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/**
 * JavaScript code for the "Edit Screen" component.
 *
 * @package TablePress
 * @subpackage Edit Screen
 * @author Tobias Bäthge
 * @since 3.0.0
 */

/* globals tp */

/**
 * WordPress dependencies.
 */
import { useEffect, useState } from 'react';
import {
	withFilters,
} from '@wordpress/components';
import { addAction, applyFilters, removeAction } from '@wordpress/hooks';

/*
 * Allow other scripts to register their UI components to be rendered on the Edit Screen.
 * Portals allow to render components outside of the normal React tree, in separate DOM nodes.
 */
const features = applyFilters( 'tablepress.editScreenFeatures', [] );
const Portals = withFilters( 'tablepress.editScreenPortals' )( () => <></> );

/**
 * Returns the "Edit Screen" component's JSX markup.
 *
 * @return {Object} Edit Screen component.
 */
const Screen = () => {
	const [ tableOptions, setTableOptions ] = useState( () => ( { ...tp.table.options } ) );
	const [ tableMeta, setTableMeta ] = useState( () => ( { ...tp.table.meta } ) );

	// When the component is first rendered, register the action hook that is triggered when other options are changed.
	useEffect( () => {
		addAction( 'tablepress.metaUpdated', 'tp/edit-screen/handle-meta-updated', () => {
			setTableMeta( { ...tp.table.meta } );
		} );

		return () => {
			removeAction( 'tablepress.metaUpdated', 'tp/edit-screen/handle-meta-updated' );
		};
	}, [] );

	// Turn off "Enable Visitor Features" if the table has merged cells.
	useEffect( () => {
		if ( tableOptions.use_datatables && tp.helpers.editor.has_merged_body_cells() ) {
			updateTableOptions( { use_datatables: false } );
		}
	}, [] ); // eslint-disable-line react-hooks/exhaustive-deps -- This should only run on the initial render, so no dependencies are needed.

	const updateTableOptions = ( updatedTableOptions ) => {
		// Use an updater function to ensure that the current state is used when updating table options.
		setTableOptions( ( currentTableOptions ) => ( {
			...currentTableOptions,
			...updatedTableOptions,
		} ) );

		tp.table.options = { ...tp.table.options, ...updatedTableOptions };
		tp.helpers.unsaved_changes.set();

		// Redraw the table when certain options are changed.
		if ( [ 'table_head', 'table_foot' ].some( ( optionName ) => ( Object.keys( updatedTableOptions ).includes( optionName ) ) ) ) {
			tp.editor.updateTable();
		}
	};

	const updateTableMeta = ( updatedTableMeta ) => tp.helpers.meta.update( updatedTableMeta );

	return (
		<Portals
			tableMeta={ tableMeta }
			updateTableMeta={ updateTableMeta }
			tableOptions={ tableOptions }
			updateTableOptions={ updateTableOptions }
			features={ features }
		/>
	);
};

export default Screen;