package projection

import (
	"testing"

	"github.com/zitadel/zitadel/internal/domain"
	"github.com/zitadel/zitadel/internal/errors"
	"github.com/zitadel/zitadel/internal/eventstore"
	"github.com/zitadel/zitadel/internal/eventstore/handler"
	"github.com/zitadel/zitadel/internal/eventstore/repository"
	"github.com/zitadel/zitadel/internal/repository/instance"
	"github.com/zitadel/zitadel/internal/repository/org"
)

func TestIDPLoginPolicyLinkProjection_reduces(t *testing.T) {
	type args struct {
		event func(t *testing.T) eventstore.Event
	}
	tests := []struct {
		name   string
		args   args
		reduce func(event eventstore.Event) (*handler.Statement, error)
		want   wantReduce
	}{
		{
			name: "iam reduceAdded",
			args: args{
				event: getEvent(testEvent(
					repository.EventType(instance.LoginPolicyIDPProviderAddedEventType),
					instance.AggregateType,
					[]byte(`{
	"idpConfigId": "idp-config-id",
    "idpProviderType": 1
}`),
				), instance.IdentityProviderAddedEventMapper),
			},
			reduce: (&idpLoginPolicyLinkProjection{}).reduceAdded,
			want: wantReduce{
				aggregateType:    instance.AggregateType,
				sequence:         15,
				previousSequence: 10,
				executer: &testExecuter{
					executions: []execution{
						{
							expectedStmt: "INSERT INTO projections.idp_login_policy_links4 (idp_id, aggregate_id, creation_date, change_date, sequence, resource_owner, instance_id, provider_type) VALUES ($1, $2, $3, $4, $5, $6, $7, $8)",
							expectedArgs: []interface{}{
								"idp-config-id",
								"agg-id",
								anyArg{},
								anyArg{},
								uint64(15),
								"ro-id",
								"instance-id",
								domain.IdentityProviderTypeSystem,
							},
						},
					},
				},
			},
		},
		{
			name: "iam reduceRemoved",
			args: args{
				event: getEvent(testEvent(
					repository.EventType(instance.LoginPolicyIDPProviderRemovedEventType),
					instance.AggregateType,
					[]byte(`{
	"idpConfigId": "idp-config-id",
    "idpProviderType": 1
}`),
				), instance.IdentityProviderRemovedEventMapper),
			},
			reduce: (&idpLoginPolicyLinkProjection{}).reduceRemoved,
			want: wantReduce{
				aggregateType:    instance.AggregateType,
				sequence:         15,
				previousSequence: 10,
				executer: &testExecuter{
					executions: []execution{
						{
							expectedStmt: "DELETE FROM projections.idp_login_policy_links4 WHERE (idp_id = $1) AND (aggregate_id = $2) AND (instance_id = $3)",
							expectedArgs: []interface{}{
								"idp-config-id",
								"agg-id",
								"instance-id",
							},
						},
					},
				},
			},
		},
		{
			name: "iam reduceCascadeRemoved",
			args: args{
				event: getEvent(testEvent(
					repository.EventType(instance.LoginPolicyIDPProviderCascadeRemovedEventType),
					instance.AggregateType,
					[]byte(`{
	"idpConfigId": "idp-config-id",
    "idpProviderType": 1
}`),
				), instance.IdentityProviderCascadeRemovedEventMapper),
			},
			reduce: (&idpLoginPolicyLinkProjection{}).reduceCascadeRemoved,
			want: wantReduce{
				aggregateType:    instance.AggregateType,
				sequence:         15,
				previousSequence: 10,
				executer: &testExecuter{
					executions: []execution{
						{
							expectedStmt: "DELETE FROM projections.idp_login_policy_links4 WHERE (idp_id = $1) AND (aggregate_id = $2) AND (instance_id = $3)",
							expectedArgs: []interface{}{
								"idp-config-id",
								"agg-id",
								"instance-id",
							},
						},
					},
				},
			},
		},
		{
			name: "org reduceAdded",
			args: args{
				event: getEvent(testEvent(
					repository.EventType(org.LoginPolicyIDPProviderAddedEventType),
					org.AggregateType,
					[]byte(`{
	"idpConfigId": "idp-config-id",
    "idpProviderType": 1
}`),
				), org.IdentityProviderAddedEventMapper),
			},
			reduce: (&idpLoginPolicyLinkProjection{}).reduceAdded,
			want: wantReduce{
				aggregateType:    org.AggregateType,
				sequence:         15,
				previousSequence: 10,
				executer: &testExecuter{
					executions: []execution{
						{
							expectedStmt: "INSERT INTO projections.idp_login_policy_links4 (idp_id, aggregate_id, creation_date, change_date, sequence, resource_owner, instance_id, provider_type) VALUES ($1, $2, $3, $4, $5, $6, $7, $8)",
							expectedArgs: []interface{}{
								"idp-config-id",
								"agg-id",
								anyArg{},
								anyArg{},
								uint64(15),
								"ro-id",
								"instance-id",
								domain.IdentityProviderTypeOrg,
							},
						},
					},
				},
			},
		},
		{
			name: "org reduceRemoved",
			args: args{
				event: getEvent(testEvent(
					repository.EventType(org.LoginPolicyIDPProviderRemovedEventType),
					org.AggregateType,
					[]byte(`{
	"idpConfigId": "idp-config-id",
    "idpProviderType": 1
}`),
				), org.IdentityProviderRemovedEventMapper),
			},
			reduce: (&idpLoginPolicyLinkProjection{}).reduceRemoved,
			want: wantReduce{
				aggregateType:    org.AggregateType,
				sequence:         15,
				previousSequence: 10,
				executer: &testExecuter{
					executions: []execution{
						{
							expectedStmt: "DELETE FROM projections.idp_login_policy_links4 WHERE (idp_id = $1) AND (aggregate_id = $2) AND (instance_id = $3)",
							expectedArgs: []interface{}{
								"idp-config-id",
								"agg-id",
								"instance-id",
							},
						},
					},
				},
			},
		},
		{
			name: "instance reduceInstanceRemoved",
			args: args{
				event: getEvent(testEvent(
					repository.EventType(instance.InstanceRemovedEventType),
					instance.AggregateType,
					nil,
				), instance.InstanceRemovedEventMapper),
			},
			reduce: reduceInstanceRemovedHelper(IDPUserLinkInstanceIDCol),
			want: wantReduce{
				aggregateType:    eventstore.AggregateType("instance"),
				sequence:         15,
				previousSequence: 10,
				executer: &testExecuter{
					executions: []execution{
						{
							expectedStmt: "DELETE FROM projections.idp_login_policy_links4 WHERE (instance_id = $1)",
							expectedArgs: []interface{}{
								"agg-id",
							},
						},
					},
				},
			},
		},
		{
			name: "org reduceCascadeRemoved",
			args: args{
				event: getEvent(testEvent(
					repository.EventType(org.LoginPolicyIDPProviderCascadeRemovedEventType),
					org.AggregateType,
					[]byte(`{
	"idpConfigId": "idp-config-id",
    "idpProviderType": 1
}`),
				), org.IdentityProviderCascadeRemovedEventMapper),
			},
			reduce: (&idpLoginPolicyLinkProjection{}).reduceCascadeRemoved,
			want: wantReduce{
				aggregateType:    org.AggregateType,
				sequence:         15,
				previousSequence: 10,
				executer: &testExecuter{
					executions: []execution{
						{
							expectedStmt: "DELETE FROM projections.idp_login_policy_links4 WHERE (idp_id = $1) AND (aggregate_id = $2) AND (instance_id = $3)",
							expectedArgs: []interface{}{
								"idp-config-id",
								"agg-id",
								"instance-id",
							},
						},
					},
				},
			},
		},
		{
			name: "reducePolicyRemoved",
			args: args{
				event: getEvent(testEvent(
					repository.EventType(org.LoginPolicyRemovedEventType),
					org.AggregateType,
					nil,
				), org.LoginPolicyRemovedEventMapper),
			},
			reduce: (&idpLoginPolicyLinkProjection{}).reducePolicyRemoved,
			want: wantReduce{
				aggregateType:    org.AggregateType,
				sequence:         15,
				previousSequence: 10,
				executer: &testExecuter{
					executions: []execution{
						{
							expectedStmt: "DELETE FROM projections.idp_login_policy_links4 WHERE (aggregate_id = $1) AND (instance_id = $2)",
							expectedArgs: []interface{}{
								"agg-id",
								"instance-id",
							},
						},
					},
				},
			},
		},
		{
			name: "org IDPConfigRemovedEvent",
			args: args{
				event: getEvent(testEvent(
					repository.EventType(org.IDPConfigRemovedEventType),
					org.AggregateType,
					[]byte(`{
						"idpConfigId": "idp-config-id"
					}`),
				), org.IDPConfigRemovedEventMapper),
			},
			reduce: (&idpLoginPolicyLinkProjection{}).reduceIDPConfigRemoved,
			want: wantReduce{
				aggregateType:    org.AggregateType,
				sequence:         15,
				previousSequence: 10,
				executer: &testExecuter{
					executions: []execution{
						{
							expectedStmt: "DELETE FROM projections.idp_login_policy_links4 WHERE (idp_id = $1) AND (resource_owner = $2) AND (instance_id = $3)",
							expectedArgs: []interface{}{
								"idp-config-id",
								"ro-id",
								"instance-id",
							},
						},
					},
				},
			},
		},
		{
			name: "iam IDPConfigRemovedEvent",
			args: args{
				event: getEvent(testEvent(
					repository.EventType(instance.IDPConfigRemovedEventType),
					instance.AggregateType,
					[]byte(`{
						"idpConfigId": "idp-config-id"
					}`),
				), instance.IDPConfigRemovedEventMapper),
			},
			reduce: (&idpLoginPolicyLinkProjection{}).reduceIDPConfigRemoved,
			want: wantReduce{
				aggregateType:    instance.AggregateType,
				sequence:         15,
				previousSequence: 10,
				executer: &testExecuter{
					executions: []execution{
						{
							expectedStmt: "DELETE FROM projections.idp_login_policy_links4 WHERE (idp_id = $1) AND (resource_owner = $2) AND (instance_id = $3)",
							expectedArgs: []interface{}{
								"idp-config-id",
								"ro-id",
								"instance-id",
							},
						},
					},
				},
			},
		},
		{
			name: "org IDPRemovedEvent",
			args: args{
				event: getEvent(testEvent(
					repository.EventType(org.IDPRemovedEventType),
					org.AggregateType,
					[]byte(`{
						"id": "id"
					}`),
				), org.IDPRemovedEventMapper),
			},
			reduce: (&idpLoginPolicyLinkProjection{}).reduceIDPRemoved,
			want: wantReduce{
				aggregateType:    org.AggregateType,
				sequence:         15,
				previousSequence: 10,
				executer: &testExecuter{
					executions: []execution{
						{
							expectedStmt: "DELETE FROM projections.idp_login_policy_links4 WHERE (idp_id = $1) AND (resource_owner = $2) AND (instance_id = $3)",
							expectedArgs: []interface{}{
								"id",
								"ro-id",
								"instance-id",
							},
						},
					},
				},
			},
		},
		{
			name: "iam IDPRemovedEvent",
			args: args{
				event: getEvent(testEvent(
					repository.EventType(instance.IDPRemovedEventType),
					instance.AggregateType,
					[]byte(`{
						"id": "id"
					}`),
				), instance.IDPRemovedEventMapper),
			},
			reduce: (&idpLoginPolicyLinkProjection{}).reduceIDPRemoved,
			want: wantReduce{
				aggregateType:    instance.AggregateType,
				sequence:         15,
				previousSequence: 10,
				executer: &testExecuter{
					executions: []execution{
						{
							expectedStmt: "DELETE FROM projections.idp_login_policy_links4 WHERE (idp_id = $1) AND (resource_owner = $2) AND (instance_id = $3)",
							expectedArgs: []interface{}{
								"id",
								"ro-id",
								"instance-id",
							},
						},
					},
				},
			},
		},
		{
			name:   "org.reduceOwnerRemoved",
			reduce: (&idpLoginPolicyLinkProjection{}).reduceOwnerRemoved,
			args: args{
				event: getEvent(testEvent(
					repository.EventType(org.OrgRemovedEventType),
					org.AggregateType,
					nil,
				), org.OrgRemovedEventMapper),
			},
			want: wantReduce{
				aggregateType:    eventstore.AggregateType("org"),
				sequence:         15,
				previousSequence: 10,
				executer: &testExecuter{
					executions: []execution{
						{
							expectedStmt: "UPDATE projections.idp_login_policy_links4 SET (change_date, sequence, owner_removed) = ($1, $2, $3) WHERE (instance_id = $4) AND (resource_owner = $5)",
							expectedArgs: []interface{}{
								anyArg{},
								uint64(15),
								true,
								"instance-id",
								"agg-id",
							},
						},
					},
				},
			},
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			event := baseEvent(t)
			got, err := tt.reduce(event)
			if _, ok := err.(errors.InvalidArgument); !ok {
				t.Errorf("no wrong event mapping: %v, got: %v", err, got)
			}

			event = tt.args.event(t)
			got, err = tt.reduce(event)
			assertReduce(t, got, err, IDPLoginPolicyLinkTable, tt.want)
		})
	}
}