<?php
namespace ElementorPro\Modules\DisplayConditions;

use Elementor\Controls_Manager;
use Elementor\Utils;
use ElementorPro\Base\Module_Base;
use ElementorPro\License\API;
use ElementorPro\Modules\DisplayConditions\Classes\Experiments;
use ElementorPro\Modules\DisplayConditions\Classes\Or_Condition;
use ElementorPro\Plugin;

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

class Module extends Module_Base {

	private $hidden_elements_ids = array();

	const LICENSE_FEATURE_NAME = 'display-conditions';

	public function __construct() {
		parent::__construct();

		if ( ! self::can_use_display_conditions() ) {
			$this->add_common_actions();
			return;
		}

		$this->register_display_conditions_experiments();
		$this->maybe_add_actions_and_components();
	}

	public static function is_experiment_active(): bool {
		return Plugin::elementor()::$instance->experiments->is_feature_active( self::LICENSE_FEATURE_NAME );
	}

	public static function should_show_promo(): bool {
		return ! self::can_use_display_conditions();
	}

	private function add_actions() {
		$this->add_render_actions();

		add_action( 'elementor/ajax/register_actions', [ $this, 'register_ajax_actions' ] );
		add_filter( 'elementor/element/is_dynamic_content', [ $this, 'filter_element_caching_is_dynamic_content' ], 10, 3 );
	}

	private function add_components() {
		$this->add_component( 'conditions', new Classes\Conditions_Manager( $this ) );
		$this->add_component( 'cache_notice', new Classes\Cache_Notice() );
	}

	private function add_common_actions() {
		$this->add_advanced_tab_actions();

		add_action( 'elementor/editor/before_enqueue_scripts', function() {
			$this->enqueue_main_script();
		} );
	}

	private function enqueue_main_script() {
		$min_suffix = Utils::is_script_debug() ? '' : '.min';

		wp_enqueue_script(
			'e-display-conditions',
			ELEMENTOR_PRO_ASSETS_URL . 'js/display-conditions' . $min_suffix . '.js',
			[
				'react',
				'react-dom',
				'backbone-marionette',
				'elementor-web-cli',
				'wp-date',
				'elementor-common',
				'elementor-editor-modules',
				'elementor-editor-document',
				'elementor-v2-ui',
				'elementor-v2-icons',
			],
			ELEMENTOR_PRO_VERSION,
			true
		);

		wp_set_script_translations( 'e-display-conditions', 'elementor-pro' );
	}

	private function add_advanced_tab_actions() {
		$hooks = array(
			'elementor/element/section/section_advanced/after_section_end' => 'css_classes', // Sections
			'elementor/element/column/section_advanced/after_section_end' => 'css_classes', // Columns
			'elementor/element/common/_section_style/after_section_end' => '_css_classes', // Widgets
			'elementor/element/container/section_layout/after_section_end' => 'css_classes', // Containers
		);

		foreach ( $hooks as $hook => $injection_position ) {
			add_action(
				$hook,
				function( $element, $args ) use ( $injection_position ) {
					$this->add_control_to_advanced_tab( $element, $args, $injection_position );
				},
				10,
				2
			);
		}
	}

	protected function add_render_actions() {
		$element_types = array(
			'section',
			'column',
			'widget',
			'container',
		);

		foreach ( $element_types as $el ) {
			add_action( 'elementor/frontend/' . $el . '/before_render', array( $this, 'before_element_render' ) );
			add_action( 'elementor/frontend/' . $el . '/after_render', array( $this, 'after_element_render' ) );
		}
	}

	private function add_control_to_advanced_tab( $element, $args, $injection_position ) {
		$element->start_injection(
			array(
				'of' => $injection_position,
			)
		);

		$element->add_control(
			'e_display_conditions_trigger',
			array(
				'type'      => Controls_Manager::RAW_HTML,
				'separator' => 'before',
				'raw'       => $this->get_display_conditions_control_template(),
			)
		);

		$element->add_control(
			'e_display_conditions',
			array(
				'type'      => Controls_Manager::HIDDEN,
			)
		);

		$element->end_injection();
	}

	private function get_display_conditions_control_template() {
		$icon_class = 'e-control-display-conditions';
		$show_promo = self::should_show_promo();

		if ( $show_promo ) {
			$icon_class .= '-promo';
		}

		ob_start();
		?>
		<div class="e-control-display-conditions__wrapper">
			<span class="e-control-display-conditions__desc">
				<?php echo esc_html__( 'Display Conditions', 'elementor-pro' ); ?>
				<?php if ( $show_promo ) : ?>
					<i class="eicon-lock"></i>
				<?php endif; ?>
			</span>
			<i class="eicon-flow <?php echo esc_attr( $icon_class ); ?>"></i>
		</div>
		<?php
		return ob_get_clean();
	}

	protected function get_saved_conditions( $settings ) {
		$conditions_json = ! empty( $settings['e_display_conditions'] ) ? $settings['e_display_conditions'] : [];

		return ! empty( $conditions_json ) && ! empty( $conditions_json[0] )
			? json_decode( $conditions_json[0], true )
			: [];
	}

	public function before_element_render( $element ) {
		$settings   = $element->get_settings_for_display();
		$is_visible = true;
		$saved_conditions = $this->get_saved_conditions( $settings );

		if ( empty( $settings['e_display_conditions'] ) || Plugin::elementor()->editor->is_edit_mode() || empty( $saved_conditions ) ) {
			return $is_visible;
		}

		$saved_conditions = $this->get_converted_conditions( $saved_conditions );
		$saved_conditions = new Or_Condition( $this->get_conditions_manager(), $saved_conditions );
		$is_visible = $saved_conditions->check();

		if ( ! $is_visible ) {
			add_filter( 'elementor/element/get_child_type', '__return_false' ); // Prevent getting content of inner elements.
			add_filter( 'elementor/frontend/' . $element->get_type() . '/should_render', '__return_false' );

			$this->hidden_elements_ids[] = $element->get_id();
		}
	}

	public function after_element_render( $element ) {
		if ( ! in_array( $element->get_id(), $this->hidden_elements_ids, true ) ) {
			return;
		}

		remove_filter( 'elementor/element/get_child_type', '__return_false' );
		remove_filter( 'elementor/frontend/' . $element->get_type() . '/should_render', '__return_false' );
	}

	public function register_display_conditions_experiments() {
		if ( ! self::can_use_display_conditions() ) {
			return;
		}

		Experiments::register_dc_experiment();
	}

	/**
	 * @return string
	 */
	public function get_name() {
		return static::LICENSE_FEATURE_NAME;
	}

	/**
	 * @return Classes\Conditions_Manager
	 */
	public function get_conditions_manager() {
		return $this->get_component( 'conditions' );
	}

	/**
	 * @param Ajax $ajax_manager
	 */
	public function register_ajax_actions( $ajax_manager ) {
		$ajax_manager->register_ajax_action( 'display_conditions_set_cache_notice_status', [ $this->get_component( 'cache_notice' ), 'set_notice_status' ] );
	}

	public function filter_element_caching_is_dynamic_content( $is_dynamic_content, $element_rqw_data, $element_instance ) {
		if ( ! empty( $element_rqw_data['settings']['e_display_conditions'] ) ) {
			$is_dynamic_content = true;
		}

		return $is_dynamic_content;
	}

	/**
	 * @return bool
	 */
	public static function can_use_display_conditions(): bool {
		if ( is_admin() ) {
			return API::is_license_active() && API::is_licence_has_feature( self::LICENSE_FEATURE_NAME, API::BC_VALIDATION_CALLBACK );
		}

		return API::is_licence_has_feature( self::LICENSE_FEATURE_NAME, API::BC_VALIDATION_CALLBACK );
	}

	/**
	 * @return void
	 */
	private function maybe_add_actions_and_components(): void {
		if ( self::is_experiment_active() ) {
			$this->add_common_actions();
			$this->add_actions();
			$this->add_components();
		}
	}

	private function get_converted_conditions( $conditions ) {
		foreach ( $conditions as $condition ) {
			if ( ! isset( $condition['condition'] ) ) {
				return $conditions;
			}
		}
		return count( $conditions )
			? [ $conditions ]
			: [];
	}
}