package sqlserverflexbeta

import (
	"context"
	"reflect"
	"testing"
	"time"

	"github.com/google/go-cmp/cmp"
	"github.com/stackitcloud/stackit-sdk-go/core/oapierror"
	"github.com/stackitcloud/stackit-sdk-go/core/utils"

	sqlserverflex "tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/pkg_gen/sqlserverflexbeta"
)

// Used for testing instance operations
type apiClientInstanceMocked struct {
	instanceId        string
	instanceState     string
	instanceNetwork   sqlserverflex.InstanceNetwork
	instanceIsDeleted bool
	instanceGetFails  bool
}

type ListUsersRequestRequest struct{}

func (l ListUsersRequestRequest) Page(_ int64) sqlserverflex.ApiListUsersRequestRequest {
	return l
}

func (l ListUsersRequestRequest) Size(_ int64) sqlserverflex.ApiListUsersRequestRequest {
	return l
}

func (l ListUsersRequestRequest) Sort(_ sqlserverflex.UserSort) sqlserverflex.ApiListUsersRequestRequest {
	return l
}

func (l ListUsersRequestRequest) Execute() (*sqlserverflex.ListUserResponse, error) {
	// TODO implement me
	panic("implement me")
}

func (a *apiClientInstanceMocked) ListUsersRequest(
	_ context.Context,
	_ string,
	_ string,
	_ string,
) sqlserverflex.ApiListUsersRequestRequest {
	return ListUsersRequestRequest{}
}

func (a *apiClientInstanceMocked) ListRolesRequestExecute(
	_ context.Context,
	_ string,
	_ string,
	_ string,
) (*sqlserverflex.ListRolesResponse, error) {
	return &sqlserverflex.ListRolesResponse{
		Roles: &[]string{},
	}, nil
}

func (a *apiClientInstanceMocked) ListUsersRequestExecute(
	_ context.Context,
	_ string,
	_ string,
	_ string,
) (*sqlserverflex.ListUserResponse, error) {
	return &sqlserverflex.ListUserResponse{
		Pagination: nil,
		Users:      nil,
	}, nil
}

func (a *apiClientInstanceMocked) GetDatabaseRequestExecute(
	_ context.Context,
	_ string,
	_ string,
	_ string,
	_ string,
) (*sqlserverflex.GetDatabaseResponse, error) {
	return nil, nil
}

func (a *apiClientInstanceMocked) GetUserRequestExecute(
	_ context.Context,
	_ string,
	_ string,
	_ string,
	_ int64,
) (*sqlserverflex.GetUserResponse, error) {
	return nil, nil
}

func (a *apiClientInstanceMocked) GetInstanceRequestExecute(
	_ context.Context,
	_, _, _ string,
) (*sqlserverflex.GetInstanceResponse, error) {
	if a.instanceGetFails {
		return nil, &oapierror.GenericOpenAPIError{
			StatusCode: 500,
		}
	}

	if a.instanceIsDeleted {
		return nil, &oapierror.GenericOpenAPIError{
			StatusCode: 404,
		}
	}

	return &sqlserverflex.GetInstanceResponse{
		Id:      &a.instanceId,
		Status:  sqlserverflex.GetInstanceResponseGetStatusAttributeType(&a.instanceState),
		Network: &a.instanceNetwork,
	}, nil
}
func TestCreateInstanceWaitHandler(t *testing.T) {
	instanceId := utils.Ptr("foo")
	tests := []struct {
		desc                string
		instanceId          string
		instanceGetFails    bool
		instanceState       string
		instanceNetwork     sqlserverflex.InstanceNetwork
		usersGetErrorStatus int
		wantErr             bool
		wantRes             *sqlserverflex.GetInstanceResponse
	}{
		//{
		//	desc:             "create_succeeded",
		//	instanceId:       *instanceId,
		//	instanceGetFails: false,
		//	instanceState:    *stateSuccess,
		//	instanceNetwork: sqlserverflex.InstanceNetwork{
		//		AccessScope:     nil,
		//		Acl:             nil,
		//		InstanceAddress: utils.Ptr("10.0.0.1"),
		//		RouterAddress:   utils.Ptr("10.0.0.2"),
		//	},
		//	wantErr: false,
		//	wantRes: &sqlserverflex.GetInstanceResponse{
		//		BackupSchedule: nil,
		//		Edition:        nil,
		//		Encryption:     nil,
		//		FlavorId:       nil,
		//		Id:             instanceId,
		//		IsDeletable:    nil,
		//		Name:           nil,
		//		Network: &sqlserverflex.InstanceNetwork{
		//			AccessScope:     nil,
		//			Acl:             nil,
		//			InstanceAddress: utils.Ptr("10.0.0.1"),
		//			RouterAddress:   utils.Ptr("10.0.0.2"),
		//		},
		//		Replicas:      nil,
		//		RetentionDays: nil,
		//		Status:        sqlserverflex.GetInstanceResponseGetStatusAttributeType(stateSuccess),
		//		Storage:       nil,
		//		Version:       nil,
		//	},
		// },
		{
			desc:             "create_failed",
			instanceId:       *instanceId,
			instanceGetFails: false,
			instanceState:    InstanceStateFailed,
			wantErr:          true,
			wantRes:          nil,
		},
		{
			desc:             "create_failed_2",
			instanceId:       *instanceId,
			instanceGetFails: false,
			instanceState:    InstanceStateEmpty,
			wantErr:          true,
			wantRes:          nil,
		},
		{
			desc:             "instance_get_fails",
			instanceId:       *instanceId,
			instanceGetFails: true,
			wantErr:          true,
			wantRes:          nil,
		},
		{
			desc:             "timeout",
			instanceId:       *instanceId,
			instanceGetFails: false,
			instanceState:    InstanceStateProcessing,
			wantErr:          true,
			wantRes:          nil,
		},
	}
	for _, tt := range tests {
		t.Run(
			tt.desc, func(t *testing.T) {
				apiClient := &apiClientInstanceMocked{
					instanceId:       tt.instanceId,
					instanceState:    tt.instanceState,
					instanceGetFails: tt.instanceGetFails,
				}

				handler := CreateInstanceWaitHandler(context.Background(), apiClient, "", tt.instanceId, "")

				gotRes, err := handler.SetTimeout(10 * time.Millisecond).SetSleepBeforeWait(1 * time.Millisecond).WaitWithContext(context.Background())
				if (err != nil) != tt.wantErr {
					t.Fatalf("handler error = %v, wantErr %v", err, tt.wantErr)
				}

				if !reflect.DeepEqual(gotRes, tt.wantRes) {
					t.Fatalf("handler gotRes = %v, want %v", gotRes, tt.wantRes)
				}
			},
		)
	}
}

func TestUpdateInstanceWaitHandler(t *testing.T) {
	t.Skip("skipping - needs refactoring")
	tests := []struct {
		desc             string
		instanceGetFails bool
		instanceState    string
		wantErr          bool
		wantResp         bool
	}{
		{
			desc:             "update_succeeded",
			instanceGetFails: false,
			instanceState:    InstanceStateSuccess,
			wantErr:          false,
			wantResp:         true,
		},
		{
			desc:             "update_failed",
			instanceGetFails: false,
			instanceState:    InstanceStateFailed,
			wantErr:          true,
			wantResp:         true,
		},
		{
			desc:             "update_failed_2",
			instanceGetFails: false,
			instanceState:    InstanceStateEmpty,
			wantErr:          true,
			wantResp:         true,
		},
		{
			desc:             "get_fails",
			instanceGetFails: true,
			wantErr:          true,
			wantResp:         false,
		},
		{
			desc:             "timeout",
			instanceGetFails: false,
			instanceState:    InstanceStateProcessing,
			wantErr:          true,
			wantResp:         true,
		},
	}
	for _, tt := range tests {
		t.Run(
			tt.desc, func(t *testing.T) {
				instanceId := "foo-bar"

				apiClient := &apiClientInstanceMocked{
					instanceId:       instanceId,
					instanceState:    tt.instanceState,
					instanceGetFails: tt.instanceGetFails,
				}

				var wantRes *sqlserverflex.GetInstanceResponse
				if tt.wantResp {
					wantRes = &sqlserverflex.GetInstanceResponse{
						Id:     &instanceId,
						Status: sqlserverflex.GetInstanceResponseGetStatusAttributeType(utils.Ptr(tt.instanceState)),
					}
				}

				handler := UpdateInstanceWaitHandler(context.Background(), apiClient, "", instanceId, "")

				gotRes, err := handler.SetTimeout(10 * time.Millisecond).SetSleepBeforeWait(1 * time.Millisecond).WaitWithContext(context.Background())

				if (err != nil) != tt.wantErr {
					t.Fatalf("handler error = %v, wantErr %v", err, tt.wantErr)
				}
				if !cmp.Equal(gotRes, wantRes) {
					t.Fatalf("handler gotRes = %v, want %v", gotRes, wantRes)
				}
			},
		)
	}
}

func TestDeleteInstanceWaitHandler(t *testing.T) {
	tests := []struct {
		desc             string
		instanceGetFails bool
		instanceState    string
		wantErr          bool
	}{
		{
			desc:             "delete_succeeded",
			instanceGetFails: false,
			instanceState:    InstanceStateSuccess,
			wantErr:          false,
		},
		{
			desc:             "delete_failed",
			instanceGetFails: false,
			instanceState:    InstanceStateFailed,
			wantErr:          true,
		},
		{
			desc:             "get_fails",
			instanceGetFails: true,
			wantErr:          true,
		},
	}
	for _, tt := range tests {
		t.Run(
			tt.desc, func(t *testing.T) {
				instanceId := "foo-bar"

				apiClient := &apiClientInstanceMocked{
					instanceGetFails:  tt.instanceGetFails,
					instanceIsDeleted: tt.instanceState == InstanceStateSuccess,
					instanceId:        instanceId,
					instanceState:     tt.instanceState,
				}

				handler := DeleteInstanceWaitHandler(context.Background(), apiClient, "", instanceId, "")

				_, err := handler.SetTimeout(10 * time.Millisecond).WaitWithContext(context.Background())

				if (err != nil) != tt.wantErr {
					t.Fatalf("handler error = %v, wantErr %v", err, tt.wantErr)
				}
			},
		)
	}
}