<?php

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

class AIEO_DMM_Conversion_Goals extends AIEO_DMM_Module_Base {

	
	const INSIGHTS_USER_META = 'aieo_form_insights_last_form';

	public function get_id()       { return 'conversion_goals'; }
	public function get_icon()     { return 'target'; }
	public function get_label()    { return __( 'Conversion goals', 'ai-eshop-optimizer' ); }
	public function get_group()    { return 'setup'; }
	public function get_section()  { return 'tracking'; }
	public function get_priority() { return 25; } 

	public function register_hooks() {
		add_action( 'wp_ajax_aieo_goals_save', array( $this, 'ajax_goals_save' ) );
		add_action( 'wp_ajax_aieo_goal_analyze', array( $this, 'ajax_goal_analyze' ) );
		add_action( 'wp_ajax_aieo_goals_form_insights', array( $this, 'ajax_goals_form_insights' ) );
	}

	private function guard_manager() {
		AIEO_DMM::verify_ajax_request();
		if ( ! current_user_can( 'manage_woocommerce' ) && ! current_user_can( 'manage_options' ) ) {
			wp_send_json_error( array( 'message' => __( 'Insufficient permissions for a site-wide change.', 'ai-eshop-optimizer' ) ) );
		}
	}

	
	public function ajax_goals_save() {
		$this->guard_manager();
		if ( ! class_exists( 'AIEO_Goal_Tracker' ) ) {
			require_once AIEO_DIR . 'includes/class-aieo-goal-tracker.php';
		}
		
		$forms = isset( $_POST['forms'] ) ? json_decode( wp_unslash( $_POST['forms'] ), true ) : array();
		
		$builtin = isset( $_POST['builtin'] ) ? json_decode( wp_unslash( $_POST['builtin'] ), true ) : array();
		
		
		$values = isset( $_POST['values'] ) ? json_decode( wp_unslash( $_POST['values'] ), true ) : array();
		AIEO_Goal_Tracker::save_config( is_array( $forms ) ? $forms : array(), is_array( $builtin ) ? $builtin : array(), is_array( $values ) ? $values : array() );
		wp_send_json_success( array( 'message' => __( 'Goals saved.', 'ai-eshop-optimizer' ) ) );
	}

	
	public function ajax_goal_analyze() {
		$this->guard_manager();
		if ( ! class_exists( 'AIEO_Goal_Tracker' ) ) {
			require_once AIEO_DIR . 'includes/class-aieo-goal-tracker.php';
		}
		
		$provider = isset( $_POST['provider'] ) ? sanitize_key( wp_unslash( $_POST['provider'] ) ) : '';
		
		$form_id  = isset( $_POST['form_id'] ) ? (int) $_POST['form_id'] : 0;
		
		
		if ( 'gravity' !== $provider || $form_id <= 0 ) {
			wp_send_json_error( array( 'message' => __( 'Invalid form.', 'ai-eshop-optimizer' ) ) );
		}
		$res = AIEO_Goal_Tracker::analyze_form( $provider, $form_id );
		if ( is_wp_error( $res ) ) {
			wp_send_json_error( array( 'message' => $res->get_error_message() ) );
		}
		wp_send_json_success( $res );
	}

	
	public function ajax_goals_form_insights() {
		$this->guard_manager();
		$this->load_form_insights();
		if ( ! class_exists( 'AIEO_Form_Insights' ) || ! AIEO_Form_Insights::available() ) {
			wp_send_json_error( array( 'message' => __( 'Gravity Forms is not active, so there are no entries to read.', 'ai-eshop-optimizer' ) ) );
		}
		
		$form_id = isset( $_POST['form_id'] ) ? (int) $_POST['form_id'] : 0;
		
		
		
		$fresh = ! empty( $_POST['fresh'] );
		if ( $form_id <= 0 ) {
			wp_send_json_error( array( 'message' => __( 'Invalid form.', 'ai-eshop-optimizer' ) ) );
		}
		$report = AIEO_Form_Insights::distributions( $form_id, $fresh );
		if ( is_wp_error( $report ) ) {
			wp_send_json_error( array( 'message' => $report->get_error_message() ) );
		}
		update_user_meta( get_current_user_id(), self::INSIGHTS_USER_META, $form_id );
		
		
		
		
		
		
		
		
		
		$report['html'] = self::render_insight_body( $report );
		
		$report['pages_html'] = class_exists( 'AIEO_Page_Actions', false ) ? AIEO_Page_Actions::form_pages( 'gravity_' . $form_id ) : '';
		wp_send_json_success( $report );
	}

	
	private static function render_insight_body( array $report ) {
		$path = AIEO_DIR . 'assets/pages/dmm/form-insights-body.php';
		if ( empty( $report['fields'] ) || ! file_exists( $path ) ) {
			return '';
		}
		
		
		
		$insight_report = $report;
		ob_start();
		require $path;
		return (string) ob_get_clean();
	}

	
	private function load_form_insights() {
		if ( ! class_exists( 'AIEO_Form_Insights' ) && file_exists( AIEO_DIR . 'includes/class-aieo-form-insights.php' ) ) {
			require_once AIEO_DIR . 'includes/class-aieo-form-insights.php';
		}
	}

	
	
	public function preferred_insight_form_public( array $forms ) {
		return $this->preferred_insight_form( $forms );
	}

	private function preferred_insight_form( array $forms ) {
		if ( ! $forms ) {
			return 0;
		}
		$last = (int) get_user_meta( get_current_user_id(), self::INSIGHTS_USER_META, true );
		$best = 0;
		$most = -1;
		foreach ( $forms as $f ) {
			$fid = (int) $f['id'];
			if ( $last > 0 && $fid === $last ) {
				return $fid;
			}
			if ( (int) $f['entries'] > $most ) {
				$most = (int) $f['entries'];
				$best = $fid;
			}
		}
		return $best;
	}

	public function render_subtab() {
		
		if ( ! class_exists( 'AIEO_Goal_Tracker' ) ) {
			require_once AIEO_DIR . 'includes/class-aieo-goal-tracker.php';
		}
		
		
		$this->render_template( 'conversion-goals.php', array(
			'goal_forms'  => AIEO_Goal_Tracker::available_forms(),
			'goal_config' => AIEO_Goal_Tracker::config(),
			'nonce'       => wp_create_nonce( AIEO_DMM::NONCE_ACTION ),
			'ajax'        => admin_url( 'admin-ajax.php' ),
		) );
	}
}