//+build !android

package main

import (
	"bytes"
	"os/exec"
	"time"

	"github.com/go-gl/gl/v3.2-core/gl"
	"github.com/go-gl/glfw/v3.2/glfw"
	//"github.com/golang-ui/nuklear/nk"
	"gitlab.wow.st/gmp/nuklear/nk"
)

var (
	win *glfw.Window
)

const (
	datadir = "./"
	fontSize = 24
)

func platformInit() {
	return
}

func mkWin() {
	var err error
        if err = glfw.Init(); err != nil {
                log(Fatal, err)
        }
        glfw.WindowHint(glfw.ContextVersionMajor, 3)
        glfw.WindowHint(glfw.ContextVersionMinor, 2)
        glfw.WindowHint(glfw.OpenGLProfile, glfw.OpenGLCoreProfile)
        glfw.WindowHint(glfw.OpenGLForwardCompatible, glfw.True)
        win, err = glfw.CreateWindow(initWidth, initHeight, "Commute", nil, nil)
        if err != nil {
                log(Fatal, err)
        }
	win.MakeContextCurrent()

	width, height := win.GetSize()
	log(Info, "created window ", width, "x", height)

	if err := gl.Init(); err != nil {
		log(Fatal,"opengl: init failed: ", err)
	}
	gl.Viewport(0,0, int32(width), int32(height))

	ctx = nk.NkPlatformInit(win, nk.PlatformInstallCallbacks)

	loadFont()
}

func Terminate() {
	glfw.Terminate()
}

func PollEvents() {
	glfw.PollEvents()
}

func GetSize() (width, height int) {
	return win.GetSize()
}

func SwapBuffers() {
	win.SwapBuffers()
}

func eventloop() {
	for {
//		if nk.Animate() && lastY != y {
		if lastY != y {
			glfw.WaitEventsTimeout(float64(1/60))
		} else {
			time.Sleep(time.Second/60)
			glfw.WaitEventsTimeout(float64(1))
		}
		gfxMain()
		glfw.WaitEventsTimeout(float64(1/60))
		gfxMain()
		if win.ShouldClose() {
			break
		}
	}
}

func BackButton(s string) bool {
	return button(s)
}


func Clip(x string) {
	b := bytes.NewBuffer([]byte(x))
	cmd := exec.Command("pbcopy")
	cmd.Stdin = b
	cmd.Run()
}