<?php

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

class AIEO_DMM_Contact_Discovery extends AIEO_DMM_Module_Base {

	public function get_id()       { return 'contact_discovery'; }
	public function get_icon()     { return 'contact'; }
	public function get_label()    { return __( 'Contacts & accounts', 'ai-eshop-optimizer' ); }
	public function get_group()    { return 'customer_profiling'; }
	public function get_priority() { return 11; }

	public function register_hooks() {
		add_action( 'wp_ajax_aieo_contacts_scan', array( $this, 'ajax_scan' ) );
		add_action( 'wp_ajax_aieo_contacts_preview', array( $this, 'ajax_preview' ) );
		add_action( 'wp_ajax_aieo_contacts_settings', array( $this, 'ajax_settings' ) );
		add_action( 'wp_ajax_aieo_contacts_start', array( $this, 'ajax_start' ) );
		add_action( 'wp_ajax_aieo_contacts_progress', array( $this, 'ajax_progress' ) );
		add_action( 'wp_ajax_aieo_contacts_cancel', array( $this, 'ajax_cancel' ) );
	}

	
	private function guard() {
		return current_user_can( 'manage_woocommerce' ) && class_exists( 'AIEO_Contact_Discovery' );
	}

	private function deny() {
		wp_send_json_error( array( 'message' => __( 'Not available.', 'ai-eshop-optimizer' ) ), 403 );
	}

	private function posted_sources() {
		$raw = isset( $_POST['sources'] ) ? wp_unslash( $_POST['sources'] ) : '';
		$ids = is_array( $raw ) ? $raw : array_filter( explode( ',', (string) $raw ) );
		return array_map( 'sanitize_key', $ids );
	}

	public function ajax_scan() {
		AIEO_DMM::verify_ajax_request();
		if ( ! $this->guard() ) { $this->deny(); }
		wp_send_json_success( AIEO_Contact_Discovery::scan() );
	}

	
	public function ajax_preview() {
		AIEO_DMM::verify_ajax_request();
		if ( ! $this->guard() ) { $this->deny(); }
		$sources = $this->posted_sources();
		$res     = AIEO_Contact_Discovery::convert( $sources, array( 'dry_run' => true, 'limit' => 25 ) );
		$total   = AIEO_Contact_Discovery::candidate_count( $sources );
		wp_send_json_success( array(
			'total'   => $total,
			'samples' => $res['samples'],
			'table'   => $this->sample_table( $res['samples'], (int) $total ),
		) );
	}

	
	private function sample_table( array $samples, $total ) {
		$rows = array();
		foreach ( $samples as $i => $r ) {
			$email  = (string) ( $r['email'] ?? '' );
			$name   = (string) ( $r['name'] ?? '' );
			$seen   = (string) ( $r['sources'] ?? '' );
			$rows[] = array(
				'_id'     => (string) ( $i + 1 ),
				'email'   => $email,
				'name'    => $name,
				'sources' => $seen,
				'_s'      => array(
					'email'   => $email,
					'name'    => $name,
					'sources' => $seen,
				),
				'_text'   => $email . ' ' . $name,
			);
		}
		$shown = count( $rows );
		return AIEO_Table::local_answer(
			'aieo-cd-table',
			array(
				array( 'key' => 'email', 'label' => __( 'Email', 'ai-eshop-optimizer' ), 'sort_type' => 'text' ),
				array( 'key' => 'name', 'label' => __( 'Name', 'ai-eshop-optimizer' ), 'sort_type' => 'text' ),
				array( 'key' => 'sources', 'label' => __( 'Seen in', 'ai-eshop-optimizer' ), 'sort_type' => 'text' ),
			),
			$rows,
			array(
				'prefix'  => 'cd_',
				'size'    => 25,
				'caption' => __( 'Discovered contacts', 'ai-eshop-optimizer' ),
				'empty'   => esc_html__( 'No contacts without an account in the ticked sources.', 'ai-eshop-optimizer' ),
				'toolbar' => \Rooster\Admin\Filters::bar( 'aieo-cd-table', array(), array(), array(
					'search' => array( 'label' => __( 'Search', 'ai-eshop-optimizer' ), 'placeholder' => __( 'Email or name', 'ai-eshop-optimizer' ) ),
					'prefix' => 'cd_',
					'keys'   => array( 's' => 'cd_s' ),
				) ),
				'capped'  => $total > $shown && $shown > 0 ? array(
					'shown' => $shown,
					'total' => $total,
				) : null,
			)
		);
	}

	public function ajax_settings() {
		AIEO_DMM::verify_ajax_request();
		if ( ! $this->guard() ) { $this->deny(); }
		
		
		$s = AIEO_Contact_Discovery::save_settings( array(
			'conversion_enabled' => ! empty( $_POST['conversion_enabled'] ) && 'false' !== $_POST['conversion_enabled'],
			'notify'             => ! empty( $_POST['notify'] ) && 'false' !== $_POST['notify'],
			'sources'            => $this->posted_sources(),
		) );
		wp_send_json_success( $s );
	}

	public function ajax_start() {
		AIEO_DMM::verify_ajax_request();
		if ( ! $this->guard() ) { $this->deny(); }
		$res = AIEO_Contact_Discovery::start_job( $this->posted_sources(), AIEO_Contact_Discovery::settings()['notify'] );
		if ( is_wp_error( $res ) ) {
			wp_send_json_error( array( 'message' => $res->get_error_message() ) );
		}
		wp_send_json_success( array( 'target' => (int) $res, 'job' => AIEO_Contact_Discovery::job() ) );
	}

	public function ajax_progress() {
		AIEO_DMM::verify_ajax_request();
		if ( ! $this->guard() ) { $this->deny(); }
		wp_send_json_success( array( 'job' => AIEO_Contact_Discovery::job() ) );
	}

	public function ajax_cancel() {
		AIEO_DMM::verify_ajax_request();
		if ( ! $this->guard() ) { $this->deny(); }
		AIEO_Contact_Discovery::cancel_job();
		wp_send_json_success( array( 'job' => AIEO_Contact_Discovery::job() ) );
	}

	public function render_subtab() {
		if ( ! class_exists( 'AIEO_Contact_Discovery' ) ) {
			list( $aieo_cd_open, $aieo_cd_close ) = AIEO_DMM_UI::card( array( 'icon' => 'search', 'title' => $this->get_label() ) );
			echo $aieo_cd_open; 
			echo \Rooster\Admin\Ui::notice( esc_html__( 'Contact discovery engine is not loaded.', 'ai-eshop-optimizer' ), 'destructive', array( 'inline' => true ) ); 
			echo $aieo_cd_close; 
			return;
		}
		
		
		
		$this->render_template( 'contact-discovery.php', array(
			'nonce'    => wp_create_nonce( AIEO_DMM::NONCE_ACTION ),
			'sources'  => AIEO_Contact_Discovery::sources(),
			'settings' => AIEO_Contact_Discovery::settings(),
			'last'     => get_option( AIEO_Contact_Discovery::OPT_LAST_SCAN, array() ),
			'job'      => AIEO_Contact_Discovery::job(),
		) );
	}
}