<?php
namespace Elementor\Core\Kits;

use Elementor\Core\Kits\Controls\Repeater;
use Elementor\Core\Kits\Documents\Tabs\Global_Colors;
use Elementor\Core\Kits\Documents\Tabs\Global_Typography;
use Elementor\Plugin;
use Elementor\Core\Files\CSS\Post as Post_CSS;
use Elementor\Core\Files\CSS\Post_Preview as Post_Preview;
use Elementor\Core\Documents_Manager;
use Elementor\Core\Kits\Documents\Kit;
use Elementor\TemplateLibrary\Source_Local;

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

class Manager {

	const OPTION_ACTIVE = 'elementor_active_kit';

	public function get_active_id() {
		$id = get_option( self::OPTION_ACTIVE );

		$kit_document = Plugin::$instance->documents->get( $id );

		if ( ! $kit_document || ! $kit_document instanceof Kit || 'trash' === $kit_document->get_main_post()->post_status ) {
			$id = $this->create_default();
			update_option( self::OPTION_ACTIVE, $id );
		}

		return $id;
	}

	public function get_active_kit() {
		$id = $this->get_active_id();

		return Plugin::$instance->documents->get( $id );
	}

	public function get_active_kit_for_frontend() {
		$id = $this->get_active_id();

		return Plugin::$instance->documents->get_doc_for_frontend( $id );
	}


	/**
	 * Init kit controls.
	 *
	 * A temp solution in order to avoid init kit group control from within another group control.
	 *
	 * After moving the `default_font` to the kit, the Typography group control cause initialize the kit controls at: https://github.com/elementor/elementor/blob/e6e1db9eddef7e3c1a5b2ba0c2338e2af2a3bfe3/includes/controls/groups/typography.php#L91
	 * and because the group control is a singleton, its args are changed to the last kit group control.
	 */
	public function init_kit_controls() {
		$this->get_active_kit_for_frontend()->get_settings();
	}

	public function get_current_settings( $setting = null ) {
		$kit = $this->get_active_kit_for_frontend();

		if ( ! $kit ) {
			return '';
		}

		return $kit->get_settings( $setting );
	}

	private function create_default() {
		$kit = Plugin::$instance->documents->create( 'kit', [
			'post_type' => Source_Local::CPT,
			'post_title' => __( 'Default Kit', 'elementor' ),
			'post_status' => 'publish',
		] );

		return $kit->get_id();
	}

	/**
	 * @param Documents_Manager $documents_manager
	 */
	public function register_document( $documents_manager ) {
		$documents_manager->register_document_type( 'kit', Kit::get_class_full_name() );
	}

	public function localize_settings( $settings ) {
		$kit = $this->get_active_kit();
		$kit_controls = $kit->get_controls();
		$design_system_controls = [
			'colors' => $kit_controls['system_colors']['fields'],
			'typography' => $kit_controls['system_typography']['fields'],
		];

		$settings = array_replace_recursive( $settings, [
			'kit_id' => $kit->get_main_id(),
			'kit_config' => [
				'typography_prefix' => Global_Typography::TYPOGRAPHY_GROUP_PREFIX,
				'design_system_controls' => $design_system_controls,
			],
			'user' => [
				'can_edit_kit' => $kit->is_editable_by_current_user(),
			],
			'i18n' => [
				'close' => __( 'Close', 'elementor' ),
				'back' => __( 'Back', 'elementor' ),
				'site_identity' => __( 'Site Identity', 'elementor' ),
				'lightbox' => __( 'Lightbox', 'elementor' ),
				'layout' => __( 'Layout', 'elementor' ),
				'theme_style' => __( 'Theme Style', 'elementor' ),
				'add_color' => __( 'Add Color', 'elementor' ),
				'add_style' => __( 'Add Style', 'elementor' ),
				'new_item' => __( 'New Item', 'elementor' ),
				'global_color' => __( 'Global Color', 'elementor' ),
				'global_fonts' => __( 'Global Fonts', 'elementor' ),
				'global_colors' => __( 'Global Colors', 'elementor' ),
				'invalid' => __( 'Invalid', 'elementor' ),
				'color_cannot_be_deleted' => __( 'System Color can\'t be deleted', 'elementor' ),
				'font_cannot_be_deleted' => __( 'System Font can\'t be deleted', 'elementor' ),
				'design_system' => __( 'Design System', 'elementor' ),
				'buttons' => __( 'Buttons', 'elementor' ),
				'images' => __( 'Images', 'elementor' ),
				'form_fields' => __( 'Form Fields', 'elementor' ),
				'background' => __( 'Background', 'elementor' ),
				'custom_css' => __( 'Custom CSS', 'elementor' ),
				'additional_settings' => __( 'Additional Settings', 'elementor' ),
				'kit_changes_updated' => __( 'Your changes have been updated.', 'elementor' ),
				'back_to_editor' => __( 'Back to Editor', 'elementor' ),
			],
		] );

		return $settings;
	}

	public function preview_enqueue_styles() {
		$kit = $this->get_kit_for_frontend();

		if ( $kit ) {
			// On preview, the global style is not enqueued.
			$this->frontend_before_enqueue_styles();

			Plugin::$instance->frontend->print_fonts_links();
		}
	}

	public function frontend_before_enqueue_styles() {
		$kit = $this->get_kit_for_frontend();

		if ( $kit ) {
			if ( $kit->is_autosave() ) {
				$css_file = Post_Preview::create( $kit->get_id() );
			} else {
				$css_file = Post_CSS::create( $kit->get_id() );
			}

			$css_file->enqueue();
		}
	}

	public function render_panel_html() {
		require __DIR__ . '/views/panel.php';
	}

	public function get_kit_for_frontend() {
		$kit = false;
		$active_kit = $this->get_active_kit();
		$is_kit_preview = is_preview() && isset( $_GET['preview_id'] ) && $active_kit->get_main_id() === (int) $_GET['preview_id'];

		if ( $is_kit_preview ) {
			$kit = Plugin::$instance->documents->get_doc_or_auto_save( $active_kit->get_main_id(), get_current_user_id() );
		} elseif ( 'publish' === $active_kit->get_main_post()->post_status ) {
			$kit = $active_kit;
		}

		return $kit;
	}

	public function update_kit_settings_based_on_option( $key, $value ) {
		/** @var Kit $active_kit */
		$active_kit = $this->get_active_kit();

		if ( $active_kit->is_saving() ) {
			return;
		}

		$active_kit->update_settings( [ $key => $value ] );
	}

	/**
	 * Map Scheme To Global
	 *
	 * Convert a given scheme value to its corresponding default global value
	 *
	 * @param string $type 'color'/'typography'
	 * @param $value
	 * @return mixed
	 */
	private function map_scheme_to_global( $type, $value ) {
		$schemes_to_globals_map = [
			'color' => [
				'1' => Global_Colors::COLOR_PRIMARY,
				'2' => Global_Colors::COLOR_SECONDARY,
				'3' => Global_Colors::COLOR_TEXT,
				'4' => Global_Colors::COLOR_ACCENT,
			],
			'typography' => [
				'1' => Global_Typography::TYPOGRAPHY_PRIMARY,
				'2' => Global_Typography::TYPOGRAPHY_SECONDARY,
				'3' => Global_Typography::TYPOGRAPHY_TEXT,
				'4' => Global_Typography::TYPOGRAPHY_ACCENT,
			],
		];

		return $schemes_to_globals_map[ $type ][ $value ];
	}

	/**
	 * Convert Scheme to Default Global
	 *
	 * If a control has a scheme property, convert it to a default Global.
	 *
	 * @param $scheme - Control scheme property
	 * @return array - Control/group control args
	 * @since 3.0.0
	 * @access public
	 */
	public function convert_scheme_to_global( $scheme ) {
		if ( isset( $scheme['type'] ) && isset( $scheme['value'] ) ) {
			//_deprecated_argument( $args['scheme'], '3.0.0', 'Schemes are now deprecated - use $args[\'global\'] instead.' );
			return $this->map_scheme_to_global( $scheme['type'], $scheme['value'] );
		}

		// Typography control 'scheme' properties usually only include the string with the typography value ('1'-'4').
		return $this->map_scheme_to_global( 'typography', $scheme );
	}

	public function register_controls() {
		$controls_manager = Plugin::$instance->controls_manager;

		$controls_manager->register_control( Repeater::CONTROL_TYPE, new Repeater() );
	}

	public function is_custom_colors_enabled() {
		return ! get_option( 'elementor_disable_color_schemes' );
	}

	public function is_custom_typography_enabled() {
		return ! get_option( 'elementor_disable_typography_schemes' );
	}

	/**
	 * Add kit wrapper body class.
	 *
	 * It should be added even for non Elementor pages,
	 * in order to support embedded templates.
	 */
	private function add_body_class() {
		$kit = $this->get_kit_for_frontend();

		if ( $kit ) {
			Plugin::$instance->frontend->add_body_class( 'elementor-kit-' . $kit->get_main_id() );
		}
	}

	public function __construct() {
		add_action( 'elementor/documents/register', [ $this, 'register_document' ] );
		add_filter( 'elementor/editor/localize_settings', [ $this, 'localize_settings' ] );
		add_filter( 'elementor/editor/footer', [ $this, 'render_panel_html' ] );
		add_action( 'elementor/frontend/after_enqueue_styles', [ $this, 'frontend_before_enqueue_styles' ], 0 );
		add_action( 'elementor/preview/enqueue_styles', [ $this, 'preview_enqueue_styles' ], 0 );
		add_action( 'elementor/controls/controls_registered', [ $this, 'register_controls' ] );

		add_action( 'update_option_blogname', function ( $old_value, $value ) {
			$this->update_kit_settings_based_on_option( 'site_name', $value );
		}, 10, 2 );

		add_action( 'update_option_blogdescription', function ( $old_value, $value ) {
			$this->update_kit_settings_based_on_option( 'site_description', $value );
		}, 10, 2 );

		add_action( 'wp_head', function() {
			$this->add_body_class();
		} );
	}
}
