22e1372_efootballsquadsimulator/home_screen.dart

import 'package:flutter/material.dart';
import '../services/formation_generator.dart';
import '../data/formation_positions.dart';

class HomeScreen extends StatefulWidget {
  const HomeScreen({super.key});

  @override
  State<HomeScreen> createState() => _HomeScreenState();
}

class _HomeScreenState extends State<HomeScreen> {
  Map<String, dynamic>? _result;
  List<Map<String, String>> _visiblePlayers = [];
  bool _isAnimating = false;

  // 低確率スタイルモード（デコイラン / ナンバー10 などの確率を下げる）
  bool _lowProbabilityMode = false;

  Future<void> _generateFormation() async {
    setState(() {
      _result = null;
      _visiblePlayers = [];
      _isAnimating = true;
    });

    // ★ 低確率モードを渡してフォメ＋スカッド生成
    final newFormation = FormationGenerator.generate(
      lowProbMode: _lowProbabilityMode,
    );

    setState(() {
      _result = newFormation;
    });

    final players = newFormation['positions'] as List<dynamic>;

    // 1枚ずつアニメーション的に追加
    for (int i = 0; i < players.length; i++) {
      await Future.delayed(const Duration(milliseconds: 150));
      setState(() {
        _visiblePlayers.add(Map<String, String>.from(players[i]));
      });
    }

    setState(() {
      _isAnimating = false;
    });
  }

  // ポジションで色分け（表示はしないが色には使う）
  Color _getColor(String pos) {
    if (pos == 'GK') return Colors.orange;
    if (['CB', 'LSB', 'RSB'].contains(pos)) return Colors.blue;
    if (['DMF', 'CMF', 'OMF', 'LMF', 'RMF'].contains(pos)) return Colors.green;
    if (['CF', 'ST', 'RWG', 'LWG'].contains(pos)) return Colors.red;
    return Colors.grey;
  }

 Widget _buildPlayerCard(String pos, String style) {
  final color = _getColor(pos);

  return Container(
    width: 80,
    height: 60,
    decoration: BoxDecoration(
      color: color.withOpacity(0.9),
      borderRadius: BorderRadius.circular(10),
      border: Border.all(color: Colors.white, width: 1),
    ),
    padding: const EdgeInsets.all(4),
    child: Column(
      mainAxisAlignment: MainAxisAlignment.center,
      children: [
        Text(
          pos,                      // ★ポジション表示復活
          style: const TextStyle(
            color: Colors.white,
            fontSize: 11,
            fontWeight: FontWeight.bold,
          ),
        ),
        const SizedBox(height: 2),
        Text(
          style,                    // プレースタイル
          textAlign: TextAlign.center,
          maxLines: 2,
          overflow: TextOverflow.ellipsis,
          style: const TextStyle(
            color: Colors.white,
            fontSize: 10,
          ),
        ),
      ],
    ),
  );
}

  // ピッチにカードを並べる
 Widget _buildPitch(String formation, List<Map<String, String>> roles) {
  // ★ 直接 formationLayouts を見ず、getFormationLayout を使う
  final layout = getFormationLayout(formation);

  return LayoutBuilder(
    builder: (context, constraints) {
      final width = constraints.maxWidth;
      final height = constraints.maxHeight;
      const cardW = 80.0;
      const cardH = 60.0;

      final List<Widget> children = [];

      // 背景
      children.add(Container(
        width: width,
        height: height,
        decoration: BoxDecoration(
          gradient: LinearGradient(
            colors: [Colors.green.shade800, Colors.green.shade700],
            begin: Alignment.topCenter,
            end: Alignment.bottomCenter,
          ),
        ),
      ));

      int index = 0;

      for (int row = 0; row < layout.length; row++) {
        for (int col = 0; col < layout[row].length; col++) {
          if (index >= roles.length) break;

          final posData = roles[index];
          index++;

          final xNorm = layout[row][col]['x'] ?? 0.5;
          final yNorm = layout[row][col]['y'] ?? 0.5;

          final left = width * xNorm - cardW / 2;
          final top = height * yNorm - cardH / 2;

          children.add(
            Positioned(
              left: left,
              top: top,
              child: _buildPlayerCard(
                posData['pos'] ?? '',
                posData['style'] ?? '',
              ),
            ),
          );
        }
      }

      return Stack(children: children);
    },
  );
}


  @override
  Widget build(BuildContext context) {
    final formation = _result?['formation'] as String?;
    final positions = _visiblePlayers;

    return Scaffold(
      backgroundColor: Colors.green[900],
      appBar: AppBar(
        title: const Text('eFootball スカッドシミュレーター'),
        centerTitle: true,
        backgroundColor: Colors.green[900],
      ),
      body: Column(
        children: [
          const SizedBox(height: 8),

          // 低確率モードスイッチ
          SwitchListTile(
            title: const Text(
              '希少なプレースタイルを確率UP(デコイラン等)',
              style: TextStyle(color: Colors.white),
            ),
            value: _lowProbabilityMode,
            onChanged: (v) {
              setState(() {
                _lowProbabilityMode = v;
              });
            },
          ),

          const SizedBox(height: 4),

          // 抽選ボタン
          ElevatedButton.icon(
            onPressed: _isAnimating ? null : _generateFormation,
            icon: const Icon(Icons.shuffle),
            label: const Text('フォーメーション抽選'),
            style: ElevatedButton.styleFrom(
              backgroundColor: Colors.white,
              foregroundColor: Colors.green[900],
            ),
          ),

          const SizedBox(height: 8),

          // フォーメーション表示
          if (formation != null)
            Text(
              'フォーメーション: $formation',
              style: const TextStyle(
                color: Colors.white,
                fontSize: 18,
                fontWeight: FontWeight.bold,
              ),
            ),

          const SizedBox(height: 8),

          // ピッチ
          Expanded(
            child: Padding(
              padding: const EdgeInsets.all(8.0),
              child: formation == null
                  ? const Center(
                      child: Text(
                        '抽選ボタンを押してスカッドを生成',
                        style: TextStyle(color: Colors.white70, fontSize: 16),
                      ),
                    )
                  : _buildPitch(formation, positions),
            ),
          ),
        ],
      ),
    );
  }
}