IF OBJECT_ID(N'[dbo].[Hr_T_LeaveRequest]', 'U') IS NULL
BEGIN
    CREATE TABLE [dbo].[Hr_T_LeaveRequest]
    (
        [Id] uniqueidentifier NOT NULL DEFAULT NEWID(),
        [TenantId] uniqueidentifier NULL,
        [RequestNo] nvarchar(32) NULL,
        [EmployeeId] uniqueidentifier NOT NULL,
        [EmployeeName] nvarchar(256) NULL,
        [DepartmentId] uniqueidentifier NULL,
        [JobPositionId] uniqueidentifier NULL,
        [LeaveTypeId] uniqueidentifier NOT NULL,
        [StartDate] datetime2 NOT NULL,
        [EndDate] datetime2 NOT NULL,
        [IsHalfDay] bit NOT NULL DEFAULT 0,
        [HalfDayPart] nvarchar(16) NULL,
        [Days] decimal(5, 1) NOT NULL DEFAULT 0,
        [Description] nvarchar(1024) NULL,
        [DocumentFileName] nvarchar(256) NULL,
        [DocumentContent] nvarchar(MAX) NULL,
        [BalanceWarning] nvarchar(512) NULL,
        [SickLeaveId] uniqueidentifier NULL,
        [ManagerIds] nvarchar(1024) NULL,
        [ManagerUserNames] nvarchar(1024) NULL,
        [RequiresManagerApproval] int NOT NULL DEFAULT 1,
        [ApprovalStatus] nvarchar(50) NULL,
        [ApprovalUser] nvarchar(1024) NULL,
        [ApprovalDate] datetime2 NULL,
        [ApprovalDescription] nvarchar(512) NULL,
        [LastNotifiedStatus] nvarchar(50) NULL,
        [IsActive] bit NOT NULL DEFAULT 1,
        [CreationTime] datetime2 NOT NULL DEFAULT GETUTCDATE(),
        [CreatorId] uniqueidentifier NULL,
        [LastModificationTime] datetime2 NULL,
        [LastModifierId] uniqueidentifier NULL,
        [IsDeleted] bit NOT NULL DEFAULT 0,
        [DeletionTime] datetime2 NULL,
        [DeleterId] uniqueidentifier NULL,
        CONSTRAINT [PK_Hr_T_LeaveRequest] PRIMARY KEY NONCLUSTERED
    (
        [Id] ASC
    )WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON, OPTIMIZE_FOR_SEQUENTIAL_KEY = OFF) ON [PRIMARY]
    ) ON [PRIMARY]
END
GO

IF OBJECT_ID(N'[dbo].[CK_Hr_T_LeaveRequest_Dates]', 'C') IS NULL
    ALTER TABLE [dbo].[Hr_T_LeaveRequest] ADD CONSTRAINT [CK_Hr_T_LeaveRequest_Dates] CHECK ([EndDate] >= [StartDate])
GO

IF OBJECT_ID(N'[dbo].[CK_Hr_T_LeaveRequest_HalfDayPart]', 'C') IS NULL
    ALTER TABLE [dbo].[Hr_T_LeaveRequest] ADD CONSTRAINT [CK_Hr_T_LeaveRequest_HalfDayPart] CHECK ([HalfDayPart] IS NULL OR [HalfDayPart] IN ('Morning', 'Afternoon'))
GO

IF NOT EXISTS (SELECT 1 FROM sys.indexes WHERE name = N'IX_Hr_T_LeaveRequest_Employee' AND object_id = OBJECT_ID(N'[dbo].[Hr_T_LeaveRequest]'))
    CREATE NONCLUSTERED INDEX [IX_Hr_T_LeaveRequest_Employee] ON [dbo].[Hr_T_LeaveRequest] ([TenantId], [EmployeeId], [StartDate]) WHERE [IsDeleted] = 0
GO

IF NOT EXISTS (SELECT 1 FROM sys.indexes WHERE name = N'IX_Hr_T_LeaveRequest_SickLeave' AND object_id = OBJECT_ID(N'[dbo].[Hr_T_LeaveRequest]'))
    CREATE NONCLUSTERED INDEX [IX_Hr_T_LeaveRequest_SickLeave] ON [dbo].[Hr_T_LeaveRequest] ([SickLeaveId]) WHERE [SickLeaveId] IS NOT NULL
GO