using LiveCharts;
using LiveCharts.Wpf;
using System.Windows.Media;
using WpfApp.src.config;

namespace WpfApp.Utils;

public static class InitChart
{
    public static void InitCartesianChart(CartesianChart chart, ChartConfig config)
    {
        chart.Series = new SeriesCollection();

        // 柱状图
        if (config.ColumnData != null && config.ColumnData.Count > 0)
        {
            chart.Series.Add(new ColumnSeries
            {
                Title = "柱状数据",
                Values = new ChartValues<double>(config.ColumnData)
            });
        }

        // 标准线条
        foreach (var line in config.LineConfigs)
        {
            var lineSeries = new LineSeries
            {
                Title = line.Title,
                Values = new ChartValues<double>(line.Values),
                Stroke = line.Stroke ?? Brushes.Black,
                StrokeThickness = 2,
                Fill = Brushes.Transparent,
                DataLabels = line.ShowLabel,
            };

            if (line.ShowLabel)
                lineSeries.LabelPoint = value => $"{value.Y:0.##} {line.Unit}";

            chart.Series.Add(lineSeries);
        }

        // X轴
        chart.AxisX.Clear();
        chart.AxisX.Add(new Axis
        {
            Title = config.XTitle ?? "",
            Labels = config.Labels
        });

        // Y轴
        chart.AxisY.Clear();
        chart.AxisY.Add(new Axis
        {
            Title = config.YTitle ?? ""
        });
    }
}