From 80540b5d0d33c583e8885ba40bf8472a37521368 Mon Sep 17 00:00:00 2001
From: "pikagreen@nate.com" <pikagreen@nate.com>
Date: Mon, 2 Sep 2024 22:01:02 +0900
Subject: [PATCH] =?UTF-8?q?=E2=9C=A8=20::=20[#1285]=20=EB=8D=B0=EC=9D=B4?=
 =?UTF-8?q?=ED=84=B0=20=EC=97=86=EC=9D=84=20=EB=95=8C=20UI=20=EC=B2=98?=
 =?UTF-8?q?=EB=A6=AC?=
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---
 .../Sources/SongCreditViewController.swift    | 50 ++++++++++++++++++-
 1 file changed, 48 insertions(+), 2 deletions(-)

diff --git a/Projects/Features/SongCreditFeature/Sources/SongCreditViewController.swift b/Projects/Features/SongCreditFeature/Sources/SongCreditViewController.swift
index c009c9b61..eec087034 100644
--- a/Projects/Features/SongCreditFeature/Sources/SongCreditViewController.swift
+++ b/Projects/Features/SongCreditFeature/Sources/SongCreditViewController.swift
@@ -71,6 +71,26 @@ final class SongCreditViewController: BaseReactorViewController<SongCreditReacto
         $0.clipsToBounds = true
     }
 
+    private let warningView = UIView().then {
+        $0.isHidden = true
+    }
+
+    private let warningImageView = UIImageView().then {
+        $0.contentMode = .scaleAspectFit
+        $0.image = DesignSystemAsset.LyricHighlighting.errorDark.image
+    }
+
+    private let warningLabel = WMLabel(
+        text: "참여 정보가 없습니다.",
+        textColor: DesignSystemAsset.BlueGrayColor.blueGray200.color,
+        font: .t6(weight: .light),
+        alignment: .center,
+        lineHeight: UIFont.WMFontSystem.t6(weight: .light).lineHeight
+    ).then {
+        $0.numberOfLines = 0
+        $0.preferredMaxLayoutWidth = APP_WIDTH() - 40
+    }
+
     private let dimmedBackgroundView = UIView()
     private var dimmedGridentLayer: DimmedGradientLayer?
     private let wmNavigationbarView = WMNavigationBarView()
@@ -104,7 +124,14 @@ final class SongCreditViewController: BaseReactorViewController<SongCreditReacto
     }
 
     override func addView() {
-        view.addSubviews(backgroundImageView, dimmedBackgroundView, songCreditCollectionView, wmNavigationbarView)
+        view.addSubviews(
+            backgroundImageView,
+            dimmedBackgroundView,
+            songCreditCollectionView,
+            wmNavigationbarView,
+            warningView
+        )
+        warningView.addSubviews(warningImageView, warningLabel)
     }
 
     override func setLayout() {
@@ -126,6 +153,23 @@ final class SongCreditViewController: BaseReactorViewController<SongCreditReacto
             $0.horizontalEdges.equalToSuperview()
             $0.height.equalTo(48)
         }
+
+        warningView.snp.makeConstraints {
+            $0.top.equalToSuperview().offset(APP_HEIGHT() * ((294.0 - 6.0) / 812.0))
+            $0.centerX.equalToSuperview()
+        }
+
+        warningImageView.snp.makeConstraints {
+            $0.top.equalToSuperview()
+            $0.horizontalEdges.equalToSuperview()
+            $0.centerX.equalToSuperview()
+        }
+
+        warningLabel.snp.makeConstraints {
+            $0.top.equalTo(warningImageView.snp.bottom).offset(-2)
+            $0.horizontalEdges.equalToSuperview()
+            $0.bottom.equalToSuperview()
+        }
     }
 
     override func configureNavigation() {
@@ -161,8 +205,10 @@ final class SongCreditViewController: BaseReactorViewController<SongCreditReacto
         let sharedState = reactor.state.share()
 
         sharedState.map(\.credits)
+            .skip(1)
             .distinctUntilChanged()
-            .bind { [creditDiffableDataSource] credits in
+            .bind { [creditDiffableDataSource, warningView] credits in
+                warningView.isHidden = !credits.isEmpty
                 var snapshot = NSDiffableDataSourceSnapshot<SectionType, ItemType>()
                 snapshot.appendSections(credits.map(\.position))
                 credits.forEach { snapshot.appendItems($0.names, toSection: $0.position) }