<?php

defined( 'ABSPATH' ) || exit;

/**
 * Returns site layout type.
 */
function wpex_site_layout(): string {
	static $layout = null;
	if ( null === $layout ) {
		$post_id = wpex_get_current_post_id();
		if ( $post_id && $meta = get_post_meta( $post_id, 'wpex_main_layout', true ) ) {
			$layout = sanitize_text_field( $meta );
		} else {
			$layout = ( $mod = get_theme_mod( 'main_layout_style' ) ) ? sanitize_text_field( $mod ) : '';
		}
		$layout = (string) apply_filters( 'wpex_main_layout', $layout );
		if ( 'full-width' !== $layout && 'boxed' !== $layout ) {
			$layout = 'full-width';
		}
	}
	return $layout;
}

/**
 * Returns default content layout.
 */
function wpex_get_default_content_area_layout(): string {
	$layout = ( $mod = get_theme_mod( 'content_layout' ) ) ? sanitize_text_field( $mod ) : '';
	if ( ! $layout ) {
		$sidebars_are_bidi = apply_filters(
			'totaltheme/sidebars/primary/is_bidirectional',
			totaltheme_version_check( 'initial', '6.6', '>=' )
		);
		if ( $sidebars_are_bidi ) {
			$layout = 'right-sidebar';
		} else {
			$layout = is_rtl() ? 'left-sidebar' : 'right-sidebar';
		}
	}
	return $layout;
}

/**
 * Returns correct content area layout.
 */
function wpex_content_area_layout( $post_id = '' ): string {
	static $layout = null;

	if ( null !== $layout ) {
		return $layout;
	}

	if ( ! $post_id ) {
		$post_id = wpex_get_current_post_id();
	}

	$default  = wpex_get_default_content_area_layout();
	$layout   = $default;
	$instance = ''; // @todo deprecate

	/**
	 * Singular checks
	 *
	 * Must use the post_id check to prevent issues with custom pages like Events Calendar, 404 page, etc
	 */
	if ( $post_id && $post_id !== get_option( 'page_for_posts' ) ) {

		// Check meta first to override and return (prevents filters from overriding meta).
		if ( $meta = get_post_meta( $post_id, 'wpex_post_layout', true ) ) {
			$layout = sanitize_text_field( $meta );

			// RTL support for left and right sidebars
			if ( ( 'left-sidebar' === $layout || 'right-sidebar' === $layout )
				&& is_rtl()
				&& apply_filters( 'totaltheme/sidebars/primary/is_bidirectional', totaltheme_version_check( 'initial', '6.6', '>=' ) )
			) {
				$layout = ( 'left-sidebar' === $layout ) ? 'right-sidebar' : 'left-sidebar';
			}
			return $layout; // bail early
		}

		// Get post type
		$post_type = get_post_type( $post_id ); // must pass on the ID to prevent issues with dynamic templates used in archives like 404
		$instance  = "singular_{$post_type}";

		// Singular Page
		if ( 'page' === $post_type ) {

			// Default page layout
			$layout = get_theme_mod(
				'page_single_layout',
				totaltheme_version_check( 'initial', '6.6', '>=' ) ? 'full-width' : false
			);

			// Page template layouts
			if ( $page_template = get_page_template_slug( $post_id ) ) {
				switch ( $page_template ) {
					case 'templates/blog.php':
						$layout = get_theme_mod( 'blog_archives_layout' );
						break;
					case 'templates/blank.php':
					case 'templates/landing-page.php':
					case 'templates/no-sidebar.php':
					case 'templates/no-sidebar-no-page-title.php':
						$layout = 'full-width';
						break;
					case 'templates/full-screen.php':
						$layout = 'full-screen';
						break;
					case 'templates/left-sidebar-no-page-title.php':
					case 'templates/left-sidebar.php':
						$layout = 'left-sidebar';
						break;
					case 'templates/right-sidebar-no-page-title.php':
					case 'templates/right-sidebar.php':
						$layout = 'right-sidebar';
						break;
				}
				// Fix for the blog content above template which wasn't properly using the blog_archives_layout
				if ( 'templates/blog-content-above.php' === $page_template
					&& totaltheme_version_check( 'initial', '6.6', '>=' )
				) {
					$layout = get_theme_mod( 'blog_archives_layout' );
				}
			}
		}

		// Singular Post
		elseif ( 'post' === $post_type ) {
			$layout = get_theme_mod( 'blog_single_layout' );
		}

		// Templatera
		elseif ( in_array( $post_type, [ 'wpex_templates', 'templatera', 'wpex_card', 'elementor_library', 'attachment' ], true ) ) {
			$layout = 'full-width'; // must set static var before bailing
			return $layout; // bail early - !! important !!
		} else {
			$layout = get_theme_mod( "{$post_type}_single_layout" ) ?: $layout;
		}

		// Post Types Unlimited checks
		if ( wpex_get_ptu_type_mod( $post_type, 'use_blank_template' ) ) {
			$layout = wpex_get_ptu_type_mod( $post_type, 'blank_template_layout', 'full-width' );
		} else {
			$ptu_layout = wpex_get_ptu_type_mod( $post_type, 'post_layout' );
			if ( isset( $ptu_layout ) ) {
				$layout = $ptu_layout;
			}
		}

	} // End singular

	// 404 page => must check before archives due to WP bug with pagination
	elseif ( is_404() ) {
		$instance = '404';

		// Check custom 404
		if ( wp_validate_boolean( get_theme_mod( 'custom_404_enable', true ) ) ) {
			$error_404_template = totaltheme_call_non_static( 'Error_404', 'get_template_id' );

			// Custom templates previously had default layout
			if ( ! $error_404_template || 'page' !== get_post_type( $error_404_template ) ) {
				$layout = 'full-width';
			}

			if ( $error_page_layout = (string) get_theme_mod( 'error_page_layout' ) ) {
				$layout = $error_page_layout;
			}

		} else {
			$layout = 'full-width';
		}
	}

	// Home
	elseif ( is_home() ) {
		$instance = 'home';
		if ( is_multisite()
			&& ! empty( $GLOBALS['pagenow'] )
			&& in_array( $GLOBALS['pagenow'], [ 'wp-activate.php', 'wp-signup.php' ], true )
		) {
			$layout = 'full-width';
		} else {
			$layout = get_theme_mod( 'blog_archives_layout' );
		}
	}

	// Search => MUST BE BEFORE TAX CHECK, WP returns true for is_tax on search results
	elseif ( is_search() ) {
		$instance = 'search';
		$layout = get_theme_mod( 'search_layout' );
	}

	// Define tax instance
	elseif ( is_tax() ) {
		$instance = 'tax';
		if ( totaltheme_is_integration_active( 'post_types_unlimited' ) ) {
			$ptu_layout = wpex_get_ptu_tax_mod( get_query_var( 'taxonomy' ), 'layout' );
			if ( isset( $ptu_layout ) ) {
				$layout = $ptu_layout;
			}
		}
	}

	// Define post type archive instance
	elseif( is_post_type_archive() ) {
		$instance = 'post_type_archive';
		if ( totaltheme_is_integration_active( 'post_types_unlimited' ) ) {
			$ptu_layout = wpex_get_ptu_type_mod( get_query_var( 'post_type' ), 'archive_layout' );
			if ( isset( $ptu_layout ) ) {
				$layout = $ptu_layout;
			}
		}
	}

	// Blog Query => Must come before category check
	elseif ( wpex_is_blog_query() ) {
		$instance = 'wpex_is_blog_query';
		$layout   = get_theme_mod( 'blog_archives_layout' );

		// Extra check for categories with custom meta
		if ( is_category() ) {
			$instance = 'category';
			$custom_term_layout = wpex_get_category_meta( get_query_var( 'cat' ), 'wpex_term_layout' );
			if ( $custom_term_layout ) {
				$layout = sanitize_text_field( $custom_term_layout );
			}
		}

		// Custom author layout
		if ( is_author() ) {
			$author_layout = get_theme_mod( 'author_layout' );
			if ( $author_layout ) {
				$layout = sanitize_text_field( $author_layout );
			}
		}

	}

	// All else
	else {
		$layout = $default;
	}

	// WooCommerce layouts (added here to provide support for vanilla WooCommerce).
	if ( totaltheme_is_integration_active( 'woocommerce' ) ) {
		if ( wpex_is_woo_shop() ) {
			$layout = get_theme_mod( 'woo_shop_layout', 'full-width' );
		} elseif ( wpex_is_woo_tax() ) {
			$layout = get_theme_mod( 'woo_shop_layout', 'full-width' );
		} elseif ( wpex_is_woo_single() ) {
			$layout = get_theme_mod( 'woo_product_layout', 'full-width' );
		} elseif ( function_exists( 'is_account_page' ) && is_account_page() ) {
			$layout = 'full-width'; // always full-width
		}
	}

	/**
	 * Filters the post layout (no-sidebar, full-screen, right-sidebar, left-sidebar).
	 */
	$layout = (string) apply_filters( 'wpex_post_layout_class', $layout, $instance );

	// Layout should never be empty
	if ( empty( $layout ) ) {
		$layout = $default;
	}

	// RTL support for left and right sidebars
	if ( ( 'left-sidebar' === $layout || 'right-sidebar' === $layout )
		&& is_rtl()
		&& apply_filters( 'totaltheme/sidebars/primary/is_bidirectional', totaltheme_version_check( 'initial', '6.6', '>=' ) )
	) {
		$layout = ( 'left-sidebar' === $layout ) ? 'right-sidebar' : 'left-sidebar';
	}

	// Return layout
	return $layout;
}

/**
 * Check if primary wrapper should have bottom margin.
 */
function wpex_has_primary_bottom_spacing(): bool {
	if ( ! get_theme_mod( 'has_primary_bottom_spacing', true ) ) {
		return false;
	}

	$condition = get_theme_mod( 'primary_bottom_spacing_condition' );

	if ( ! empty( $condition ) ) {
		$conditional_logic = totaltheme_init_class( 'Conditional_Logic', $condition );
		if ( isset( $conditional_logic->result ) ) {
			return $conditional_logic->result;
		}
		return false;
	}

	$check   = true;
	$post_id = (int) wpex_get_current_post_id();

	if ( $check ) {

		// Disable on single post types when using page builders or dynamic templates
		if ( $post_id ) {

			// Disable on single posts
			if ( is_singular( 'post' ) ) {
				$check = false;
			}

			// Check home/posts page
			elseif ( is_home() && $post_id === (int) get_option( 'page_for_posts' ) ) {
				$check = ! totaltheme_location_has_template( 'archive' );
			}

			// Disable on WooCommerce products
			elseif ( function_exists( 'is_product' ) && is_product() ) {
				$check = false;
			}

			// Disable on elementor pages
			elseif ( totaltheme_is_integration_active( 'elementor' )
				&& get_post_meta( $post_id, '_elementor_edit_mode', true )
			) {
				$check = false;
			}

			// Disable when using WPBakery
			elseif ( totaltheme_call_static( 'Integration\WPBakery\Helpers', 'post_has_wpbakery', $post_id ) ) {
				$page_template = get_page_template_slug( $post_id );
				if ( ! in_array( $page_template, [ 'templates/blog.php', 'templates/blog-content-above.php' ] ) ) {
					$check = false;
				}

				if ( function_exists( 'is_shop' ) && is_shop() ) {
					$check = true; // make sure the shop has padding - @todo deprecate?
				}
			}

			// Disable when using dynamic templates - is_singular() prevents issues with blog and shop pages
			elseif ( is_singular() && totaltheme_location_has_template( 'single' ) ) {
				$check = false;
			}

		} else {
			if ( is_archive() || is_search() ) {
				$check = ! totaltheme_location_has_template( 'archive' );
			}
		}

	}

	return (bool) apply_filters( 'wpex_has_primary_bottom_spacing', $check );
}