package robot

import (
	"fmt"
	"go_dreamfactory/lego/core"
	"go_dreamfactory/lego/core/cbase"
	"go_dreamfactory/lego/sys/log"
	"go_dreamfactory/utils"
	"os"
	"sort"
	"sync"
	"time"
)

/*
统计组件
*/
type statisticalComp struct {
	cbase.ModuleCompBase
	module         *RobotModule
	succclientNum  int32                         //链接成功客户端数
	failclientNum  int32                         //链接失败客户端数
	curonlineNum   int32                         //当前在线人数
	maxonlineNum   int32                         //最大在线人数
	robotdata      map[string][]*RobotStatistics //机器人统计数据
	receiveMsg     map[string]int32              //接收消息数统计
	receiveMsgSize map[string]int64              //接收消息数统计
	lock           sync.RWMutex
	start          time.Time //开始时间
	end            time.Time //结束时间
}

//组件初始化接口
func (this *statisticalComp) Init(service core.IService, module core.IModule, comp core.IModuleComp, options core.IModuleOptions) (err error) {
	this.ModuleCompBase.Init(service, module, comp, options)
	this.module = module.(*RobotModule)
	this.robotdata = make(map[string][]*RobotStatistics)
	this.receiveMsg = make(map[string]int32)
	this.receiveMsgSize = make(map[string]int64)
	return
}

func (this *statisticalComp) Start() (err error) {
	err = this.ModuleCompBase.Start()
	this.start = time.Now()
	go this.run()
	return
}

//添加成功客户端数
func (this *statisticalComp) AddSuccClient(robot *Robot) {
	this.lock.Lock()
	this.curonlineNum++
	if this.curonlineNum > this.maxonlineNum {
		this.maxonlineNum = this.curonlineNum
	}
	this.lock.Unlock()
}

//添加失败客户端数
func (this *statisticalComp) AddFailClient(robot *Robot, err error) {
	this.failclientNum++
}

//机器人测试结束
func (this *statisticalComp) RobotFinishedTest(robot *Robot) {
	this.lock.Lock()
	this.robotdata[robot.Account()] = robot.statistics
	for k, v := range robot.receiveNum {
		this.receiveMsg[k] += v
	}
	for k, v := range robot.receiveSize {
		this.receiveMsgSize[k] += v
	}
	this.curonlineNum--
	this.succclientNum++
	this.end = time.Now()
	this.lock.Unlock()
}

//输出报表
func (this *statisticalComp) OutReport() {
	var (
		messagestime     map[string][]int64 = make(map[string][]int64)
		requestsize      map[string]int64   = make(map[string]int64)
		receive          map[string]int32   = make(map[string]int32)
		receiveSize      map[string]int64   = make(map[string]int64)
		totalmessage     int32
		totalrequestSize int64
		totalreceive     int32
		totalreceiveSize int64
		ok               bool
	)
	this.lock.RLock()
	for _, datas := range this.robotdata {
		for _, v := range datas {
			totalmessage++
			if _, ok = messagestime[v.message]; !ok {
				messagestime[v.message] = make([]int64, 0)

			}
			messagestime[v.message] = append(messagestime[v.message], v.time)
			requestsize[v.message] += v.reqsize
			totalrequestSize += v.reqsize
		}
	}
	for k, v := range this.receiveMsg {
		receive[k] = v
		totalreceive += v
	}
	for k, v := range this.receiveMsgSize {
		receiveSize[k] = v
		totalreceiveSize += v
	}
	this.lock.RUnlock()
	file, err := os.OpenFile(this.module.options.OutFilePath, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0644)
	if err != nil {
		fmt.Println(err)
		return
	}
	defer file.Close()
	file.WriteString(fmt.Sprintf("机器人总数:	 	 %d\n", this.module.options.RobotTotalNum))
	file.WriteString(fmt.Sprintf("成功数量:		 	 %d\n", this.succclientNum))
	file.WriteString(fmt.Sprintf("失败数量:		 	 %d\n", this.failclientNum))
	file.WriteString(fmt.Sprintf("最大同时在线人数:	  %d\n", this.maxonlineNum))
	file.WriteString(fmt.Sprintf("消息总请求数:	 	 %d\n", totalmessage))
	file.WriteString(fmt.Sprintf("消息总请求大小:	 %s\n", utils.FormatByesSize(totalrequestSize)))
	file.WriteString(fmt.Sprintf("消息总接收数:	 	 %d\n", totalreceive))
	file.WriteString(fmt.Sprintf("消息总接收大小:	 %s\n", utils.FormatByesSize(totalreceiveSize)))
	file.WriteString(fmt.Sprintf("压测执行时长:	 	 %.2f秒\n", this.end.Sub(this.start).Seconds()))
	file.WriteString(fmt.Sprintf("QPS:	 	 		%.2f\n", float64(totalmessage)/this.end.Sub(this.start).Seconds()))
	file.WriteString("---消息压测详情----------------------------------------------------------------------------------------------------\n")
	for message, data := range messagestime {
		sort.Slice(data, func(i, j int) bool {
			return data[i] < data[j]
		})
		reqsize := requestsize[message]
		respsize := receiveSize[message]
		max := data[len(data)-1]
		min := data[0]
		sum := int64(0)
		for _, num := range data {
			sum += num
		}
		avg := float64(sum) / float64(len(data))
		var median float64
		if len(data)%2 == 0 {
			median = float64(data[len(data)/2-1]+data[len(data)/2]) / 2.0
		} else {
			median = float64(data[len(data)/2])
		}
		file.WriteString(fmt.Sprintf("消息名:%-30s 请求次数:%-5d 请求数据:%-10s --%-2.2f%% 接收数据:%-10s --%-2.2f%% 耗时最小:%-5dms 耗时最大:%-5dms 平均耗时:%-5.2fms 中位耗时:%-5.2fms \n", message, len(data), utils.FormatByesSize(reqsize), 100*(float32(reqsize)/float32(totalrequestSize)), utils.FormatByesSize(respsize), 100*(float32(respsize)/float32(totalreceiveSize)), min, max, avg, median))
	}
	for k, v := range receive {
		if _, ok = messagestime[k]; !ok {
			file.WriteString(fmt.Sprintf("消息名:%-30s 推送次数:%-5d 数据大小:%-5s --%-2.2f%% \n", k, v, utils.FormatByesSize(receiveSize[k]), 100*(float32(receiveSize[k])/float32(totalreceiveSize))))
		}
	}
}

func (this *statisticalComp) run() {
	timer := time.NewTicker(time.Second * 10)
locp:
	for {
		select {
		case <-timer.C:
			this.OutReport()
			if this.failclientNum+this.succclientNum >= this.module.options.RobotTotalNum {
				break locp
			}
		}
	}
	timer.Stop()
	log.Debug("[机器人 WTask]")
}