<?php
/**
 * AJAX Contact Form Handler
 *
 * Receives submissions from the oribi/contact-section block form,
 * validates input, and sends an email via wp_mail().
 *
 * @package OTS_Theme
 */

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

add_action( 'wp_ajax_oribi_contact', 'oribi_handle_contact' );
add_action( 'wp_ajax_nopriv_oribi_contact', 'oribi_handle_contact' );

/**
 * Process the contact form AJAX request.
 */
function oribi_handle_contact() {

	// Verify nonce
	if ( ! isset( $_POST['nonce'] ) || ! wp_verify_nonce( sanitize_text_field( wp_unslash( $_POST['nonce'] ) ), 'oribi_contact_nonce' ) ) {
		wp_send_json_error( 'Security check failed. Please refresh the page and try again.' );
	}

	$name     = isset( $_POST['name'] )     ? sanitize_text_field( wp_unslash( $_POST['name'] ) )     : '';
	$email    = isset( $_POST['email'] )    ? sanitize_email( wp_unslash( $_POST['email'] ) )          : '';
	$interest = isset( $_POST['interest'] ) ? sanitize_text_field( wp_unslash( $_POST['interest'] ) )  : '';
	$message  = isset( $_POST['message'] )  ? sanitize_textarea_field( wp_unslash( $_POST['message'] ) ) : '';

	// Validate required fields
	if ( empty( $name ) || empty( $email ) || empty( $message ) ) {
		wp_send_json_error( 'Please fill in all required fields.' );
	}

	if ( ! is_email( $email ) ) {
		wp_send_json_error( 'Please enter a valid email address.' );
	}

	// Build the email
	$to      = get_option( 'admin_email' );
	$subject = sprintf( '[OTS Theme] New inquiry from %s', $name );
	$body    = sprintf(
		"Name: %s\nEmail: %s\nInterested In: %s\n\nMessage:\n%s",
		$name,
		$email,
		$interest ? $interest : 'Not specified',
		$message
	);
	$headers = [
		'Content-Type: text/plain; charset=UTF-8',
		sprintf( 'Reply-To: %s <%s>', $name, $email ),
	];

	$sent = wp_mail( $to, $subject, $body, $headers );

	if ( $sent ) {
		wp_send_json_success( "Thanks! We'll get back to you shortly." );
	} else {
		wp_send_json_error( 'Something went wrong. Please try again or email us directly.' );
	}
}