<?php
/**
 * Report email delivery.
 *
 * @package Agency_Maintenance_Activity_Reports
 */

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

/**
 * Sends report emails.
 */
class AMAR_Mailer {

	/**
	 * Send a report email.
	 *
	 * @param array<string, mixed> $report Report payload.
	 * @param string               $to Optional override recipient.
	 * @return bool|WP_Error
	 */
	public static function send_report( $report, $to = '' ) {
		$settings = $report['settings'];
		$to       = ! empty( $to ) ? sanitize_email( $to ) : sanitize_email( $settings['client_email'] );

		if ( empty( $to ) || ! is_email( $to ) ) {
			return new WP_Error(
				'amar_invalid_email',
				__( 'Please enter a valid client email address in Settings.', 'agency-maintenance-activity-reports' )
			);
		}

		$subject = AMAR_Report::parse_subject( $settings['report_subject'], $report );
		$body    = AMAR_Report::render_html( $report, true );
		$headers = array( 'Content-Type: text/html; charset=UTF-8' );

		$from_name  = sanitize_text_field( $settings['agency_name'] );
		$from_email = sanitize_email( get_option( 'admin_email' ) );

		if ( ! empty( $from_name ) && ! empty( $from_email ) && is_email( $from_email ) ) {
			$headers[] = sprintf( 'From: %s <%s>', $from_name, $from_email );
		}

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

		if ( ! $sent ) {
			return new WP_Error(
				'amar_mail_failed',
				__( 'The report email could not be sent. Check your WordPress mail configuration.', 'agency-maintenance-activity-reports' )
			);
		}

		return true;
	}
}