handle proforma to base , Tax, amount condition

src/components/purchase/ManagePurchase.jsx

@@ -136,6 +136,8 @@ const ManagePurchase = ({ onClose, purchaseId }) => {
     },
     [purchaseId, generatePatchOps, updatePurchase, CreateInvoice]
   );
+  console.log(formState.errors)
+  console.log(formState.formData)
   return (
     <div className="bs-stepper horizontically mt-2 b-secondry shadow-none border-0">
       {/* --- Steps Header --- */}

src/components/purchase/PurchasePartyDetails.jsx

@@ -202,7 +202,7 @@ const PurchasePartyDetails = () => {
           {...register("proformaInvoiceAmount")}
         />
 
-        {errors?.proformaInvoiceAmountt && (
+        {errors?.proformaInvoiceAmount && (
           <div className="danger-text">
             {errors.proformaInvoiceAmount.message}
           </div>

src/components/purchase/PurchaseSchema.jsx

@@ -24,7 +24,8 @@ export const AttachmentSchema = z.object({
   documentId: z.string().nullable().default(null),
 });
 
-export const PurchaseSchema = z.object({
+export const PurchaseSchema = z
+  .object({
     title: z.string().min(1, { message: "Title is required" }),
     projectId: z.string().min(1, { message: "Project is required" }),
     organizationId: z.string().min(1, { message: "Organization is required" }),
@@ -47,7 +48,6 @@ export const PurchaseSchema = z.object({
     invoiceReferenceNumber: z.string().nullable(),
     acknowledgmentDate: z.coerce.date().nullable(),
     acknowledgmentNumber: z.string().nullable(),
-
     baseAmount: z
       .number()
       .or(z.nan()) // allow NaN
@@ -69,6 +69,78 @@ export const PurchaseSchema = z.object({
     description: z.string(),
     invoiceAttachmentTypeId: z.string().nullable(),
     attachments: z.array(AttachmentSchema),
+  })
+  .superRefine((data, ctx) => {
+    const hasNumber = !!data.proformaInvoiceNumber;
+    const hasAmount =
+      data.proformaInvoiceAmount !== null && data.proformaInvoiceAmount > 0;
+    const hasDate = !!data.proformaInvoiceDate;
+
+    // If any one field is filled → all must be valid
+    const anyField = hasNumber || hasAmount || hasDate;
+
+    if (anyField) {
+      // Number required
+      if (!hasNumber) {
+        ctx.addIssue({
+          code: z.ZodIssueCode.custom,
+          message: "Proforma Invoice Number is required.",
+          path: ["proformaInvoiceNumber"],
+        });
+      }
+
+      // Amount required
+      if (!hasAmount) {
+        ctx.addIssue({
+          code: z.ZodIssueCode.custom,
+          message: "Proforma Amount must be greater than 0.",
+          path: ["proformaInvoiceAmount"],
+        });
+      }
+
+      // Date required
+      if (!hasDate) {
+        ctx.addIssue({
+          code: z.ZodIssueCode.custom,
+          message: "Proforma Invoice Date is required.",
+          path: ["proformaInvoiceDate"],
+        });
+      }
+      return;
+    }
+
+    if (!anyField) {
+      if (data.baseAmount === null || data.baseAmount === 0) {
+        ctx.addIssue({
+          code: z.ZodIssueCode.custom,
+          message: "Base amount is required.",
+          path: ["baseAmount"],
+        });
+      }
+      if (data.taxAmount === null || data.taxAmount === 0) {
+        ctx.addIssue({
+          code: z.ZodIssueCode.custom,
+          message: "Tax amount is required.",
+          path: ["taxAmount"],
+        });
+      }
+
+      if (data.totalAmount === null || data.totalAmount === 0) {
+        ctx.addIssue({
+          code: z.ZodIssueCode.custom,
+          message: "Total amount is required.",
+          path: ["totalAmount"],
+        });
+      }
+
+      if (data.transportCharges === null || data.transportCharges === 0) {
+        ctx.addIssue({
+          code: z.ZodIssueCode.custom,
+          message: "Transport charges are required.",
+          path: ["transportCharges"],
+        });
+      }
+    }
   });
 
 export const defaultPurchaseValue = {