using Centron.BusinessLogic.EmployeeArea;
using Centron.DAO;
using Centron.DAO.Mappings;
using Centron.DAO.Mappings.Administration;
using Centron.DAO.Mappings.Administration.Company;
using Centron.DAO.Mappings.Administration.Employees;
using Centron.DAO.Mappings.CustomerArea.Support;
using Centron.DAO.Mappings.States;
using Centron.DAO.Mappings.TemporaryEntities;
using Centron.DAO.TemporaryEntities;
using Centron.Data.Entities.Administration;
using Centron.Data.Entities.EmployeeArea;
using Centron.Interfaces.Administration.Settings;
using Centron.Tests.BL.SetupUtils;
using FluentNHibernate.Cfg;
using FluentNHibernate.Cfg.Db;
using NHibernate;
using NHibernate.Tool.hbm2ddl;

namespace Centron.Tests.BL.EmployeeArea
{
    public class AppUserBLTest
    {
        [Fact]
        public void GetActiveAppUsers_ReturnsOnlyActiveEmployees()
        {
            // Arrange
            var session = CreateSession();
            // Create employees
            var activeEmployee = new EmployeeCompact { I3D = 1, IsActive = true };
            var inactiveEmployee = new EmployeeCompact { I3D = 2, IsActive = false };

            // Create AppUsers
            var activeAppUser = new AppUser
            {
                I3D = 1,
                Name = "activeUser",
                IsAccountDisabled = false,
                AccountDisabledFromDate = null,
                AccountDisabledToDate = null,
                Employee = activeEmployee
            };
            var inactiveAppUser = new AppUser
            {
                I3D = 2,
                Name = "inactiveUser",
                IsAccountDisabled = false,
                AccountDisabledFromDate = null,
                AccountDisabledToDate = null,
                Employee = inactiveEmployee
            };
            // Add both to session
            session.Save(activeEmployee);
            session.Save(inactiveEmployee);
            session.Save(activeAppUser);
            session.Save(inactiveAppUser);
            session.Flush();

            var licenseManager = MockSetupUtils.PrepareLicenseManagerMock();
            var daoSession = new DAOSession(session);
            var bl = new AppUserBL(daoSession, licenseManager);

            // Act
            var result = bl.GetActiveAppUsers();

            // Assert
            Assert.Single(result);
            Assert.Equal("activeUser", result[0].Name);
        }

        [Fact]
        public void GetActiveAppUsers_ReturnsEmpty_WhenNoUsersExist()
        {
            // Arrange
            var session = CreateSession();
            var licenseManager = MockSetupUtils.PrepareLicenseManagerMock();
            var daoSession = new DAOSession(session);
            var bl = new AppUserBL(daoSession, licenseManager);

            // Act
            var result = bl.GetActiveAppUsers();

            // Assert
            Assert.Empty(result);
        }

        [Fact]
        public void GetActiveAppUsers_ReturnsEmpty_WhenAllUsersInactive()
        {
            // Arrange
            var session = CreateSession();
            var inactiveEmployee = new EmployeeCompact { I3D = 1, IsActive = false };
            var appUser = new AppUser
            {
                I3D = 1,
                Name = "inactiveUser",
                IsAccountDisabled = false,
                Employee = inactiveEmployee
            };
            session.Save(inactiveEmployee);
            session.Save(appUser);
            session.Flush();

            var licenseManager = MockSetupUtils.PrepareLicenseManagerMock();
            var daoSession = new DAOSession(session);
            var bl = new AppUserBL(daoSession, licenseManager);

            // Act
            var result = bl.GetActiveAppUsers();

            // Assert
            Assert.Empty(result);
        }

        [Fact]
        public void GetActiveAppUsers_ReturnsEmpty_WhenAllAccountsDisabled()
        {
            // Arrange
            var session = CreateSession();
            var employee = new EmployeeCompact { I3D = 1, IsActive = true };
            var appUser = new AppUser
            {
                I3D = 1,
                Name = "disabledUser",
                IsAccountDisabled = true,
                Employee = employee
            };
            session.Save(employee);
            session.Save(appUser);
            session.Flush();

            var licenseManager = MockSetupUtils.PrepareLicenseManagerMock();
            var daoSession = new DAOSession(session);
            var bl = new AppUserBL(daoSession, licenseManager);

            // Act
            var result = bl.GetActiveAppUsers();

            // Assert
            Assert.Empty(result);
        }

        [Fact]
        public void GetActiveAppUsers_ReturnsEmpty_WhenAccountDisabledByDateRange()
        {
            // Arrange
            var session = CreateSession();
            var employee = new EmployeeCompact { I3D = 1, IsActive = true };
            var now = DateTime.UtcNow;
            var appUser = new AppUser
            {
                I3D = 1,
                Name = "dateDisabledUser",
                IsAccountDisabled = false,
                AccountDisabledFromDate = now.AddDays(-1),
                AccountDisabledToDate = now.AddDays(1),
                Employee = employee
            };
            session.Save(employee);
            session.Save(appUser);
            session.Flush();

            var licenseManager = MockSetupUtils.PrepareLicenseManagerMock();
            var daoSession = new DAOSession(session);
            var bl = new AppUserBL(daoSession, licenseManager);

            // Act
            var result = bl.GetActiveAppUsers();

            // Assert
            Assert.Empty(result);
        }

        [Fact]
        public void GetActiveAppUsers_ReturnsUser_WhenAccountDisabledDateRangeIsInPast()
        {
            // Arrange
            var session = CreateSession();
            var employee = new EmployeeCompact { I3D = 1, IsActive = true };
            var now = DateTime.UtcNow;
            var appUser = new AppUser
            {
                I3D = 1,
                Name = "pastDisabledUser",
                IsAccountDisabled = false,
                AccountDisabledFromDate = now.AddDays(-10),
                AccountDisabledToDate = now.AddDays(-5),
                Employee = employee
            };
            session.Save(employee);
            session.Save(appUser);
            session.Flush();

            var licenseManager = MockSetupUtils.PrepareLicenseManagerMock();
            var daoSession = new DAOSession(session);
            var bl = new AppUserBL(daoSession, licenseManager);

            // Act
            var result = bl.GetActiveAppUsers();

            // Assert
            Assert.Single(result);
            Assert.Equal("pastDisabledUser", result[0].Name);
        }

        [Fact]
        public void GetActiveAppUsers_ReturnsOnlyActiveAndEnabledUsers()
        {
            // Arrange
            var session = CreateSession();
            var activeEmployee = new EmployeeCompact { I3D = 1, IsActive = true };
            var inactiveEmployee = new EmployeeCompact { I3D = 2, IsActive = false };
            var appUser1 = new AppUser
            {
                I3D = 1,
                Name = "activeUser",
                IsAccountDisabled = false,
                Employee = activeEmployee
            };
            var appUser2 = new AppUser
            {
                I3D = 2,
                Name = "inactiveEmployeeUser",
                IsAccountDisabled = false,
                Employee = inactiveEmployee
            };
            var appUser3 = new AppUser
            {
                I3D = 3,
                Name = "disabledAccountUser",
                IsAccountDisabled = true,
                Employee = activeEmployee
            };
            session.Save(activeEmployee);
            session.Save(inactiveEmployee);
            session.Save(appUser1);
            session.Save(appUser2);
            session.Save(appUser3);
            session.Flush();

            var licenseManager = MockSetupUtils.PrepareLicenseManagerMock();
            var daoSession = new DAOSession(session);
            var bl = new AppUserBL(daoSession, licenseManager);

            // Act
            var result = bl.GetActiveAppUsers();

            // Assert
            Assert.Single(result);
            Assert.Equal("activeUser", result[0].Name);
        }

        [Fact]
        public void GetActiveAppUsers_ReturnsMultipleActiveUsers()
        {
            // Arrange
            var session = CreateSession();
            var emp1 = new EmployeeCompact { I3D = 1, IsActive = true };
            var emp2 = new EmployeeCompact { I3D = 2, IsActive = true };
            var appUser1 = new AppUser
            {
                I3D = 1,
                Name = "user1",
                IsAccountDisabled = false,
                Employee = emp1
            };
            var appUser2 = new AppUser
            {
                I3D = 2,
                Name = "user2",
                IsAccountDisabled = false,
                Employee = emp2
            };
            session.Save(emp1);
            session.Save(emp2);
            session.Save(appUser1);
            session.Save(appUser2);
            session.Flush();

            var licenseManager = MockSetupUtils.PrepareLicenseManagerMock();
            var daoSession = new DAOSession(session);
            var bl = new AppUserBL(daoSession, licenseManager);

            // Act
            var result = bl.GetActiveAppUsers();

            // Assert
            Assert.Equal(2, result.Count);
            Assert.Contains(result, u => u.Name == "user1");
            Assert.Contains(result, u => u.Name == "user2");
        }

        [Fact]
        public void GetAppUserForWebaccounts_ReturnsAppUser_WhenCentronSystemUserIsConfigured()
        {
            // Arrange
            var session = CreateSession();
            var employee = new EmployeeCompact { I3D = 1, IsActive = true };
            var appUser = new AppUser
            {
                Name = "centronSystemUser",
                IsAccountDisabled = false,
                Employee = employee
            };

            session.Save(employee);
            var appUserI3D = (int)session.Save(appUser);
            session.Flush();

            var applicationSetting = new ApplicationSetting
            {
                I3D = (int)ApplicationSettingID.CentronSystemUser,
                ValueInt = appUserI3D,
                Description = "Centron System User"
            };

            session.Save(applicationSetting);
            session.Flush();

            var licenseManager = MockSetupUtils.PrepareLicenseManagerMock();
            var daoSession = new DAOSession(session);
            var bl = new AppUserBL(daoSession, licenseManager);

            // Act
            var result = bl.GetAppUserForWebaccounts();

            // Assert
            Assert.True(result.IsSuccess, $"Expected success but got: {result.Message}");
            Assert.NotNull(result.Data);
            Assert.Equal("centronSystemUser", result.Data.Name);
            Assert.Equal(appUserI3D, result.Data.I3D);
        }

        [Fact]
        public void GetAppUserForWebaccounts_ReturnsError_WhenCentronSystemUserNotConfigured()
        {
            // Arrange
            var session = CreateSession();
            var licenseManager = MockSetupUtils.PrepareLicenseManagerMock();
            var daoSession = new DAOSession(session);
            var bl = new AppUserBL(daoSession, licenseManager);

            // Act
            var result = bl.GetAppUserForWebaccounts();

            // Assert
            Assert.False(result.IsSuccess);
            Assert.Equal("Es ist kein CentronSystemUser hinterlegt.", result.Message);
        }

        [Fact]
        public void GetAppUserForWebaccounts_ReturnsError_WhenCentronSystemUserNotFound()
        {
            // Arrange
            var session = CreateSession();
            var applicationSetting = new ApplicationSetting
            {
                I3D = (int)ApplicationSettingID.CentronSystemUser,
                ValueInt = 999, // Non-existent AppUser ID
                Description = "Centron System User"
            };

            session.Save(applicationSetting);
            session.Flush();

            var licenseManager = MockSetupUtils.PrepareLicenseManagerMock();
            var daoSession = new DAOSession(session);
            var bl = new AppUserBL(daoSession, licenseManager);

            // Act
            var result = bl.GetAppUserForWebaccounts();

            // Assert
            Assert.False(result.IsSuccess);
            Assert.Equal("CentronSystemUser nicht gefunden!", result.Message);
        }

        // Helper: create in-memory NHibernate session
        private ISession CreateSession()
        {
            var fluentConfiguration = Fluently.Configure()
           .Database(SQLiteConfiguration.Standard.InMemory)
           .Mappings(m => m.FluentMappings.Add<AppUserMaps>())
           .Mappings(m => m.FluentMappings.Add<EmployeeCompactMaps>())
           .Mappings(m => m.FluentMappings.Add<MandatorMaps>())
           .Mappings(m => m.FluentMappings.Add<CountryMaps>())
           .Mappings(m => m.FluentMappings.Add<FederalStateMaps>())
           .Mappings(m => m.FluentMappings.Add<SupportLevelMaps>())
           .Mappings(m => m.FluentMappings.Add<AppUserGroupMaps>())
           .Mappings(m => m.FluentMappings.Add<AppRightMaps>())
           .Mappings(m => m.FluentMappings.Add<ApplicationSettingMaps>());
            ISessionFactory sessionFactory = fluentConfiguration.BuildSessionFactory();
            ISession session = sessionFactory.OpenSession();

            new SchemaExport(fluentConfiguration.BuildConfiguration()).Execute(true, true, false, session.Connection, Console.Out);
            return session;
        }
    }
}