counts_by_day.dart

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

import 'package:scrobbles/config/app_colors.dart';
import 'package:scrobbles/models/counts_by_day.dart';
import 'package:scrobbles/ui/widgets/abstracts/custom_bar_chart.dart';

class ChartCountsByDay extends CustomBarChart {
  final CountsByDayData chartData;

  const ChartCountsByDay({super.key, required this.chartData});

  final double verticalTicksInterval = 5;
  final String verticalAxisTitleSuffix = '%';

  @override
  Widget build(BuildContext context) {
    if (this.chartData.data.keys.length == 0) {
      return SizedBox(
        height: this.chartHeight,
      );
    }

    return Container(
      height: this.chartHeight,
      child: LayoutBuilder(
        builder: (context, constraints) {
          final double maxWidth = constraints.maxWidth;
          final int barsCount = this.chartData.data.keys.length;

          return getBarChart(
            barWidth: this.getBarWidth(maxWidth, barsCount),
            backgroundColor: Theme.of(context).colorScheme.onSurface,
          );
        },
      ),
    );
  }

  double getMaxCountsValue() {
    double maxValue = 0;

    this.chartData.data.keys.forEach((key) {
      double? counts = this.chartData.data[key];
      if (counts != null) {
        if (counts > maxValue) {
          maxValue = counts;
        }
      }
    });

    return maxValue;
  }

  Color getColorFromIndex(int index) {
    Color barColor = AppColors.contentColorBlack;
    switch (index) {
      case 1:
        barColor = Color.fromARGB(255, 255, 99, 132);
        break;
      case 2:
        barColor = Color.fromARGB(255, 255, 159, 64);
        break;
      case 3:
        barColor = Color.fromARGB(255, 255, 205, 86);
        break;
      case 4:
        barColor = Color.fromARGB(255, 75, 192, 192);
        break;
      case 5:
        barColor = Color.fromARGB(255, 54, 162, 235);
        break;
      case 6:
        barColor = Color.fromARGB(255, 153, 102, 255);
        break;
      case 7:
        barColor = Color.fromARGB(255, 201, 203, 207);
        break;
      default:
    }
    return barColor;
  }

  List<BarChartGroupData> getDataCounts(double barWidth) {
    List<BarChartGroupData> data = [];

    this.chartData.data.keys.forEach((day) {
      final double? counts = this.chartData.data[day];

      if (counts != null) {
        final Color barColor = this.getColorFromIndex(day);

        data.add(this.getBarItem(
          x: day,
          values: [counts],
          barColors: [barColor],
          barWidth: barWidth,
        ));
      }
    });

    return data;
  }

  Widget getHorizontalTitlesWidget(double value, TitleMeta meta) {
    final int day = value.toInt();
    String dayShortName = '';
    switch (day) {
      case 1:
        dayShortName = 'MON';
        break;
      case 2:
        dayShortName = 'TUE';
        break;
      case 3:
        dayShortName = 'WED';
        break;
      case 4:
        dayShortName = 'THU';
        break;
      case 5:
        dayShortName = 'FRI';
        break;
      case 6:
        dayShortName = 'SAT';
        break;
      case 7:
        dayShortName = 'SUN';
        break;
      default:
    }

    return SideTitleWidget(
      axisSide: meta.axisSide,
      space: 2,
      child: Text(
        tr(dayShortName),
        style: const TextStyle(
          color: AppColors.mainTextColor1,
          fontSize: 11,
        ),
      ),
    );
  }
}