using System.Security.Claims;
using Bit.Api.AdminConsole.Controllers;
using Bit.Api.AdminConsole.Models.Request.Organizations;
using Bit.Api.Vault.AuthorizationHandlers.Collections;
using Bit.Core;
using Bit.Core.AdminConsole.Entities;
using Bit.Core.AdminConsole.Enums;
using Bit.Core.AdminConsole.Models.Data.Organizations.Policies;
using Bit.Core.AdminConsole.Repositories;
using Bit.Core.Auth.Entities;
using Bit.Core.Auth.Repositories;
using Bit.Core.Context;
using Bit.Core.Entities;
using Bit.Core.Enums;
using Bit.Core.Exceptions;
using Bit.Core.Models.Business;
using Bit.Core.Models.Data;
using Bit.Core.Models.Data.Organizations;
using Bit.Core.Models.Data.Organizations.OrganizationUsers;
using Bit.Core.OrganizationFeatures.OrganizationUsers.Interfaces;
using Bit.Core.Repositories;
using Bit.Core.Services;
using Bit.Core.Utilities;
using Bit.Test.Common.AutoFixture;
using Bit.Test.Common.AutoFixture.Attributes;
using Microsoft.AspNetCore.Authorization;
using NSubstitute;
using Xunit;

namespace Bit.Api.Test.AdminConsole.Controllers;

[ControllerCustomize(typeof(OrganizationUsersController))]
[SutProviderCustomize]
public class OrganizationUsersControllerTests
{
    [Theory]
    [BitAutoData]
    public async Task PutResetPasswordEnrollment_InivitedUser_AcceptsInvite(Guid orgId, Guid userId, OrganizationUserResetPasswordEnrollmentRequestModel model,
        User user, OrganizationUser orgUser, SutProvider<OrganizationUsersController> sutProvider)
    {
        orgUser.Status = Core.Enums.OrganizationUserStatusType.Invited;
        sutProvider.GetDependency<IUserService>().GetUserByPrincipalAsync(default).ReturnsForAnyArgs(user);
        sutProvider.GetDependency<IUserService>().VerifySecretAsync(default, default).ReturnsForAnyArgs(true);
        sutProvider.GetDependency<IOrganizationUserRepository>().GetByOrganizationAsync(default, default).ReturnsForAnyArgs(orgUser);

        await sutProvider.Sut.PutResetPasswordEnrollment(orgId, userId, model);

        await sutProvider.GetDependency<IAcceptOrgUserCommand>().Received(1).AcceptOrgUserByOrgIdAsync(orgId, user, sutProvider.GetDependency<IUserService>());
    }

    [Theory]
    [BitAutoData]
    public async Task PutResetPasswordEnrollment_ConfirmedUser_AcceptsInvite(Guid orgId, Guid userId, OrganizationUserResetPasswordEnrollmentRequestModel model,
        User user, OrganizationUser orgUser, SutProvider<OrganizationUsersController> sutProvider)
    {
        orgUser.Status = Core.Enums.OrganizationUserStatusType.Confirmed;
        sutProvider.GetDependency<IUserService>().GetUserByPrincipalAsync(default).ReturnsForAnyArgs(user);
        sutProvider.GetDependency<IUserService>().VerifySecretAsync(default, default).ReturnsForAnyArgs(true);
        sutProvider.GetDependency<IOrganizationUserRepository>().GetByOrganizationAsync(default, default).ReturnsForAnyArgs(orgUser);

        await sutProvider.Sut.PutResetPasswordEnrollment(orgId, userId, model);

        await sutProvider.GetDependency<IAcceptOrgUserCommand>().Received(0).AcceptOrgUserByOrgIdAsync(orgId, user, sutProvider.GetDependency<IUserService>());
    }

    [Theory]
    [BitAutoData]
    public async Task PutResetPasswordEnrollment_PasswordValidationFails_Throws(Guid orgId, Guid userId, OrganizationUserResetPasswordEnrollmentRequestModel model,
        User user, SutProvider<OrganizationUsersController> sutProvider, OrganizationUser orgUser)
    {
        orgUser.Status = OrganizationUserStatusType.Confirmed;
        model.MasterPasswordHash = "NotThePassword";
        sutProvider.GetDependency<IUserService>().GetUserByPrincipalAsync(default).ReturnsForAnyArgs(user);
        sutProvider.GetDependency<ISsoConfigRepository>().GetByOrganizationIdAsync(default).ReturnsForAnyArgs((SsoConfig)null);
        await Assert.ThrowsAsync<BadRequestException>(async () => await sutProvider.Sut.PutResetPasswordEnrollment(orgId, userId, model));
    }

    [Theory]
    [BitAutoData]
    public async Task PutResetPasswordEnrollment_PasswordValidationPasses_Continues(Guid orgId, Guid userId, OrganizationUserResetPasswordEnrollmentRequestModel model,
        User user, OrganizationUser orgUser, SutProvider<OrganizationUsersController> sutProvider)
    {
        sutProvider.GetDependency<IUserService>().GetUserByPrincipalAsync(default).ReturnsForAnyArgs(user);
        sutProvider.GetDependency<IUserService>().VerifySecretAsync(user, model.MasterPasswordHash).Returns(true);
        sutProvider.GetDependency<ISsoConfigRepository>().GetByOrganizationIdAsync(default).ReturnsForAnyArgs((SsoConfig)null);
        sutProvider.GetDependency<IOrganizationUserRepository>().GetByOrganizationAsync(default, default).ReturnsForAnyArgs(orgUser);
        await sutProvider.Sut.PutResetPasswordEnrollment(orgId, userId, model);
        await sutProvider.GetDependency<IOrganizationService>().Received(1).UpdateUserResetPasswordEnrollmentAsync(
            orgId,
            userId,
            model.ResetPasswordKey,
            user.Id
        );
    }

    [Theory]
    [BitAutoData]
    public async Task Accept_RequiresKnownUser(Guid orgId, Guid orgUserId, OrganizationUserAcceptRequestModel model,
        SutProvider<OrganizationUsersController> sutProvider)
    {
        sutProvider.GetDependency<IUserService>().GetUserByPrincipalAsync(default).ReturnsForAnyArgs((User)null);

        await Assert.ThrowsAsync<UnauthorizedAccessException>(() => sutProvider.Sut.Accept(orgId, orgUserId, model));
    }

    [Theory]
    [BitAutoData]
    public async Task Accept_NoMasterPasswordReset(Guid orgId, Guid orgUserId,
        OrganizationUserAcceptRequestModel model, User user, SutProvider<OrganizationUsersController> sutProvider)
    {
        sutProvider.GetDependency<IUserService>().GetUserByPrincipalAsync(default).ReturnsForAnyArgs(user);

        await sutProvider.Sut.Accept(orgId, orgUserId, model);

        await sutProvider.GetDependency<IAcceptOrgUserCommand>().Received(1)
            .AcceptOrgUserByEmailTokenAsync(orgUserId, user, model.Token, sutProvider.GetDependency<IUserService>());
        await sutProvider.GetDependency<IOrganizationService>().DidNotReceiveWithAnyArgs()
            .UpdateUserResetPasswordEnrollmentAsync(default, default, default, default);
    }

    [Theory]
    [BitAutoData]
    public async Task Accept_RequireMasterPasswordReset(Guid orgId, Guid orgUserId,
        OrganizationUserAcceptRequestModel model, User user, SutProvider<OrganizationUsersController> sutProvider)
    {
        var policy = new Policy
        {
            Enabled = true,
            Data = CoreHelpers.ClassToJsonData(new ResetPasswordDataModel { AutoEnrollEnabled = true, }),
        };
        sutProvider.GetDependency<IUserService>().GetUserByPrincipalAsync(default).ReturnsForAnyArgs(user);
        sutProvider.GetDependency<IPolicyRepository>().GetByOrganizationIdTypeAsync(orgId,
            PolicyType.ResetPassword).Returns(policy);

        await sutProvider.Sut.Accept(orgId, orgUserId, model);

        await sutProvider.GetDependency<IAcceptOrgUserCommand>().Received(1)
            .AcceptOrgUserByEmailTokenAsync(orgUserId, user, model.Token, sutProvider.GetDependency<IUserService>());
        await sutProvider.GetDependency<IOrganizationService>().Received(1)
            .UpdateUserResetPasswordEnrollmentAsync(orgId, user.Id, model.ResetPasswordKey, user.Id);
    }

    [Theory]
    [BitAutoData]
    public async Task Invite_Success(OrganizationAbility organizationAbility, OrganizationUserInviteRequestModel model,
        Guid userId, SutProvider<OrganizationUsersController> sutProvider)
    {
        sutProvider.GetDependency<ICurrentContext>().ManageUsers(organizationAbility.Id).Returns(true);
        sutProvider.GetDependency<IApplicationCacheService>().GetOrganizationAbilityAsync(organizationAbility.Id)
            .Returns(organizationAbility);
        sutProvider.GetDependency<IAuthorizationService>()
            .AuthorizeAsync(Arg.Any<ClaimsPrincipal>(),
                Arg.Any<IEnumerable<Collection>>(),
                Arg.Is<IEnumerable<IAuthorizationRequirement>>(reqs => reqs.Contains(BulkCollectionOperations.ModifyUserAccess)))
            .Returns(AuthorizationResult.Success());
        sutProvider.GetDependency<IUserService>().GetProperUserId(Arg.Any<ClaimsPrincipal>()).Returns(userId);

        await sutProvider.Sut.Invite(organizationAbility.Id, model);

        await sutProvider.GetDependency<IOrganizationService>().Received(1).InviteUsersAsync(organizationAbility.Id,
            userId, systemUser: null, Arg.Is<IEnumerable<(OrganizationUserInvite, string)>>(invites =>
                invites.Count() == 1 &&
                invites.First().Item1.Emails.SequenceEqual(model.Emails) &&
                invites.First().Item1.Type == model.Type &&
                invites.First().Item1.AccessSecretsManager == model.AccessSecretsManager));
    }

    [Theory]
    [BitAutoData]
    public async Task Invite_NotAuthorizedToGiveAccessToCollections_Throws(OrganizationAbility organizationAbility, OrganizationUserInviteRequestModel model,
        Guid userId, SutProvider<OrganizationUsersController> sutProvider)
    {
        sutProvider.GetDependency<IFeatureService>().IsEnabled(FeatureFlagKeys.FlexibleCollectionsV1).Returns(true);
        sutProvider.GetDependency<ICurrentContext>().ManageUsers(organizationAbility.Id).Returns(true);
        sutProvider.GetDependency<IApplicationCacheService>().GetOrganizationAbilityAsync(organizationAbility.Id)
            .Returns(organizationAbility);
        sutProvider.GetDependency<IAuthorizationService>()
            .AuthorizeAsync(Arg.Any<ClaimsPrincipal>(),
                Arg.Any<IEnumerable<Collection>>(),
                Arg.Is<IEnumerable<IAuthorizationRequirement>>(reqs => reqs.Contains(BulkCollectionOperations.ModifyUserAccess)))
            .Returns(AuthorizationResult.Failed());
        sutProvider.GetDependency<IUserService>().GetProperUserId(Arg.Any<ClaimsPrincipal>()).Returns(userId);

        await Assert.ThrowsAsync<NotFoundException>(() => sutProvider.Sut.Invite(organizationAbility.Id, model));
    }

    [Theory]
    [BitAutoData]
    public async Task Get_ReturnsUsers(
        ICollection<OrganizationUserUserDetails> organizationUsers, OrganizationAbility organizationAbility,
        SutProvider<OrganizationUsersController> sutProvider)
    {
        Get_Setup(organizationAbility, organizationUsers, sutProvider);
        var response = await sutProvider.Sut.Get(organizationAbility.Id);

        Assert.True(response.Data.All(r => organizationUsers.Any(ou => ou.Id == r.Id)));
    }

    [Theory]
    [BitAutoData]
    public async Task Get_HandlesNullPermissionsObject(
        ICollection<OrganizationUserUserDetails> organizationUsers, OrganizationAbility organizationAbility,
        SutProvider<OrganizationUsersController> sutProvider)
    {
        Get_Setup(organizationAbility, organizationUsers, sutProvider);
        organizationUsers.First().Permissions = "null";
        var response = await sutProvider.Sut.Get(organizationAbility.Id);

        Assert.True(response.Data.All(r => organizationUsers.Any(ou => ou.Id == r.Id)));
    }

    [Theory]
    [BitAutoData]
    public async Task Get_SetsDeprecatedCustomPermissionstoFalse(
        ICollection<OrganizationUserUserDetails> organizationUsers, OrganizationAbility organizationAbility,
        SutProvider<OrganizationUsersController> sutProvider)
    {
        Get_Setup(organizationAbility, organizationUsers, sutProvider);

        var customUser = organizationUsers.First();
        customUser.Type = OrganizationUserType.Custom;
        customUser.Permissions = CoreHelpers.ClassToJsonData(new Permissions
        {
            AccessReports = true,
            EditAssignedCollections = true,
            DeleteAssignedCollections = true,
            AccessEventLogs = true
        });

        var response = await sutProvider.Sut.Get(organizationAbility.Id);

        var customUserResponse = response.Data.First(r => r.Id == organizationUsers.First().Id);
        Assert.Equal(OrganizationUserType.Custom, customUserResponse.Type);
        Assert.True(customUserResponse.Permissions.AccessReports);
        Assert.True(customUserResponse.Permissions.AccessEventLogs);
        Assert.False(customUserResponse.Permissions.EditAssignedCollections);
        Assert.False(customUserResponse.Permissions.DeleteAssignedCollections);
    }

    [Theory]
    [BitAutoData]
    public async Task Get_DowngradesCustomUsersWithDeprecatedPermissions(
        ICollection<OrganizationUserUserDetails> organizationUsers, OrganizationAbility organizationAbility,
        SutProvider<OrganizationUsersController> sutProvider)
    {
        Get_Setup(organizationAbility, organizationUsers, sutProvider);

        var customUser = organizationUsers.First();
        customUser.Type = OrganizationUserType.Custom;
        customUser.Permissions = CoreHelpers.ClassToJsonData(new Permissions
        {
            EditAssignedCollections = true,
            DeleteAssignedCollections = true,
        });

        var response = await sutProvider.Sut.Get(organizationAbility.Id);

        var customUserResponse = response.Data.First(r => r.Id == organizationUsers.First().Id);
        Assert.Equal(OrganizationUserType.User, customUserResponse.Type);
        Assert.False(customUserResponse.Permissions.EditAssignedCollections);
        Assert.False(customUserResponse.Permissions.DeleteAssignedCollections);
    }

    [Theory]
    [BitAutoData]
    public async Task GetAccountRecoveryDetails_ReturnsDetails(
        Guid organizationId,
        OrganizationUserBulkRequestModel bulkRequestModel,
        ICollection<OrganizationUserResetPasswordDetails> resetPasswordDetails,
        SutProvider<OrganizationUsersController> sutProvider)
    {
        sutProvider.GetDependency<ICurrentContext>().ManageResetPassword(organizationId).Returns(true);
        sutProvider.GetDependency<IOrganizationUserRepository>()
            .GetManyAccountRecoveryDetailsByOrganizationUserAsync(organizationId, bulkRequestModel.Ids)
            .Returns(resetPasswordDetails);

        var response = await sutProvider.Sut.GetAccountRecoveryDetails(organizationId, bulkRequestModel);

        Assert.Equal(resetPasswordDetails.Count, response.Data.Count());
        Assert.True(response.Data.All(r =>
            resetPasswordDetails.Any(ou =>
                ou.OrganizationUserId == r.OrganizationUserId &&
                ou.Kdf == r.Kdf &&
                ou.KdfIterations == r.KdfIterations &&
                ou.KdfMemory == r.KdfMemory &&
                ou.KdfParallelism == r.KdfParallelism &&
                ou.ResetPasswordKey == r.ResetPasswordKey &&
                ou.EncryptedPrivateKey == r.EncryptedPrivateKey)));
    }

    [Theory]
    [BitAutoData]
    public async Task GetAccountRecoveryDetails_WithoutManageResetPasswordPermission_Throws(
        Guid organizationId,
        OrganizationUserBulkRequestModel bulkRequestModel,
        SutProvider<OrganizationUsersController> sutProvider)
    {
        sutProvider.GetDependency<ICurrentContext>().ManageResetPassword(organizationId).Returns(false);

        await Assert.ThrowsAsync<NotFoundException>(async () => await sutProvider.Sut.GetAccountRecoveryDetails(organizationId, bulkRequestModel));
    }

    private void Get_Setup(OrganizationAbility organizationAbility,
        ICollection<OrganizationUserUserDetails> organizationUsers,
        SutProvider<OrganizationUsersController> sutProvider)
    {
        foreach (var orgUser in organizationUsers)
        {
            orgUser.Permissions = null;
        }
        sutProvider.GetDependency<IApplicationCacheService>().GetOrganizationAbilityAsync(organizationAbility.Id)
            .Returns(organizationAbility);

        sutProvider.GetDependency<IAuthorizationService>().AuthorizeAsync(
            user: Arg.Any<ClaimsPrincipal>(),
            resource: Arg.Any<Object>(),
            requirements: Arg.Any<IEnumerable<IAuthorizationRequirement>>())
            .Returns(AuthorizationResult.Success());

        sutProvider.GetDependency<IOrganizationUserRepository>()
            .GetManyDetailsByOrganizationAsync(organizationAbility.Id, Arg.Any<bool>(), Arg.Any<bool>())
            .Returns(organizationUsers);
    }
}