package goCharts

/*
*
@author: sre
@date: 2022/9/17 0017
@desc: todo
*
*/

import (
	"github.com/vicanso/go-charts/v2"
)

func Draw() {
	values := [][]float64{
		{
			120,
			132,
			101,
			// 134,
			//charts.GetNullValue(),
			134,
			90,
			230,
			210,
		},
		{
			220,
			182,
			191,
			234,
			290,
			330,
			310,
		},
		{
			150,
			232,
			201,
			154,
			190,
			330,
			410,
		},
		{
			320,
			332,
			301,
			334,
			390,
			330,
			320,
		},
	}
	p, err := charts.LineRender(
		values,
		//charts.SVGTypeOption(),
		charts.ThemeOptionFunc(charts.ThemeGrafana),
		charts.WidthOptionFunc(720),
		charts.HeightOptionFunc(1280),
		charts.TitleTextOptionFunc("symbol price"),
		charts.XAxisDataOptionFunc([]string{
			"Mon",
			"Tue",
			"Wed",
			"Thu",
			"Fri",
			"Sat",
			"Sun",
		}),
		charts.LegendLabelsOptionFunc([]string{
			"BTC",
			"ETH",
			"BNB",
			"TRX",
		}, "150"),
		func(opt *charts.ChartOption) {
			opt.Legend.Padding = charts.Box{
				Top:    5,
				Bottom: 10,
			}
			opt.SymbolShow = charts.FalseFlag()
			opt.LineStrokeWidth = 1
		},
	)

	if err != nil {
		panic(err)
	}

	buf, err := p.Bytes()
	if err != nil {
		panic(err)
	}
	err = writeFile(buf)
	if err != nil {
		panic(err)
	}
}