// Copyright (c) HashiCorp, Inc.
// SPDX-License-Identifier: BUSL-1.1

package groups_test

import (
	"context"
	"testing"

	"github.com/hashicorp/boundary/globals"
	"github.com/hashicorp/boundary/internal/authtoken"
	"github.com/hashicorp/boundary/internal/daemon/controller/auth"
	"github.com/hashicorp/boundary/internal/daemon/controller/handlers/groups"
	"github.com/hashicorp/boundary/internal/db"
	pbs "github.com/hashicorp/boundary/internal/gen/controller/api/services"
	"github.com/hashicorp/boundary/internal/iam"
	"github.com/hashicorp/boundary/internal/kms"
	"github.com/stretchr/testify/require"
)

// TestGrants_ReadActions tests read actions to assert that grants are being applied properly
//
//	 Role - which scope the role is created in
//			- global level
//			- org level
//			- project level
//		Grant - what IAM grant scope is set for the permission
//			- global: descendant
//			- org: children
//			- project
//		Scopes [resource]:
//			- global [globalGroup]
//				- org1 [org1Group]
//					- proj1 [proj1Group]
//				- org2 [org2Group]
//					- proj2 [proj2Group]
//					- proj3 [proj3Group]
func TestGrants_ReadActions(t *testing.T) {
	ctx := context.Background()
	conn, _ := db.TestSetup(t, "postgres")
	wrap := db.TestWrapper(t)
	iamRepo := iam.TestRepo(t, conn, wrap)
	repoFn := func() (*iam.Repository, error) {
		return iamRepo, nil
	}
	kmsCache := kms.TestKms(t, conn, wrap)
	s, err := groups.NewService(ctx, repoFn, 1000)
	require.NoError(t, err)
	org1, _ := iam.TestScopes(t, iamRepo)
	org2, proj2 := iam.TestScopes(t, iamRepo)
	proj3 := iam.TestProject(t, iamRepo, org2.PublicId)
	globalGroup := iam.TestGroup(t, conn, globals.GlobalPrefix, iam.WithDescription("global"), iam.WithName("global"))
	org1Group := iam.TestGroup(t, conn, org1.GetPublicId(), iam.WithDescription("org1"), iam.WithName("org1"))
	org2Group := iam.TestGroup(t, conn, org2.GetPublicId(), iam.WithDescription("org2"), iam.WithName("org2"))

	proj2Group := iam.TestGroup(t, conn, proj2.GetPublicId(), iam.WithDescription("proj2"), iam.WithName("proj2"))
	proj3Group := iam.TestGroup(t, conn, proj3.GetPublicId(), iam.WithDescription("proj3"), iam.WithName("proj3"))

	t.Run("List", func(t *testing.T) {
		testcases := []struct {
			name          string
			input         *pbs.ListGroupsRequest
			rolesToCreate []authtoken.TestRoleGrantsForToken
			wantErr       error
			wantIDs       []string
		}{
			{
				name: "global role grant this and children returns global and org groups",
				input: &pbs.ListGroupsRequest{
					ScopeId:   globals.GlobalPrefix,
					Recursive: true,
				},
				rolesToCreate: []authtoken.TestRoleGrantsForToken{
					{
						RoleScopeID:  globals.GlobalPrefix,
						GrantStrings: []string{"ids=*;type=group;actions=list,read"},
						GrantScopes:  []string{globals.GrantScopeThis, globals.GrantScopeChildren},
					},
				},
				wantErr: nil,
				wantIDs: []string{globalGroup.PublicId, org1Group.PublicId, org2Group.PublicId},
			},
			{
				name: "org role grant this and children returns org and project groups",
				input: &pbs.ListGroupsRequest{
					ScopeId:   org2.PublicId,
					Recursive: true,
				},
				rolesToCreate: []authtoken.TestRoleGrantsForToken{
					{
						RoleScopeID:  org2.PublicId,
						GrantStrings: []string{"ids=*;type=group;actions=list,read"},
						GrantScopes:  []string{globals.GrantScopeThis, globals.GrantScopeChildren},
					},
				},
				wantErr: nil,
				wantIDs: []string{org2Group.PublicId, proj2Group.PublicId, proj3Group.PublicId},
			},
		}

		for _, tc := range testcases {
			t.Run(tc.name, func(t *testing.T) {
				tok := authtoken.TestAuthTokenWithRoles(t, conn, kmsCache, globals.GlobalPrefix, tc.rolesToCreate)
				fullGrantAuthCtx := auth.TestAuthContextFromToken(t, conn, wrap, tok, iamRepo)
				got, finalErr := s.ListGroups(fullGrantAuthCtx, tc.input)
				if tc.wantErr != nil {
					require.ErrorIs(t, finalErr, tc.wantErr)
					return
				}
				require.NoError(t, finalErr)
				var gotIDs []string
				for _, g := range got.Items {
					gotIDs = append(gotIDs, g.GetId())
				}
				require.ElementsMatch(t, tc.wantIDs, gotIDs)
			})
		}
	})
}