CREATE OR ALTER PROCEDURE [dbo].[Prc_P_MaterialRequestAfterSave]
    @Id uniqueidentifier,
    @UserId uniqueidentifier = NULL
AS
BEGIN
    SET NOCOUNT ON;
    IF @Id IS NULL RETURN;

    -- Satır planlanan miktarı boşsa talep miktarıyla doldur
    UPDATE l SET PlannedQuantity = l.Quantity
    FROM Prc_T_MaterialRequestItem l
    WHERE l.MaterialRequestId = @Id AND l.IsDeleted = 0 AND l.PlannedQuantity IS NULL;

    -- Onaycılar (Adm_T_Approver): departman onayı = Purchase + talebin departmanı, satınalma onayı = PurchaseDesk
    UPDATE r SET
        DeptApproverUserNames = (
            SELECT STRING_AGG(u.UserName, '|')
            FROM Adm_T_Approver a
            INNER JOIN AbpUsers u ON u.Id = a.ApproverUserId AND u.IsDeleted = 0
            WHERE a.IsDeleted = 0 AND a.IsActive = 1 AND a.ApprovalArea = 'Purchase'
              AND a.DepartmentId = r.DepartmentId
              AND ((a.TenantId IS NULL AND r.TenantId IS NULL) OR a.TenantId = r.TenantId)),
        PurchaseApproverUserNames = (
            SELECT STRING_AGG(u.UserName, '|')
            FROM Adm_T_Approver a
            INNER JOIN AbpUsers u ON u.Id = a.ApproverUserId AND u.IsDeleted = 0
            WHERE a.IsDeleted = 0 AND a.IsActive = 1 AND a.ApprovalArea = 'PurchaseDesk'
              AND ((a.TenantId IS NULL AND r.TenantId IS NULL) OR a.TenantId = r.TenantId))
    FROM Prc_T_MaterialRequest r
    WHERE r.Id = @Id;

    -- Satınalma kararı: departman adımı daha önce kaydedilmişse
    UPDATE r SET
        PurchaseApprovedBy = COALESCE(@UserId, r.LastModifierId),
        PurchaseApprovalDate = COALESCE(r.ApprovalDate, GETDATE()),
        PurchaseApprovalNote = r.ApprovalNote
    FROM Prc_T_MaterialRequest r
    WHERE r.Id = @Id AND r.PurchaseApprovedBy IS NULL AND r.DeptApprovedBy IS NOT NULL
      AND r.ApprovalStatus IN (N'Onaylandı', N'Reddedildi');

    -- Departman kararı (onaylanıp satınalmaya geçti ya da departmanda reddedildi)
    UPDATE r SET
        DeptApprovedBy = COALESCE(@UserId, r.LastModifierId),
        DeptApprovalDate = COALESCE(r.ApprovalDate, GETDATE()),
        DeptApprovalNote = r.ApprovalNote
    FROM Prc_T_MaterialRequest r
    WHERE r.Id = @Id AND r.DeptApprovedBy IS NULL
      AND r.ApprovalStatus IN (N'Satınalma Onayı', N'Onaylandı', N'Reddedildi');

    -- Durum: onay akışından ve satır durumlarından türetilir
    UPDATE r SET Status =
        CASE
            WHEN r.ApprovalStatus = N'Departman Onayı' THEN 'DeptApproval'
            WHEN r.ApprovalStatus = N'Satınalma Onayı' THEN 'PurchaseApproval'
            WHEN r.ApprovalStatus = N'Reddedildi' THEN 'Rejected'
            WHEN r.ApprovalStatus = N'Onaylandı' THEN
                CASE
                    WHEN s.Total > 0 AND s.Closed = s.Total THEN 'Done'
                    WHEN s.Closed > 0 THEN 'PartiallyDone'
                    WHEN s.Planned > 0 THEN 'InProgress'
                    ELSE 'Approved'
                END
            ELSE 'Draft'
        END
    FROM Prc_T_MaterialRequest r
    CROSS APPLY (
        SELECT COUNT(*) AS Total,
               ISNULL(SUM(CASE WHEN l.LineStatus IN ('Done', 'Cancelled') THEN 1 ELSE 0 END), 0) AS Closed,
               ISNULL(SUM(CASE WHEN l.LineStatus IN ('Planned', 'Done') THEN 1 ELSE 0 END), 0) AS Planned
        FROM Prc_T_MaterialRequestItem l
        WHERE l.MaterialRequestId = r.Id AND l.IsDeleted = 0
    ) s
    WHERE r.Id = @Id;
END
GO