<?php
/**
 * Helper methods
 *
 * @package     Kirki
 * @category    Core
 * @author      Aristeides Stathopoulos
 * @copyright   Copyright (c) 2017, Aristeides Stathopoulos
 * @license     http://opensource.org/licenses/https://opensource.org/licenses/MIT
 * @since       1.0
 */

// Exit if accessed directly.
if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

/**
 * A simple object containing static methods.
 */
class Kirki_Helper {

	/**
	 * Recursive replace in arrays.
	 *
	 * @static
	 * @access public
	 * @param array $array The first array.
	 * @param array $array1 The second array.
	 * @return mixed
	 */
	public static function array_replace_recursive( $array, $array1 ) {
		if ( function_exists( 'array_replace_recursive' ) ) {
			return array_replace_recursive( $array, $array1 );
		}

		// Handle the arguments, merge one by one.
		$args  = func_get_args();
		$array = $args[0];
		if ( ! is_array( $array ) ) {
			return $array;
		}
		$count = count( $args );
		for ( $i = 1; $i < $count; $i++ ) {
			if ( is_array( $args[ $i ] ) ) {
				$array = self::recurse( $array, $args[ $i ] );
			}
		}
		return $array;
	}

	/**
	 * Helper method to be used from the array_replace_recursive method.
	 *
	 * @static
	 * @access public
	 * @param array $array The first array.
	 * @param array $array1 The second array.
	 * @return array
	 */
	public static function recurse( $array, $array1 ) {
		foreach ( $array1 as $key => $value ) {
			// Create new key in $array, if it is empty or not an array.
			if ( ! isset( $array[ $key ] ) || ( isset( $array[ $key ] ) && ! is_array( $array[ $key ] ) ) ) {
				$array[ $key ] = array();
			}

			// Overwrite the value in the base array.
			if ( is_array( $value ) ) {
				$value = self::recurse( $array[ $key ], $value );
			}
			$array[ $key ] = $value;
		}
		return $array;
	}

	/**
	 * Initialize the WP_Filesystem
	 */
	public static function init_filesystem() {
		global $wp_filesystem;
		if ( empty( $wp_filesystem ) ) {
			require_once( ABSPATH . '/wp-admin/includes/file.php' );
			WP_Filesystem();
		}
	}

	/**
	 * Returns the attachment object
	 *
	 * @static
	 * @access public
	 * @see https://pippinsplugins.com/retrieve-attachment-id-from-image-url/
	 * @param string $url URL to the image.
	 * @return int|string Numeric ID of the attachement.
	 */
	public static function get_image_id( $url ) {
		global $wpdb;
		if ( empty( $url ) ) {
			return 0;
		}

		$attachment = wp_cache_get( 'kirki_image_id_' . md5( $url ), null );
		if ( false === $attachment ) {
			$attachment = $wpdb->get_col( $wpdb->prepare( "SELECT ID FROM $wpdb->posts WHERE guid = %s;", $url ) );
			wp_cache_add( 'kirki_image_id_' . md5( $url ), $attachment, null );
		}

		if ( ! empty( $attachment ) ) {
			return $attachment[0];
		}
		return 0;
	}

	/**
	 * Returns an array of the attachment's properties.
	 *
	 * @param string $url URL to the image.
	 * @return array
	 */
	public static function get_image_from_url( $url ) {

		$image_id = self::get_image_id( $url );
		$image    = wp_get_attachment_image_src( $image_id, 'full' );

		return array(
			'url'       => $image[0],
			'width'     => $image[1],
			'height'    => $image[2],
			'thumbnail' => $image[3],
		);

	}

	/**
	 * Get an array of posts.
	 *
	 * @static
	 * @access public
	 * @param array $args Define arguments for the get_posts function.
	 * @return array
	 */
	public static function get_posts( $args ) {

		if ( is_string( $args ) ) {
			$args = add_query_arg(
				array(
					'suppress_filters' => false,
				)
			);
		} elseif ( is_array( $args ) && ! isset( $args['suppress_filters'] ) ) {
			$args['suppress_filters'] = false;
		}

		// Get the posts.
		$posts = get_posts( $args );

		// Properly format the array.
		$items = array();
		foreach ( $posts as $post ) {
			$items[ $post->ID ] = $post->post_title;
		}
		wp_reset_postdata();

		return $items;

	}

	/**
	 * Get an array of publicly-querable taxonomies.
	 *
	 * @static
	 * @access public
	 * @return array
	 */
	public static function get_taxonomies() {

		$items = array();

		// Get the taxonomies.
		$taxonomies = get_taxonomies(
			array(
				'public' => true,
			)
		);

		// Build the array.
		foreach ( $taxonomies as $taxonomy ) {
			$id           = $taxonomy;
			$taxonomy     = get_taxonomy( $taxonomy );
			$items[ $id ] = $taxonomy->labels->name;
		}

		return $items;

	}

	/**
	 * Get an array of publicly-querable post-types.
	 *
	 * @static
	 * @access public
	 * @return array
	 */
	public static function get_post_types() {

		$items = array();

		// Get the post types.
		$post_types = get_post_types(
			array(
				'public' => true,
			), 'objects'
		);

		// Build the array.
		foreach ( $post_types as $post_type ) {
			$items[ $post_type->name ] = $post_type->labels->name;
		}

		return $items;

	}

	/**
	 * Get an array of terms from a taxonomy
	 *
	 * @static
	 * @access public
	 * @param string|array $taxonomies See https://developer.wordpress.org/reference/functions/get_terms/ for details.
	 * @return array
	 */
	public static function get_terms( $taxonomies ) {

		$items = array();

		// Get the post types.
		$terms = get_terms( $taxonomies );

		// Build the array.
		foreach ( $terms as $term ) {
			$items[ $term->term_id ] = $term->name;
		}

		return $items;

	}

	/**
	 * Gets an array of material-design colors.
	 *
	 * @static
	 * @access public
	 * @param string $context Allows us to get subsets of the palette.
	 * @return array
	 */
	public static function get_material_design_colors( $context = 'primary' ) {

		$colors = array(
			'primary'     => array( '#FFFFFF', '#000000', '#F44336', '#E91E63', '#9C27B0', '#673AB7', '#3F51B5', '#2196F3', '#03A9F4', '#00BCD4', '#009688', '#4CAF50', '#8BC34A', '#CDDC39', '#FFEB3B', '#FFC107', '#FF9800', '#FF5722', '#795548', '#9E9E9E', '#607D8B' ),
			'red'         => array( '#FFEBEE', '#FFCDD2', '#EF9A9A', '#E57373', '#EF5350', '#F44336', '#E53935', '#D32F2F', '#C62828', '#B71C1C', '#FF8A80', '#FF5252', '#FF1744', '#D50000' ),
			'pink'        => array( '#FCE4EC', '#F8BBD0', '#F48FB1', '#F06292', '#EC407A', '#E91E63', '#D81B60', '#C2185B', '#AD1457', '#880E4F', '#FF80AB', '#FF4081', '#F50057', '#C51162' ),
			'purple'      => array( '#F3E5F5', '#E1BEE7', '#CE93D8', '#BA68C8', '#AB47BC', '#9C27B0', '#8E24AA', '#7B1FA2', '#6A1B9A', '#4A148C', '#EA80FC', '#E040FB', '#D500F9', '#AA00FF' ),
			'deep-purple' => array( '#EDE7F6', '#D1C4E9', '#B39DDB', '#9575CD', '#7E57C2', '#673AB7', '#5E35B1', '#512DA8', '#4527A0', '#311B92', '#B388FF', '#7C4DFF', '#651FFF', '#6200EA' ),
			'indigo'      => array( '#E8EAF6', '#C5CAE9', '#9FA8DA', '#7986CB', '#5C6BC0', '#3F51B5', '#3949AB', '#303F9F', '#283593', '#1A237E', '#8C9EFF', '#536DFE', '#3D5AFE', '#304FFE' ),
			'blue'        => array( '#E3F2FD', '#BBDEFB', '#90CAF9', '#64B5F6', '#42A5F5', '#2196F3', '#1E88E5', '#1976D2', '#1565C0', '#0D47A1', '#82B1FF', '#448AFF', '#2979FF', '#2962FF' ),
			'light_blue'  => array( '#E1F5FE', '#B3E5FC', '#81D4fA', '#4fC3F7', '#29B6FC', '#03A9F4', '#039BE5', '#0288D1', '#0277BD', '#01579B', '#80D8FF', '#40C4FF', '#00B0FF', '#0091EA' ),
			'cyan'        => array( '#E0F7FA', '#B2EBF2', '#80DEEA', '#4DD0E1', '#26C6DA', '#00BCD4', '#00ACC1', '#0097A7', '#00838F', '#006064', '#84FFFF', '#18FFFF', '#00E5FF', '#00B8D4' ),
			'teal'        => array( '#E0F2F1', '#B2DFDB', '#80CBC4', '#4DB6AC', '#26A69A', '#009688', '#00897B', '#00796B', '#00695C', '#004D40', '#A7FFEB', '#64FFDA', '#1DE9B6', '#00BFA5' ),
			'green'       => array( '#E8F5E9', '#C8E6C9', '#A5D6A7', '#81C784', '#66BB6A', '#4CAF50', '#43A047', '#388E3C', '#2E7D32', '#1B5E20', '#B9F6CA', '#69F0AE', '#00E676', '#00C853' ),
			'light-green' => array( '#F1F8E9', '#DCEDC8', '#C5E1A5', '#AED581', '#9CCC65', '#8BC34A', '#7CB342', '#689F38', '#558B2F', '#33691E', '#CCFF90', '#B2FF59', '#76FF03', '#64DD17' ),
			'lime'        => array( '#F9FBE7', '#F0F4C3', '#E6EE9C', '#DCE775', '#D4E157', '#CDDC39', '#C0CA33', '#A4B42B', '#9E9D24', '#827717', '#F4FF81', '#EEFF41', '#C6FF00', '#AEEA00' ),
			'yellow'      => array( '#FFFDE7', '#FFF9C4', '#FFF590', '#FFF176', '#FFEE58', '#FFEB3B', '#FDD835', '#FBC02D', '#F9A825', '#F57F17', '#FFFF82', '#FFFF00', '#FFEA00', '#FFD600' ),
			'amber'       => array( '#FFF8E1', '#FFECB3', '#FFE082', '#FFD54F', '#FFCA28', '#FFC107', '#FFB300', '#FFA000', '#FF8F00', '#FF6F00', '#FFE57F', '#FFD740', '#FFC400', '#FFAB00' ),
			'orange'      => array( '#FFF3E0', '#FFE0B2', '#FFCC80', '#FFB74D', '#FFA726', '#FF9800', '#FB8C00', '#F57C00', '#EF6C00', '#E65100', '#FFD180', '#FFAB40', '#FF9100', '#FF6D00' ),
			'deep-orange' => array( '#FBE9A7', '#FFCCBC', '#FFAB91', '#FF8A65', '#FF7043', '#FF5722', '#F4511E', '#E64A19', '#D84315', '#BF360C', '#FF9E80', '#FF6E40', '#FF3D00', '#DD2600' ),
			'brown'       => array( '#EFEBE9', '#D7CCC8', '#BCAAA4', '#A1887F', '#8D6E63', '#795548', '#6D4C41', '#5D4037', '#4E342E', '#3E2723' ),
			'grey'        => array( '#FAFAFA', '#F5F5F5', '#EEEEEE', '#E0E0E0', '#BDBDBD', '#9E9E9E', '#757575', '#616161', '#424242', '#212121', '#000000', '#ffffff' ),
			'blue-grey'   => array( '#ECEFF1', '#CFD8DC', '#B0BBC5', '#90A4AE', '#78909C', '#607D8B', '#546E7A', '#455A64', '#37474F', '#263238' ),
		);

		switch ( $context ) {

			case '50':
			case '100':
			case '200':
			case '300':
			case '400':
			case '500':
			case '600':
			case '700':
			case '800':
			case '900':
			case 'A100':
			case 'A200':
			case 'A400':
			case 'A700':
				$key = absint( $context ) / 100;
				if ( 'A100' === $context ) {
					$key = 10;
					unset( $colors['grey'] );
				} elseif ( 'A200' === $context ) {
					$key = 11;
					unset( $colors['grey'] );
				} elseif ( 'A400' === $context ) {
					$key = 12;
					unset( $colors['grey'] );
				} elseif ( 'A700' === $context ) {
					$key = 13;
					unset( $colors['grey'] );
				}
				unset( $colors['primary'] );
				$position_colors = array();
				foreach ( $colors as $color_family ) {
					if ( isset( $color_family[ $key ] ) ) {
						$position_colors[] = $color_family[ $key ];
					}
				}
				return $position_colors;
			case 'all':
				unset( $colors['primary'] );
				$all_colors = array();
				foreach ( $colors as $color_family ) {
					foreach ( $color_family as $color ) {
						$all_colors[] = $color;
					}
				}
				return $all_colors;
			case 'primary':
				return $colors['primary'];
			default:
				if ( isset( $colors[ $context ] ) ) {
					return $colors[ $context ];
				}
				return $colors['primary'];
		} // End switch().
	}

	/**
	 * Get an array of all available dashicons.
	 *
	 * @static
	 * @access public
	 * @return array
	 */
	public static function get_dashicons() {

		$admin_menu = array(
			'menu',
			'admin-site',
			'dashboard',
			'admin-post',
			'admin-media',
			'admin-links',
			'admin-page',
			'admin-comments',
			'admin-appearance',
			'admin-plugins',
			'admin-users',
			'admin-tools',
			'admin-settings',
			'admin-network',
			'admin-home',
			'admin-generic',
			'admin-collapse',
			'filter',
			'admin-customizer',
			'admin-multisite',
		);

		$welcome_screen = array(
			'welcome-write-blog',
			'welcome-add-page',
			'welcome-view-site',
			'welcome-widgets-menus',
			'welcome-comments',
			'welcome-learn-more',
		);

		$post_formats = array(
			'format-aside',
			'format-image',
			'format-gallery',
			'format-video',
			'format-status',
			'format-quote',
			'format-chat',
			'format-audio',
			'camera',
			'images-alt',
			'images-alt2',
			'video-alt',
			'video-alt2',
			'video-alt3',
		);

		$media = array(
			'media-archive',
			'media-audio',
			'media-code',
			'media-default',
			'media-document',
			'media-interactive',
			'media-spreadsheet',
			'media-text',
			'media-video',
			'playlist-audio',
			'playlist-video',
			'controls-play',
			'controls-pause',
			'controls-forward',
			'controls-skipforward',
			'controls-back',
			'controls-skipback',
			'controls-repeat',
			'controls-volumeon',
			'controls-volumeoff',
		);

		$image_editing = array(
			'image-crop',
			'image-rotate',
			'image-rotate-left',
			'image-rotate-right',
			'image-flip-vertical',
			'image-flip-horizontal',
			'image-filter',
			'undo',
			'redo',
		);

		$tinymce = array(
			'editor-bold',
			'editor-italic',
			'editor-ul',
			'editor-ol',
			'editor-quote',
			'editor-alignleft',
			'editor-aligncenter',
			'editor-alignright',
			'editor-insertmore',
			'editor-spellcheck',
			'editor-expand',
			'editor-contract',
			'editor-kitchensink',
			'editor-underline',
			'editor-justify',
			'editor-textcolor',
			'editor-paste-word',
			'editor-paste-text',
			'editor-removeformatting',
			'editor-video',
			'editor-customchar',
			'editor-outdent',
			'editor-indent',
			'editor-help',
			'editor-strikethrough',
			'editor-unlink',
			'editor-rtl',
			'editor-break',
			'editor-code',
			'editor-paragraph',
			'editor-table',
		);

		$posts = array(
			'align-left',
			'align-right',
			'align-center',
			'align-none',
			'lock',
			'unlock',
			'calendar',
			'calendar-alt',
			'visibility',
			'hidden',
			'post-status',
			'edit',
			'trash',
			'sticky',
		);

		$sorting = array(
			'external',
			'arrow-up',
			'arrow-down',
			'arrow-right',
			'arrow-left',
			'arrow-up-alt',
			'arrow-down-alt',
			'arrow-right-alt',
			'arrow-left-alt',
			'arrow-up-alt2',
			'arrow-down-alt2',
			'arrow-right-alt2',
			'arrow-left-alt2',
			'sort',
			'leftright',
			'randomize',
			'list-view',
			'exerpt-view',
			'grid-view',
		);

		$social = array(
			'share',
			'share-alt',
			'share-alt2',
			'twitter',
			'rss',
			'email',
			'email-alt',
			'facebook',
			'facebook-alt',
			'googleplus',
			'networking',
		);

		$wordpress_org = array(
			'hammer',
			'art',
			'migrate',
			'performance',
			'universal-access',
			'universal-access-alt',
			'tickets',
			'nametag',
			'clipboard',
			'heart',
			'megaphone',
			'schedule',
		);

		$products = array(
			'wordpress',
			'wordpress-alt',
			'pressthis',
			'update',
			'screenoptions',
			'info',
			'cart',
			'feedback',
			'cloud',
			'translation',
		);

		$taxonomies = array(
			'tag',
			'category',
		);

		$widgets = array(
			'archive',
			'tagcloud',
			'text',
		);

		$notifications = array(
			'yes',
			'no',
			'no-alt',
			'plus',
			'plus-alt',
			'minus',
			'dismiss',
			'marker',
			'star-filled',
			'star-half',
			'star-empty',
			'flag',
			'warning',
		);

		$misc = array(
			'location',
			'location-alt',
			'vault',
			'shield',
			'shield-alt',
			'sos',
			'search',
			'slides',
			'analytics',
			'chart-pie',
			'chart-bar',
			'chart-line',
			'chart-area',
			'groups',
			'businessman',
			'id',
			'id-alt',
			'products',
			'awards',
			'forms',
			'testimonial',
			'portfolio',
			'book',
			'book-alt',
			'download',
			'upload',
			'backup',
			'clock',
			'lightbulb',
			'microphone',
			'desktop',
			'tablet',
			'smartphone',
			'phone',
			'index-card',
			'carrot',
			'building',
			'store',
			'album',
			'palmtree',
			'tickets-alt',
			'money',
			'smiley',
			'thumbs-up',
			'thumbs-down',
			'layout',
		);

		return array(
			'admin-menu'     => $admin_menu,
			'welcome-screen' => $welcome_screen,
			'post-formats'   => $post_formats,
			'media'          => $media,
			'image-editing'  => $image_editing,
			'tinymce'        => $tinymce,
			'posts'          => $posts,
			'sorting'        => $sorting,
			'social'         => $social,
			'wordpress_org'  => $wordpress_org,
			'products'       => $products,
			'taxonomies'     => $taxonomies,
			'widgets'        => $widgets,
			'notifications'  => $notifications,
			'misc'           => $misc,
		);

	}
}
