refactor(arena): 아레나 화면 및 위젯 정리

lib/src/features/arena/widgets/arena_result_panel.dart

@@ -1,4 +1,9 @@
+import 'dart:convert';
+import 'dart:io';
+
+import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
+import 'package:path_provider/path_provider.dart';
 
 import 'package:asciineverdie/data/game_text_l10n.dart' as l10n;
 import 'package:asciineverdie/src/core/engine/item_service.dart';
@@ -6,6 +11,7 @@ import 'package:asciineverdie/src/core/model/arena_match.dart';
 import 'package:asciineverdie/src/core/model/equipment_item.dart';
 import 'package:asciineverdie/src/core/model/equipment_slot.dart';
 import 'package:asciineverdie/src/core/model/item_stats.dart';
+import 'package:asciineverdie/src/features/game/widgets/combat_log.dart';
 import 'package:asciineverdie/src/shared/retro_colors.dart';
 
 // 임시 문자열
@@ -23,6 +29,7 @@ class ArenaResultPanel extends StatefulWidget {
     required this.result,
     required this.turnCount,
     required this.onContinue,
+    this.battleLog,
   });
 
   /// 대전 결과
@@ -34,6 +41,9 @@ class ArenaResultPanel extends StatefulWidget {
   /// Continue 콜백
   final VoidCallback onContinue;
 
+  /// 배틀 로그 (디버그 모드 저장용)
+  final List<CombatLogEntry>? battleLog;
+
   @override
   State<ArenaResultPanel> createState() => _ArenaResultPanelState();
 }
@@ -52,21 +62,18 @@ class _ArenaResultPanelState extends State<ArenaResultPanel>
       vsync: this,
     );
 
-    _slideAnimation = Tween<Offset>(
-      begin: const Offset(0, 1), // 아래에서 위로
-      end: Offset.zero,
-    ).animate(CurvedAnimation(
-      parent: _slideController,
-      curve: Curves.easeOutCubic,
-    ));
+    _slideAnimation =
+        Tween<Offset>(
+          begin: const Offset(0, 1), // 아래에서 위로
+          end: Offset.zero,
+        ).animate(
+          CurvedAnimation(parent: _slideController, curve: Curves.easeOutCubic),
+        );
 
     _fadeAnimation = Tween<double>(
       begin: 0.0,
       end: 1.0,
-    ).animate(CurvedAnimation(
-      parent: _slideController,
-      curve: Curves.easeOut,
-    ));
+    ).animate(CurvedAnimation(parent: _slideController, curve: Curves.easeOut));
 
     // 약간 지연 후 애니메이션 시작 (분해 애니메이션과 동기화)
     Future.delayed(const Duration(milliseconds: 800), () {
@@ -82,6 +89,63 @@ class _ArenaResultPanelState extends State<ArenaResultPanel>
     super.dispose();
   }
 
+  /// 배틀 로그 JSON 저장 (macOS 디버그 모드 전용)
+  Future<void> _saveBattleLog() async {
+    if (widget.battleLog == null || widget.battleLog!.isEmpty) return;
+
+    try {
+      // macOS: Downloads 폴더에 저장 (사용자가 쉽게 찾을 수 있도록)
+      final directory = await getDownloadsDirectory() ??
+          await getApplicationDocumentsDirectory();
+      final timestamp = DateTime.now().toIso8601String().replaceAll(':', '-');
+      final challenger = widget.result.match.challenger.characterName;
+      final opponent = widget.result.match.opponent.characterName;
+      final fileName = 'arena_${challenger}_vs_${opponent}_$timestamp.json';
+      final file = File('${directory.path}/$fileName');
+
+      final jsonData = {
+        'match': {
+          'challenger': challenger,
+          'opponent': opponent,
+          'isVictory': widget.result.isVictory,
+          'turnCount': widget.turnCount,
+          'timestamp': DateTime.now().toIso8601String(),
+        },
+        'battleLog': widget.battleLog!.map((e) => e.toJson()).toList(),
+      };
+
+      await file.writeAsString(
+        const JsonEncoder.withIndent('  ').convert(jsonData),
+      );
+
+      if (mounted) {
+        ScaffoldMessenger.of(context).showSnackBar(
+          SnackBar(
+            content: Text(
+              '${l10n.uiSaved}: $fileName',
+              style: const TextStyle(fontFamily: 'PressStart2P', fontSize: 6),
+            ),
+            backgroundColor: RetroColors.mpOf(context),
+            duration: const Duration(seconds: 3),
+          ),
+        );
+      }
+    } catch (e) {
+      if (mounted) {
+        ScaffoldMessenger.of(context).showSnackBar(
+          SnackBar(
+            content: Text(
+              '${l10n.uiError}: $e',
+              style: const TextStyle(fontFamily: 'PressStart2P', fontSize: 6),
+            ),
+            backgroundColor: RetroColors.hpOf(context),
+            duration: const Duration(seconds: 3),
+          ),
+        );
+      }
+    }
+  }
+
   @override
   Widget build(BuildContext context) {
     final isVictory = widget.result.isVictory;
@@ -137,6 +201,13 @@ class _ArenaResultPanelState extends State<ArenaResultPanel>
                     // 장비 교환
                     _buildExchangeSection(context),
                     const SizedBox(height: 12),
+                    // 배틀로그 저장 버튼 (macOS 디버그 모드 전용)
+                    if (kDebugMode &&
+                        Platform.isMacOS &&
+                        widget.battleLog != null) ...[
+                      _buildSaveLogButton(context),
+                      const SizedBox(height: 8),
+                    ],
                     // Continue 버튼
                     _buildContinueButton(context, resultColor),
                   ],
@@ -262,10 +333,12 @@ class _ArenaResultPanelState extends State<ArenaResultPanel>
       slot,
     );
 
-    final oldScore =
-        oldItem != null ? ItemService.calculateEquipmentScore(oldItem) : 0;
-    final newScore =
-        newItem != null ? ItemService.calculateEquipmentScore(newItem) : 0;
+    final oldScore = oldItem != null
+        ? ItemService.calculateEquipmentScore(oldItem)
+        : 0;
+    final newScore = newItem != null
+        ? ItemService.calculateEquipmentScore(newItem)
+        : 0;
     final scoreDiff = newScore - oldScore;
 
     return Container(
@@ -344,7 +417,9 @@ class _ArenaResultPanelState extends State<ArenaResultPanel>
                   mainAxisSize: MainAxisSize.min,
                   children: [
                     Icon(
-                      scoreDiff >= 0 ? Icons.arrow_upward : Icons.arrow_downward,
+                      scoreDiff >= 0
+                          ? Icons.arrow_upward
+                          : Icons.arrow_downward,
                       size: 10,
                       color: scoreDiff >= 0 ? Colors.green : Colors.red,
                     ),
@@ -366,11 +441,7 @@ class _ArenaResultPanelState extends State<ArenaResultPanel>
     );
   }
 
-  Widget _buildItemBadge(
-    BuildContext context,
-    EquipmentItem? item,
-    int score,
-  ) {
+  Widget _buildItemBadge(BuildContext context, EquipmentItem? item, int score) {
     if (item == null || item.isEmpty) {
       return Container(
         padding: const EdgeInsets.symmetric(horizontal: 6, vertical: 4),
@@ -433,9 +504,7 @@ class _ArenaResultPanelState extends State<ArenaResultPanel>
         style: FilledButton.styleFrom(
           backgroundColor: color,
           padding: const EdgeInsets.symmetric(vertical: 10),
-          shape: RoundedRectangleBorder(
-            borderRadius: BorderRadius.circular(6),
-          ),
+          shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(6)),
         ),
         child: Text(
           l10n.buttonConfirm,
@@ -449,6 +518,27 @@ class _ArenaResultPanelState extends State<ArenaResultPanel>
     );
   }
 
+  /// 배틀로그 저장 버튼 (macOS 디버그 모드 전용)
+  Widget _buildSaveLogButton(BuildContext context) {
+    return SizedBox(
+      width: double.infinity,
+      child: OutlinedButton.icon(
+        onPressed: _saveBattleLog,
+        icon: const Icon(Icons.save_alt, size: 14),
+        label: Text(
+          l10n.uiSaveBattleLog,
+          style: const TextStyle(fontFamily: 'PressStart2P', fontSize: 6),
+        ),
+        style: OutlinedButton.styleFrom(
+          foregroundColor: RetroColors.mpOf(context),
+          side: BorderSide(color: RetroColors.mpOf(context)),
+          padding: const EdgeInsets.symmetric(vertical: 8),
+          shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(6)),
+        ),
+      ),
+    );
+  }
+
   EquipmentItem? _findItem(List<EquipmentItem>? equipment, EquipmentSlot slot) {
     if (equipment == null) return null;
     for (final item in equipment) {