 'booknetic-saas', 'BookneticSaaSData', [
				'ajax_url'		    => admin_url( 'admin-ajax.php' ),
				'assets_url'	    => Helper::assets('/', 'front-end') ,
				'localization'      => []
			]);

			wp_enqueue_style('Booknetic-font', '//fonts.googleapis.com/css?family=Poppins:200,200i,300,300i,400,400i,500,500i,600,600i,700&display=swap');
			wp_enqueue_style('booknetic-saas-signup', Helper::assets('css/booknetic-saas-signup.css', 'front-end'));

            if( Helper::getOption( 'google_recaptcha', 'off', false ) == 'on' )
            {
                $siteKey = Helper::getOption( 'google_recaptcha_site_key', '', false );
                $secretKey = Helper::getOption( 'google_recaptcha_secret_key', '', false );

                if( ! empty( $siteKey ) && ! empty( $secretKey ) )
                {
                    wp_enqueue_script( 'google-recaptcha', 'https://www.google.com/recaptcha/api.js?render=' . urlencode( $siteKey ) );

                    wp_localize_script( 'booknetic-saas', 'ReCaptcha', [ 'google_recaptcha_site_key' => $siteKey ] );
                }
            }

			return self::view('signup');
		});

		add_shortcode('booknetic-saas-forgot-password', function( $atts )
		{
			wp_enqueue_script( 'booknetic-saas', Helper::assets('js/booknetic-saas-forgot-password.js', 'front-end'), [ 'jquery' ] );

			if( Permission::userId() > 0 && ! ( isset($_GET['bkntc_saas_preview']) || isset($_GET['elementor-preview']) ) )
			{
				$redirectToUrl = Helper::getURLOfUsersDashboard();
				wp_add_inline_script( 'booknetic-saas', 'location.href="' . $redirectToUrl . '";' );
				return bkntcsaas__('You are already signed in. Please wait, you are being redirected...');
			}

			$activation_token = Helper::_get('token', '', 'string');

			if( !empty( $activation_token ) )
			{
				wp_enqueue_script( 'booknetic-saas', Helper::assets('js/booknetic-saas-forgot-password.js', 'front-end'), [ 'jquery' ] );

				$tenantInfo = Tenant::where('activation_token', $activation_token)->fetch();
				if( !$tenantInfo )
				{
					wp_add_inline_script( 'booknetic-saas', 'location.href="' . htmlspecialchars(site_url()) . '";' );
					return bkntcsaas__('Redirecting...');
				}

				wp_localize_script( 'booknetic-saas', 'BookneticSaaSData', [
					'ajax_url'		    => admin_url( 'admin-ajax.php' ),
					'assets_url'	    => Helper::assets('/', 'front-end') ,
					'localization'      => []
				]);

				wp_enqueue_style('Booknetic-font', '//fonts.googleapis.com/css?family=Poppins:200,200i,300,300i,400,400i,500,500i,600,600i,700&display=swap');
				wp_enqueue_style('booknetic-saas-forgot-password', Helper::assets('css/booknetic-saas-forgot-password.css', 'front-end'));

				return self::view('forgot_password_complete', [
					'activation_token'	=>	$activation_token
				]);
			}

			wp_localize_script( 'booknetic-saas', 'BookneticSaaSData', [
				'ajax_url'		    => admin_url( 'admin-ajax.php' ),
				'assets_url'	    => Helper::assets('/', 'front-end') ,
				'localization'      => []
			]);

			wp_enqueue_style('Booknetic-font', '//fonts.googleapis.com/css?family=Poppins:200,200i,300,300i,400,400i,500,500i,600,600i,700&display=swap');
			wp_enqueue_style('booknetic-saas-forgot-password', Helper::assets('css/booknetic-saas-forgot-password.css', 'front-end'));

			return self::view('forgot_password');
		});
	}

	private static function view( $name, $parameters = [] )
	{
		ob_start();
		require self::FRONT_DIR . 'view' . DIRECTORY_SEPARATOR . $name . '.php';

		return ob_get_clean();
	}

    public static function tenantChangeStatusPage ( array $posts, WP_Query $query ): array
    {
	    if ( ! $query->is_main_query() )
		    return $posts;

	    $changeStatusPageID = Helper::getOption('change_status_page_id');

        foreach ( $posts AS $postInf )
        {
            if( $changeStatusPageID != $postInf->ID )
				continue;

	        add_filter( 'template_include', fn ( $page_template ) =>
		        self::VIEW_DIR . 'iframe.php', PHP_INT_MAX );
        }

        return $posts;
    }

	public static function tenantBookingPage( array $posts, WP_Query $query ): array
	{
        $bookingPageId = Helper::getOption( 'booking_page', '' );

        $posts = array_filter( $posts, fn( $post ) => $bookingPageId != $post->ID || ! apply_filters( "bkntcsaas_booking_page_redirect", $bookingPageId ) );

        if ( ! $query->is_main_query() )
            return $posts;

		$currentDomain = Helper::getCurrentDomain();

		if( empty( $currentDomain ) )
			return $posts;

		$tenant = Tenant::where( 'domain', $currentDomain )->fetch();

		if( ! $tenant )
			return $posts;

		// check this action later...
		remove_action( 'template_redirect', 'redirect_canonical' );

		\BookneticApp\Providers\Core\Permission::setTenantId( $tenant->id );

		$iframe = Helper::_get( 'iframe', '0', 'int' );

		if( $iframe === 1 )
		{
			add_filter( 'template_include', fn ( $page_template ) =>
				self::VIEW_DIR . 'iframe.php', PHP_INT_MAX );
		}

		global $wp_query;

		unset( $wp_query->query[ 'error' ] );

		$wp_query->is_page     = true;
		$wp_query->is_singular = true;
		$wp_query->is_home     = false;
		$wp_query->is_archive  = false;
		$wp_query->is_category = false;
		$wp_query->is_404      = false;

		$wp_query->query_vars[ 'error' ] = '';

		return [ get_post( $bookingPageId ) ];
	}

}