package campaigns

import (
	"testing"

	"github.com/google/uuid"
)

func TestValidateCampaignRefs(t *testing.T) {
	okCats := make([]uuid.UUID, maxCampaignCategoryIDs)
	okProds := make([]uuid.UUID, maxCampaignProductIDs)
	for i := range okCats {
		okCats[i] = uuid.New()
	}
	for i := range okProds {
		okProds[i] = uuid.New()
	}
	if err := validateCampaignRefs(okCats, okProds); err != nil {
		t.Fatalf("expected ok, got %v", err)
	}

	tooManyCats := append(append([]uuid.UUID{}, okCats...), uuid.New())
	if err := validateCampaignRefs(tooManyCats, nil); err != ErrTooManyCategoryIDs {
		t.Fatalf("got %v want ErrTooManyCategoryIDs", err)
	}

	tooManyProds := append(append([]uuid.UUID{}, okProds...), uuid.New())
	if err := validateCampaignRefs(nil, tooManyProds); err != ErrTooManyProductIDs {
		t.Fatalf("got %v want ErrTooManyProductIDs", err)
	}
}

func TestClientErrorTooManyRefs(t *testing.T) {
	for _, err := range []error{ErrTooManyProductIDs, ErrTooManyCategoryIDs} {
		msg, ok := ClientError(err)
		if !ok || msg == "" {
			t.Fatalf("ClientError(%v) ok=%v msg=%q", err, ok, msg)
		}
	}
}