package service_test

import (
	"fmt"
	"sync"
	"time"

	"apigo.cc/gojs"
	_ "apigo.cc/gojs/console"
	_ "apigo.cc/gojs/http"
	"apigo.cc/gojs/service"
	_ "apigo.cc/gojs/service"
	_ "apigo.cc/gojs/util"
	"github.com/ssgo/discover"
	"github.com/ssgo/httpclient"
	"github.com/ssgo/u"

	//"go.uber.org/goleak"
	//_ "net/http/pprof"
	"runtime"
	"testing"
)

var rt2 *gojs.Runtime
var addrByPool = ""

const runTimes2 = 100

//func TestMain(m *testing.M) {
//	// Verify no goroutines are leaked after tests
//	goleak.VerifyTestMain(m)
//}

func TestStartByPool(t *testing.T) {
	//go func() {
	//	fmt.Println(u.BYellow(http.ListenAndServe("localhost:6060", nil)))
	//}()

	gojs.ExportForDev()
	rt2 = gojs.New()
	err := rt2.StartFromFile("start.js")
	if err != nil {
		t.Fatal("start failed", err)
	}
	r, err := rt2.RunMain()
	if err != nil {
		t.Fatal("start failed", err)
	}
	addrByPool = u.String(r)
	discover.SetNode("user", addrByPool, 100)
}

// TODO Caller
// TODO WS

// func TestWS(t *testing.T) {
// 	r, err := rt2.RunCode("testWS()")
// 	if err != nil {
// 		t.Fatal("test ws failed, got error", err)
// 	} else if r != true {
// 		t.Fatal("test ws failed", r, err)
// 	} else {
// 		fmt.Println(u.BGreen("test ws success"))
// 	}
// }

func TestSession(t *testing.T) {
	r, err := rt2.RunCode("testUser()")
	if err != nil {
		t.Fatal("test user failed, got error", err, r)
	} else if r != true {
		t.Fatal("test user failed", r)
	}
}

func TestJsEchoByPool(t *testing.T) {
	for i := 0; i < runTimes2; i++ {
		name := u.UniqueId()
		r, err := rt2.RunCode("test2('" + name + "')")
		if err != nil {
			t.Fatal("test js get failed, got error", err)
		} else if r != name {
			t.Fatal("test js get failed, name not match", r, name)
		}
	}
}

func TestGoEchoByPool(t *testing.T) {
	hc := httpclient.GetClientH2C(0)
	for i := 0; i < runTimes2; i++ {
		name := u.UniqueId()
		r := hc.Get("http://" + addrByPool + "/echo2?name=" + name)
		if r.Error != nil {
			t.Fatal("test go get failed, got error", r.Error)
		} else if r.String() != name {
			t.Fatal("test go get failed, name not match", r, name)
		}
	}
}

func TestJsAsyncEchoByPool(t *testing.T) {
	ch := make(chan bool, runTimes2)
	t1 := time.Now().UnixMilli()
	for i := 0; i < runTimes2; i++ {
		go func() {
			name := u.UniqueId()
			r, err := rt2.RunCode("test2('" + name + "')")
			ch <- true
			if err != nil {
				t.Fatal("test js async get failed, got error", err)
			} else if r != name {
				t.Fatal("test js async get failed, name not match", r, name)
			}
		}()
	}
	for i := 0; i < runTimes2; i++ {
		<-ch
	}
	t2 := time.Now().UnixMilli() - t1
	fmt.Println(u.BGreen("js async test time:"), t2, "ms")
}

func TestGoAsyncEchoByPool(t *testing.T) {
	//defer goleak.VerifyNone(t)
	hc := httpclient.GetClientH2C(0)
	const taskNum = 100
	const taskRunTimes = 100

	for j := 0; j < 10; j++ {
		ch := make(chan bool, taskNum*taskRunTimes)
		t1 := time.Now().UnixMilli()
		//for j := 0; j < 10; j++ {

		ms1 := runtime.MemStats{}
		runtime.ReadMemStats(&ms1)

		okNum := 0
		failedNum := 0
		startNum := 0
		endNum := 0
		lastName := fmt.Sprint("Task_", taskNum-1, "_", taskRunTimes-1)
		lastResult := ""
		lastOK := false
		okMap := map[string]int{}
		okMapLock := sync.Mutex{}
		for i1 := 0; i1 < taskNum; i1++ {
			name1 := fmt.Sprint("Task_", i1, "_")
			go func() {
				for i2 := 0; i2 < taskRunTimes; i2++ {
					name := fmt.Sprint(name1, i2)
					okMapLock.Lock()
					okMap[name] = 1
					startNum++
					okMapLock.Unlock()
					r := hc.Get("http://" + addrByPool + "/echo2?name=" + name)
					okMapLock.Lock()
					if name == lastName {
						lastResult = r.String()
						lastOK = lastName == lastResult
					}
					if r.Error != nil {
						failedNum++
						t.Fatal("test go async get failed, got error", r.Error)
					} else if r.String() != name {
						failedNum++
						t.Fatal("test go async get failed, name not match", r, name)
					} else {
						okMap[name] = 2
						okNum++
					}
					endNum++
					okMapLock.Unlock()
					ch <- true
				}
			}()
		}
		for i := 0; i < taskNum*taskRunTimes; i++ {
			<-ch
		}
		for i1 := 0; i1 < taskNum; i1++ {
			for i2 := 0; i2 < taskRunTimes; i2++ {
				name := fmt.Sprint("Task_", i1, "_", i2)
				if okMap[name] != 2 {
					fmt.Println(i1, i2, okMap[name])
				}
			}
		}
		if okNum != taskNum*taskRunTimes {
			t.Fatal("test go async get failed, ok num is error", okNum, taskNum*taskRunTimes, failedNum, "|", startNum, ">", endNum, "||", lastName, lastResult, lastOK)
		}
		t2 := time.Now().UnixMilli() - t1
		fmt.Println(u.Green("go async test time:"), u.BGreen(t2), "ms")
		for k, status := range service.GetPoolStatus() {
			fmt.Println(u.Magenta(k), u.Magenta("total"), u.BMagenta(status.Total), u.Magenta("maxTotal"), u.BMagenta(status.MaxTotal), u.Magenta("createTimes"), u.BMagenta(status.CreateTimes), u.Magenta("maxWaiting"), u.BMagenta(status.MaxWaiting))
		}
		//fmt.Println(u.BGreen("last name:"), lastName, lastResult, lastOK)
		if !lastOK {
			t.Fatal("test go async get failed, last name not match", lastName, lastResult, lastOK)
		}

		ms2 := runtime.MemStats{}
		runtime.ReadMemStats(&ms2)

		runtime.GC()
		ms3 := runtime.MemStats{}
		runtime.ReadMemStats(&ms3)
		fmt.Println(u.Cyan("MEMORY >>"), u.BCyan(fmt.Sprintln(ms1.HeapInuse/1000000, ms2.HeapInuse/1000000, ms3.HeapInuse/1000000)))
	}
	//hc.Destroy()
	//time.Sleep(1000 * time.Second)
}

func TestStopByPool(t *testing.T) {
	_, err := rt2.RunCode("s.stop()")
	if err != nil {
		t.Fatal("stop failed", err)
	}
	gojs.WaitAll()

	runtime.GC()
	ms3 := runtime.MemStats{}
	runtime.ReadMemStats(&ms3)
	fmt.Println(u.Cyan("END MEMORY >>"), u.BCyan(ms3.HeapInuse/1000000))
}