<?php
/**
 * AJAX Handler
 *
 * @package AISO_Post_Summary_OpenRouter
 */

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

class AISO_Ajax {

	/**
	 * Constructor.
	 */
	public function __construct() {

		add_action(
			'wp_ajax_aiso_generate_summary',
			array( $this, 'generate_summary' )
		);

		add_action(
			'wp_ajax_nopriv_aiso_generate_summary',
			array( $this, 'generate_summary' )
		);

	}

	/**
	 * Generate AI Summary.
	 */
	public function generate_summary() {

		// Verify security nonce.
		check_ajax_referer( 'aiso_nonce', 'nonce' );
		
		$content = isset( $_POST['content'] )
			? sanitize_textarea_field( wp_unslash( $_POST['content'] ) )
			: '';

		$title = isset( $_POST['title'] )
			? sanitize_text_field( wp_unslash( $_POST['title'] ) )
			: '';

		if ( strlen( $content ) > 100000 ) {
			wp_send_json_error(
				array(
					'message' => __( 'Content is too large.', 'aiso-post-summary-openrouter' ),
				)
			);
		}

		$result = AISO_API::generate_summary(
			$content,
			$title
		);

		if ( empty( $result['success'] ) ) {

			wp_send_json_error( $result );

		}

		wp_send_json_success( $result );

	}

}