룰렛 프리뷰 다이얼로그 추가

SodaLive/Sources/Live/Room/Routlette/Config/RouletteSettingsViewModel.swift

@@ -25,6 +25,15 @@ final class RouletteSettingsViewModel: ObservableObject {
     @Published var isActive = false
     @Published var options = [RouletteOption]()
     
+    @Published var isShowPreview = false {
+        didSet {
+            if !isShowPreview {
+                previewData = nil
+            }
+        }
+    }
+    @Published var previewData: RoulettePreview? = nil
+    
     var can = 5
     
     func plusWeight(index: Int) {
@@ -118,4 +127,24 @@ final class RouletteSettingsViewModel: ObservableObject {
             }
             .store(in: &subscription)
     }
+    
+    func onClickPreview() {
+        isLoading = true
+        
+        var items = [RoulettePreviewItem]()
+        for option in options {
+            if option.title.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty {
+                isLoading = false
+                errorMessage = "옵션은 빈칸일 수 없습니다."
+                isShowErrorPopup = true
+                return
+            }
+            
+            items.append(RoulettePreviewItem(title: option.title, percent: "\(option.percentage)%"))
+        }
+        
+        previewData = RoulettePreview(can: self.can, items: items)
+        isLoading = false
+        isShowPreview = true
+    }
 }