// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved. Official site: https://goedge.cn .

package trafficstats

import (
	"fmt"
	"github.com/TeaOSLab/EdgeAdmin/internal/configloaders"
	"github.com/TeaOSLab/EdgeAdmin/internal/utils"
	"github.com/TeaOSLab/EdgeAdmin/internal/web/actions/actionutils"
	"github.com/TeaOSLab/EdgeCommon/pkg/rpc/pb"
	"github.com/TeaOSLab/EdgeCommon/pkg/systemconfigs"
	"github.com/iwind/TeaGo/maps"
	timeutil "github.com/iwind/TeaGo/utils/time"
	"strings"
	"time"
)

type IndexAction struct {
	actionutils.ParentAction
}

func (this *IndexAction) Init() {
	this.Nav("", "", "index")
}

func (this *IndexAction) RunGet(params struct {
	UserId   int64
	ServerId int64
	Unit     string
}) {
	var defaultDateRangeCode = systemconfigs.DefaultBandwidthDateRangeCode
	var percentile = systemconfigs.DefaultBandwidthPercentile
	userConfig, _ := configloaders.LoadUserUIConfig()
	if userConfig != nil {
		if len(userConfig.TrafficStats.DefaultBandwidthDateRange) > 0 {
			defaultDateRangeCode = userConfig.TrafficStats.DefaultBandwidthDateRange
		}
		if userConfig.TrafficStats.BandwidthPercentile > 0 {
			percentile = userConfig.TrafficStats.BandwidthPercentile
		}
	}
	this.Data["percentile"] = percentile
	var defaultDateRange = systemconfigs.FindBandwidthDateRange(defaultDateRangeCode)
	if defaultDateRange != nil {
		this.Data["dayFrom"] = defaultDateRange.DayFrom
		this.Data["dayTo"] = defaultDateRange.DayTo
	} else {
		this.Data["dayFrom"] = timeutil.Format("Y-m-d", time.Now().AddDate(0, 0, -29 /** 加上今天是30天 **/))
		this.Data["dayTo"] = timeutil.Format("Y-m-d")
	}
	this.Data["userId"] = params.UserId
	this.Data["serverId"] = params.ServerId
	this.Data["unit"] = params.Unit

	// 用户ID
	if params.ServerId > 0 {
		serverResp, err := this.RPC().ServerRPC().FindEnabledServer(this.AdminContext(), &pb.FindEnabledServerRequest{
			ServerId:       params.ServerId,
			IgnoreSSLCerts: true,
		})
		if err != nil {
			this.ErrorPage(err)
			return
		}
		var server = serverResp.Server
		if server != nil && server.User != nil {
			this.Data["userId"] = server.User.Id
		}
	}

	// 区域
	var regionMaps = []maps.Map{}
	regionsResp, err := this.RPC().NodeRegionRPC().FindAllAvailableNodeRegions(this.AdminContext(), &pb.FindAllAvailableNodeRegionsRequest{})
	if err != nil {
		this.ErrorPage(err)
		return
	}
	for _, region := range regionsResp.NodeRegions {
		regionMaps = append(regionMaps, maps.Map{
			"id":   region.Id,
			"name": region.Name,
		})
	}
	this.Data["regions"] = regionMaps

	this.Data["dayRanges"] = systemconfigs.FindAllBandwidthDateRanges()

	this.Show()
}

func (this *IndexAction) RunPost(params struct {
	DayFrom  string
	DayTo    string
	UserId   int64
	ServerId int64
	RegionId int64
}) {
	params.DayFrom = strings.ReplaceAll(params.DayFrom, "-", "")
	params.DayTo = strings.ReplaceAll(params.DayTo, "-", "")

	// 百分位
	var percentile = systemconfigs.DefaultBandwidthPercentile
	userConfig, _ := configloaders.LoadUserUIConfig()
	if userConfig != nil && userConfig.TrafficStats.BandwidthPercentile > 0 {
		percentile = userConfig.TrafficStats.BandwidthPercentile
	}

	// 带宽统计
	bandwidthStatsResp, err := this.RPC().ServerBandwidthStatRPC().FindDailyServerBandwidthStatsBetweenDays(this.AdminContext(), &pb.FindDailyServerBandwidthStatsBetweenDaysRequest{
		UserId:       params.UserId,
		ServerId:     params.ServerId,
		DayFrom:      params.DayFrom,
		DayTo:        params.DayTo,
		Percentile:   percentile,
		NodeRegionId: params.RegionId,
	})
	if err != nil {
		this.ErrorPage(err)
		return
	}

	var bandwidthMaps = []maps.Map{}

	var maxBits int64 = 0
	var maxBitsTime = ""
	var maxTime = ""
	for _, stat := range bandwidthStatsResp.Stats {
		if stat.Bits > maxBits {
			maxBits = stat.Bits
			maxBitsTime = stat.Day[:4] + "-" + stat.Day[4:6] + "-" + stat.Day[6:] + " " + stat.TimeAt[:2] + ":" + stat.TimeAt[2:]
		}

		if len(maxTime) == 0 || maxTime < stat.TimeAt {
			maxTime = stat.TimeAt
		}

		bandwidthMaps = append(bandwidthMaps, maps.Map{
			"day":   stat.Day,
			"time":  stat.TimeAt,
			"bytes": stat.Bytes,
			"bits":  stat.Bits,
			"mbps":  fmt.Sprintf("%.4f", float64(stat.Bits)/(1<<20)),
			"gbps":  fmt.Sprintf("%.4f", float64(stat.Bits)/(1<<30)),
		})
	}

	// 补充当天剩余的数据
	var today = timeutil.Format("Ymd")
	if params.DayFrom == params.DayTo && params.DayFrom == today {
		if len(maxTime) == 0 {
			maxTime = "0000"
		}
		minutes, err := utils.RangeTimes(maxTime, "2359", 5)
		if err != nil {
			this.ErrorPage(err)
			return
		}
		if len(minutes) > 1 {
			minutes = minutes[1:]
			for _, minute := range minutes {
				bandwidthMaps = append(bandwidthMaps, maps.Map{
					"day":    today,
					"time":   minute,
					"bytes":  0,
					"bits":   0,
					"mbps":   "0",
					"gbps":   "0",
					"isNull": true, // 表示当前数据为空
				})
			}
		}
	}

	this.Data["bandwidthStats"] = bandwidthMaps
	this.Data["maxBandwidthBits"] = maxBits
	this.Data["maxBandwidthTime"] = maxBitsTime

	// 95th
	this.Data["bandwidth95thBits"] = 0
	if bandwidthStatsResp.NthStat != nil {
		this.Data["bandwidth95thBits"] = bandwidthStatsResp.NthStat.Bits
	}

	// 总流量
	this.Data["totalTrafficBytes"] = 0
	this.Data["totalTrafficRequests"] = 0
	{
		sumTrafficResp, err := this.RPC().ServerDailyStatRPC().SumServerDailyStats(this.AdminContext(), &pb.SumServerDailyStatsRequest{
			UserId:       params.UserId,
			ServerId:     params.ServerId,
			DayFrom:      params.DayFrom,
			DayTo:        params.DayTo,
			NodeRegionId: params.RegionId,
		})
		if err != nil {
			this.ErrorPage(err)
			return
		}
		var stat = sumTrafficResp.ServerDailyStat
		if stat != nil {
			this.Data["totalTrafficBytes"] = stat.Bytes
			this.Data["totalTrafficRequests"] = stat.CountRequests
		}
	}

	this.Success()
}