<?php
/**
 * View Slideshow Mode class.
 *
 * @since 2.16.0
 */

// Exit if accessed directly
if ( ! defined( 'ABSPATH' ) ) exit;

if ( ! class_exists( 'Strong_View_Slideshow' ) ) :

class Strong_View_Slideshow extends Strong_View_Display {

	/**
	 * Strong_View constructor.
	 *
	 * @param array $atts
	 */
	public function __construct( $atts = array() ) {
		parent::__construct( $atts );
	}

	/**
	 * Process the view.
	 *
	 * Used by main class to load the scripts and styles for this View.
	 */
	public function process() {
		$this->build_query();
		$this->build_classes();

		$this->find_stylesheet();
		$this->has_slideshow();
		$this->has_stars();
		$this->has_readmore();
                $this->has_lazyload();

		$this->load_extra_stylesheets();

		// If we can preprocess, we can add the inline style in the <head>.
		add_action( 'wp_enqueue_scripts', array( $this, 'add_custom_style' ), 20 );

		wp_reset_postdata();
	}

	/**
	 * Build the view.
	 */
	public function build() {
		// May need to remove any hooks or filters that were set by other Views on the page.

		do_action( 'wpmtst_view_build_before', $this );

		$this->build_query();
		$this->build_classes();

		$this->find_stylesheet();
		$this->has_slideshow();
		$this->has_stars();

		$this->load_dependent_scripts();
		$this->load_extra_stylesheets();

		// If we cannot preprocess, add the inline style to the footer.
		add_action( 'wp_footer', array( $this, 'add_custom_style' ) );

		/**
		 * Add filters.
		 */
		$this->add_content_filters();
		add_filter( 'get_avatar', 'wpmtst_get_avatar', 10, 3 );
		add_filter( 'embed_defaults', 'wpmtst_embed_size', 10, 2 );

		/**
		 * Add actions.
		 */

		// Read more page
		add_action( $this->atts['more_page_hook'], 'wpmtst_read_more_page' );

		/**
		 * Locate template.
		 */
		$this->template_file = apply_filters( 'wpmtst_view_template_file_slideshow', WPMST()->templates->get_template_attr( $this->atts, 'template' ) );


		/**
		 * Allow add-ons to hijack the output generation.
		 */
		$query = $this->query;
		$atts  = $this->atts;
		if ( has_filter( 'wpmtst_render_view_template' ) ) {
			$html = apply_filters( 'wpmtst_render_view_template', '', $this );
		} else {

			/**
			 * Gutenberg. Yay.
			 * @since 2.31.9
			 */
			global $post;
			$post_before = $post;

			ob_start();
			/** @noinspection PhpIncludeInspection */
			include( $this->template_file );
			$html = ob_get_clean();

			$post = $post_before;

		}

		/**
		 * Remove filters.
		 */
		$this->remove_content_filters();
		remove_filter( 'get_avatar', 'wpmtst_get_avatar' );
		remove_filter( 'embed_defaults', 'wpmtst_embed_size' );

		/**
		 * Remove actions.
		 */
		remove_action( $this->atts['more_page_hook'], 'wpmtst_read_more_page' );

		/**
		 * Hook to enqueue scripts.
		 */
		do_action( 'wpmtst_view_rendered', $this->atts );

		wp_reset_postdata();

		$this->html = apply_filters( 'strong_view_html', $html, $this );
	}

	/**
	 * Build class list based on view attributes.
	 *
	 * This must happen after the query.
	 * TODO DRY
	 */
	public function build_classes() {
		$options = get_option( 'wpmtst_view_options' );

		$container_class_list = array( 'strong-view-id-' . $this->atts['view'] );
		$container_class_list = array_merge( $container_class_list, $this->get_template_css_class() );

		if ( is_rtl() ) {
			$container_class_list[] = 'rtl';
		}

		if ( $this->atts['class'] ) {
			$container_class_list[] = $this->atts['class'];
		}

		$container_data_list = array(
			'count' => $this->post_count,
		);

		$content_class_list  = array();

		$post_class_list     = array( 'wpmtst-testimonial testimonial' );

		if ( 'excerpt' == $this->atts['content'] ) {
			$post_class_list[] = 'excerpt';
		}

		/**
		 * Slideshow
		 */
		$settings = $this->atts['slideshow_settings'];

		$container_class_list[] = 'slider-container';

		if ( 'show_multiple' == $settings['type'] ) {
			$container_class_list[] = 'carousel';
		}

		$container_class_list[] = 'slider-mode-' . $settings['effect'];

		if ( $settings['adapt_height'] ) {
			$container_class_list[] = 'slider-adaptive';
		} elseif ( $settings['stretch'] ) {
			$container_class_list[] = 'slider-stretch';
		}

		$nav_methods   = $options['slideshow_nav_method'];
		$nav_styles    = $options['slideshow_nav_style'];
		$control       = $settings['controls_type'];
		$control_style = $settings['controls_style'];
		$pager         = $settings['pager_type'];
		$pager_style   = $settings['pager_style'];

		// Controls
		if ( isset( $nav_methods['controls'][ $control ]['class'] ) && $nav_methods['controls'][ $control ]['class'] ) {
			if ( 'sides' == $control ) {
				if ( 'show_single' == $settings['type'] ) {
					$container_class_list[] = $nav_methods['controls'][ $control ]['class'];
				} else {
					$container_class_list[] = $nav_methods['controls'][ $control ]['class'] . '-outside';
				}
			}
		}

		if ( 'none' != $control ) {
			if ( isset( $nav_styles['controls'][ $control_style ]['class'] ) && $nav_styles['controls'][ $control_style ]['class'] ) {
				$container_class_list[] = $nav_styles['controls'][ $control_style ]['class'];
			}
		}

		// Pager
		if ( isset( $nav_methods['pager'][ $pager ]['class'] ) && $nav_methods['pager'][ $pager ]['class'] ) {
			$container_class_list[] = $nav_methods['pager'][ $pager ]['class'];
		}

		if ( 'none' != $pager ) {
			if ( isset( $nav_styles['pager'][ $pager_style ]['class'] ) && $nav_styles['pager'][ $pager_style ]['class'] ) {
				$container_class_list[] = $nav_styles['pager'][ $pager_style ]['class'];
			}
		}

		// Position
		// TODO Simplify logic.
		if ( 'none' != $pager || ( 'none' != $control && 'sides' != $control ) ) {
			if ( 'show_multiple' == $settings['type'] ) {
				$settings['nav_position'] = 'outside';
			}
			$container_class_list[] = 'nav-position-' . $settings['nav_position'];
		}

		$container_data_list['slider-var'] = $this->slideshow_signature();
		$container_data_list['state'] = 'idle';

		$content_class_list[] = 'wpmslider-content';

		$post_class_list[] = 't-slide';

		/**
		 * Filter classes.
		 */
		$this->atts['container_data']  = apply_filters( 'wpmtst_view_container_data', $container_data_list, $this->atts );
		$this->atts['container_class'] = join( ' ', apply_filters( 'wpmtst_view_container_class', array_filter( $container_class_list ), $this->atts ) );
		$this->atts['content_class']   = join( ' ', apply_filters( 'wpmtst_view_content_class', array_filter( $content_class_list ), $this->atts ) );
		$this->atts['post_class']      = join( ' ', apply_filters( 'wpmtst_view_post_class', array_filter( $post_class_list ), $this->atts ) );

		/**
		 * Store updated atts.
		 */
		WPMST()->set_atts( $this->atts );
	}

	/**
	 * Slideshow
	 *
	 * @since 2.16.0 In Strong_View class.
	 */
	public function has_slideshow() {

		$settings          = $this->atts['slideshow_settings'];
		$not_full_controls = ( 'none' != $settings['controls_type'] || 'full' != $settings['controls_type'] );

		/*
		 * Controls with or without Pagination
		 */
		if ( isset( $settings['controls_type'] ) && 'none' != $settings['controls_type'] ) {

			$controls_type = $settings['controls_type'];
			if ( 'sides' == $controls_type && 'show_multiple' == $settings['type'] ) {
				$controls_type .= '-outside';
			}

			$filename = 'slider-controls-' . $controls_type . '-' . $settings['controls_style'];

			if ( 'full' != $settings['controls_type'] ) {
				if ( isset( $settings['pager_style'] ) && 'none' != $settings['pager_type'] ) {
					$filename .= '-pager-' . $settings['pager_style'];
				}
			}

			if ( file_exists( WPMTST_PUBLIC . "css/$filename.css" ) ) {
				wp_register_style( "wpmtst-$filename", WPMTST_PUBLIC_URL . "css/$filename.css", array(), $this->plugin_version );
				WPMST()->render->add_style( "wpmtst-$filename" );
			}

		} elseif ( $not_full_controls ) {

			/*
			 * Pagination only
			 */
			if ( isset( $settings['pager_type'] ) && 'none' != $settings['pager_type'] ) {

				//TODO Adapt for multiple pager types (only one right now).
				$filename = 'slider-pager-' . $settings['pager_style'];

				if ( file_exists( WPMTST_PUBLIC . "css/$filename.css" ) ) {
					wp_register_style( "wpmtst-$filename", WPMTST_PUBLIC_URL . "css/$filename.css", array(), $this->plugin_version );
					WPMST()->render->add_style( "wpmtst-$filename" );
				}

			}

		}

		WPMST()->render->add_script( 'wpmtst-slider' );
		WPMST()->render->add_script_var( 'wpmtst-slider', $this->slideshow_signature(), $this->slideshow_args() );
		WPMST()->render->add_script( 'wpmtst-controller' );
	}

	/**
	 * Create unique slideshow signature.
	 *
	 * @since 2.7.0
	 * @private
	 *
	 * @return string
	 */
	private function slideshow_signature() {
		return 'strong_slider_id_' . $this->atts['view'];
	}

	/**
	 * Assemble slideshow settings.
	 *
	 * @since 2.7.0
	 * @private
	 *
	 * @return array
	 */
	private function slideshow_args() {
		$options        = get_option( 'wpmtst_options' );
		$view_options   = apply_filters( 'wpmtst_view_options', get_option( 'wpmtst_view_options' ) );
		$compat_options = get_option( 'wpmtst_compat_options' );

		/**
		 * Compatibility with lazy loading and use of imagesLoaded.
		 *
		 * @since 2.31.0 As user-configurable.
		 */
		$compat  = array();
		$enabled = false;
		$pairs   = array();

		// Presets
		// Flatsome theme
		if ( class_exists( 'FL_LazyLoad_Images' ) && get_theme_mod( 'lazy_load_images' ) ) {
			$enabled = true;
			$pairs[] = array(
				'start'  => 'lazy-load',
				'finish' => '',
			);
		}

		// User settings
		if ( $compat_options['lazyload']['enabled'] ) {
			$enabled = true;
			foreach ( $compat_options['lazyload']['classes'] as $key => $pair ) {
				$pairs[] = $pair;
			}
		}

		// Bring together the presets and user settings.
		$compat['lazyload'] = array(
			'active'  => $enabled,
			'classes' => $pairs,
		);


		// Convert breakpoint variable names
		// TODO Refactor to make this unnecessary.
		$new_breakpoints = array();

		// Fallback
		$new_breakpoints['single'] = array(
			'maxSlides'   => $this->atts['slideshow_settings']['show_single']['max_slides'],
			'moveSlides'  => $this->atts['slideshow_settings']['show_single']['move_slides'],
			'slideMargin' => $this->atts['slideshow_settings']['show_single']['margin'],
		);

		$breakpoints = $this->atts['slideshow_settings']['breakpoints'];
		foreach ( $breakpoints as $key => $breakpoint ) {
			$new_breakpoints['multiple'][ $key ] = array(
				'width'       => $breakpoints[ $key ]['width'],
				'maxSlides'   => $breakpoints[ $key ]['max_slides'],
				'moveSlides'  => $breakpoints[ $key ]['move_slides'],
				'slideMargin' => $breakpoints[ $key ]['margin'],
			);
		}

		$args = array(
			'mode'                => $this->atts['slideshow_settings']['effect'],
			'speed'               => $this->atts['slideshow_settings']['speed'] * 1000,
			'pause'               => $this->atts['slideshow_settings']['pause'] * 1000,
			'autoHover'           => $this->atts['slideshow_settings']['auto_hover'] ? 1 : 0,
			'autoStart'           => $this->atts['slideshow_settings']['auto_start'] ? 1 : 0,
			'infiniteLoop'        => $this->atts['slideshow_settings']['continuous_sliding'] ? 1 : 0,
			'stopAutoOnClick'     => $this->atts['slideshow_settings']['stop_auto_on_click'] ? 1 : 0,
			'adaptiveHeight'      => $this->atts['slideshow_settings']['adapt_height'] ? 1 : 0,
			'adaptiveHeightSpeed' => $this->atts['slideshow_settings']['adapt_height_speed'] * 1000,
			'controls'            => 0,
			'autoControls'        => 0,
			'pager'               => 0,
			'slideCount'          => $this->post_count,
			'debug'               => defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG && apply_filters( 'debug_strong_slider', true ),
			'compat'              => $compat,
			'touchEnabled'        => $options['touch_enabled'],
			'type'                => $this->atts['slideshow_settings']['type'],
		    'breakpoints'         => $new_breakpoints,
		);

		if ( ! $this->atts['slideshow_settings']['adapt_height'] ) {
			$args['stretch'] = $this->atts['slideshow_settings']['stretch'] ? 1 : 0;
		}

		/**
		 * Controls
		 */
		$options         = $view_options['slideshow_nav_method']['controls'];
		$control_setting = $this->atts['slideshow_settings']['controls_type'];
		if ( ! $control_setting ) {
			$control_setting = 'none';
		}
		if ( isset( $options[ $control_setting ] ) && isset( $options[ $control_setting ]['args'] ) ) {
			$args['controls'] = 1;
			$args = array_merge( $args, $options[ $control_setting ]['args'] );
		}

		if ( 'none' != $control_setting ) {
			$options = $view_options['slideshow_nav_style']['controls'];
			$setting = $this->atts['slideshow_settings']['controls_style'];
			if ( ! $setting ) {
				$setting = 'none';
			}

			/**
			 * Quick fix for ticket 12014 to translate slider text controls.
			 * TODO Refactor; see fix-i18n branch in translations.strong.test.
			 *
			 * @since 2.32.1
			 */
			if ( 'text' == $setting ) {
				$options['text']['args'] = array(
					'startText' => _x( 'Play', 'slideshow control', 'strong-testimonials' ),
					'stopText'  => _x( 'Pause', 'slideshow control', 'strong-testimonials' ),
					'prevText'  => _x( 'Previous', 'slideshow_control', 'strong-testimonials' ),
					'nextText'  => _x( 'Next', 'slideshow_control', 'strong-testimonials' ),
				);
			}

			if ( isset( $options[ $setting ] ) && isset( $options[ $setting ]['args'] ) ) {
				$args = array_merge( $args, $options[ $setting ]['args'] );
			}
		}

		/**
		 * Pager
		 */
		$options       = $view_options['slideshow_nav_method']['pager'];
		$pager_setting = $this->atts['slideshow_settings']['pager_type'];
		if ( ! $pager_setting ) {
			$pager_setting = 'none';
		}
		if ( isset( $options[ $pager_setting ] ) && isset( $options[ $pager_setting ]['args'] ) ) {
			$args = array_merge( $args, $options[ $pager_setting ]['args'] );
		}

		if ( 'none' != $pager_setting ) {
			$options = $view_options['slideshow_nav_style']['pager'];
			$setting = $this->atts['slideshow_settings']['pager_style'];
			if ( ! $setting ) {
				$setting = 'none';
			}
			if ( isset( $options[ $setting ] ) && isset( $options[ $setting ]['args'] ) ) {
				$args['pager'] = 1;
				$args = array_merge( $args, $options[ $setting ]['args'] );
			}
		}

		return array( 'config' => apply_filters( 'wpmtst_slider_args', $args, $this->atts ) );
	}
        
         /**
	 * Lazy Load
	 *
	 * @since 2.40.4
	 */
	public function has_lazyload() {
                $options = get_option( 'wpmtst_options' );
                if ( isset( $options['lazyload'] ) && $options['lazyload'] ) {
                        WPMST()->render->add_style( 'wpmtst-lazyload-css' );
			WPMST()->render->add_script( 'wpmtst-lozad' );
                        WPMST()->render->add_script( 'wpmtst-lozad-load' );
		}
	}

}

endif;
