<?php

class ET_Builder_Module_Audio extends ET_Builder_Module {
	function init() {
		$this->name       = esc_html__( 'Audio', 'et_builder' );
		$this->plural     = esc_html__( 'Audios', 'et_builder' );
		$this->slug       = 'et_pb_audio';
		$this->vb_support = 'on';

		$this->main_css_element = '%%order_class%%.et_pb_audio_module';

		$this->settings_modal_toggles = array(
			'general'  => array(
				'toggles' => array(
					'main_content' => esc_html__( 'Text', 'et_builder' ),
					'audio'        => esc_html__( 'Audio', 'et_builder' ),
					'image'        => esc_html__( 'Image', 'et_builder' ),
				),
			),
			'advanced' => array(
				'toggles' => array(
					'text' => array(
						'title'    => esc_html__( 'Text', 'et_builder' ),
						'priority' => 49,
					),
					'image' => array(
						'title' => esc_html__( 'Image', 'et_builder' ),
						'priority' => 51,
					),
				),
			),
		);

		$this->advanced_fields = array(
			'fonts'                 => array(
				'title' => array(
					'label'    => esc_html__( 'Title', 'et_builder' ),
					'css'      => array(
						'main' => "{$this->main_css_element} h2, {$this->main_css_element} h1.et_pb_module_header, {$this->main_css_element} h3.et_pb_module_header, {$this->main_css_element} h4.et_pb_module_header, {$this->main_css_element} h5.et_pb_module_header, {$this->main_css_element} h6.et_pb_module_header",
						'important' => 'plugin_only',
					),
					'header_level' => array(
						'default' => 'h2',
					),
				),
				'caption'   => array(
					'label'    => esc_html__( 'Caption', 'et_builder' ),
					'css'      => array(
						'line_height' => "{$this->main_css_element} p",
						'main' => "{$this->main_css_element} p",
						'plugin_main' => "{$this->main_css_element} p, {$this->main_css_element} p strong",
					),
				),
			),
			'background'            => array(
				'settings' => array(
					'color' => 'alpha',
				),
				'css' => array(
					'important' => true,
				),
				'options' => array(
					'background_color' => array(
						'default' => et_builder_accent_color(),
					),
				),
			),
			'box_shadow'            => array(
				'default' => array(
					'css' => array(
						'overlay' => 'inset',
					),
				),
			),
			'margin_padding' => array(
				'css' => array(
					'important' => 'all',
					'padding' => '.et_pb_column %%order_class%% .et_pb_audio_module_content',
				),
			),
			'max_width'             => array(
				'css' => array(
					'module_alignment' => '%%order_class%%.et_pb_audio_module.et_pb_module',
				),
			),
			'text'                  => array(
				'use_background_layout' => true,
				'css' => array(
					'text_orientation' => '%%order_class%% .et_pb_audio_module_content',
					'text_shadow'      => '%%order_class%% .et_pb_audio_module_content',
				),
				'options' => array(
					'text_orientation'  => array(
						'default_on_front' => 'center',
					),
					'background_layout' => array(
						'default_on_front' => 'dark',
						'hover' => 'tabs',
					),
				),
			),
			'filters'               => array(
				'css' => array(
					'main' => '%%order_class%%',
				),
				'child_filters_target' => array(
					'tab_slug' => 'advanced',
					'toggle_slug' => 'image',
				),
			),
			'image'                 => array(
				'css' => array(
					'main' => '%%order_class%% .et_pb_audio_cover_art',
				),
			),
			'button'                => false,
		);

		$this->custom_css_fields = array(
			'audio_cover_art' => array(
				'label'    => esc_html__( 'Audio Cover Art', 'et_builder' ),
				'selector' => '.et_pb_audio_cover_art',
			),
			'audio_content' => array(
				'label'    => esc_html__( 'Audio Content', 'et_builder' ),
				'selector' => '.et_pb_audio_module_content',
			),
			'audio_title' => array(
				'label'    => esc_html__( 'Audio Title', 'et_builder' ),
				'selector' => '.et_pb_audio_module_content h2',
			),
			'audio_meta' => array(
				'label'    => esc_html__( 'Audio Meta', 'et_builder' ),
				'selector' => '.et_audio_module_meta',
			),
			'audio_buttons' => array(
				'label'    => esc_html__( 'Player Buttons', 'et_builder' ),
				'selector' => "{$this->main_css_element} .mejs-button.mejs-playpause-button button:before,{$this->main_css_element} .mejs-button.mejs-volume-button.mejs-mute button:before",
			),
			'audio_timer' => array(
				'label'    => esc_html__( 'Player Timer', 'et_builder' ),
				'selector' => '.mejs-time.mejs-currenttime-container.custom',
			),
			'audio_sliders' => array(
				'label'    => esc_html__( 'Player Sliders', 'et_builder' ),
				'selector' => "{$this->main_css_element} .et_audio_container .mejs-controls .mejs-time-rail .mejs-time-total,{$this->main_css_element} .et_audio_container .mejs-controls .mejs-horizontal-volume-slider .mejs-horizontal-volume-total",
			),
			'audio_sliders_current' => array(
				'label'    => esc_html__( 'Player Sliders Current', 'et_builder' ),
				'selector' => "{$this->main_css_element} .et_audio_container .mejs-controls .mejs-time-rail .mejs-time-current,{$this->main_css_element} .et_audio_container .mejs-controls .mejs-time-rail .mejs-time-handle,{$this->main_css_element} .et_audio_container .mejs-controls .mejs-horizontal-volume-slider .mejs-horizontal-volume-current,{$this->main_css_element} .et_audio_container .mejs-controls .mejs-horizontal-volume-slider .mejs-horizontal-volume-handle",
			),
		);

		$this->help_videos = array(
			array(
				'id'   => esc_html( '3bg1qUaSZ5I' ),
				'name' => esc_html__( 'An introduction to the Audio Player module', 'et_builder' ),
			),
		);
	}

	public function get_transition_fields_css_props() {
		$title     = "{$this->main_css_element} .et_pb_module_header";
		$meta      = "{$this->main_css_element} .et_audio_module_meta";
		$container = "{$this->main_css_element} .et_audio_container";

		$fields                      = parent::get_transition_fields_css_props();
		$fields['background_layout'] = array(
			'color'            => implode( ', ',
				array(
					$title,
					$meta,
					"{$container} .mejs-playpause-button button:before",
					"{$container} .mejs-volume-button button:before",
					"{$container} .mejs-container .mejs-controls .mejs-time span",
				) ),
			'background-color' => implode( ', ',
				array(
					$title,
					"{$container} .mejs-controls .mejs-horizontal-volume-slider .mejs-horizontal-volume-total",
					"{$container} .mejs-controls .mejs-time-rail .mejs-time-total",
					"{$container} .mejs-controls .mejs-horizontal-volume-slider .mejs-horizontal-volume-current",
					"{$container} .mejs-controls .mejs-time-rail .mejs-time-current",
					"{$container} .mejs-controls .mejs-horizontal-volume-slider .mejs-horizontal-volume-handle",
				) ),

		);
		$fields['text_shadow_style']         = array(
			'text-shadow' => implode( ', ',
				array(
					$title,
					$meta,
					"{$this->main_css_element} .et_audio_container .mejs-container .mejs-controls .mejs-time span",
				) ),
		);

		return $fields;
	}

	function get_fields() {
		$fields = array(
			'audio' => array(
				'label'              => esc_html__( 'Audio', 'et_builder' ),
				'type'               => 'upload',
				'option_category'    => 'basic_option',
				'data_type'          => 'audio',
				'upload_button_text' => esc_attr__( 'Upload an audio file', 'et_builder' ),
				'choose_text'        => esc_attr__( 'Choose an Audio file', 'et_builder' ),
				'update_text'        => esc_attr__( 'Set As Audio for the module', 'et_builder' ),
				'description'        => esc_html__( 'Define the audio file for use in the module. To remove an audio file from the module, simply delete the URL from the settings field.', 'et_builder' ),
				'toggle_slug'        => 'audio',
				'computed_affects'   => array(
					'__audio',
				),
			),
			'title' => array(
				'label'           => esc_html__( 'Title', 'et_builder' ),
				'type'            => 'text',
				'option_category' => 'basic_option',
				'description'     => esc_html__( 'Define a title.', 'et_builder' ),
				'toggle_slug'     => 'main_content',
			),
			'artist_name' => array(
				'label'           => esc_html__( 'Artist Name', 'et_builder' ),
				'type'            => 'text',
				'option_category' => 'basic_option',
				'description'     => esc_html__( 'Define an artist name.', 'et_builder' ),
				'toggle_slug'     => 'main_content',
			),
			'album_name' => array(
				'label'           => esc_html__( 'Album name', 'et_builder' ),
				'type'            => 'text',
				'option_category' => 'basic_option',
				'description'     => esc_html__( 'Define an album name.', 'et_builder' ),
				'toggle_slug'     => 'main_content',
			),
			'image_url' => array(
				'label'              => esc_html__( 'Cover Art Image URL', 'et_builder' ),
				'type'               => 'upload',
				'option_category'    => 'basic_option',
				'upload_button_text' => esc_attr__( 'Upload an image', 'et_builder' ),
				'choose_text'        => esc_attr__( 'Choose an Image', 'et_builder' ),
				'update_text'        => esc_attr__( 'Set As Image', 'et_builder' ),
				'description'        => esc_html__( 'Upload your desired image, or type in the URL to the image you would like to display.', 'et_builder' ),
				'toggle_slug'        => 'image',
				'computed_affects'   => array(
					'__audio',
				),
			),
			'__audio' => array(
				'type'                => 'computed',
				'computed_callback'   => array( 'ET_Builder_Module_Audio', 'get_audio' ),
				'computed_depends_on' => array(
					'audio',
				),
				'computed_minimum' => array(
					'audio',
				),
			),
		);

		return $fields;
	}

	static function get_audio( $args = array(), $conditional_tags = array(), $current_page = array() ) {
		$defaults = array(
			'audio' => '',
		);

		$args = wp_parse_args( $args, $defaults );

		// remove all filters from WP audio shortcode to make sure current theme doesn't add any elements into audio module
		remove_all_filters( 'wp_audio_shortcode_library' );
		remove_all_filters( 'wp_audio_shortcode' );
		remove_all_filters( 'wp_audio_shortcode_class' );

		return do_shortcode( sprintf( '[audio src="%s" /]', $args['audio'] ) );
	}

	function render( $attrs, $content = null, $render_slug ) {
		global $wp_version;

		$audio                           = $this->props['audio'];
		$title                           = $this->props['title'];
		$artist_name                     = $this->props['artist_name'];
		$album_name                      = $this->props['album_name'];
		$image_url                       = $this->props['image_url'];
		$background_layout               = $this->props['background_layout'];
		$background_layout_hover         = et_pb_hover_options()->get_value( 'background_layout', $this->props, 'light' );
		$header_level                    = $this->props['title_level'];

		$meta = $cover_art = '';

		$data_background_layout       = '';
		$data_background_layout_hover = '';

		if ( et_pb_hover_options()->is_enabled( 'background_layout', $this->props ) ) {
			$data_background_layout = sprintf(
				' data-background-layout="%1$s"',
				esc_attr( $background_layout )
			);
			$data_background_layout_hover = sprintf(
				' data-background-layout-hover="%1$s"',
				esc_attr( $background_layout_hover )
			);
		}

		if ( '' !== $artist_name || '' !== $album_name ) {
			if ( '' !== $artist_name && '' !== $album_name ) {
				$album_name = ' | ' . $album_name;
			}

			if ( '' !== $artist_name ) {
				$artist_name = sprintf(
					et_get_safe_localization( _x( 'by <strong>%1$s</strong>', 'Audio Module meta information', 'et_builder' ) ),
					esc_html( $artist_name )
				);
			}

			$meta = sprintf( '%1$s%2$s',
				$artist_name,
				esc_html( $album_name )
			);

			$meta = sprintf( '<p class="et_audio_module_meta">%1$s</p>', $meta );
		}

		if ( '' !== $image_url ) {
			$cover_art = sprintf(
				'<div class="et_pb_audio_cover_art" style="background-image: url(%1$s);">
				</div>',
				esc_attr( $image_url )
			);
		}

		$parallax_image_background = $this->get_parallax_image_background();

		// some themes do not include these styles/scripts so we need to enqueue them in this module
		wp_enqueue_style( 'wp-mediaelement' );
		wp_enqueue_script( 'et-builder-mediaelement' );

		// remove all filters from WP audio shortcode to make sure current theme doesn't add any elements into audio module
		remove_all_filters( 'wp_audio_shortcode_library' );
		remove_all_filters( 'wp_audio_shortcode' );
		remove_all_filters( 'wp_audio_shortcode_class' );

		$video_background = $this->video_background();

		// Module classnames
		$this->add_classname( array(
			'et_pb_audio_module',
			'clearfix',
			"et_pb_bg_layout_{$background_layout}",
		) );

		if ( 'light' === $background_layout ) {
			$this->add_classname( 'et_pb_text_color_dark' );
		}

		if ( '' === $image_url ) {
			$this->add_classname( 'et_pb_audio_no_image' );
		}

		// Remove automatically added module (backward compat)
		$this->remove_classname( $render_slug );

		// Images: Add CSS Filters and Mix Blend Mode rules (if set)
		if ( array_key_exists( 'image', $this->advanced_fields ) && array_key_exists( 'css', $this->advanced_fields['image'] ) ) {
			$this->add_classname( $this->generate_css_filters(
				$render_slug,
				'child_',
				self::$data_utils->array_get( $this->advanced_fields['image']['css'], 'main', '%%order_class%%' )
			) );
		}

		// WP 4.8 or lower compatibility
		if ( version_compare( $wp_version, '4.9' ) === -1 ) {
			$this->add_classname( 'et_pb_audio_legacy' );
		}

		$output = sprintf(
			'<div%6$s class="%4$s"%9$s%10$s>
				%8$s
				%7$s
				%5$s
				<div class="et_pb_audio_module_content et_audio_container">
					%1$s
					%2$s
					%3$s
				</div>
			</div>',
			( '' !== $title ? sprintf( '<%1$s class="et_pb_module_header">%2$s</%1$s>', et_pb_process_header_level( $header_level, 'h2' ), esc_html( $title ) ) : '' ),
			$meta,
			self::get_audio( array(
				'audio' => $audio,
			) ),
			$this->module_classname( $render_slug ),
			$cover_art,
			$this->module_id(),
			$video_background,
			$parallax_image_background,
			et_esc_previously( $data_background_layout ), // #10
			et_esc_previously( $data_background_layout_hover )
		);

		return $output;
	}
}

new ET_Builder_Module_Audio;
