<?php

if ( ! defined( 'ABSPATH' ) ) { exit; }

class AIEO_DMM_Contact_Form extends AIEO_DMM_Module_Base {

	const SCHEMA_OPTION  = 'aieo_contact_form_schema_version';
	const SCHEMA_VERSION = '1';

	public function get_id()       { return 'contact_form'; }
	public function get_icon()     { return 'mail'; }
	public function get_label()    { return __( 'Contact Form', 'ai-eshop-optimizer' ); }
	public function get_priority() { return 22; }
	public function get_group()    { return 'customer_profiling'; }
	public function get_section()  { return 'voice'; }

	
	
	

	public function get_tab_arg() { return 'cf_section'; }

	
	public function get_tabs() {
		return array(
			'messages' => array('label' => __( 'Messages', 'ai-eshop-optimizer' ), 'icon' => 'inbox'),
			'settings' => array(
				'label' => __( 'Settings', 'ai-eshop-optimizer' ),
				'icon'  => 'settings',
				'query' => array( 'cf_section' => 'settings' ),
				'align' => 'right',
			),
		);
	}

	
	
	

	public function register_hooks() {
		self::load_shared();

		add_action( 'plugins_loaded', array( $this, 'maybe_install' ), 20 );

		add_action( 'wp_ajax_aieo_dmm_contact_form_save',   array( $this, 'ajax_save_settings' ) );
		add_action( 'wp_ajax_aieo_dmm_contact_form_status', array( $this, 'ajax_set_status' ) );
		add_action( 'wp_ajax_aieo_dmm_contact_form_delete', array( $this, 'ajax_delete' ) );

		
		add_action( 'admin_init', array( $this, 'maybe_handle_contact_page' ) );
		add_action( 'after_switch_theme', array( __CLASS__, 'on_theme_switch' ) );
		add_action( 'wp_ajax_aieo_dmm_contact_form_create_page', array( $this, 'ajax_create_page' ) );
		add_action( 'wp_ajax_aieo_dmm_contact_form_add_form', array( $this, 'ajax_add_form' ) );
		add_action( 'wp_ajax_aieo_dmm_contact_form_dismiss_page_notice', array( $this, 'ajax_dismiss_page_notice' ) );

		add_filter( 'woocommerce_email_classes', array( 'AIEO_Contact_Form_Mailer', 'register_wc_emails' ) );

		
		
		add_action( 'enqueue_block_editor_assets', array( $this, 'editor_data' ) );
		add_action( 'enqueue_block_assets', array( $this, 'editor_style' ) );

		
		add_filter( 'wp_privacy_personal_data_exporters', array( 'AIEO_Contact_Form_Store', 'register_exporter' ) );
		add_filter( 'wp_privacy_personal_data_erasers', array( 'AIEO_Contact_Form_Store', 'register_eraser' ) );

		
		
		if ( function_exists( 'pll_register_string' ) ) {
			add_action( 'admin_init', static function () {
				AIEO_Contact_Form_Settings::register_strings( AIEO_Contact_Form_Settings::get( true ) );
			} );
		}

		
		
		if ( class_exists( 'AIEO_Contact_Form_Ajax' ) ) {
			AIEO_Contact_Form_Ajax::register_worker();
		}

		
		if ( ! defined( 'AIEO_RUNTIME_OWNS_CONTACT_FORM' ) && class_exists( 'AIEO_Contact_Form' ) ) {
			AIEO_Contact_Form_Ajax::register();
			AIEO_Contact_Form::register_cache_compat();
			add_action( 'init', array( 'AIEO_Contact_Form', 'register_frontend' ), 9 );
		}
	}

	
	public static function load_shared() {
		$dir = defined( 'AIEO_DIR' ) ? AIEO_DIR : trailingslashit( dirname( __FILE__, 4 ) );
		foreach ( array(
			'AIEO_Contact_Form_Settings' => 'includes/dmm/contact-form/class-aieo-contact-form-settings.php',
			'AIEO_Contact_Form_Store'    => 'includes/dmm/contact-form/class-aieo-contact-form-store.php',
			'AIEO_Contact_Form'          => 'includes/dmm/contact-form/class-aieo-contact-form.php',
			'AIEO_Contact_Form_Ajax'     => 'includes/dmm/contact-form/class-aieo-contact-form-ajax.php',
			'AIEO_Contact_Form_Mailer'   => 'includes/dmm/contact-form/class-aieo-contact-form-mailer.php',
		) as $class => $rel ) {
			if ( class_exists( $class ) ) { continue; }
			if ( is_readable( $dir . $rel ) ) { require_once $dir . $rel; }
		}
	}

	
	public function editor_data() {
		self::load_shared();
		if ( ! class_exists( 'AIEO_Contact_Form_Settings' ) ) { return; }
		$s   = AIEO_Contact_Form_Settings::get();
		$cfg = AIEO_Contact_Form_Settings::placement( $s );
		$l   = AIEO_Contact_Form::labels( $s );
		unset( $l['email'] );
		$data = array(
			'show'         => $cfg['show'],
			'req'          => $cfg['req'],
			'names'        => $cfg['names'],
			'rows'         => $cfg['rows'],
			'labels'       => $l,
			'companyLabel' => (string) $s['company_label'],
			'button'       => (string) $s['button_text'],
		);
		wp_add_inline_script(
			'aieo-contact-form-editor-script',
			'window.aieoContactFormEditor = ' . wp_json_encode( $data ) . ';',
			'before'
		);
	}

	
	public function editor_style() {
		if ( ! is_admin() || ! defined( 'AIEO_FILE' ) || ! defined( 'AIEO_DIR' ) ) { return; }
		$rel = 'assets/css/aieo-contact-form.css';
		if ( ! file_exists( AIEO_DIR . $rel ) ) { return; }
		wp_enqueue_style( 'aieo-contact-form-editor', plugins_url( $rel, AIEO_FILE ), array(), (string) filemtime( AIEO_DIR . $rel ) );
	}

	
	public function maybe_install() {
		$schema = defined( 'AIEO_DIR' ) ? AIEO_DIR . 'includes/dmm/contact-form/sql/contact-form-schema.php' : '';
		if ( '' === $schema || ! is_readable( $schema ) ) { return; }
		require_once $schema;
		if ( function_exists( 'aieo_install_schema_once' ) ) {
			aieo_install_schema_once( self::SCHEMA_OPTION, self::SCHEMA_VERSION, 'aieo_contact_form_install_schema' );
			return;
		}
		if ( get_option( self::SCHEMA_OPTION, '' ) !== self::SCHEMA_VERSION ) {
			aieo_contact_form_install_schema();
			update_option( self::SCHEMA_OPTION, self::SCHEMA_VERSION, false );
		}
	}

	
	
	

	public function render_subtab() {
		self::load_shared();
		$tabs    = $this->get_tabs();
		$section = isset( $_GET['cf_section'] ) ? sanitize_key( (string) $_GET['cf_section'] ) : 'messages';
		if ( ! isset( $tabs[ $section ] ) ) { $section = 'messages'; }

		AIEO_DMM_UI::tab_strip( $this->get_id(), $tabs, $section, array(
			'arg'     => $this->get_tab_arg(),
			'wrapper' => 'div',
			'margin'  => '14px',
			'counts'  => array( 'messages' => AIEO_Contact_Form_Store::count_new() ),
		) );

		$recipients = AIEO_Contact_Form_Mailer::recipients();

		if ( 'settings' === $section ) {
			$this->render_template( 'contact-form-settings.php', array(
				
				
				
				'settings'      => AIEO_Contact_Form_Settings::get( true ),
				'i18n_defaults' => AIEO_Contact_Form_Settings::i18n_labels(),
				'recipients'    => $recipients,
				'countries'     => AIEO_Contact_Form::countries(),
				'base_country'  => AIEO_Contact_Form::default_country( array( 'default_country' => '' ) ),
			) );
			return;
		}

		$id = isset( $_GET['message_id'] ) ? (int) $_GET['message_id'] : 0;
		if ( $id > 0 ) {
			$msg = AIEO_Contact_Form_Store::get( $id );
			if ( $msg ) {
				
				if ( AIEO_Contact_Form_Store::mark_read_if_new( $id ) ) {
					$msg = AIEO_Contact_Form_Store::get( $id );
				}
				$this->render_template( 'contact-form-detail.php', array( 'msg' => $msg ) );
				return;
			}
		}

		$per_page = 50;
		$filters  = array(
			'status'   => isset( $_GET['cf_status'] ) ? sanitize_key( wp_unslash( (string) $_GET['cf_status'] ) ) : '',
			'search'   => isset( $_GET['cf_s'] ) ? sanitize_text_field( wp_unslash( (string) $_GET['cf_s'] ) ) : '',
			'per_page' => $per_page,
			'paged'    => max( 1, isset( $_GET['cf_paged'] ) ? (int) $_GET['cf_paged'] : 1 ),
		);
		$listing = AIEO_Contact_Form_Store::list_messages( $filters );
		$this->render_template( 'contact-form.php', array(
			'rows'          => $listing['rows'],
			'total'         => $listing['total'],
			'per_page'      => $per_page,
			'filters'       => $filters,
			'status_counts' => AIEO_Contact_Form_Store::status_counts(),
			'recipients'    => $recipients,
			'table_ready'   => AIEO_Contact_Form_Store::ready(),
			'contact_page'  => self::contact_page(),
		) );
	}

	
	
	
	

	
	const PAGE_META = '_aieo_contact_page';

	
	const PAGE_OPTION = 'aieo_contact_page_id';

	
	const PAGE_TODO = 'aieo_contact_page_todo';

	
	const PAGE_NOTICE_DISMISSED = 'aieo_contact_page_notice_dismissed';

	
	public static function contact_page() {
		foreach ( array( 'contact', 'contact-us' ) as $slug ) {
			$page = get_page_by_path( $slug, OBJECT, 'page' );
			if ( $page instanceof WP_Post && 'trash' !== $page->post_status ) {
				return $page;
			}
		}
		return null;
	}

	
	public static function page_has_form( $page ) {
		$content = (string) $page->post_content;
		if ( has_block( 'aieo/contact-form', $content ) || has_shortcode( $content, 'aieo_contact_form' ) ) {
			return true;
		}
		$patterns = class_exists( 'WP_Block_Patterns_Registry' ) ? WP_Block_Patterns_Registry::get_instance() : null;
		foreach ( array( 'rooster/page-contact', 'rooster/contact' ) as $slug ) {
			if ( $patterns && $patterns->is_registered( $slug ) && false !== strpos( $content, '"slug":"' . $slug . '"' ) ) {
				return true;
			}
		}
		return false;
	}

	
	public static function page_content() {
		if ( class_exists( 'WP_Block_Patterns_Registry' ) && WP_Block_Patterns_Registry::get_instance()->is_registered( 'rooster/page-contact' ) ) {
			return '<!-- wp:pattern {"slug":"rooster/page-contact"} /-->';
		}
		$switched = function_exists( 'switch_to_locale' ) && get_locale() !== determine_locale() && switch_to_locale( get_locale() );
		$content  = '<!-- wp:heading -->' . "\n" . '<h2 class="wp-block-heading">' . esc_html__( 'Send us a message', 'ai-eshop-optimizer' ) . '</h2>' . "\n" . '<!-- /wp:heading -->' . "\n\n"
			. '<!-- wp:paragraph -->' . "\n" . '<p>' . esc_html__( 'We answer as soon as we can.', 'ai-eshop-optimizer' ) . '</p>' . "\n" . '<!-- /wp:paragraph -->' . "\n\n"
			. '<!-- wp:aieo/contact-form /-->';
		if ( $switched ) {
			restore_previous_locale();
		}
		return $content;
	}

	
	public static function create_contact_page() {
		$existing = self::contact_page();
		if ( $existing ) {
			return (int) $existing->ID;
		}
		$content = self::page_content();
		$id      = wp_insert_post( array(
			'post_title'   => _x( 'Contact', 'the page', 'ai-eshop-optimizer' ),
			'post_name'    => 'contact',
			'post_content' => $content,
			'post_status'  => 'publish',
			'post_type'    => 'page',
		) );
		if ( is_wp_error( $id ) || ! $id ) {
			return 0;
		}
		update_post_meta( (int) $id, self::PAGE_META, md5( $content ) );
		update_option( self::PAGE_OPTION, (int) $id, false );
		return (int) $id;
	}

	
	public static function page_is_ours_unedited( $page ) {
		$hash = (string) get_post_meta( $page->ID, self::PAGE_META, true );
		return '' !== $hash && md5( (string) $page->post_content ) === $hash;
	}

	
	public static function on_theme_switch() {
		if ( get_option( self::PAGE_OPTION ) ) {
			update_option( self::PAGE_TODO, 'rebuild', false );
		}
	}

	
	public function maybe_handle_contact_page() {
		$todo = (string) get_option( self::PAGE_TODO, '' );
		if ( '' === $todo ) {
			return;
		}
		delete_option( self::PAGE_TODO );
		if ( 'create' === $todo ) {
			self::create_contact_page();
			return;
		}
		$page = get_post( (int) get_option( self::PAGE_OPTION, 0 ) );
		if ( $page instanceof WP_Post && 'page' === $page->post_type && self::page_is_ours_unedited( $page ) ) {
			$content = self::page_content();
			if ( $content !== $page->post_content ) {
				wp_update_post( array( 'ID' => $page->ID, 'post_content' => $content ) );
				update_post_meta( $page->ID, self::PAGE_META, md5( $content ) );
			}
		}
	}

	
	public function ajax_create_page() {
		AIEO_DMM::verify_ajax_request();
		$id = self::create_contact_page();
		if ( ! $id ) {
			wp_send_json_error( array( 'message' => __( 'Could not create the page.', 'ai-eshop-optimizer' ) ), 500 );
		}
		wp_send_json_success( array( 'page_id' => $id ) );
	}

	
	public function ajax_add_form() {
		AIEO_DMM::verify_ajax_request();
		$page = self::contact_page();
		if ( ! $page || self::page_has_form( $page ) ) {
			wp_send_json_success();
		}
		$done = wp_update_post( array( 'ID' => $page->ID, 'post_content' => rtrim( (string) $page->post_content ) . "\n\n" . '<!-- wp:aieo/contact-form /-->' ), true );
		if ( is_wp_error( $done ) ) {
			wp_send_json_error( array( 'message' => __( 'Could not change the page.', 'ai-eshop-optimizer' ) ), 500 );
		}
		wp_send_json_success();
	}

	
	public function ajax_dismiss_page_notice() {
		AIEO_DMM::verify_ajax_request();
		update_option( self::PAGE_NOTICE_DISMISSED, 1, false );
		wp_send_json_success();
	}

	
	public static function status_labels() {
		return array(
			'new'     => __( 'New', 'ai-eshop-optimizer' ),
			'read'    => _x( 'Read', 'contact message status', 'ai-eshop-optimizer' ),
			'replied' => __( 'Replied', 'ai-eshop-optimizer' ),
			'spam'    => __( 'Spam', 'ai-eshop-optimizer' ),
		);
	}

	
	
	

	public function ajax_save_settings() {
		AIEO_DMM::verify_ajax_request();
		self::load_shared();

		$existing = get_option( AIEO_Contact_Form_Settings::OPTION_KEY, array() );
		if ( ! is_array( $existing ) ) { $existing = array(); }
		$data = array();

		
		$checks = array( 'enabled', 'ack_enabled', 'consent_enabled' );
		foreach ( AIEO_Contact_Form_Settings::FIELDS as $f ) {
			if ( 'email' === $f ) { continue; }
			$checks[] = 'show_' . $f;
			$checks[] = 'req_' . $f;
		}
		foreach ( $checks as $k ) {
			if ( isset( $_POST[ 'has_' . $k ] ) ) {
				$data[ $k ] = ! empty( $_POST[ $k ] ) ? 'yes' : 'no';
			}
		}
		foreach ( array(
			'recipients', 'staff_subject', 'ack_subject', 'form_title', 'form_intro', 'button_text',
			'company_label', 'consent_text', 'consent_link_text',
		) as $k ) {
			if ( isset( $_POST[ $k ] ) ) {
				$data[ $k ] = sanitize_text_field( wp_unslash( (string) $_POST[ $k ] ) );
			}
		}
		foreach ( array( 'ack_body', 'success_message' ) as $k ) {
			if ( isset( $_POST[ $k ] ) ) {
				$data[ $k ] = sanitize_textarea_field( wp_unslash( (string) $_POST[ $k ] ) );
			}
		}
		foreach ( array( 'redirect_url', 'consent_url' ) as $k ) {
			if ( isset( $_POST[ $k ] ) ) {
				$data[ $k ] = esc_url_raw( trim( wp_unslash( (string) $_POST[ $k ] ) ) );
			}
		}
		if ( isset( $_POST['name_layout'] ) ) {
			$data['name_layout'] = ( 'stacked' === sanitize_key( wp_unslash( (string) $_POST['name_layout'] ) ) ) ? 'stacked' : 'inline';
		}
		if ( isset( $_POST['message_rows'] ) ) {
			$data['message_rows'] = max( AIEO_Contact_Form_Settings::ROWS_MIN, min( AIEO_Contact_Form_Settings::ROWS_MAX, (int) $_POST['message_rows'] ) );
		}
		if ( isset( $_POST['default_country'] ) ) {
			$c = strtoupper( preg_replace( '/[^A-Za-z]/', '', wp_unslash( (string) $_POST['default_country'] ) ) );
			$data['default_country'] = ( 2 === strlen( $c ) ) ? $c : '';
		}

		$merged = array_merge( $existing, $data );
		update_option( AIEO_Contact_Form_Settings::OPTION_KEY, $merged, false );
		AIEO_Contact_Form_Settings::register_strings( array_merge( AIEO_Contact_Form_Settings::defaults(), $merged ) );

		
		do_action( 'aieo_contact_form_settings_saved' );

		wp_send_json_success( array( 'message' => __( 'Contact form settings saved.', 'ai-eshop-optimizer' ) ) );
	}

	
	public function ajax_set_status() {
		AIEO_DMM::verify_ajax_request();
		self::load_shared();
		$ids    = isset( $_POST['ids'] ) ? AIEO_Contact_Form_Store::clean_ids( wp_unslash( (array) $_POST['ids'] ) ) : array();
		$status = isset( $_POST['status'] ) ? sanitize_key( wp_unslash( (string) $_POST['status'] ) ) : '';
		if ( ! $ids || ! in_array( $status, AIEO_Contact_Form_Store::STATUSES, true ) ) {
			wp_send_json_error( array( 'message' => __( 'Invalid request.', 'ai-eshop-optimizer' ) ) );
		}
		$n = AIEO_Contact_Form_Store::set_status( $ids, $status );
		wp_send_json_success( array( 'updated' => $n, 'message' => __( 'Saved.', 'ai-eshop-optimizer' ) ) );
	}

	
	public function ajax_delete() {
		AIEO_DMM::verify_ajax_request();
		self::load_shared();
		$ids = isset( $_POST['ids'] ) ? AIEO_Contact_Form_Store::clean_ids( wp_unslash( (array) $_POST['ids'] ) ) : array();
		if ( ! $ids ) {
			wp_send_json_error( array( 'message' => __( 'Invalid request.', 'ai-eshop-optimizer' ) ) );
		}
		wp_send_json_success( array( 'deleted' => AIEO_Contact_Form_Store::delete( $ids ) ) );
	}
}