package main

import (
	"fwh-toolbox-server/utils/echart"
	"math/rand"
	"os"
	"time"

	"github.com/go-echarts/go-echarts/v2/opts"
)

// 生成时间-数据序列
func generateLineItems() []opts.LineData {
	items := make([]opts.LineData, 0)
	now := time.Now()

	for i := 0; i < 10; i++ {
		// 随机值范围 -300 ~ +300
		value := rand.Intn(600) - 300

		items = append(items, opts.LineData{
			Value: []interface{}{
				now.Add(time.Duration(i) * time.Hour).Format(time.DateTime),
				value,
			},
		})
	}

	return items
}

func generateSocItems() []opts.LineData {
	items := make([]opts.LineData, 0)
	now := time.Now()

	for i := 0; i < 10; i++ {
		// 随机值范围 0 ~ 100
		value := rand.Intn(100)

		items = append(items, opts.LineData{
			Value: []interface{}{
				now.Add(time.Duration(i) * time.Hour).Format(time.DateTime),
				value,
			},
		})
	}

	return items
}

func main() {
	var powerFlowData []echart.PowerFlowChartData = []echart.PowerFlowChartData{}
	powerFlowData = append(powerFlowData, echart.PowerFlowChartData{
		Legend: "A",
		Data:   generateLineItems(),
	})
	powerFlowData = append(powerFlowData, echart.PowerFlowChartData{
		Legend: "B",
		Data:   generateLineItems(),
	})
	powerFlowData = append(powerFlowData, echart.PowerFlowChartData{
		Legend: "C",
		Data:   generateLineItems(),
	})
	powerFlowData = append(powerFlowData, echart.PowerFlowChartData{
		Legend: "D",
		Data:   generateLineItems(),
	})

	var socData echart.SocChartData = echart.SocChartData{
		Data: generateSocItems(),
	}

	lineOpt := echart.LineChartOpt{
		Global: echart.ChartOpt{
			Title: "功率流图",
		},
	}

	line := echart.CreatePowerFlowChart(lineOpt, powerFlowData, socData)
	f, _ := os.Create("line.html")
	defer f.Close()
	line.Render(f)
}