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// SPDX-FileCopyrightText: 2025 Shota FUJI <pockawoooh@gmail.com>
// SPDX-License-Identifier: AGPL-3.0-only

//go:build !js && !wasm

package v2

import (
	"context"
	"reflect"
	"testing"

	"connectrpc.com/connect"
	"google.golang.org/protobuf/proto"

	workspaceV2 "pocka.jp/x/yamori/proto/go/workspace/v2"
	"pocka.jp/x/yamori/proto/go/workspace/v2/v2connect"
)

func TestDeleteUserGetOK(t *testing.T) {
	server, jar := setupLogin(t)

	httpClient := server.Client()
	httpClient.Jar = jar

	client := v2connect.NewWorkspaceServiceClient(httpClient, server.URL())

	creation, err := client.CreateUser(
		context.Background(),
		connect.NewRequest(&workspaceV2.CreateUserRequest{
			Name:        proto.String("bob"),
			DisplayName: proto.String("Bob"),
			Password:    proto.String("bob_password"),
		}),
	)
	if err != nil {
		t.Fatal(err)
	}

	created, ok := creation.Msg.Result.(*workspaceV2.CreateUserResponse_Ok)
	if !ok {
		typeName := reflect.Indirect(reflect.ValueOf(creation.Msg.Result))
		t.Fatalf("Expected ok, got %s", typeName.Type().Name())
	}

	deletion, err := client.DeleteUser(
		context.Background(),
		connect.NewRequest(&workspaceV2.DeleteUserRequest{
			Id: created.Ok.Id,
		}),
	)
	if err != nil {
		t.Fatal(err)
	}

	deleted, ok := deletion.Msg.Result.(*workspaceV2.DeleteUserResponse_Ok)
	if !ok {
		typeName := reflect.Indirect(reflect.ValueOf(deletion.Msg.Result))
		t.Fatalf("Expected ok, got %s", typeName.Type().Name())
	}

	if deleted.Ok.Id.GetValue() != created.Ok.Id.GetValue() {
		t.Fatalf("Expected ID=%s, got ID=%s", created.Ok.Id.GetValue(), deleted.Ok.Id.GetValue())
	}

	getting, err := client.Get(
		context.Background(),
		connect.NewRequest(&workspaceV2.GetRequest{}),
	)
	if err != nil {
		t.Fatal(err)
	}

	get, ok := getting.Msg.Result.(*workspaceV2.GetResponse_Ok)
	if !ok {
		typeName := reflect.Indirect(reflect.ValueOf(getting.Msg.Result))
		t.Fatalf("Expected ok, got %s", typeName.Type().Name())
	}

	for _, u := range get.Ok.Users {
		if u.Id.GetValue() == created.Ok.Id.GetValue() {
			t.Errorf("User not deleted: ID=%s still exists", created.Ok.Id.GetValue())
		}
	}
}

func TestDeleteUserInsufficientPermission(t *testing.T) {
	server, jar := setupLogin(t)

	httpClient := server.Client()
	httpClient.Jar = jar

	client := v2connect.NewWorkspaceServiceClient(httpClient, server.URL())

	bob, err := client.CreateUser(
		context.Background(),
		connect.NewRequest(&workspaceV2.CreateUserRequest{
			Name:        proto.String("bob"),
			DisplayName: proto.String("Bob"),
			Password:    proto.String("bob_password"),
			Permissions: &workspaceV2.UserPermissions{
				CanAddUser: proto.Bool(true),
			},
		}),
	)
	if err != nil {
		t.Fatal(err)
	}

	v, ok := bob.Msg.Result.(*workspaceV2.CreateUserResponse_Ok)
	if !ok {
		typeName := reflect.Indirect(reflect.ValueOf(bob.Msg.Result))
		t.Errorf("Expected ok, got %s", typeName.Type().Name())
	}

	if v.Ok.GetName() != "bob" {
		t.Errorf("Expected bob, got %s", v.Ok.GetName())
	}

	bobLogin, err := client.Login(
		context.Background(),
		connect.NewRequest(&workspaceV2.LoginRequest{
			Name:     proto.String("bob"),
			Password: proto.String("bob_password"),
		}),
	)
	if err != nil {
		t.Fatal(err)
	}

	if _, ok := bobLogin.Msg.Result.(*workspaceV2.LoginResponse_Ok); !ok {
		typeName := reflect.Indirect(reflect.ValueOf(bobLogin.Msg.Result))
		t.Errorf("Expected ok, got %s", typeName.Type().Name())
	}

	creation, err := client.CreateUser(
		context.Background(),
		connect.NewRequest(&workspaceV2.CreateUserRequest{
			Name:        proto.String("carol"),
			DisplayName: proto.String("Carol"),
			Password:    proto.String("carol_password"),
		}),
	)

	created, ok := creation.Msg.Result.(*workspaceV2.CreateUserResponse_Ok)
	if !ok {
		typeName := reflect.Indirect(reflect.ValueOf(creation.Msg.Result))
		t.Fatalf("Expected ok, got %s", typeName.Type().Name())
	}

	deletion, err := client.DeleteUser(
		context.Background(),
		connect.NewRequest(&workspaceV2.DeleteUserRequest{
			Id: created.Ok.Id,
		}),
	)
	if err != nil {
		t.Fatal(err)
	}

	_, ok = deletion.Msg.Result.(*workspaceV2.DeleteUserResponse_PermissionError)
	if !ok {
		typeName := reflect.Indirect(reflect.ValueOf(deletion.Msg.Result))
		t.Fatalf("Expected permission_error, got %s", typeName.Type().Name())
	}

	getting, err := client.Get(
		context.Background(),
		connect.NewRequest(&workspaceV2.GetRequest{}),
	)
	if err != nil {
		t.Fatal(err)
	}

	get, ok := getting.Msg.Result.(*workspaceV2.GetResponse_Ok)
	if !ok {
		typeName := reflect.Indirect(reflect.ValueOf(getting.Msg.Result))
		t.Fatalf("Expected ok, got %s", typeName.Type().Name())
	}

	for _, u := range get.Ok.Users {
		if u.Id.GetValue() == created.Ok.Id.GetValue() {
			return
		}
	}

	t.Errorf("User deleted: Cannot find ID=%s", created.Ok.Id.GetValue())
}

func TestDeleteUserRejectsRegularUserDeleteingAdmin(t *testing.T) {
	server, jar := setupLogin(t)

	httpClient := server.Client()
	httpClient.Jar = jar

	client := v2connect.NewWorkspaceServiceClient(httpClient, server.URL())

	gettingBefore, err := client.Get(
		context.Background(),
		connect.NewRequest(&workspaceV2.GetRequest{}),
	)
	if err != nil {
		t.Fatal(err)
	}

	before, ok := gettingBefore.Msg.Result.(*workspaceV2.GetResponse_Ok)
	if !ok {
		typeName := reflect.Indirect(reflect.ValueOf(gettingBefore.Msg.Result))
		t.Fatalf("Expected ok, got %s", typeName.Type().Name())
	}

	var adminID string
	for _, u := range before.Ok.Users {
		if u.GetIsAdmin() {
			adminID = u.Id.GetValue()
			break
		}
	}

	if adminID == "" {
		t.Fatal("No admin found: test helper did not create admin user")
	}

	bob, err := client.CreateUser(
		context.Background(),
		connect.NewRequest(&workspaceV2.CreateUserRequest{
			Name:        proto.String("bob"),
			DisplayName: proto.String("Bob"),
			Password:    proto.String("bob_password"),
			Permissions: &workspaceV2.UserPermissions{
				CanDeleteRegularUser: proto.Bool(true),
			},
		}),
	)
	if err != nil {
		t.Fatal(err)
	}

	v, ok := bob.Msg.Result.(*workspaceV2.CreateUserResponse_Ok)
	if !ok {
		typeName := reflect.Indirect(reflect.ValueOf(bob.Msg.Result))
		t.Errorf("Expected ok, got %s", typeName.Type().Name())
	}

	if v.Ok.GetName() != "bob" {
		t.Errorf("Expected bob, got %s", v.Ok.GetName())
	}

	bobLogin, err := client.Login(
		context.Background(),
		connect.NewRequest(&workspaceV2.LoginRequest{
			Name:     proto.String("bob"),
			Password: proto.String("bob_password"),
		}),
	)
	if err != nil {
		t.Fatal(err)
	}

	if _, ok := bobLogin.Msg.Result.(*workspaceV2.LoginResponse_Ok); !ok {
		typeName := reflect.Indirect(reflect.ValueOf(bobLogin.Msg.Result))
		t.Errorf("Expected ok, got %s", typeName.Type().Name())
	}

	deletion, err := client.DeleteUser(
		context.Background(),
		connect.NewRequest(&workspaceV2.DeleteUserRequest{
			Id: &workspaceV2.UserID{
				Value: proto.String(adminID),
			},
		}),
	)
	if err != nil {
		t.Fatal(err)
	}

	_, ok = deletion.Msg.Result.(*workspaceV2.DeleteUserResponse_PermissionError)
	if !ok {
		typeName := reflect.Indirect(reflect.ValueOf(deletion.Msg.Result))
		t.Fatalf("Expected permission_error, got %s", typeName.Type().Name())
	}

	gettingAfter, err := client.Get(
		context.Background(),
		connect.NewRequest(&workspaceV2.GetRequest{}),
	)
	if err != nil {
		t.Fatal(err)
	}

	after, ok := gettingAfter.Msg.Result.(*workspaceV2.GetResponse_Ok)
	if !ok {
		typeName := reflect.Indirect(reflect.ValueOf(gettingAfter.Msg.Result))
		t.Fatalf("Expected ok, got %s", typeName.Type().Name())
	}

	for _, u := range after.Ok.Users {
		if u.Id.GetValue() == adminID {
			return
		}
	}

	t.Errorf("User deleted: Cannot find ID=%s", adminID)
}

func TestDeleteUserRejectsOnlyAdminDeletingSelf(t *testing.T) {
	server, jar := setupLogin(t)

	httpClient := server.Client()
	httpClient.Jar = jar

	client := v2connect.NewWorkspaceServiceClient(httpClient, server.URL())

	gettingBefore, err := client.Get(
		context.Background(),
		connect.NewRequest(&workspaceV2.GetRequest{}),
	)
	if err != nil {
		t.Fatal(err)
	}

	before, ok := gettingBefore.Msg.Result.(*workspaceV2.GetResponse_Ok)
	if !ok {
		typeName := reflect.Indirect(reflect.ValueOf(gettingBefore.Msg.Result))
		t.Fatalf("Expected ok, got %s", typeName.Type().Name())
	}

	var adminID string
	for _, u := range before.Ok.Users {
		if u.GetIsAdmin() {
			adminID = u.Id.GetValue()
			break
		}
	}

	if adminID == "" {
		t.Fatal("No admin found: test helper did not create admin user")
	}

	deletion, err := client.DeleteUser(
		context.Background(),
		connect.NewRequest(&workspaceV2.DeleteUserRequest{
			Id: &workspaceV2.UserID{
				Value: proto.String(adminID),
			},
		}),
	)
	if err != nil {
		t.Fatal(err)
	}

	_, ok = deletion.Msg.Result.(*workspaceV2.DeleteUserResponse_YouAreTheOnlyAdmin)
	if !ok {
		typeName := reflect.Indirect(reflect.ValueOf(deletion.Msg.Result))
		t.Fatalf("Expected you_are_the_only_admin, got %s", typeName.Type().Name())
	}

	gettingAfter, err := client.Get(
		context.Background(),
		connect.NewRequest(&workspaceV2.GetRequest{}),
	)
	if err != nil {
		t.Fatal(err)
	}

	after, ok := gettingAfter.Msg.Result.(*workspaceV2.GetResponse_Ok)
	if !ok {
		typeName := reflect.Indirect(reflect.ValueOf(gettingAfter.Msg.Result))
		t.Fatalf("Expected ok, got %s", typeName.Type().Name())
	}

	for _, u := range after.Ok.Users {
		if u.Id.GetValue() == adminID {
			return
		}
	}

	t.Errorf("User deleted: Cannot find ID=%s", adminID)
}