<?php
/**
 * Set of functions to create a better experance for the built-in TinyMCE WordPress editor
 */

if ( ! function_exists( 'webcom_tinymce_enhancement' ) ) {

	/**
	 * Disable HTML validation for TinyMCE
	 *
	 * @param array $in Array of editor settings.
	 * @return array
	 */
	function webcom_tinymce_enhancement( $in ) {

		$in['verify_html'] = false;

		// Set a variable to hold the current plugin data.
		$plugins = $in['plugins'];

		if ( '' === $plugins ) {

			// If plugin data is not set, set it to "table".
			$plugins = 'table';

		} else {

			// If plugin data is set, convert string into an array.
			$plugins = explode( ',', $plugins );

			// Check if table has been set, if not add table.
			if ( ! in_array( 'table', $plugins ) ) {

				array_push( $plugins, 'table' );

			}

			// Remove Whitespace from array.
			$plugins = array_filter( array_map( 'trim', $plugins ) );

			// Convert array back into string.
			$plugins = implode( ',', $plugins );

		}

		$in['plugins'] = $plugins;
		$in['table_default_styles'] = '{ width: "100%" }';

		return $in;

	}
}

if ( ! function_exists( 'fix_no_editor_on_posts_page' ) ) {

	/**
	 * Re-enable Page for Posts Editor
	 *
	 * @param object $post Post object.
	 */
	function fix_no_editor_on_posts_page( $post ) {
		if ( $post->ID != get_option( 'page_for_posts' ) ) {
			return;
		}

		remove_action( 'edit_form_after_title', '_wp_posts_page_notice' );
		add_post_type_support( 'page', 'editor' );
	}
	add_action( 'edit_form_after_title', 'fix_no_editor_on_posts_page', 0 );
}


if ( ! function_exists( 'webcom_tinymce_styles' ) ) {
	/**
	 * Add styles/classes to the "Styles" drop-down
	 *
	 * @param array $settings Array of editor settings.
	 * @return array
	 */
	function webcom_tinymce_styles( $settings ) {

		$style_formats = array(
			array(
				'title' => 'Heading Horizontal Line',
				'block' => 'h1',
				'classes' => 'horizontal-line',
			),
			array(
				'title' => 'Font Awesome Bullets',
				'selector' => 'ul',
				'classes' => 'pretty-bullets',
			),
		);

		$settings['style_formats'] = wp_json_encode( $style_formats );

		return $settings;

	}
}

if ( ! function_exists( 'webcom_tinymce_enhancement_load' ) ) {
	/**
	 * Load TinyMCE enhancements only if the TinyMCE Adcanced plugin is active.
	 *
	 */
	function webcom_tinymce_enhancement_load() {
		if ( is_plugin_active( 'tinymce-advanced/tinymce-advanced.php' ) ) {
			add_filter( 'tiny_mce_before_init', 'webcom_tinymce_enhancement' );
			add_filter( 'tiny_mce_before_init', 'webcom_tinymce_styles' );
		}
	}

	add_action( 'admin_init', 'webcom_tinymce_enhancement_load' );
}