<?php
/**
 * Add theme support for the Gutenberg Editor
 *
 * @package Harrison
 */


/**
 * Registers support for various Gutenberg features.
 *
 * @return void
 */
function harrison_gutenberg_support() {

	// Add theme support for wide and full images.
	add_theme_support( 'align-wide' );

	// Define block color palette.
	$color_palette = apply_filters( 'harrison_color_palette', array(
		'primary_color'    => '#c9493b',
		'secondary_color'  => '#e36355',
		'tertiary_color'   => '#b03022',
		'accent_color'     => '#078896',
		'highlight_color'  => '#5bb021',
		'light_gray_color' => '#e4e4e4',
		'gray_color'       => '#848484',
		'dark_gray_color'  => '#242424',
	) );

	// Add theme support for block color palette.
	add_theme_support( 'editor-color-palette', apply_filters( 'harrison_editor_color_palette_args', array(
		array(
			'name'  => esc_html_x( 'Primary', 'block color', 'harrison' ),
			'slug'  => 'primary',
			'color' => esc_html( $color_palette['primary_color'] ),
		),
		array(
			'name'  => esc_html_x( 'Secondary', 'block color', 'harrison' ),
			'slug'  => 'secondary',
			'color' => esc_html( $color_palette['secondary_color'] ),
		),
		array(
			'name'  => esc_html_x( 'Tertiary', 'block color', 'harrison' ),
			'slug'  => 'tertiary',
			'color' => esc_html( $color_palette['tertiary_color'] ),
		),
		array(
			'name'  => esc_html_x( 'Accent', 'block color', 'harrison' ),
			'slug'  => 'accent',
			'color' => esc_html( $color_palette['accent_color'] ),
		),
		array(
			'name'  => esc_html_x( 'Highlight', 'block color', 'harrison' ),
			'slug'  => 'highlight',
			'color' => esc_html( $color_palette['highlight_color'] ),
		),
		array(
			'name'  => esc_html_x( 'White', 'block color', 'harrison' ),
			'slug'  => 'white',
			'color' => '#ffffff',
		),
		array(
			'name'  => esc_html_x( 'Light Gray', 'block color', 'harrison' ),
			'slug'  => 'light-gray',
			'color' => esc_html( $color_palette['light_gray_color'] ),
		),
		array(
			'name'  => esc_html_x( 'Gray', 'block color', 'harrison' ),
			'slug'  => 'gray',
			'color' => esc_html( $color_palette['gray_color'] ),
		),
		array(
			'name'  => esc_html_x( 'Dark Gray', 'block color', 'harrison' ),
			'slug'  => 'dark-gray',
			'color' => esc_html( $color_palette['dark_gray_color'] ),
		),
		array(
			'name'  => esc_html_x( 'Black', 'block color', 'harrison' ),
			'slug'  => 'black',
			'color' => '#000000',
		),
	) ) );

	// Add theme support for font sizes.
	add_theme_support( 'editor-font-sizes', apply_filters( 'harrison_editor_font_sizes_args', array(
		array(
			'name' => esc_html_x( 'Small', 'block font size', 'harrison' ),
			'size' => 16,
			'slug' => 'small',
		),
		array(
			'name' => esc_html_x( 'Medium', 'block font size', 'harrison' ),
			'size' => 24,
			'slug' => 'medium',
		),
		array(
			'name' => esc_html_x( 'Large', 'block font size', 'harrison' ),
			'size' => 36,
			'slug' => 'large',
		),
		array(
			'name' => esc_html_x( 'Extra Large', 'block font size', 'harrison' ),
			'size' => 48,
			'slug' => 'extra-large',
		),
		array(
			'name' => esc_html_x( 'Huge', 'block font size', 'harrison' ),
			'size' => 64,
			'slug' => 'huge',
		),
	) ) );

	// Check if block style functions are available.
	if ( function_exists( 'register_block_style' ) ) {

		// Register Widget Title Block style.
		register_block_style( 'core/heading', array(
			'name'         => 'widget-title',
			'label'        => esc_html__( 'Widget Title', 'harrison' ),
			'style_handle' => 'harrison-stylesheet',
		) );
	}
}
add_action( 'after_setup_theme', 'harrison_gutenberg_support' );


/**
 * Enqueue block styles and scripts for Gutenberg Editor.
 */
function harrison_block_editor_assets() {

	// Get Theme Version.
	$theme_version = wp_get_theme()->get( 'Version' );

	// Enqueue Editor Styling.
	wp_enqueue_style( 'harrison-editor-styles', get_theme_file_uri( '/assets/css/editor-styles.css' ), array(), $theme_version, 'all' );

	// Get current screen.
	$current_screen = get_current_screen();

	// Enqueue Page Template Switcher Editor plugin.
	if ( method_exists( $current_screen, 'is_block_editor' ) && $current_screen->is_block_editor() && 'post' === $current_screen->base ) {
		wp_enqueue_script( 'harrison-editor-theme-settings', get_theme_file_uri( '/assets/js/editor-theme-settings.js' ), array( 'wp-blocks', 'wp-element', 'wp-edit-post' ), $theme_version );
	}
}
add_action( 'enqueue_block_editor_assets', 'harrison_block_editor_assets' );


/**
 * Add body classes in Gutenberg Editor.
 */
function harrison_block_editor_body_classes( $classes ) {
	global $post;
	$current_screen = get_current_screen();

	// Return early if we are not in the Gutenberg Editor.
	if ( ! ( method_exists( $current_screen, 'is_block_editor' ) && $current_screen->is_block_editor() && 'post' === $current_screen->base ) ) {
		return $classes;
	}

	// Fullwidth Page Template?
	if ( 'templates/template-fullwidth.php' === get_page_template_slug( $post->ID ) ) {
		$classes .= ' tz-fullwidth-page-layout ';
	}

	// No Title Page Template?
	if ( 'templates/template-no-title.php' === get_page_template_slug( $post->ID ) ) {
		$classes .= ' tz-page-title-hidden ';
	}

	// Full-width / No Title Page Template?
	if ( 'templates/template-fullwidth-no-title.php' === get_page_template_slug( $post->ID ) ) {
		$classes .= ' tz-fullwidth-page-layout tz-page-title-hidden ';
	}

	return $classes;
}
add_filter( 'admin_body_class', 'harrison_block_editor_body_classes' );