package tree

import (
	"errors"
	"sync"

	"go.wit.com/log"
	"go.wit.com/widget"
)

var muAction sync.Mutex

func (me *TreeInfo) catchActionChannel() {
	defer func() {
		if r := recover(); r != nil {
			log.Warn(me.PluginName, "tree YAHOOOO Recovered in simpleStdin()", r)
			me.SendToolkitPanic()
			panic(-1)
		}
	}()
	log.Log(TREE, "catchActionChannel() START")
	for {
		log.Log(TREE, "catchActionChannel() for loop")
		select {
		case a := <-me.pluginChan:
			log.Verbose("catchActionChannel() on ", a.WidgetId, a.WidgetType, a.ProgName)
			muAction.Lock()
			if me.ActionFromChannel == nil {
				log.Error(errors.New("toolkit ActionFromChannel == nil"), a.WidgetId, a.ActionType, a.WidgetType)
			} else {
				// send this to the toolkit
				me.ActionFromChannel(a)
			}
			muAction.Unlock()
		}
	}
}

func New() *TreeInfo {
	me := new(TreeInfo)
	me.pluginChan = make(chan widget.Action, 1)

	/*
		full := "go.wit.com/gui"
		short := "gui"
		TREE = log.NewFlag("TREE", true, full, short, "treeRoot info")
	*/

	log.Log(TREE, "Init() start channel reciever")
	go me.catchActionChannel()
	log.Log(TREE, "Init() END")
	return me
}