package inquiry

import (
	"testing"

	"github.com/asaskevich/govalidator"
)

func TestFormatValidationErrors(t *testing.T) {
	form := UpdateInquiryStatusForm{
		Status: "done",
		Reason: "",
	}
	_, err := govalidator.ValidateStruct(form)
	if err == nil {
		t.Fatal("expected validation error")
	}

	message := FormatValidationErrors(err)
	if message == "" {
		t.Fatal("expected formatted validation message")
	}
	if message == err.Error() {
		t.Fatalf("expected humanized message, got raw error: %s", message)
	}
}

func TestInvalidStatusTransitionErrorMessage(t *testing.T) {
	err := NewInvalidStatusTransitionError(StatusPending, StatusApproved, []string{StatusReviewed, StatusRejected})
	expected := "Cannot change inquiry status from pending to approved. Allowed next statuses: reviewed, rejected"
	if err.Error() != expected {
		t.Fatalf("got %q, want %q", err.Error(), expected)
	}

	finalErr := NewInvalidStatusTransitionError(StatusApproved, StatusReviewed, nil)
	if finalErr.Error() != "Inquiry status is already approved and cannot be changed" {
		t.Fatalf("unexpected final status message: %s", finalErr.Error())
	}
}