<?php
/**
 * AI Ajax.
 *
 * @package EverestForms\AI\Ajax
 * @since   1.0.0
 */

namespace EverestForms\AI;

use EverestForms\AI\API\API;

defined( 'ABSPATH' ) || exit;

/**
 * Ajax Class.
 *
 * @since 1.0.0
 */
class Ajax {

	/**
	 * Hook in tabs.
	 */
	public function __construct() {
		self::add_ajax_events();
	}

	/**
	 * Hook in methods - uses WordPress ajax handlers (admin-ajax)
	 *
	 * @since 1.0.0
	 */
	public static function add_ajax_events() {

		$ajax_events = array(
			'chat_bot' => true,
		);
		foreach ( $ajax_events as $ajax_event => $nopriv ) {

			add_action( 'wp_ajax_everest_forms_ai_' . $ajax_event, array( __CLASS__, $ajax_event ) );

			if ( $nopriv ) {

				add_action(
					'wp_ajax_nopriv_everest_forms_ai_' . $ajax_event,
					array(
						__CLASS__,
						$ajax_event,
					)
				);
			}
		}
	}

	/**
	 * Handle the chat bot functionality.
	 *
	 * @since 1.0.0
	 */
	public static function chat_bot() {
		try {
			if ( ! check_ajax_referer( 'everest_forms_ai', 'security', false ) ) {
				wp_send_json_error(
					array(
						'message' => __( 'Nonce error, please reload.', 'ai-contact-form' ),
					)
				);
			}
			$form_id    = isset( $_POST['form_id'] ) ? absint( $_POST['form_id'] ) : 0;
			$form_data  = json_decode( evf()->form->get( $form_id )->post_content, true );
			$form_field = is_array( $form_data ) && ! empty( $form_data['form_fields'] ) ? $form_data['form_fields'] : array();
			$providers  = get_option( 'everest_forms_ai_api_key' );
			$api_key    = ! empty( $providers ) ? sanitize_text_field( $providers ) : '';
			$chat_reply = isset( $_POST['chat'] ) ? sanitize_text_field( $_POST['chat'] ) : '';
			$response   = new API( $api_key );
			foreach ( $form_field as $field_id => $field_value ) {
				if ( isset( $field_value['ai_chatbot'] ) && '1' === $field_value['ai_chatbot'] ) {
					$field_type = isset( $field_value['ai_type'] ) ? $field_value['ai_type'] : 'html';
					$field_id   = isset( $field_value['id'] ) ? $field_value['id'] : '';
					$data       = array(
						'messages'    => array(
							array(
								'role'    => 'user',
								'content' => $chat_reply,
							),
						),
						'temperature' => 0.5,
					);
					$content    = $response->send_openai_request( 'chat/completions', $data );
					$message    = isset( $content['choices'][0]['message']['content'] ) ? wp_kses_post( $content['choices'][0]['message']['content'] ) : '';
					wp_send_json_success(
						array(
							'message'    => $message,
							'field_type' => $field_type,
							'field_id'   => $field_id,
						)
					);
				}
			}
		} catch ( \Exception $e ) {
			evf_get_logger()->critical(
				$e->getMessage(),
				array( 'source' => 'form-submissiom' )
			);
			wp_send_json_error(
				array(
					'message' => $e->getMessage(),
				)
			);
		}
	}

}