import 'package:flutter/material.dart';

import 'chartpart.dart';
import 'singlebutton.dart';

class HomeScreen extends StatefulWidget {
  @override
  _HomeScreenState createState() => _HomeScreenState();
}

class _HomeScreenState extends State<HomeScreen> {
  Color selectedColor = Colors.blue; // 默认颜色
  List<Color> colors = [Colors.blue, Colors.red, Colors.green, Colors.orange];
  List<List<Color>> groupColors = []; // 存储每个组的颜色

  @override
  void initState() {
    super.initState();
    // 初始化每个组的颜色
    for (int i = 0; i < 4; i++) {
      groupColors.add([colors[i % colors.length], colors[(i + 1) % colors.length]]);
    }
  }

  void updateGroupColor(int groupIndex, Color color) {
    setState(() {
      for (int i = 0; i < groupColors.length; i++) {
        // 只保留与选中颜色相同的颜色
        groupColors[i] = groupColors[i].first == color ? [color] : [Colors.transparent];
      }
    });
  }

  String colorToString(Color color) {
    // 将颜色转换为字符串
    if (color == Colors.blue) return 'Blue';
    if (color == Colors.red) return 'Red';
    if (color == Colors.green) return 'Green';
    if (color == Colors.orange) return 'Orange';
    return 'Unknown Color';
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('信号质量'),
      ),
      body: OrientationBuilder(builder: (context, orientation) {
        return Column(
          children: [
            SingleButton(
              colors: colors,
              onSelectionChanged: (color) {
                setState(() {
                  selectedColor = color; // 更新选中的颜色
                  // 更新所有组为选中颜色
                  for (int i = 0; i < groupColors.length; i++) {
                    updateGroupColor(i, selectedColor);
                  }
                });
              },
            ),
            Expanded(
              child: Center(
                child: ChartPart(groupColors: groupColors), // 将组颜色传递给 ChartPart
              ),
            ),
          ],
        );
      }),
    );
  }
}