CREATE OR REPLACE PROCEDURE public."Prc_P_PurchaseRfqRecalc"(p_id uuid)
LANGUAGE plpgsql AS $$
BEGIN
  -- TenderLineId alternatiflere kopyalanır; ihaledeki aynı kalemi kıyasta birleştiren anahtardır.
  UPDATE "Prc_T_PurchaseRfqLine" SET "Amount" = ROUND(ROUND("Quantity" * "UnitPrice", 2) * (1 + "TaxRate" / 100), 2), "TenderLineId" = COALESCE("TenderLineId", "Id")
   WHERE "PurchaseRfqId" = p_id AND "IsDeleted" = false;

  UPDATE "Prc_T_PurchaseRfq" r SET
         "UntaxedAmount" = COALESCE((SELECT SUM(ROUND(l."Quantity" * l."UnitPrice", 2)) FROM "Prc_T_PurchaseRfqLine" l WHERE l."PurchaseRfqId" = p_id AND l."IsDeleted" = false), 0),
         "TaxAmount" = COALESCE((SELECT SUM(l."Amount" - ROUND(l."Quantity" * l."UnitPrice", 2)) FROM "Prc_T_PurchaseRfqLine" l WHERE l."PurchaseRfqId" = p_id AND l."IsDeleted" = false), 0),
         "SourceDocument" = (SELECT string_agg(DISTINCT m."RequestNo", ', ')
                               FROM "Prc_T_PurchaseRfqLine" l
                               INNER JOIN "Prc_T_MaterialRequestItem" i ON i."Id" = l."MaterialRequestItemId"
                               INNER JOIN "Prc_T_MaterialRequest" m ON m."Id" = i."MaterialRequestId"
                              WHERE l."PurchaseRfqId" = p_id AND l."IsDeleted" = false)
   WHERE r."Id" = p_id;

  UPDATE "Prc_T_PurchaseRfq" SET "TotalAmount" = "UntaxedAmount" + "TaxAmount" WHERE "Id" = p_id;
  CALL public."Prc_P_MaterialRequestSyncStatus"(p_id);
END;
$$;