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

namespace EverestForms\AI\Process;

use EverestForms\AI\API\API;

defined( 'ABSPATH' ) || exit;

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


	/**
	 * Primary class constructor.
	 */
	public function __construct() {
		add_filter( 'everest_forms_process_filter', array( $this, 'process_filter' ), 10, 3 );
		add_action( 'everest_forms_entry_email_atts', array( $this, 'process_message' ), 10, 4 );
	}


	/**
	 * Process Message.
	 *
	 * @since 1.0.0
	 *
	 * @param array $email     Emails.
	 * @param array $fields    Fields for the Form.
	 * @param array $entry     Form Entry.
	 * @param array $form_data Form Data object.
	 */
	public function process_message( $email, $fields, $entry, $form_data ) {
		try {
			$enable_ai_prompt = isset( $email['enable_ai_prompt'] ) ? $email['enable_ai_prompt'] : 0;
			if ( ! $enable_ai_prompt || empty( $email['message_ai_prompt'] ) ) {
				return $email;
			}
			$email['message']   = apply_filters( 'everest_forms_process_smart_tags', esc_html( $email['message'] ), $form_data, $fields );
			$emailMessage       = isset( $email['message'] ) ? $email['message'] : '';
			$emailPrompt        = apply_filters( 'everest_forms_process_smart_tags', esc_html( $email['message_ai_prompt'] ), $form_data, $fields );
			$providers          = get_option( 'everest_forms_ai_api_key' );
			$api_key            = ! empty( $providers ) ? sanitize_text_field( $providers ) : '';
			$response           = new API( $api_key );
			$analysis_data      = array(
				'messages'    => array(
					array(
						'role'    => 'user',
						'content' => "Analyze the following prompt and provide a suitable response.\n\nPrompt:\n\"" . esc_html( $emailPrompt ) . '"',
					),
				),
				'temperature' => 0.5,
			);
			$analysis_content   = $response->send_openai_request( 'chat/completions', $analysis_data );
			$generated_analysis = isset( $analysis_content['choices'][0]['message']['content'] ) ? wp_strip_all_tags( wp_kses_post( $analysis_content['choices'][0]['message']['content'] ) ) : '';
			if ( preg_match( '/\{ai_email_response\}/', $emailMessage ) ) {
                $email['message'] = str_replace( '{ai_email_response}', esc_html( $generated_analysis ), $emailMessage );
            }
			return $email;
		} catch ( \Exception $e ) {
			evf_get_logger()->critical(
				$e->getMessage(),
				array( 'source' => 'form-submissiom' )
			);
			wp_send_json_error(
				array(
					'message' => $e->getMessage(),
				)
			);
		}
	}

	/**
	 * Process form after validation.
	 *
	 * @since 1.0.0
	 *
	 * @param mixed $form_fields Form Fields.
	 * @param mixed $entry Entry.
	 * @param mixed $form_data Form Data.
	 * @return mixed $form_fields Form Fields.
	 */
	public function process_filter( $form_fields, $entry, $form_data ) {
		try {
			foreach ( $form_data['form_fields'] as $key => $field ) {
				if ( array_key_exists( 'ai_input', $field ) ) {
					$ai_prompt = $field['ai_input'];

					if ( empty( $ai_prompt ) ) {
						return $form_fields;
					}

					$providers                    = get_option( 'everest_forms_ai_api_key' );
					$api_key                      = ! empty( $providers ) ? sanitize_text_field( $providers ) : '';
					$response                     = new API( $api_key );
					$data                         = array(
						'messages'    => array(
							array(
								'role'    => 'user',
								'content' => apply_filters( 'everest_forms_process_smart_tags', esc_html( $ai_prompt ), $form_data, $form_fields ),
							),
						),
						'temperature' => 0.5,
					);
					$content                      = $response->send_openai_request( 'chat/completions', $data );
					$message                      = isset( $content['choices'][0]['message']['content'] ) ? wp_strip_all_tags( wp_kses_post( $content['choices'][0]['message']['content'] ) ) : '';
					$form_fields[ $key ]['value'] = $message;
				}
			}
			return $form_fields;
		} catch ( \Exception $e ) {
			evf_get_logger()->critical(
				$e->getMessage(),
				array( 'source' => 'form-submissiom' )
			);
			wp_send_json_error(
				array(
					'message' => $e->getMessage(),
				)
			);
		}
	}
}