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

package hosts_test

import (
	"context"
	"testing"

	"github.com/hashicorp/boundary/globals"
	"github.com/hashicorp/boundary/internal/auth"
	"github.com/hashicorp/boundary/internal/auth/password"
	"github.com/hashicorp/boundary/internal/authtoken"
	controllerauth "github.com/hashicorp/boundary/internal/daemon/controller/auth"
	"github.com/hashicorp/boundary/internal/daemon/controller/handlers/hosts"
	"github.com/hashicorp/boundary/internal/db"
	pbs "github.com/hashicorp/boundary/internal/gen/controller/api/services"
	hostplugin "github.com/hashicorp/boundary/internal/host/plugin"
	"github.com/hashicorp/boundary/internal/host/static"
	"github.com/hashicorp/boundary/internal/iam"
	"github.com/hashicorp/boundary/internal/kms"
	"github.com/hashicorp/boundary/internal/scheduler"
	plgpb "github.com/hashicorp/boundary/sdk/pbs/plugin"
	"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
//			- proj level
//		Grant - what IAM grant scope is set for the permission
//			- global: descendant
//			- org: children
//			- project: this
//		Scopes [resource]:
//			- global
//				- org1
//					- proj1
func TestGrants_ReadActions(t *testing.T) {
	ctx := context.Background()
	conn, _ := db.TestSetup(t, "postgres")
	wrap := db.TestWrapper(t)
	rw := db.New(conn)
	iamRepo := iam.TestRepo(t, conn, wrap)
	kmsCache := kms.TestKms(t, conn, wrap)
	sche := scheduler.TestScheduler(t, conn, wrap)
	pluginRepoFn := func() (*hostplugin.Repository, error) {
		return hostplugin.NewRepository(ctx, rw, rw, kmsCache, sche, map[string]plgpb.HostPluginServiceClient{})
	}
	repoFn := func() (*static.Repository, error) {
		return static.NewRepository(ctx, rw, rw, kmsCache)
	}
	s, err := hosts.NewService(ctx, repoFn, pluginRepoFn, 1000)
	require.NoError(t, err)
	atRepo, err := authtoken.NewRepository(ctx, rw, rw, kmsCache)
	require.NoError(t, err)

	org, proj := iam.TestScopes(t, iamRepo)

	hcs := static.TestCatalogs(t, conn, proj.GetPublicId(), 1)
	hc := hcs[0]

	hset := static.TestSets(t, conn, hc.GetPublicId(), 1)[0]
	var wantHs []string
	testHosts := static.TestHosts(t, conn, hc.GetPublicId(), 10)
	static.TestSetMembers(t, conn, hset.GetPublicId(), testHosts)
	for _, h := range testHosts {
		wantHs = append(wantHs, h.GetPublicId())
	}

	t.Run("List", func(t *testing.T) {
		testcases := []struct {
			name     string
			input    *pbs.ListHostsRequest
			userFunc func() (*iam.User, auth.Account)
			wantErr  error
			wantIDs  []string
		}{
			{
				name: "global role grant this returns all created hosts",
				input: &pbs.ListHostsRequest{
					HostCatalogId: hc.GetPublicId(),
				},
				userFunc: iam.TestUserGroupGrantsFunc(t, conn, kmsCache, globals.GlobalPrefix, password.TestAuthMethodWithAccount, []iam.TestRoleGrantsRequest{
					{
						RoleScopeId: globals.GlobalPrefix,
						Grants:      []string{"ids=*;type=host;actions=list,read"},
						GrantScopes: []string{globals.GrantScopeThis, globals.GrantScopeDescendants},
					},
				}),
				wantErr: nil,
				wantIDs: wantHs,
			},
			{
				name: "org role grant this returns all created hosts",
				input: &pbs.ListHostsRequest{
					HostCatalogId: hc.GetPublicId(),
				},
				userFunc: iam.TestUserGroupGrantsFunc(t, conn, kmsCache, globals.GlobalPrefix, password.TestAuthMethodWithAccount, []iam.TestRoleGrantsRequest{
					{
						RoleScopeId: org.PublicId,
						Grants:      []string{"ids=*;type=host;actions=list,read"},
						GrantScopes: []string{globals.GrantScopeThis, globals.GrantScopeChildren},
					},
				}),
				wantErr: nil,
				wantIDs: wantHs,
			},
			{
				name: "project role grant this returns all created hosts",
				input: &pbs.ListHostsRequest{
					HostCatalogId: hc.GetPublicId(),
				},
				userFunc: iam.TestUserGroupGrantsFunc(t, conn, kmsCache, globals.GlobalPrefix, password.TestAuthMethodWithAccount, []iam.TestRoleGrantsRequest{
					{
						RoleScopeId: proj.PublicId,
						Grants:      []string{"ids=*;type=host;actions=list,read"},
						GrantScopes: []string{globals.GrantScopeThis},
					},
				}),
				wantErr: nil,
				wantIDs: wantHs,
			},
		}

		for _, tc := range testcases {
			t.Run(tc.name, func(t *testing.T) {
				user, account := tc.userFunc()
				tok, err := atRepo.CreateAuthToken(ctx, user, account.GetPublicId())
				require.NoError(t, err)
				fullGrantAuthCtx := controllerauth.TestAuthContextFromToken(t, conn, wrap, tok, iamRepo)
				got, finalErr := s.ListHosts(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)
			})
		}
	})
}