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

buildChart(
    BuildContext context, List<double> chartPoints, List<String>? dates) {
// Определение осей графика
  List<FlSpot> spots = [];
  for (int i = 0; i < 4; i++) {
    spots.add(
      FlSpot((i * 10 / 10) + 1, chartPoints[i]),
    );
  }

  Widget bottomTitleWidgets(
      double value, TitleMeta meta, double chartWidth, List<String>? dates) {
    if (value % 1 != 0) {
      return Container();
    }
    final style = TextStyle(
      color: Colors.blue,
      fontWeight: FontWeight.bold,
      fontSize: min(13, 13 * chartWidth / 300),
    );
    int index = value.toInt();
    if (index >= 0 && index < dates!.length) {
      // Проверка на допустимый индекс в массиве dates
      String formattedDate =
          DateFormat('dd.MM').format(DateTime.parse(dates[index]));
      return SideTitleWidget(
        axisSide: meta.axisSide,
        space: 16,
        child: Text(formattedDate, style: style),
      );
    } else {
      return Container();
    }
  }

  Widget leftTitleWidgets(double value, TitleMeta meta, double chartWidth) {
    final style = TextStyle(
      color: Colors.blue,
      fontWeight: FontWeight.bold,
      fontSize: min(18, 18 * chartWidth / 300),
    );
    return SideTitleWidget(
      axisSide: meta.axisSide,
      space: 16,
      child: Text(meta.formattedValue, style: style),
    );
  }

  return Padding(
    padding: const EdgeInsets.only(
      left: 12,
      right: 20,
    ),
    child: AspectRatio(
      aspectRatio: 1,
      child: LayoutBuilder(
        builder: (context, constraints) {
          return LineChart(
            LineChartData(
              lineTouchData: LineTouchData(
                touchTooltipData: LineTouchTooltipData(
                  maxContentWidth: 100,
                  tooltipBgColor: Colors.black,
                  getTooltipItems: mapSpots(),
                ),
                handleBuiltInTouches: true,
                getTouchLineStart: (data, index) => 0,
              ),
              lineBarsData: [
                LineChartBarData(
                  color: Colors.pink,
                  spots: spots,
                  isCurved: true,
                  isStrokeCapRound: true,
                  barWidth: 3,
                  belowBarData: BarAreaData(
                    show: false,
                  ),
                  dotData: const FlDotData(show: false),
                ),
              ],
              minY: chartPoints.reduce(
                  (value, element) => value < element ? value : element),
              maxY: chartPoints.reduce(
                  (value, element) => value > element ? value : element),
              minX: 1,
              maxX: 4,
              titlesData: FlTitlesData(
                leftTitles: AxisTitles(
                  sideTitles: SideTitles(
                    showTitles: true,
                    getTitlesWidget: (value, meta) =>
                        leftTitleWidgets(value, meta, constraints.maxWidth),
                    reservedSize: 56,
                  ),
                  drawBelowEverything: true,
                ),
                rightTitles: const AxisTitles(
                  sideTitles: SideTitles(showTitles: false),
                ),
                bottomTitles: AxisTitles(
                  sideTitles: SideTitles(
                    showTitles: true,
                    getTitlesWidget: (value, meta) => bottomTitleWidgets(
                        value, meta, constraints.maxWidth, dates),
                    reservedSize: 36,
                    interval: 1,
                  ),
                  drawBelowEverything: true,
                ),
                topTitles: const AxisTitles(
                  sideTitles: SideTitles(showTitles: false),
                ),
              ),
              gridData: FlGridData(
                show: true,
                drawHorizontalLine: true,
                drawVerticalLine: true,
                horizontalInterval: 1.5,
                verticalInterval: 5,
                checkToShowHorizontalLine: valuteToInt(),
                getDrawingHorizontalLine: (_) => FlLine(
                  color: Colors.blue.withOpacity(1),
                  dashArray: [8, 2],
                  strokeWidth: 0.8,
                ),
                getDrawingVerticalLine: (_) => FlLine(
                  color: Colors.blue.withOpacity(1),
                  dashArray: [8, 2],
                  strokeWidth: 0.8,
                ),
                checkToShowVerticalLine: valuteToInt(),
              ),
              borderData: FlBorderData(show: false),
            ),
          );
        },
      ),
    ),
  );
}
*/