package joystick

import (
	"testing"
	"time"

	"github.com/hybridgroup/go-sdl2/sdl"
	"github.com/hybridgroup/gobot"
)

func initTestJoystickDriver() *JoystickDriver {
	a := NewJoystickAdaptor("bot")
	a.connect = func(j *JoystickAdaptor) {
		j.joystick = &testJoystick{}
	}
	a.Connect()
	d := NewJoystickDriver(a, "bot", "./configs/xbox360_power_a_mini_proex.json")
	d.poll = func() sdl.Event {
		return new(interface{})
	}
	return d
}

func TestJoystickDriver(t *testing.T) {
	defer func() {
		r := recover()
		if r != nil {
			gobot.Assert(t, "File error: open ./fake_config.json: no such file or directory\n", r)
		} else {
			t.Errorf("Did not return Unknown Event error")
		}
	}()
	NewJoystickDriver(NewJoystickAdaptor("bot"), "bot", "./fake_config.json")
}
func TestJoystickDriverStart(t *testing.T) {
	d := initTestJoystickDriver()
	d.SetInterval(1 * time.Millisecond)
	gobot.Assert(t, d.Start(), nil)
	<-time.After(2 * time.Millisecond)
}

func TestJoystickDriverHalt(t *testing.T) {
	d := initTestJoystickDriver()
	gobot.Assert(t, d.Halt(), nil)
}

func TestJoystickDriverHandleEvent(t *testing.T) {
	sem := make(chan bool)
	d := initTestJoystickDriver()
	d.handleEvent(&sdl.JoyAxisEvent{
		Which: 0,
		Axis:  0,
		Value: 100,
	})
	gobot.On(d.Event("left_x"), func(data interface{}) {
		gobot.Assert(t, int16(100), data.(int16))
		sem <- true
	})
	<-sem
	d.handleEvent(&sdl.JoyButtonEvent{
		Which:  0,
		Button: 2,
		State:  1,
	})
	gobot.On(d.Event("x_press"), func(data interface{}) {
		sem <- true
	})
	select {
	case <-sem:
	case <-time.After(10 * time.Millisecond):
		t.Errorf("Button Event \"x_press\" was not published")
	}
	d.handleEvent(&sdl.JoyButtonEvent{
		Which:  0,
		Button: 2,
		State:  0,
	})
	gobot.On(d.Event("x_release"), func(data interface{}) {
		sem <- true
	})
	select {
	case <-sem:
	case <-time.After(10 * time.Millisecond):
		t.Errorf("Button Event \"x_release\" was not published")
	}
	d.handleEvent(&sdl.JoyHatEvent{
		Which: 0,
		Hat:   0,
		Value: 4,
	})
	gobot.On(d.Event("down"), func(data interface{}) {
		sem <- true
	})
	select {
	case <-sem:
	case <-time.After(10 * time.Millisecond):
		t.Errorf("Hat Event \"down\" was not published")
	}

	err := d.handleEvent(&sdl.JoyHatEvent{
		Which: 0,
		Hat:   99,
		Value: 4,
	})

	gobot.Assert(t, err.Error(), "Unknown Hat: 99 4")

	err = d.handleEvent(&sdl.JoyAxisEvent{
		Which: 0,
		Axis:  99,
		Value: 100,
	})

	gobot.Assert(t, err.Error(), "Unknown Axis: 99")

	err = d.handleEvent(&sdl.JoyButtonEvent{
		Which:  0,
		Button: 99,
		State:  0,
	})

	gobot.Assert(t, err.Error(), "Unknown Button: 99")
}