<?php

/**
 * A module that adds a simple subscribe form to your layout
 * with third party optin integration.
 *
 * @since 1.5.2
 */
class FLSubscribeFormModule extends FLBuilderModule {

	/**
	 * @since 1.5.2
	 * @return void
	 */
	public function __construct()
	{
		parent::__construct( array(
			'name'          	=> __( 'Subscribe Form', 'fl-builder' ),
			'description'   	=> __( 'Adds a simple subscribe form to your layout.', 'fl-builder' ),
			'category'      	=> __( 'Advanced Modules', 'fl-builder' ),
			'editor_export' 	=> false,
			'partial_refresh'	=> true
		));

		add_action( 'wp_ajax_fl_builder_subscribe_form_submit', array( $this, 'submit' ) );
		add_action( 'wp_ajax_nopriv_fl_builder_subscribe_form_submit', array( $this, 'submit' ) );
		add_filter( 'script_loader_tag', array( $this, 'add_async_attribute' ), 10, 2 );
	}

	/**
	 * @method enqueue_scripts
	 */
	public function enqueue_scripts()
	{
		$settings = $this->settings;
		if ( isset($settings->show_recaptcha) && $settings->show_recaptcha == 'show'
			&& isset($settings->recaptcha_site_key) && !empty($settings->recaptcha_site_key)
			){

			$site_lang = substr( get_locale(), 0, 2 );
			$post_id    = FLBuilderModel::get_post_id();

			$this->add_js(
				'g-recaptcha',
				'https://www.google.com/recaptcha/api.js?onload=onLoadFLReCaptcha&render=explicit&hl='.$site_lang,
				array('fl-builder-layout-'. $post_id),
				'2.0',
				true
			);
		}
	}

	/**
	 * @method  add_async_attribute for the enqueued `g-recaptcha` script
	 * @param string $tag    Script tag
	 * @param string $handle Registered script handle
	 */
	public function add_async_attribute($tag, $handle) {
		if ( ('g-recaptcha' !== $handle) || ('g-recaptcha' === $handle && strpos($tag, 'g-recaptcha-api') !== false ) ) {
	        return $tag;
		}

	    return str_replace( ' src', ' id="g-recaptcha-api" async="async" defer="defer" src', $tag );
	}

	/**
	 * Called via AJAX to submit the subscribe form.
	 *
	 * @since 1.5.2
	 * @return string The JSON encoded response.
	 */
	public function submit()
	{
		$name       		= isset( $_POST['name'] ) ? sanitize_text_field( $_POST['name'] ) : false;
		$email      		= isset( $_POST['email'] ) ? sanitize_email( $_POST['email'] ) : false;
		$recaptcha     		= isset( $_POST['recaptcha'] ) ? $_POST['recaptcha'] : false;
		$post_id     		= isset( $_POST['post_id'] ) ? $_POST['post_id'] : false;
		$node_id    		= isset( $_POST['node_id'] ) ? sanitize_text_field( $_POST['node_id'] ) : false;
		$template_id    	= isset( $_POST['template_id'] ) ? sanitize_text_field( $_POST['template_id'] ) : false;
		$template_node_id   = isset( $_POST['template_node_id'] ) ? sanitize_text_field( $_POST['template_node_id'] ) : false;
		$result    			= array(
			'action'    		=> false,
			'error'     		=> false,
			'message'   		=> false,
			'url'       		=> false
		);

		if ( $email && $node_id ) {

			// Get the module settings.
			if ( $template_id ) {
				$post_id  = FLBuilderModel::get_node_template_post_id( $template_id );
				$data	  = FLBuilderModel::get_layout_data( 'published', $post_id );
				$settings = $data[ $template_node_id ]->settings;
			}
			else {
				$module   = FLBuilderModel::get_module( $node_id );
				$settings = $module->settings;
			}

			// Validate reCAPTCHA first if enabled
			if ( $recaptcha ) {

				if ( !empty($settings->recaptcha_secret_key) && !empty($settings->recaptcha_site_key) ) {
					if ( version_compare( phpversion(), '5.3', '>=' ) ) {
						include $module->dir . 'includes/validate-recaptcha.php';
					}
					else {
						$result['error'] = false;
					}
				}
				else {
					$result['error'] = __('Your reCAPTCHA Site or Secret Key is missing!', 'fl-builder');
				}
			}

			if ( ! $result['error'] ) {

				// Subscribe.
				$instance = FLBuilderServices::get_service_instance( $settings->service );
				$response = $instance->subscribe( $settings, $email, $name );

				// Check for an error from the service.
				if ( $response['error'] ) {
					$result['error'] = $response['error'];
				}
				// Setup the success data.
				else {

					$result['action'] = $settings->success_action;

					if ( 'message' == $settings->success_action ) {
						$result['message']  = $settings->success_message;
					}
					else {
						$result['url']  = $settings->success_url;
					}

				}

				do_action( 'fl_builder_subscribe_form_submission_complete', $response, $settings, $email, $name, $template_id, $post_id );
			}

		}
		else {
			$result['error'] = __( 'There was an error subscribing. Please try again.', 'fl-builder' );
		}

		echo json_encode( $result );

		die();
	}
}

/**
 * Register the module and its form settings.
 */
FLBuilder::register_module( 'FLSubscribeFormModule', array(
	'general'       => array(
		'title'         => __( 'General', 'fl-builder' ),
		'sections'      => array(
			'service'       => array(
				'title'         => '',
				'file'          => FL_BUILDER_DIR . 'includes/service-settings.php',
				'services'      => 'autoresponder'
			),
			'structure'        => array(
				'title'         => __( 'Structure', 'fl-builder' ),
				'fields'        => array(
					'layout'        => array(
						'type'          => 'select',
						'label'         => __( 'Layout', 'fl-builder' ),
						'default'       => 'stacked',
						'options'       => array(
							'stacked'       => __( 'Stacked', 'fl-builder' ),
							'inline'        => __( 'Inline', 'fl-builder' ),
						)
					),
					'show_name'     => array(
						'type'          => 'select',
						'label'         => __( 'Name Field', 'fl-builder' ),
						'default'       => 'show',
						'options'       => array(
							'show'          => __( 'Show', 'fl-builder' ),
							'hide'          => __( 'Hide', 'fl-builder' ),
						)
					)
				)
			),
			'success'       => array(
				'title'         => __( 'Success', 'fl-builder' ),
				'fields'        => array(
					'custom_subject' => array(
						'type'        => 'text',
						'label'       => __( 'Notification Subject', 'fl-builder' ),
						'placeholder' => __( 'Subscribe Form Signup', 'fl-builder' ),
					),
					'success_action' => array(
						'type'          => 'select',
						'label'         => __( 'Success Action', 'fl-builder' ),
						'options'       => array(
							'message'       => __( 'Show Message', 'fl-builder' ),
							'redirect'      => __( 'Redirect', 'fl-builder' )
						),
						'toggle'        => array(
							'message'       => array(
								'fields'        => array( 'success_message' )
							),
							'redirect'      => array(
								'fields'        => array( 'success_url' )
							)
						),
						'preview'       => array(
							'type'             => 'none'
						)
					),
					'success_message' => array(
						'type'          => 'editor',
						'label'         => '',
						'media_buttons' => false,
						'rows'          => 8,
						'default'       => __( 'Thanks for subscribing! Please check your email for further instructions.', 'fl-builder' ),
						'preview'       => array(
							'type'             => 'none'
						),
						'connections'   => array( 'string' )
					),
					'success_url'  => array(
						'type'          => 'link',
						'label'         => __( 'Success URL', 'fl-builder' ),
						'preview'       => array(
							'type'             => 'none'
						),
						'connections'   => array( 'url' )
					)
				)
			)
		)
	),
	'button'        => array(
		'title'         => __( 'Button', 'fl-builder' ),
		'sections'      => array(
			'btn_general'   => array(
				'title'         => '',
				'fields'        => array(
					'btn_text'      => array(
						'type'          => 'text',
						'label'         => __( 'Button Text', 'fl-builder' ),
						'default'       => __( 'Subscribe!', 'fl-builder' )
					),
					'btn_icon'      => array(
						'type'          => 'icon',
						'label'         => __( 'Button Icon', 'fl-builder' ),
						'show_remove'   => true
					),
					'btn_icon_position' => array(
						'type'          => 'select',
						'label'         => __('Icon Position', 'fl-builder'),
						'default'       => 'before',
						'options'       => array(
							'before'        => __('Before Text', 'fl-builder'),
							'after'         => __('After Text', 'fl-builder')
						)
					),
					'btn_icon_animation' => array(
						'type'          => 'select',
						'label'         => __('Icon Visibility', 'fl-builder'),
						'default'       => 'disable',
						'options'       => array(
							'disable'        => __('Always Visible', 'fl-builder'),
							'enable'         => __('Fade In On Hover', 'fl-builder')
						)
					)
				)
			),
			'btn_colors'     => array(
				'title'         => __( 'Button Colors', 'fl-builder' ),
				'fields'        => array(
					'btn_bg_color'  => array(
						'type'          => 'color',
						'label'         => __( 'Background Color', 'fl-builder' ),
						'default'       => '',
						'show_reset'    => true
					),
					'btn_bg_hover_color' => array(
						'type'          => 'color',
						'label'         => __( 'Background Hover Color', 'fl-builder' ),
						'default'       => '',
						'show_reset'    => true,
						'preview'       => array(
							'type'          => 'none'
						)
					),
					'btn_text_color' => array(
						'type'          => 'color',
						'label'         => __( 'Text Color', 'fl-builder' ),
						'default'       => '',
						'show_reset'    => true
					),
					'btn_text_hover_color' => array(
						'type'          => 'color',
						'label'         => __( 'Text Hover Color', 'fl-builder' ),
						'default'       => '',
						'show_reset'    => true,
						'preview'       => array(
							'type'          => 'none'
						)
					)
				)
			),
			'btn_style'     => array(
				'title'         => __( 'Button Style', 'fl-builder' ),
				'fields'        => array(
					'btn_style'     => array(
						'type'          => 'select',
						'label'         => __( 'Style', 'fl-builder' ),
						'default'       => 'flat',
						'options'       => array(
							'flat'          => __( 'Flat', 'fl-builder' ),
							'gradient'      => __( 'Gradient', 'fl-builder' ),
							'transparent'   => __( 'Transparent', 'fl-builder' )
						),
						'toggle'        => array(
							'transparent'   => array(
								'fields'        => array( 'btn_bg_opacity', 'btn_bg_hover_opacity', 'btn_border_size' )
							)
						)
					),
					'btn_border_size' => array(
						'type'          => 'text',
						'label'         => __( 'Border Size', 'fl-builder' ),
						'default'       => '2',
						'description'   => 'px',
						'maxlength'     => '3',
						'size'          => '5',
						'placeholder'   => '0'
					),
					'btn_bg_opacity' => array(
						'type'          => 'text',
						'label'         => __( 'Background Opacity', 'fl-builder' ),
						'default'       => '0',
						'description'   => '%',
						'maxlength'     => '3',
						'size'          => '5',
						'placeholder'   => '0'
					),
					'btn_bg_hover_opacity' => array(
						'type'          => 'text',
						'label'         => __('Background Hover Opacity', 'fl-builder'),
						'default'       => '0',
						'description'   => '%',
						'maxlength'     => '3',
						'size'          => '5',
						'placeholder'   => '0'
					),
					'btn_button_transition' => array(
						'type'          => 'select',
						'label'         => __('Transition', 'fl-builder'),
						'default'       => 'disable',
						'options'       => array(
							'disable'        => __('Disabled', 'fl-builder'),
							'enable'         => __('Enabled', 'fl-builder')
						)
					)
				)
			),
			'btn_structure' => array(
				'title'         => __( 'Button Structure', 'fl-builder' ),
				'fields'        => array(
					'btn_font_size' => array(
						'type'          => 'text',
						'label'         => __( 'Font Size', 'fl-builder' ),
						'default'       => '14',
						'maxlength'     => '3',
						'size'          => '4',
						'description'   => 'px'
					),
					'btn_padding'   => array(
						'type'          => 'text',
						'label'         => __( 'Padding', 'fl-builder' ),
						'default'       => '10',
						'maxlength'     => '3',
						'size'          => '4',
						'description'   => 'px'
					),
					'btn_border_radius' => array(
						'type'          => 'text',
						'label'         => __( 'Round Corners', 'fl-builder' ),
						'default'       => '4',
						'maxlength'     => '3',
						'size'          => '4',
						'description'   => 'px'
					)
				)
			)
		)
	),
	'reCAPTCHA'	=> array(
		'title'         => __( 'reCAPTCHA', 'fl-builder' ),
		'sections'      => array(
			'recaptcha_general' => array(
				'title'         => '',
				'fields'        => array(
					'show_recaptcha'     => array(
						'type'          => 'select',
						'label'         => __( 'reCAPTCHA Field', 'fl-builder' ),
						'default'       => 'hide',
						'options'       => array(
							'show'          => __( 'Show', 'fl-builder' ),
							'hide'          => __( 'Hide', 'fl-builder' ),
						),
						'help' 			=> __('If you want to show this field, please provide valid Site and Secret Keys.', 'fl-builder')
					),
					'recaptcha_site_key'	=> array(
						'type'					=> 'text',
						'label' 				=> __('Site Key', 'fl-builder'),
						'default'       		=> '',
						'preview'      		 	=> array(
							'type'          		=> 'none'
						)
					),
					'recaptcha_secret_key'	=> array(
						'type'					=> 'text',
						'label' 				=> __('Secret Key', 'fl-builder'),
						'default'       		=> '',
						'preview'       		=> array(
							'type'          		=> 'none'
						)
					)
				),
			)
		),
		'description'   => sprintf( __( 'Please register keys for your website at the <a%s>Google Admin Console</a>', 'fl-builder' ), ' href="https://www.google.com/recaptcha/admin" target="_blank"' ),
	)
));
