<?php

namespace WooOrderCart\Monitoring;

class CheckoutPaymentFailureMessageBuilder {
    /**
     * @param array<string,mixed> $failure
     */
    public static function build( array $failure ): string {
        $reason = sanitize_key( (string) ( $failure['reason'] ?? '' ) );
        $status = (int) ( $failure['status'] ?? 0 );
        $is_local = ! empty( $failure['is_local'] );

        if ( 'webhook_url_unreachable' === $reason ) {
            $message = 'Payment could not be started because the webhook is unreachable.';

            if ( $is_local ) {
                $message .= ' Local environments are often not publicly reachable.';
            }

            return self::append_status( $message, $status );
        }

        if ( 'webhook_url_invalid' === $reason ) {
            return self::append_status( 'Payment could not be started because the webhook is invalid.', $status );
        }

        if ( 'invalid_phone_number' === $reason ) {
            return self::append_status( 'Payment could not be started because the phone number is invalid.', $status );
        }

        if ( 'fraud_rejection' === $reason ) {
            return self::append_status( 'Payment could not be started because the payment was rejected.', $status );
        }

        return '';
    }

    private static function append_status( string $message, int $status ): string {
        if ( $status <= 0 ) {
            return $message;
        }

        return sprintf( '%s (%d)', $message, $status );
    }
}