<?php

namespace TotalTheme\Sidebars;

\defined( 'ABSPATH' ) || exit;

/**
 * Primary Sidebar.
 */
class Primary {

	/**
	 * Returns the insert hook for the sidebar.
	 *
	 * @todo Add this functionality.
	 */
	public static function get_insert_hook_name() {
		$location = 'after';

		if ( 'before' === \get_theme_mod( 'sidebar_hook', 'after' ) ) {
			$location = 'before';
		}

		$hook_name = "wpex_hook_primary_{$location}";

		/**
		 * Filters the primary sidebar insert hook name.
		 *
		 * @param string $hook_name.
		 */
		$hook_name = (string) \apply_filters( 'totaltheme/sidebars/primary/insert_hook_name', $hook_name );

		return $hook_name;
	}

	/**
	 * Check if sticky is enabled.
	 *
	 * @todo Add this functionality.
	 */
	public static function is_sticky() {
		$check = \wp_validate_boolean( \get_theme_mod( 'sidebar_sticky', false ) );

		/**
		 * Filters whether the sidebar is sticky or not.
		 *
		 * @param bool $check
		 */
		$check = (bool) \apply_filters( 'totaltheme/sidebars/primary/is_sticky', $check );

		return $check;
	}

	/**
	 * Returns primary sidebar widget title tag arguments.
	 */
	public static function widget_title_args() {
		$tag_escaped = ( $tag = \get_theme_mod( 'sidebar_headings' ) ) ? \tag_escape( $tag ) : 'div';

		return [
			'before' => '<' . $tag_escaped . ' class="widget-title wpex-heading wpex-text-md wpex-mb-20">',
			'after'  => '</' . $tag_escaped . '>',
		];
	}

	/**
	 * Echo class attribute for the the primary sidebar wrapper element.
	 */
	public static function wrapper_class() {
		$classes = [
			'sidebar-primary',
			'sidebar-container',
			'wpex-print-hidden',
		];

		/**
		 * Filters the primary sidebar class.
		 *
		 * @param array $class
		 */
		$classes = (array) \apply_filters( 'totaltheme/sidebars/primary/wrapper_class', $classes );

		/** deprecated filter **/
		$classes = \apply_filters_deprecated( 'wpex_sidebar_class', [ $classes ], '5.6.1', 'totaltheme/sidebars/primary/wrapper_class' );

		if ( $classes ) {
			echo 'class="' . \esc_attr( \implode( ' ', $classes ) ) . '"';
		}
	}

	/**
	 * Echo class attribute for the the primary sidebar inner element.
	 */
	public static function inner_class() {
		$classes = [
			'sidebar-container-inner',
			'wpex-mb-40',
		];

		/**
		 * Filters the primary sidebar inner class.
		 *
		 * @param array $class
		 */
		$classes = (array) \apply_filters( 'totaltheme/sidebars/primary/inner_class', $classes );

		if ( $classes ) {
			echo 'class="' . \esc_attr( \implode( ' ', $classes ) ) . '"';
		}
	}

	/**
	 * Returns the sidebar name for this sidebar area as registered with WP.
	 */
	public static function get_sidebar_name( $sidebar = '', $post_id = '' ) {
		$instance = ''; // @todo deprecate instance variable.
		$fallback = \apply_filters( 'wpex_sidebar_has_fallback', true );
		$sidebar  = ( ! $sidebar && $fallback ) ? 'sidebar' : $sidebar;

		// Page Sidebar.
		if ( \is_singular() ) {

			$post_type = \get_post_type();

			$instance = "singular_{$post_type}";

			// Pages.
			if ( 'page' === $post_type
				&& ! ( \is_page_template( 'templates/blog.php' )
					|| \is_page_template( 'templates/blog-content-above.php' )
				)
			) {
				if ( \get_theme_mod( 'pages_custom_sidebar', true ) ) {
					$sidebar = 'pages_sidebar';
				}
			}

			// Posts.
			if ( 'post' === $post_type ) {
				if ( \get_theme_mod( 'blog_custom_sidebar', false ) ) {
					$sidebar = 'blog_sidebar';
				}
			}

		// Archives.
		} else {

			$instance = 'archive';

			// Search Sidebar.
			if ( \is_search() ) {
				$instance = 'search';
				if ( \get_theme_mod( 'search_custom_sidebar', true ) ) {
					$sidebar = 'search_sidebar';
				}
			}

			// Blog sidebar.
			elseif ( \get_theme_mod( 'blog_custom_sidebar', false ) && \wpex_is_blog_query() ) {
				$instance = 'wpex_is_blog_query';
				$sidebar = 'blog_sidebar';
			}

			// 404.
			elseif ( is_404() ) {
				$instance = '404';
				if ( \get_theme_mod( 'pages_custom_sidebar', true ) ) {
					$sidebar = 'pages_sidebar';
				}
			}
		}

		// WooCommerce sidebar.
		if ( \function_exists( 'is_woocommerce' )
			&& \get_theme_mod( 'woo_custom_sidebar', true )
			&& \is_woocommerce()
		) {
			$sidebar = 'woo_sidebar';
		}

		// Post types Unlimited checks.
		if ( defined( 'WPEX_PTU_ACTIVE' ) && \WPEX_PTU_ACTIVE ) {

			if ( \is_singular() ) {
				$ptu_check = \wpex_get_ptu_type_mod( $post_type, 'custom_sidebar' );
				if ( $ptu_check ) {
					$sidebar = $ptu_check;
				}
			}

			if ( \is_post_type_archive() ) {
				$ptu_check = \wpex_get_ptu_type_mod( \get_query_var( 'post_type' ), 'custom_sidebar' );
				if ( $ptu_check ) {
					$sidebar = $ptu_check;
				}
			}

			if ( is_tax() ) {
				$ptu_check = \wpex_get_ptu_tax_mod( \get_query_var( 'taxonomy' ), 'sidebar' );
				if ( $ptu_check ) {
					$sidebar = $ptu_check;
				} else {
					$ptu_check = \wpex_get_ptu_type_mod( get_post_type(), 'custom_sidebar' );
					if ( $ptu_check ) {
						$sidebar = $ptu_check;
					}
				}

			}

		}

		/***
		 * FILTER    => Add filter for tweaking the sidebar display via child theme's
		 * IMPORTANT => Must be added before meta options so that it doesn't take priority.
		 ***/
		$sidebar = \apply_filters( 'wpex_get_sidebar', $sidebar, $instance ); // @todo deprecate.

		/**
		 * Filters the primary sidebar name.
		 */
		$sidebar = (string) \apply_filters( 'totaltheme/sidebars/primary/name', $sidebar, $instance );

		// Get current post id.
		$post_id = \wpex_get_current_post_id();

		// Check meta option after filter so it always overrides.
		if ( $meta = \get_post_meta( $post_id, 'sidebar', true ) ) {
			$sidebar = $meta;
		}

		// Get sidebar based on current post primary category setting.
		if ( \function_exists( 'get_term_meta' ) ) {

			$meta_sidebar = '';

			if ( \is_singular() && 'page' !== $post_type ) {

				$meta = '';
				$taxonomies = \get_object_taxonomies( $post_type, 'names' );

				// Loop through taxonomies to see if a specific sidebar is set for a taxonomy.
				if ( $taxonomies && \is_array( $taxonomies ) ) {

					// Check if post has a primary taxonomy and if so add it to the top of the list to check.
					$primary_tax = \wpex_get_post_primary_taxonomy();

					if ( $primary_tax && \in_array( $primary_tax, $taxonomies ) ) {

						if ( ( $key = \array_search( $primary_tax, $taxonomies ) ) !== false) {
							unset( $taxonomies[$key] );
							\array_unshift( $taxonomies , $primary_tax );
						}

					}

					foreach ( $taxonomies as $taxonomy ) {
						if ( $meta ) {
							break;
						}
						$primary_term = \wpex_get_post_primary_term( $post_id, $taxonomy );
						if ( $primary_term ) {
							$meta = \get_term_meta( $primary_term->term_id, 'wpex_sidebar', true );
							if ( $meta ) {
								break;
							}
						}
						$terms = \get_the_terms( \get_the_ID(), $taxonomy );
						if ( $terms ) {
							foreach ( $terms as $term ) {
								if ( $meta ) {
									break;
								}
								$meta = \get_term_meta( $term->term_id, 'wpex_sidebar', true );
							}
						}
					}

					if ( $meta ) {
						$meta_sidebar = $meta;
					}

				} // end taxonomies check.

			} // end singular check.

			// Taxonomies.
			if ( \is_tax() || \is_category() || \is_tag() ) {
				$term_id = \get_queried_object_id();
				if ( $term_id && $meta = \get_term_meta( $term_id, 'wpex_sidebar', true ) ) {
					$meta_sidebar = $meta;
				}
			}

			// Check if taxonomy sidebar is active and exits and if not fallback to filter.
			global $wp_registered_sidebars;
			if ( \is_array( $wp_registered_sidebars )
				&& \array_key_exists( $meta_sidebar, $wp_registered_sidebars )
				&& \is_active_sidebar( $meta_sidebar )
			) {
				$sidebar = $meta_sidebar;
			}

		} // end get_term_meta function_exists check.

		// Never show empty sidebar.
		if ( $sidebar && $fallback && ! \is_active_sidebar( $sidebar ) ) {
			$sidebar = 'sidebar';
		}

		return $sidebar;
	}

}