package testsuite

import (
	"context"
	"testing"

	"forge.cadoles.com/Cadoles/emissary/internal/datastore"
	"github.com/pkg/errors"
)

type tenantRepositoryTestCase struct {
	Name string
	Skip bool
	Run  func(ctx context.Context, repo datastore.TenantRepository) error
}

var tenantRepositoryTestCases = []tenantRepositoryTestCase{
	{
		Name: "Create a new tenant",
		Run: func(ctx context.Context, repo datastore.TenantRepository) error {
			label := "Foo"
			tenant, err := repo.Create(ctx, "Foo")
			if err != nil {
				return errors.WithStack(err)
			}

			if tenant.CreatedAt.IsZero() {
				return errors.Errorf("tenant.CreatedAt should not be zero time")
			}

			if tenant.UpdatedAt.IsZero() {
				return errors.Errorf("tenant.UpdatedAt should not be zero time")
			}

			if e, g := label, tenant.Label; e != g {
				return errors.Errorf("tenant.Label: expected '%v', got '%v'", e, g)
			}

			if tenant.ID == "" {
				return errors.Errorf("tenant.ID should not be empty")
			}

			if _, err := datastore.ParseTenantID(string(tenant.ID)); err != nil {
				return errors.Wrapf(err, "tenant.ID should be valid")
			}

			return nil
		},
	},
	{
		Name: "Try to update an unexistant tenant",
		Run: func(ctx context.Context, repo datastore.TenantRepository) error {
			unexistantTenantID := datastore.TenantID("00000000-0000-0000-0000-000000000000")
			tenant, err := repo.Update(ctx, unexistantTenantID)
			if err == nil {
				return errors.New("error should not be nil")
			}

			if !errors.Is(err, datastore.ErrNotFound) {
				return errors.Errorf("error should be datastore.ErrNotFound, got '%+v'", err)
			}

			if tenant != nil {
				return errors.New("tenant should be nil")
			}

			return nil
		},
	},
	{
		Name: "Try to delete spec of an unexistant agent",
		Run: func(ctx context.Context, repo datastore.TenantRepository) error {
			unexistantTenantID := datastore.TenantID("00000000-0000-0000-0000-000000000000")

			err := repo.Delete(ctx, unexistantTenantID)
			if err == nil {
				return errors.New("error should not be nil")
			}

			if !errors.Is(err, datastore.ErrNotFound) {
				return errors.Errorf("error should be datastore.ErrNotFound, got '%+v'", err)
			}

			return nil
		},
	},
}

func runTenantRepositoryTests(t *testing.T, repo datastore.TenantRepository) {
	for _, tc := range tenantRepositoryTestCases {
		func(tc tenantRepositoryTestCase) {
			t.Run(tc.Name, func(t *testing.T) {
				t.Parallel()

				if tc.Skip {
					t.SkipNow()

					return
				}

				ctx := context.Background()

				if err := tc.Run(ctx, repo); err != nil {
					t.Errorf("%+v", errors.WithStack(err))
				}
			})
		}(tc)
	}
}