//go:build windows

package main

import (
	"os"
	"sync"
	"testing"
	"time"
	"unsafe"
)

func requireNativeGUI(t *testing.T) {
	t.Helper()
	if os.Getenv("AP_NATIVE_GUI") != "1" {
		t.Skip("opt-in native GUI test; no process scanner is run")
	}
}
func TestNativeTrayOneExitItemAndGracefulCommand(t *testing.T) {
	requireNativeGUI(t)
	requested := make(chan struct{})
	restored := make(chan struct{})
	close(restored)
	var once sync.Once
	tr, err := newTray(func() { once.Do(func() { close(requested) }) }, restored)
	if err != nil {
		t.Fatal(err)
	}
	defer tr.Close()
	h := tr.hwnd.Load()
	count, _, _ := u32.NewProc("GetMenuItemCount").Call(tr.menu)
	if count != 1 {
		t.Fatalf("want exactly one menu item, got %d", count)
	}
	var label [32]uint16
	item := menuItemInfo{Size: uint32(unsafe.Sizeof(menuItemInfo{})), Mask: 0x40 | 0x2 | 0x80, Text: &label[0], TextLen: uint32(len(label))}
	ok, _, e := u32.NewProc("GetMenuItemInfoW").Call(tr.menu, 0, 1, uintptr(unsafe.Pointer(&item)))
	if ok == 0 {
		t.Fatal(e)
	}
	if item.ID != menuExitID || item.Bitmap == 0 || string(utf16Runes(label[:])) != "Выход" {
		t.Fatal("missing Exit label, command, or cross bitmap")
	}
	ok, _, e = pPostMessage.Call(h, 0x111, menuExitID, 0)
	if ok == 0 {
		t.Fatal(e)
	}
	select {
	case <-requested:
	case <-time.After(3 * time.Second):
		t.Fatal("Exit command did not request graceful shutdown")
	}
	if err = tr.Close(); err != nil {
		t.Fatal(err)
	}
	valid, _, _ := u32.NewProc("IsWindow").Call(h)
	if valid != 0 {
		t.Fatal("tray window leaked")
	}
}
func utf16Runes(in []uint16) []rune {
	out := []rune{}
	for _, v := range in {
		if v == 0 {
			break
		}
		out = append(out, rune(v))
	}
	return out
}