package command

import (
	"context"
	"testing"

	"github.com/stretchr/testify/assert"
	"golang.org/x/text/language"

	"github.com/caos/zitadel/internal/crypto"
	"github.com/caos/zitadel/internal/domain"
	caos_errs "github.com/caos/zitadel/internal/errors"
	"github.com/caos/zitadel/internal/eventstore"
	"github.com/caos/zitadel/internal/eventstore/repository"
	"github.com/caos/zitadel/internal/repository/org"
	"github.com/caos/zitadel/internal/repository/user"
)

func TestCommandSide_AddHumanOTP(t *testing.T) {
	type fields struct {
		eventstore *eventstore.Eventstore
	}
	type (
		args struct {
			ctx    context.Context
			orgID  string
			userID string
		}
	)
	type res struct {
		want *domain.ObjectDetails
		err  func(error) bool
	}
	tests := []struct {
		name   string
		fields fields
		args   args
		res    res
	}{
		{
			name: "userid missing, invalid argument error",
			fields: fields{
				eventstore: eventstoreExpect(
					t,
				),
			},
			args: args{
				ctx:    context.Background(),
				orgID:  "org1",
				userID: "",
			},
			res: res{
				err: caos_errs.IsErrorInvalidArgument,
			},
		},
		{
			name: "user not existing, not found error",
			fields: fields{
				eventstore: eventstoreExpect(
					t,
					expectFilter(),
				),
			},
			args: args{
				ctx:    context.Background(),
				orgID:  "org1",
				userID: "user1",
			},
			res: res{
				err: caos_errs.IsPreconditionFailed,
			},
		},
		{
			name: "org not existing, not found error",
			fields: fields{
				eventstore: eventstoreExpect(
					t,
					expectFilter(
						eventFromEventPusher(
							user.NewHumanAddedEvent(context.Background(),
								&user.NewAggregate("user1", "org1").Aggregate,
								"username",
								"firstname",
								"lastname",
								"nickname",
								"displayname",
								language.German,
								domain.GenderUnspecified,
								"email@test.ch",
								true,
							),
						),
					),
					expectFilter(),
				),
			},
			args: args{
				ctx:    context.Background(),
				orgID:  "org1",
				userID: "user1",
			},
			res: res{
				err: caos_errs.IsPreconditionFailed,
			},
		},
		{
			name: "org iam policy not existing, not found error",
			fields: fields{
				eventstore: eventstoreExpect(
					t,
					expectFilter(
						eventFromEventPusher(
							user.NewHumanAddedEvent(context.Background(),
								&user.NewAggregate("user1", "org1").Aggregate,
								"username",
								"firstname",
								"lastname",
								"nickname",
								"displayname",
								language.German,
								domain.GenderUnspecified,
								"email@test.ch",
								true,
							),
						),
					),
					expectFilter(
						eventFromEventPusher(
							org.NewOrgAddedEvent(context.Background(),
								&user.NewAggregate("org1", "org1").Aggregate,
								"org",
							),
						),
					),
					expectFilter(),
					expectFilter(),
				),
			},
			args: args{
				ctx:    context.Background(),
				orgID:  "org1",
				userID: "user1",
			},
			res: res{
				err: caos_errs.IsPreconditionFailed,
			},
		},
		{
			name: "otp already exists, already exists error",
			fields: fields{
				eventstore: eventstoreExpect(
					t,
					expectFilter(
						eventFromEventPusher(
							user.NewHumanAddedEvent(context.Background(),
								&user.NewAggregate("user1", "org1").Aggregate,
								"username",
								"firstname",
								"lastname",
								"nickname",
								"displayname",
								language.German,
								domain.GenderUnspecified,
								"email@test.ch",
								true,
							),
						),
					),
					expectFilter(
						eventFromEventPusher(
							org.NewOrgAddedEvent(context.Background(),
								&user.NewAggregate("org1", "org1").Aggregate,
								"org",
							),
						),
					),
					expectFilter(
						eventFromEventPusher(
							org.NewOrgIAMPolicyAddedEvent(context.Background(),
								&org.NewAggregate("org1", "org1").Aggregate,
								true,
							),
						),
					),
					expectFilter(
						eventFromEventPusher(
							user.NewHumanOTPAddedEvent(context.Background(),
								&user.NewAggregate("user1", "org1").Aggregate,
								&crypto.CryptoValue{
									CryptoType: crypto.TypeEncryption,
									Algorithm:  "enc",
									KeyID:      "id",
									Crypted:    []byte("a"),
								}),
						),
						eventFromEventPusher(
							user.NewHumanOTPVerifiedEvent(context.Background(),
								&user.NewAggregate("user1", "org1").Aggregate,
								"agent1")),
					),
				),
			},
			args: args{
				ctx:    context.Background(),
				orgID:  "org1",
				userID: "user1",
			},
			res: res{
				err: caos_errs.IsErrorAlreadyExists,
			},
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			r := &Commands{
				eventstore: tt.fields.eventstore,
			}
			got, err := r.AddHumanOTP(tt.args.ctx, tt.args.userID, tt.args.orgID)
			if tt.res.err == nil {
				assert.NoError(t, err)
			}
			if tt.res.err != nil && !tt.res.err(err) {
				t.Errorf("got wrong err: %v ", err)
			}
			if tt.res.err == nil {
				assert.Equal(t, tt.res.want, got)
			}
		})
	}
}

func TestCommandSide_RemoveHumanOTP(t *testing.T) {
	type fields struct {
		eventstore *eventstore.Eventstore
	}
	type (
		args struct {
			ctx    context.Context
			orgID  string
			userID string
		}
	)
	type res struct {
		want *domain.ObjectDetails
		err  func(error) bool
	}
	tests := []struct {
		name   string
		fields fields
		args   args
		res    res
	}{
		{
			name: "userid missing, invalid argument error",
			fields: fields{
				eventstore: eventstoreExpect(
					t,
				),
			},
			args: args{
				ctx:    context.Background(),
				orgID:  "org1",
				userID: "",
			},
			res: res{
				err: caos_errs.IsErrorInvalidArgument,
			},
		},
		{
			name: "otp not existing, not found error",
			fields: fields{
				eventstore: eventstoreExpect(
					t,
					expectFilter(),
				),
			},
			args: args{
				ctx:    context.Background(),
				orgID:  "org1",
				userID: "user1",
			},
			res: res{
				err: caos_errs.IsNotFound,
			},
		},
		{
			name: "otp not existing, not found error",
			fields: fields{
				eventstore: eventstoreExpect(
					t,
					expectFilter(
						eventFromEventPusher(
							user.NewHumanOTPAddedEvent(context.Background(),
								&user.NewAggregate("user1", "org1").Aggregate,
								nil,
							),
						),
					),
					expectPush(
						[]*repository.Event{
							eventFromEventPusher(
								user.NewHumanOTPRemovedEvent(context.Background(),
									&user.NewAggregate("user1", "org1").Aggregate,
								),
							),
						},
					),
				),
			},
			args: args{
				ctx:    context.Background(),
				orgID:  "org1",
				userID: "user1",
			},
			res: res{
				want: &domain.ObjectDetails{
					ResourceOwner: "org1",
				},
			},
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			r := &Commands{
				eventstore: tt.fields.eventstore,
			}
			got, err := r.HumanRemoveOTP(tt.args.ctx, tt.args.userID, tt.args.orgID)
			if tt.res.err == nil {
				assert.NoError(t, err)
			}
			if tt.res.err != nil && !tt.res.err(err) {
				t.Errorf("got wrong err: %v ", err)
			}
			if tt.res.err == nil {
				assert.Equal(t, tt.res.want, got)
			}
		})
	}
}