bar_data.dart

import 'package:flutter/material.dart';
import 'package:fl_chart/fl_chart.dart';

import '../consts.dart';
import '../utils/format_month.dart';

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

  @override
  State<StatefulWidget> createState() => _BarDataState();
}


class _BarDataState extends State<BarData> {
  static const double barWidth = 30;

  // Allocate bar data dynamically from selected subdivision
  var barData = <int, List<double>>{};
  double totalHeight = 0.5; // Set minimum total height

  int touchedIndex = -1;

  @override
  void initState() {
    super.initState();

    // Allocate bar data dynamically based from the selected subdivision
    for (int i = 0; i < 7; i++) {
      var entry = selectedSubDiv?.iceStats[i];
      if (entry != null) {
        barData[i] = [
          entry.slushIce,
          entry.blackIce,
          entry.snowDepth,
        ];

        // Find tallest layer
        if (entry.totalIce > totalHeight) {
          totalHeight = entry.totalIce;
        }
      } else {
        barData[i] = [0.0, 0.0, 0.0];
      }
    }
  }

  BarChartGroupData generateGroup(
      int x,
      double value1,
      double value2,
      double value3,
      ) {
    final sum = value1 + value2 + value3;
    final isTouched = touchedIndex == x;
    return BarChartGroupData(
      x: x,
      showingTooltipIndicators: isTouched ? [0] : [],
      barRods: [
        BarChartRodData(
          y: sum,
          width: barWidth,
          borderRadius: const BorderRadius.only(
            topLeft: Radius.circular(6),
            topRight: Radius.circular(6),
          ),
          rodStackItems: [
            BarChartRodStackItem(
              0,
              value1,