<?php
/**
 * sort-editlink.php
 *
 * @package AI_Editor_Post_Switcher
 */

if ( ! defined( 'ABSPATH' ) ) {
	exit; // Exit if accessed directly
}

/**
 * Add ordering parameters to post edit links
 * 
 * @param array   $actions Row actions.
 * @param WP_Post $post Post object.
 * @return array Modified actions.
 */
function ai_editor_add_order_to_edit_link( $actions, $post ) {
	if ( ! is_admin() || ! isset( $actions['edit'] ) ) {
		return $actions;
	}
	
	// Get sort parameters based on current admin screen
	$sort_params = ai_editor_get_admin_sort_params( $post->post_type );
	
	// Create nonce for the edit links
	$new_nonce = AI_Editor_Nonce_Manager::create_nonce( AI_Editor_Nonce_Manager::NAVIGATION_ACTION );
	
	// Build query args
	$query_args = array();
	
	// Only add non-default parameters to keep URLs clean
	if ( 'page' === $post->post_type ) {
		// For pages, menu_order ASC is default
		if ( 'menu_order' !== $sort_params['orderby'] || 'ASC' !== $sort_params['order'] ) {
			if ( 'menu_order' !== $sort_params['orderby'] ) {
				$query_args['orderby'] = $sort_params['orderby'];
			}
			if ( 'ASC' !== $sort_params['order'] ) {
				$query_args['order'] = $sort_params['order'];
			}
		}
	} else {
		// For other post types, date DESC is default
		if ( 'date' !== $sort_params['orderby'] || 'DESC' !== $sort_params['order'] ) {
			if ( 'date' !== $sort_params['orderby'] ) {
				$query_args['orderby'] = $sort_params['orderby'];
			}
			if ( 'DESC' !== $sort_params['order'] ) {
				$query_args['order'] = $sort_params['order'];
			}
		}
	}
	
	// Add post status if not 'all'
	if ( ! empty( $sort_params['post_status'] ) && 'all' !== $sort_params['post_status'] ) {
		$query_args['post_status'] = $sort_params['post_status'];
	}
	
	// Always add nonce
	$query_args[ AI_Editor_Nonce_Manager::NAVIGATION_NONCE ] = $new_nonce;
	
	// Only modify the edit link if we have parameters to add
	if ( ! empty( $query_args ) ) {
		$query = http_build_query( $query_args );
		$actions['edit'] = preg_replace(
			'/href="([^"]+)"/',
			'href="$1&' . $query . '"',
			$actions['edit']
		);
	}
	
	return $actions;
}

/**
 * Get sort parameters from admin screen
 *
 * @param string $post_type Current post type.
 * @return array Sort parameters.
 */
function ai_editor_get_admin_sort_params( $post_type ) {
	// Set default values based on post type
	if ( 'page' === $post_type ) {
		$default_orderby = 'menu_order';
		$default_order = 'ASC';
	} elseif ( 'product' === $post_type ) {
		// WooCommerce products often default to menu_order too
		$default_orderby = 'menu_order';
		$default_order = 'ASC';
	} else {
		$default_orderby = 'date';
		$default_order = 'DESC';
	}
	
	$orderby = $default_orderby;
	$order = $default_order;
	$post_status = 'all';
	
	// Get current screen to check if we're on the right admin page
	$screen = get_current_screen();
	if ( ! $screen || 'edit' !== $screen->base || $screen->post_type !== $post_type ) {
		return array(
			'orderby'     => $orderby,
			'order'       => $order,
			'post_status' => $post_status,
		);
	}
	
	// Check if this is a valid admin request
	// Note: We don't need nonce verification here as we're just reading the current list view state
	// The WordPress admin already handles security for the list table
	
	// Get and sanitize URL parameters
	// phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Reading admin list state, not processing form
	if ( isset( $_GET['orderby'] ) ) {
		$allowed_fields = array( 'menu_order', 'title', 'date', 'modified', 'author', 'ID' );
		// phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Reading admin list state
		$temp_orderby = sanitize_text_field( wp_unslash( $_GET['orderby'] ) );
		if ( in_array( $temp_orderby, $allowed_fields, true ) ) {
			$orderby = $temp_orderby;
		}
	}
	
	// phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Reading admin list state
	if ( isset( $_GET['order'] ) ) {
		// phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Reading admin list state
		$temp_order = strtoupper( sanitize_text_field( wp_unslash( $_GET['order'] ) ) );
		if ( in_array( $temp_order, array( 'ASC', 'DESC' ), true ) ) {
			$order = $temp_order;
		}
	}
	
	// phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Reading admin list state
	if ( isset( $_GET['post_status'] ) ) {
		// phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Reading admin list state
		$temp_status = sanitize_text_field( wp_unslash( $_GET['post_status'] ) );
		// Validate against allowed statuses
		$allowed_statuses = array( 'all', 'publish', 'draft', 'pending', 'private', 'future', 'trash' );
		if ( in_array( $temp_status, $allowed_statuses, true ) ) {
			$post_status = $temp_status;
		}
	}
	
	return array(
		'orderby'     => $orderby,
		'order'       => $order,
		'post_status' => $post_status,
	);
}

// Apply to specific post types with dedicated filters
add_filter( 'page_row_actions', 'ai_editor_add_order_to_edit_link', 10, 2 );
add_filter( 'post_row_actions', 'ai_editor_add_order_to_edit_link', 10, 2 );

// Apply to all post types to catch any CPTs
add_action( 'admin_init', function() {
	// Get allowed post types from plugin settings
	$allowed_post_types = get_option( 'ai_editor_post_types', array( 'post', 'page' ) );
	
	// Get all registered post types
	$post_types = get_post_types( array( 'show_ui' => true ), 'names' );
	
	// Register our filter for each post type if supported by our plugin
	foreach ( $post_types as $post_type ) {
		// Skip post and page as they're already handled
		if ( 'post' === $post_type || 'page' === $post_type ) {
			continue;
		}
		
		// Only add filter if post type is in our allowed list
		if ( in_array( $post_type, $allowed_post_types, true ) ) {
			add_filter( $post_type . '_row_actions', 'ai_editor_add_order_to_edit_link', 10, 2 );
		}
	}
});

// As a fallback, also use the general post_row_actions filter for any missed CPTs
add_filter( 'post_row_actions', function( $actions, $post ) {
	if ( 'post' !== $post->post_type && 'page' !== $post->post_type ) {
		return ai_editor_add_order_to_edit_link( $actions, $post );
	}
	return $actions;
}, 10, 2 );