From 9f0fbcf0417436476752d08d570d3ee9d0636ad8 Mon Sep 17 00:00:00 2001
From: ValdiANS <rvdans002@gmail.com>
Date: Tue, 7 Apr 2026 17:24:19 +0700
Subject: [PATCH] fix: make price_per_qty calculation to price per kg and make
 unit_price calculation to price per egg (if category is TELUR and convertion
 unit QTY)

---
 src/lib/marketing-calculation.ts | 55 +++++++++++++++-----------------
 1 file changed, 26 insertions(+), 29 deletions(-)

diff --git a/src/lib/marketing-calculation.ts b/src/lib/marketing-calculation.ts
index 95db7eb0..3d4930c5 100644
--- a/src/lib/marketing-calculation.ts
+++ b/src/lib/marketing-calculation.ts
@@ -370,13 +370,11 @@ export const calculateTelurKg = (
 
 /**
  * TELUR + QTY Workaround:
- * - User inputs: qty, avg_weight, price_per_qty (harga per butir)
+ * - User inputs: qty, avg_weight, unit_price (harga per butir)
  * - FE calculates:
  *   - total_weight = avg_weight × qty
- *   - total_price = qty × price_per_qty
- *   - unit_price = total_price / total_weight (normalisasi untuk BE)
- * - Kirim convertion_unit: "KG" karena BE tidak support "QTY"
- * - BE akan hitung: total_price = total_weight × unit_price (hasil sama)
+ *   - total_price = qty × unit_price
+ *   - price_per_qty = total_price / total_weight (harga per kg)
  */
 export const calculateTelurQty = (
   field: string,
@@ -397,13 +395,13 @@ export const calculateTelurQty = (
       if (avgWeight > 0 && qty > 0) {
         const tw = roundWeight(avgWeight * qty);
         setFieldValue('total_weight', tw);
-        // total_price = qty × price_per_qty
-        if (pricePerQty > 0) {
-          const tp = qty * pricePerQty;
+        // total_price = qty × unit_price
+        if (unitPrice > 0) {
+          const tp = qty * unitPrice;
           setFieldValue('total_price', tp);
-          // unit_price = total_price / total_weight (untuk BE)
+          // price_per_qty = total_price / total_weight
           if (tw > 0) {
-            setFieldValue('unit_price', tp / tw);
+            setFieldValue('price_per_qty', tp / tw);
           }
         }
       }
@@ -413,48 +411,47 @@ export const calculateTelurQty = (
       // avg_weight = total_weight / qty
       if (totalWeight > 0 && qty > 0) {
         setFieldValue('avg_weight', preciseWeight(totalWeight / qty));
-        // Recalculate total_price jika ada unit_price
+        // Recalculate total_price jika ada harga per butir
         if (unitPrice > 0) {
-          setFieldValue('total_price', totalWeight * unitPrice);
+          setFieldValue('total_price', qty * unitPrice);
         }
       }
       break;
     }
     case 'price_per_qty': {
-      // total_price = qty × price_per_qty
-      if (pricePerQty > 0 && qty > 0) {
-        const tp = qty * pricePerQty;
+      // total_price = total_weight × price_per_qty
+      if (pricePerQty > 0 && totalWeight > 0) {
+        const tp = totalWeight * pricePerQty;
         setFieldValue('total_price', tp);
-        // unit_price = total_price / total_weight (untuk BE)
-        if (totalWeight > 0) {
-          setFieldValue('unit_price', tp / totalWeight);
+        // unit_price = total_price / qty
+        if (qty > 0) {
+          setFieldValue('unit_price', tp / qty);
         }
       }
       break;
     }
     case 'total_price': {
-      // price_per_qty = total_price / qty
+      // unit_price = total_price / qty
       if (totalPrice > 0 && qty > 0) {
-        setFieldValue('price_per_qty', totalPrice / qty);
-        // unit_price = total_price / total_weight (untuk BE)
+        setFieldValue('unit_price', totalPrice / qty);
+        // price_per_qty = total_price / total_weight
         if (totalWeight > 0) {
-          setFieldValue('unit_price', totalPrice / totalWeight);
+          setFieldValue('price_per_qty', totalPrice / totalWeight);
         }
       }
       break;
     }
     case 'unit_price': {
-      // total_price = total_weight × unit_price
+      // total_price = qty × unit_price
+      const newTotalPrice = qty * unitPrice;
 
-      const newTotalPrice = totalWeight * unitPrice;
-
-      if (unitPrice > 0 && totalWeight > 0) {
+      if (unitPrice > 0 && qty > 0) {
         setFieldValue('total_price', newTotalPrice);
       }
 
-      // price_per_qty = total_price / qty
-      if (newTotalPrice > 0 && qty > 0) {
-        setFieldValue('price_per_qty', newTotalPrice / qty);
+      // price_per_qty = total_price / total_weight
+      if (newTotalPrice > 0 && totalWeight > 0) {
+        setFieldValue('price_per_qty', newTotalPrice / totalWeight);
       }
       break;
     }