<?php

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

class AIEO_DMM_Product_Requests extends AIEO_DMM_Module_Base {

	const SCHEMA_OPTION  = 'aieo_product_requests_schema_version';
	
	
	
	const SCHEMA_VERSION = '2';

	public function get_id()       { return 'product_requests'; }
	public function get_icon()     { return 'inbox'; }
	public function get_label()    { return __( 'Product Requests', 'ai-eshop-optimizer' ); }
	public function get_priority() { return 21; } 
	public function get_group()    { return 'customer_profiling'; }
	public function get_section()  { return 'demand'; }

	
	
	

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

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

		
		add_action( 'wp_ajax_aieo_dmm_product_requests_save',   array( $this, 'ajax_save_settings' ) );
		add_action( 'wp_ajax_aieo_dmm_product_requests_update', array( $this, 'ajax_update_request' ) );
		add_action( 'wp_ajax_aieo_dmm_product_requests_delete', array( $this, 'ajax_delete_request' ) );
		add_action( 'admin_post_aieo_product_requests_export',  array( $this, 'export_csv' ) );

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

		
		
		add_filter( 'woocommerce_email_classes', array( $this, 'register_email_class' ) );

		
		
		
		
		add_action( 'init', array( $this, 'register_notify_worker' ), 5 );

		
		add_action( 'woocommerce_product_options_advanced', array( $this, 'render_product_override' ) );
		add_action( 'woocommerce_process_product_meta',     array( $this, 'save_product_override' ) );

		
		
		
		if ( class_exists( 'AIEO_Product_Request_Form' ) ) {
			AIEO_Product_Request_Form::register_cache_compat();
		}

		
		
		
		
		if ( ! defined( 'AIEO_RUNTIME_OWNS_PRODUCT_REQUESTS' ) ) {
			$this->register_frontend();
		}
	}

	
	public static function load_shared() {
		$dir = defined( 'AIEO_DIR' ) ? AIEO_DIR : trailingslashit( dirname( __FILE__, 4 ) );
		$map = array(
			'AIEO_Product_Request_Settings' => 'includes/dmm/product-requests/class-aieo-product-request-settings.php',
			'AIEO_Product_Request_Store'    => 'includes/dmm/product-requests/class-aieo-product-request-store.php',
			'AIEO_Product_Request_Trail'    => 'includes/dmm/product-requests/class-aieo-product-request-trail.php',
			'AIEO_Product_Request_Form'     => 'includes/dmm/product-requests/class-aieo-product-request-form.php',
			'AIEO_Product_Request_Ajax'     => 'includes/dmm/product-requests/class-aieo-product-request-ajax.php',
			'AIEO_Product_Request_Mailer'   => 'includes/dmm/product-requests/class-aieo-email-product-request.php',
		);
		foreach ( $map as $class => $rel ) {
			if ( class_exists( $class ) ) { continue; }
			$path = $dir . $rel;
			if ( is_readable( $path ) ) { require_once $path; }
		}
	}

	
	public function register_notify_worker() {
		if ( ! class_exists( 'AIEO_Product_Request_Ajax' ) ) { return; }
		if ( defined( 'AIEO_RUNTIME_OWNS_PRODUCT_REQUESTS' ) ) {
			
			return;
		}
		AIEO_Product_Request_Ajax::register();
	}

	
	public function register_frontend() {
		if ( ! class_exists( 'AIEO_Product_Request_Form' ) ) { return; }
		
		
		
		add_action( 'init', array( 'AIEO_Product_Request_Form', 'register_frontend' ), 9 );
	}

	
	public function maybe_install() {
		$schema = defined( 'AIEO_DIR' ) ? AIEO_DIR . 'includes/dmm/product-requests/sql/product-requests-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_product_requests_install_schema' );
			return;
		}
		if ( get_option( self::SCHEMA_OPTION, '' ) !== self::SCHEMA_VERSION ) {
			aieo_product_requests_install_schema();
			update_option( self::SCHEMA_OPTION, self::SCHEMA_VERSION, false );
		}
	}

	
	
	

	
	
	

	
	public function register_email_class( $emails ) {
		if ( ! is_array( $emails ) ) { return $emails; }
		
		
		
		if ( ! class_exists( 'AIEO_Product_Request_Mailer' ) ) { self::load_shared(); }
		if ( ! class_exists( 'AIEO_Product_Request_Mailer' ) || ! AIEO_Product_Request_Mailer::load_wc_email() ) {
			return $emails;
		}
		if ( ! isset( $emails['aieo_product_request'] ) ) {
			$emails['aieo_product_request'] = new AIEO_Email_Product_Request();
		}
		return $emails;
	}

	
	
	

	
	public function render_product_override() {
		global $post;
		if ( ! $post ) { return; }
		$val = (string) get_post_meta( (int) $post->ID, AIEO_Product_Request_Settings::OVERRIDE_META, true );
		echo '<div class="options_group">';
		woocommerce_wp_select( array(
			'id'          => '_aieo_product_request_display',
			'label'       => __( 'Product request card', 'ai-eshop-optimizer' ),
			'description' => __( 'Overrides the site-wide display rule for this product only.', 'ai-eshop-optimizer' ),
			'desc_tip'    => true,
			'value'       => $val,
			'options'     => array(
				''     => __( 'Follow the site rule', 'ai-eshop-optimizer' ),
				'show' => __( 'Always show it here', 'ai-eshop-optimizer' ),
				'hide' => __( 'Never show it here', 'ai-eshop-optimizer' ),
			),
		) );
		echo '</div>';
	}

	
	public function save_product_override( $post_id ) {
		$post_id = (int) $post_id;
		if ( $post_id <= 0 ) { return; }
		
		$v = isset( $_POST['_aieo_product_request_display'] ) ? sanitize_key( wp_unslash( (string) $_POST['_aieo_product_request_display'] ) ) : '';
		if ( ! in_array( $v, array( '', 'show', 'hide' ), true ) ) { $v = ''; }
		if ( '' === $v ) {
			delete_post_meta( $post_id, AIEO_Product_Request_Settings::OVERRIDE_META );
		} else {
			update_post_meta( $post_id, AIEO_Product_Request_Settings::OVERRIDE_META, $v );
		}
	}

	
	
	

	public function get_settings( $raw = false ) {
		return AIEO_Product_Request_Settings::get( $raw );
	}

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

		$request_id = isset( $_GET['request_id'] ) ? (int) $_GET['request_id'] : 0;
		if ( $request_id > 0 ) {
			$request = AIEO_Product_Request_Store::get_request( $request_id );
			if ( $request ) {
				$this->render_template( 'product-requests-detail.php', array(
					'request'  => $request,
					'trail'    => AIEO_Product_Request_Trail::for_request( $request ),
					'attr'     => AIEO_Product_Request_Store::attribution_of( $request ),
					'settings' => $this->get_settings(),
				) );
				return;
			}
		}

		$per_page = 50;
		$paged    = max( 1, isset( $_GET['pr_paged'] ) ? (int) $_GET['pr_paged'] : 1 );
		$filters  = array(
			'status'   => isset( $_GET['pr_status'] ) ? sanitize_key( wp_unslash( (string) $_GET['pr_status'] ) ) : '',
			'type'     => isset( $_GET['pr_type'] ) ? sanitize_key( wp_unslash( (string) $_GET['pr_type'] ) ) : '',
			'campaign' => isset( $_GET['pr_campaign'] ) ? sanitize_text_field( wp_unslash( (string) $_GET['pr_campaign'] ) ) : '',
			'from'     => isset( $_GET['pr_from'] ) ? sanitize_text_field( wp_unslash( (string) $_GET['pr_from'] ) ) : '',
			'to'       => isset( $_GET['pr_to'] ) ? sanitize_text_field( wp_unslash( (string) $_GET['pr_to'] ) ) : '',
			'search'   => isset( $_GET['pr_s'] ) ? sanitize_text_field( wp_unslash( (string) $_GET['pr_s'] ) ) : '',
			'per_page' => $per_page,
			'paged'    => $paged,
		);

		$listing = AIEO_Product_Request_Store::list_requests( $filters );

		$this->render_template( 'product-requests.php', array(
			
			
			
			
			'settings'      => $this->get_settings( true ),
			'i18n_defaults' => $this->get_settings(),
			'rows'          => $listing['rows'],
			'total'         => $listing['total'],
			'per_page'      => $per_page,
			'current_page'  => $paged,
			'filters'       => $filters,
			'status_counts' => AIEO_Product_Request_Store::status_counts(),
			'recipients'    => AIEO_Product_Request_Mailer::recipients( 'quote' ),
		) );
	}

	
	
	

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

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

		
		
		
		foreach ( array(
			'enabled', 'frontend_enabled', 'ack_enabled', 'finish_enabled',
			'field_name', 'field_phone', 'field_qty', 'field_message', 'field_consent',
		) as $k ) {
			if ( isset( $_POST[ 'has_' . $k ] ) ) {
				$data[ $k ] = ! empty( $_POST[ $k ] ) ? 'yes' : 'no';
			}
		}

		foreach ( array(
			'form_title', 'form_intro', 'form_button_text', 'field_email_label',
			'title_contact', 'title_callback', 'button_contact', 'button_callback',
			'field_name_label', 'field_phone_label', 'field_qty_label', 'field_message_label',
			'consent_text', 'consent_link_text', 'add_button_text', 'add_button_text_first', 'added_text',
			'remove_button_text',
			'review_text', 'basket_title', 'basket_empty_text', 'remove_text',
			'finish_button_text', 'ack_subject',
			'recipients', 'recipients_quote', 'recipients_contact', 'recipients_callback',
		) as $k ) {
			if ( isset( $_POST[ $k ] ) ) {
				$data[ $k ] = sanitize_text_field( wp_unslash( (string) $_POST[ $k ] ) );
			}
		}

		foreach ( array( 'form_success_message', 'ack_message', 'basket_empty_text' ) as $k ) {
			if ( isset( $_POST[ $k ] ) ) {
				$data[ $k ] = sanitize_textarea_field( wp_unslash( (string) $_POST[ $k ] ) );
			}
		}

		if ( isset( $_POST['consent_url'] ) ) {
			$data['consent_url'] = esc_url_raw( wp_unslash( (string) $_POST['consent_url'] ) );
		}

		if ( isset( $_POST['display_rule'] ) ) {
			$rule = sanitize_key( wp_unslash( (string) $_POST['display_rule'] ) );
			$data['display_rule'] = in_array( $rule, array( 'always', 'not_purchasable', 'out_of_stock', 'taxonomy' ), true )
				? $rule : 'not_purchasable';
		}
		if ( isset( $_POST['placement'] ) ) {
			
			
			
			$place = sanitize_key( wp_unslash( (string) $_POST['placement'] ) );
			$data['placement'] = ( 'manual' === $place ) ? 'manual' : 'automatic';
		}
		if ( isset( $_POST['basket_storage'] ) ) {
			$mode = sanitize_key( wp_unslash( (string) $_POST['basket_storage'] ) );
			$data['basket_storage'] = ( 'local' === $mode ) ? 'local' : 'session';
		}
		if ( isset( $_POST['request_types'] ) ) {
			$data['request_types'] = AIEO_Product_Request_Settings::clean_types( wp_unslash( (array) $_POST['request_types'] ) );
		}
		if ( isset( $_POST['rule_terms'] ) ) {
			$data['rule_terms'] = array_values( array_filter( array_map( 'absint', (array) wp_unslash( $_POST['rule_terms'] ) ) ) );
		}

		
		
		$clamps = array(
			'notify_delay_minutes' => array( 0, 1440 ),
			'trail_lookback_hours' => array( 1, 168 ),
			'basket_ttl_hours'     => array( 1, 720 ),
			'basket_local_hours'   => array( 1, 720 ),
			'max_items'            => array( 1, AIEO_Product_Request_Settings::MAX_ITEMS_CEILING ),
			'title_size'           => array( 8, 48 ),
			'text_size'            => array( 8, 32 ),
			'border_width'         => array( 0, 10 ),
			'border_radius'        => array( 0, 40 ),
			'btn_border_width'     => array( 0, 10 ),
			'btn_border_radius'    => array( 0, 40 ),
		);
		foreach ( $clamps as $k => $range ) {
			if ( isset( $_POST[ $k ] ) ) {
				$data[ $k ] = max( $range[0], min( $range[1], (int) wp_unslash( $_POST[ $k ] ) ) );
			}
		}

		
		
		foreach ( array( 'bg_color', 'border_color', 'title_color', 'text_color', 'btn_bg_color', 'btn_text_color', 'btn_border_color' ) as $k ) {
			if ( ! isset( $_POST[ $k ] ) ) { continue; }
			$raw = trim( (string) wp_unslash( $_POST[ $k ] ) );
			if ( '' === $raw ) {
				
				
				
				$data[ $k ] = '';
				continue;
			}
			$v = sanitize_hex_color( $raw );
			if ( null !== $v && '' !== $v ) { $data[ $k ] = $v; }
		}

		update_option( AIEO_Product_Request_Settings::OPTION_KEY, array_merge( $existing, $data ), false );

		$this->purge_page_caches();

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

	
	private function purge_page_caches() {
		do_action( 'aieo_purge_page_cache' ); 

		
		do_action( 'aieo_product_requests_settings_saved' );
	}

	public function ajax_update_request() {
		AIEO_DMM::verify_ajax_request();
		self::load_shared();
		$id = isset( $_POST['id'] ) ? (int) $_POST['id'] : 0;
		if ( $id <= 0 ) {
			wp_send_json_error( array( 'message' => __( 'Invalid request.', 'ai-eshop-optimizer' ) ) );
		}
		$ok = AIEO_Product_Request_Store::update_admin_fields(
			$id,
			isset( $_POST['status'] ) ? sanitize_key( wp_unslash( (string) $_POST['status'] ) ) : 'new',
			isset( $_POST['admin_note'] ) ? wp_unslash( (string) $_POST['admin_note'] ) : ''
		);
		if ( ! $ok ) {
			wp_send_json_error( array( 'message' => __( 'Could not save.', 'ai-eshop-optimizer' ) ) );
		}
		wp_send_json_success( array( 'message' => __( 'Saved.', 'ai-eshop-optimizer' ) ) );
	}

	public function ajax_delete_request() {
		AIEO_DMM::verify_ajax_request();
		self::load_shared();
		$id = isset( $_POST['id'] ) ? (int) $_POST['id'] : 0;
		if ( $id <= 0 ) {
			wp_send_json_error( array( 'message' => __( 'Invalid request.', 'ai-eshop-optimizer' ) ) );
		}
		AIEO_Product_Request_Store::delete_request( $id );
		wp_send_json_success();
	}

	
	public function export_csv() {
		if ( ! current_user_can( 'manage_woocommerce' ) ) {
			wp_die( esc_html__( 'You do not have permission to export this.', 'ai-eshop-optimizer' ) );
		}
		check_admin_referer( 'aieo_product_requests_export' );
		self::load_shared();

		$listing = AIEO_Product_Request_Store::list_requests( array(
			'status'   => isset( $_GET['pr_status'] ) ? sanitize_key( wp_unslash( (string) $_GET['pr_status'] ) ) : '',
			'type'     => isset( $_GET['pr_type'] ) ? sanitize_key( wp_unslash( (string) $_GET['pr_type'] ) ) : '',
			'from'     => isset( $_GET['pr_from'] ) ? sanitize_text_field( wp_unslash( (string) $_GET['pr_from'] ) ) : '',
			'to'       => isset( $_GET['pr_to'] ) ? sanitize_text_field( wp_unslash( (string) $_GET['pr_to'] ) ) : '',
			'search'   => isset( $_GET['pr_s'] ) ? sanitize_text_field( wp_unslash( (string) $_GET['pr_s'] ) ) : '',
			'per_page' => 200,
			'paged'    => 1,
		) );

		nocache_headers();
		header( 'Content-Type: text/csv; charset=utf-8' );
		header( 'Content-Disposition: attachment; filename=product-requests-' . gmdate( 'Y-m-d' ) . '.csv' );

		$out = fopen( 'php://output', 'w' );
		
		fwrite( $out, "\xEF\xBB\xBF" );
		fputcsv( $out, array( 'ID', 'Date (UTC)', 'Type', 'Status', 'Name', 'Email', 'Phone', 'Items', 'Viewed while open', 'Campaign', 'Source', 'Medium', 'Message' ) );
		foreach ( $listing['rows'] as $r ) {
			$a = AIEO_Product_Request_Store::attribution_of( $r );
			fputcsv( $out, array(
				(int) $r->id,
				(string) $r->created_at,
				(string) $r->request_type,
				(string) $r->status,
				(string) $r->name,
				(string) $r->email,
				(string) $r->phone,
				(int) $r->item_count,
				(int) $r->view_count,
				(string) ( $a['utm_campaign'] ?? '' ),
				(string) ( $a['utm_source'] ?? '' ),
				(string) ( $a['utm_medium'] ?? '' ),
				(string) $r->message,
			) );
		}
		fclose( $out );
		exit;
	}

	
	
	

	
	public static function badge_count() {
		if ( ! class_exists( 'AIEO_Product_Request_Store' ) ) { return 0; }
		return AIEO_Product_Request_Store::count_new();
	}
}