package client

import (
	"testing"
	"time"
)

var client *Client

func TestClientAddServer(t *testing.T) {
	t.Log("Add local server 127.0.0.1:4730")
	var err error
	if client, err = New("127.0.0.1:4730"); err != nil {
		t.Error(err)
		return
	}
	client.ErrHandler = func(e error) {
		t.Log(e)
	}
}

func TestClientEcho(t *testing.T) {
	echo, err := client.Echo([]byte("Hello world"), time.Second)
	if err != nil {
		t.Error(err)
		return
	}
	if string(echo) != "Hello world" {
		t.Errorf("Invalid echo data: %s", echo)
		return
	}
}

func TestClientDoBg(t *testing.T) {
	if handle := client.DoBg("ToUpper", []byte("abcdef"),
		JOB_LOW); handle == "" {
		t.Error("Handle is empty.")
	}
}

func TestClientDo(t *testing.T) {
	jobHandler := func(job *Job) {
		str := string(job.Data)
		if str == "ABCDEF" {
			t.Log(str)
		} else {
			t.Errorf("Invalid data: %s", job.Data)
		}
		return
	}
	if handle := client.Do("ToUpper", []byte("abcdef"),
		JOB_LOW, jobHandler); handle == "" {
		t.Error("Handle is empty.")
	} else {
		t.Log(handle)
	}
}

func TestClientStatus(t *testing.T) {

	s1, err := client.Status("handle not exists", time.Second)
	if err != nil {
		t.Error(err)
		return
	}
	if s1.Known {
		t.Errorf("The job (%s) shouldn't be known.", s1.Handle)
		return
	}
	if s1.Running {
		t.Errorf("The job (%s) shouldn't be running.", s1.Handle)
		return
	}

	handle := client.Do("Delay5sec", []byte("abcdef"), JOB_LOW, nil)
	s2, err := client.Status(handle, time.Second)
	if err != nil {
		t.Error(err)
		return
	}
	if !s2.Known {
		t.Errorf("The job (%s) should be known.", s2.Handle)
		return
	}
	if s2.Running {
		t.Errorf("The job (%s) shouldn't be running.", s2.Handle)
		return
	}
}

func TestClientClose(t *testing.T) {
	if err := client.Close(); err != nil {
		t.Error(err)
	}
}