define(['ko','underscore','mageUtils','uiRegistry'],function(ko,_,utils,registry){'use strict';function parseData(placeholder,data,direction){if(typeof data!=='string'){return false;}
data=data.split(':');if(!data[0]){return false;}
if(!data[1]){data[1]=data[0];data[0]=placeholder;}
return{target:data[0],property:data[1],direction:direction};}
function notEmpty(value){return typeof value!=='undefined'&&value!=null;}
function updateValue(data,owner,target,value){var component=target.component,property=target.property,linked=data.linked;if(data.mute){return;}
if(linked){linked.mute=true;}
if(owner.component!==target.component){value=data.inversionValue?!utils.copy(value):utils.copy(value);}
component.set(property,value,owner);if(property==='disabled'&&value){component.set('validate',value,owner);}
if(linked){linked.mute=false;}}
function getValue(owner){var component=owner.component,property=owner.property;return component.get(property);}
function form(ownerComponent,targetComponent,ownerProp,targetProp,direction){var result,tmp;result={owner:{component:ownerComponent,property:ownerProp},target:{component:targetComponent,property:targetProp}};if(direction==='exports'){tmp=result.owner;result.owner=result.target;result.target=tmp;}
return result;}
function setLinked(map,data){var match;if(!map){return;}
match=_.findWhere(map,{linked:false,target:data.target,property:data.property});if(match){match.linked=data;data.linked=match;}}
function setData(maps,property,data){var direction=data.direction,map=maps[direction];data.linked=false;(map[property]=map[property]||[]).push(data);direction=direction==='imports'?'exports':'imports';setLinked(maps[direction][property],data);}
function setLink(target,owner,data,property,immediate){var direction=data.direction,formated=form(target,owner,data.property,property,direction),callback,value;owner=formated.owner;target=formated.target;callback=updateValue.bind(null,data,owner,target);owner.component.on(owner.property,callback,target.component.name);if(immediate){value=getValue(owner);if(notEmpty(value)){updateValue(data,owner,target,value);}}}
function transfer(owner,data){var args=_.toArray(arguments);if(data.target.substr(0,1)==='!'){data.target=data.target.substr(1);data.inversionValue=true;}
if(owner.name===data.target){args.unshift(owner);setLink.apply(null,args);}else{registry.get(data.target,function(target){args.unshift(target);setLink.apply(null,args);});}}
return{setListeners:function(listeners){var owner=this,data;_.each(listeners,function(callbacks,sources){sources=sources.split(' ');callbacks=callbacks.split(' ');sources.forEach(function(target){callbacks.forEach(function(callback){data=parseData(owner.name,target,'imports');if(data){setData(owner.maps,callback,data);transfer(owner,data,callback);}});});});return this;},setLinks:function(links,direction){var owner=this,property,data;for(property in links){if(links.hasOwnProperty(property)){data=parseData(owner.name,links[property],direction);if(data){setData(owner.maps,property,data);transfer(owner,data,property,true);}}}
return this;}};});