<?php

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

class AIEO_DMM_Audience_Builder extends AIEO_DMM_Module_Base {

	public function get_id()       { return 'audience_builder'; }
	public function get_icon()     { return 'funnel'; }
	public function get_label()    { return __( 'Audience builder', 'ai-eshop-optimizer' ); }
	public function get_group()    { return 'customer_profiling'; }
	public function get_priority() { return 12; }
	public function is_pro_locked() { return true; }
	public function get_pro_promo() {
		return array(
			'title'       => __( 'Audience Builder', 'ai-eshop-optimizer' ),
			'description' => __( 'Define reusable audiences over your customer intelligence in plain language or a visual rule builder — including behavioural-vector similarity (lookalikes, in-market intent) no scalar filter can express. Preview exact membership before you send.', 'ai-eshop-optimizer' ),
			'bullets'     => array(
				__( 'Type a sentence → validated rule tree → live count + sample', 'ai-eshop-optimizer' ),
				__( 'Behavioural predicates: lookalikes, instigator-state, taste similarity', 'ai-eshop-optimizer' ),
				__( 'Save once, reuse across campaigns, coupons and the cascade', 'ai-eshop-optimizer' ),
			),
		);
	}

	public function register_hooks() {
		add_action( 'wp_ajax_aieo_dmm_audience_generate', array( $this, 'ajax_generate' ) );
		add_action( 'wp_ajax_aieo_dmm_audience_count', array( $this, 'ajax_count' ) );
		add_action( 'wp_ajax_aieo_dmm_audience_save', array( $this, 'ajax_save' ) );
		add_action( 'wp_ajax_aieo_dmm_audience_list', array( $this, 'ajax_list' ) );
		add_action( 'wp_ajax_aieo_dmm_audience_delete', array( $this, 'ajax_delete' ) );
		add_action( 'wp_ajax_aieo_dmm_audience_suggest', array( $this, 'ajax_suggest' ) );
	}

	public function render_subtab() {
		if ( ! class_exists( 'AIEO_Audience_Rules' ) ) {
			list( $aieo_ab_open, $aieo_ab_close ) = AIEO_DMM_UI::card( array( 'icon' => 'sparkles', 'title' => $this->get_label() ) );
			echo $aieo_ab_open; 
			echo \Rooster\Admin\Ui::notice( esc_html__( 'Audience Rules engine is not loaded.', 'ai-eshop-optimizer' ), 'destructive', array( 'inline' => true ) ); 
			echo $aieo_ab_close; 
			return;
		}
		$this->render_template( 'audience-builder.php', array(
			'nonce'  => wp_create_nonce( 'aieo_dmm_nonce' ),
			'fields' => AIEO_Audience_Rules::field_catalog(),
		) );
	}

	
	
	

	
	public function ajax_generate() {
		AIEO_DMM::verify_ajax_request();
		if ( ! self::is_aieo_pro_user() ) {
			wp_send_json_error( array( 'message' => __( 'This feature requires the Pro version.', 'ai-eshop-optimizer' ) ) );
		}
		$text = isset( $_POST['text'] ) ? sanitize_textarea_field( wp_unslash( $_POST['text'] ) ) : '';
		if ( '' === $text ) {
			wp_send_json_error( array( 'message' => __( 'Describe the audience first.', 'ai-eshop-optimizer' ) ) );
		}
		$res = AIEO_Audience_Rules::from_nl( $text );
		if ( empty( $res['ok'] ) ) {
			wp_send_json_error( array( 'message' => (string) $res['error'] ) );
		}
		$rule = $res['rule'];
		$cnt  = AIEO_Audience_Rules::count( $rule );
		wp_send_json_success( array(
			'rule'    => $rule,
			'summary' => AIEO_Audience_Rules::describe_rule( $rule ),
			'count'   => $cnt,
			'reach'   => AIEO_Audience_Rules::reach( $rule ),
			'sample'  => AIEO_Audience_Rules::preview( $rule, 8 ),
		) );
	}

	
	public function ajax_count() {
		AIEO_DMM::verify_ajax_request();
		$rule = self::posted_rule();
		if ( null === $rule ) {
			wp_send_json_error( array( 'message' => __( 'Invalid rule.', 'ai-eshop-optimizer' ) ) );
		}
		wp_send_json_success( array(
			'count'   => AIEO_Audience_Rules::count( $rule ),
			'summary' => AIEO_Audience_Rules::describe_rule( $rule ),
			
			
			
			'reach'   => AIEO_Audience_Rules::reach( $rule ),
			'sample'  => AIEO_Audience_Rules::preview( $rule, 8 ),
		) );
	}

	public function ajax_save() {
		AIEO_DMM::verify_ajax_request();
		if ( ! self::is_aieo_pro_user() ) {
			wp_send_json_error( array( 'message' => __( 'This feature requires the Pro version.', 'ai-eshop-optimizer' ) ) );
		}
		$name = isset( $_POST['name'] ) ? sanitize_text_field( wp_unslash( $_POST['name'] ) ) : '';
		$rule = self::posted_rule();
		if ( '' === $name || null === $rule ) {
			wp_send_json_error( array( 'message' => __( 'Name and a valid rule are required.', 'ai-eshop-optimizer' ) ) );
		}
		$id = AIEO_Audience_Rules::save( $name, $rule );
		wp_send_json_success( array( 'id' => $id, 'saved' => $id > 0 ) );
	}

	public function ajax_list() {
		AIEO_DMM::verify_ajax_request();
		$audiences = AIEO_Audience_Rules::list_saved();
		wp_send_json_success( array(
			'audiences' => $audiences,
			
			'table'     => self::saved_table( $audiences ),
		) );
	}

	
	private static function saved_table( array $audiences ) {
		if ( ! $audiences || ! class_exists( '\Rooster\Admin\Ui' ) || ! class_exists( '\Rooster\Admin\States' ) ) {
			return '';
		}
		$rows = array();
		foreach ( $audiences as $a ) {
			$id     = (string) (int) ( $a['id'] ?? 0 );
			$name   = (string) ( $a['name'] ?? '' );
			$rows[] = array(
				'_name'   => $name,
				'name'    => $name,
				'count'   => max( 0, (int) ( $a['count_cached'] ?? 0 ) ),
				'actions' => array(
					array(
						'label' => __( 'Load', 'ai-eshop-optimizer' ),
						'attrs' => array( 'data-aieo-ab-load' => $id ),
					),
					array(
						'label'       => __( 'Delete', 'ai-eshop-optimizer' ),
						'destructive' => true,
						'attrs'       => array( 'data-aieo-ab-del' => $id ) + \Rooster\Admin\States::confirm_attrs( 'aieo-ab-delete-dialog' ),
					),
				),
			);
		}
		return \Rooster\Admin\Ui::table(
			array(
				array( 'key' => 'name', 'label' => __( 'Audience', 'ai-eshop-optimizer' ), 'type' => 'text' ),
				array( 'key' => 'count', 'label' => __( 'Customers', 'ai-eshop-optimizer' ), 'type' => 'num', 'priority' => 'low' ), 
				array( 'key' => 'actions', 'label' => __( 'Actions', 'ai-eshop-optimizer' ), 'type' => 'actions' ),
			),
			$rows,
			array(
				'id'      => 'aieo-ab-saved-table',
				'caption' => __( 'Saved audiences', 'ai-eshop-optimizer' ),
			)
		);
	}

	public function ajax_delete() {
		AIEO_DMM::verify_ajax_request();
		if ( ! self::is_aieo_pro_user() ) {
			wp_send_json_error( array( 'message' => __( 'This feature requires the Pro version.', 'ai-eshop-optimizer' ) ) );
		}
		$id = isset( $_POST['id'] ) ? (int) $_POST['id'] : 0;
		wp_send_json_success( array( 'deleted' => AIEO_Audience_Rules::delete( $id ) ) );
	}

	
	public function ajax_suggest() {
		AIEO_DMM::verify_ajax_request();
		wp_send_json_success( array( 'suggestions' => AIEO_Audience_Rules::suggestions() ) );
	}

	private static function posted_rule() {
		$raw = isset( $_POST['rule'] ) ? wp_unslash( $_POST['rule'] ) : '';
		if ( is_string( $raw ) && '' !== $raw ) {
			$d = json_decode( $raw, true );
			return is_array( $d ) ? $d : null;
		}
		return null;
	}
}