From 1be559a552cc29481c9a341505ff58e02dd3cadb Mon Sep 17 00:00:00 2001
From: karthik <gopavarapukarthik08@gmail.com>
Date: Mon, 28 Jul 2025 23:49:17 +0530
Subject: [PATCH] fix : QUI logic is working with and without box section

---
 .../selection.service/selection.service.ts    | 36 ++++++++++++-------
 1 file changed, 23 insertions(+), 13 deletions(-)

diff --git a/btc-UI/src/app/components/selection.service/selection.service.ts b/btc-UI/src/app/components/selection.service/selection.service.ts
index f1180e9..dc0cdce 100644
--- a/btc-UI/src/app/components/selection.service/selection.service.ts
+++ b/btc-UI/src/app/components/selection.service/selection.service.ts
@@ -1,4 +1,3 @@
-// ✅ Final SelectionService.ts with strict QUI logic
 import { Injectable } from '@angular/core';
 import { BehaviorSubject } from 'rxjs';
 
@@ -74,21 +73,32 @@ export class SelectionService {
           const group2 = updated.numbers.slice(dashIndex + 1).filter(n => typeof n === 'number') as number[];
 
           let combinations = 0;
+          const set1 = new Set(group1);
+          const set2 = new Set(group2);
+          const uniqueUnion = new Set([...group1, ...group2]);
 
-          if (isBoxed) {
-            const uniq = Array.from(new Set([...group1, ...group2]));
-            combinations = this.calculateCombinations(uniq.length); // nC2
-            updated.numbers = [...uniq, '-', ...uniq];
-          } else {
-            for (const a of group1) {
-              for (const b of group2) {
-                if (a !== b) combinations++;
-              }
-            }
-            updated.numbers = [...group1, '-', ...group2];
+          function setsAreEqual(a: Set<number>, b: Set<number>): boolean {
+            if (a.size !== b.size) return false;
+            for (let v of a) if (!b.has(v)) return false;
+            return true;
           }
 
-          updated.total = combinations * value * 10;
+          if (isBoxed || setsAreEqual(set1, set2)) {
+            combinations = uniqueUnion.size >= 2 ? (uniqueUnion.size * (uniqueUnion.size - 1)) / 2 : 0;
+          } else {
+            const pairSet = new Set<string>();
+            for (let a of set1) {
+              for (let b of set2) {
+                if (a === b) continue;
+                let key = a < b ? `${a},${b}` : `${b},${a}`;
+                pairSet.add(key);
+              }
+            }
+            combinations = pairSet.size;
+          }
+
+          updated.numbers = [...group1, '-', ...group2];
+          updated.total = combinations * value * 10; // Value multiplier as per your code (10x)
           break;
         }