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function getStringBetween(string,start,end){return string.split(start).pop().split(end)[0];}
const LOPOLIS_URL="https://lopolis.gimb.tk/";const LOPOLISC_ERR_NET="LOPOLSIC NETWORK ERROR (ajax error)";const LOPOLISC_ERR_NET_POSTBACK_GET="LOPOLISC NETWORK ERROR (ajax error) in postback GET"
const LOPOLISC_ERR_NET_POSTBACK_POST="LOPOLISC NETWORK ERROR (ajax error) in postback POST"
const LOPOLISC_ERR_LOGIN="LOPOLISC LOGIN ERROR";const LOPOLISC_ERR_NOTAPPLIED="LOPOLISC DATA NOT APPLIED ERROR"
const LOPOLISC_SIGNATURE="lopolisc.js neuradni API - anton<at>sijanec.eu"
class lopolisc{constructor(){}
parseAndPost(inputHTML,userParams,formId=null,useDiffAction=null){return new Promise((resolve,reject)=>{let parser=new DOMParser();let parsed=parser.parseFromString(inputHTML,"text/html");var form;if(formId==null){form=parsed.getElementsByTagName("form")[0];}else{form=parsed.getElementById(formId);}
var params={};var otherParams=$(form).serializeArray();for(const input of otherParams){if(!(input.name in params)){params[input.name]=input.value;}}
for(const[key,value]of Object.entries(userParams)){params[key]=value;}
var action;if(useDiffAction==null||useDiffAction==false){action=new URL($(form).attr("action"),LOPOLIS_URL);}else{action=useDiffAction;}
params["programska-oprema"]=LOPOLISC_SIGNATURE;$.ajax({xhrFields:{withCredentials:true},crossDomain:true,url:action,cache:false,type:"POST",data:params,dataType:"text",success:(postData,textStatus,xhr)=>{resolve({data:postData,textStatus:textStatus,code:xhr.status});},error:()=>{reject(new Error(LOPOLISC_ERR_NET_POSTBACK_POST));}});});}
postback(getUrl,params={},formId=null,useDiffAction=null){return new Promise((resolve,reject)=>{$.ajax({xhrFields:{withCredentials:true},crossDomain:true,url:getUrl,cache:false,type:"GET",dataType:"html",success:(data)=>{if(useDiffAction==true){useDiffAction=getUrl;}
this.parseAndPost(data,params,formId,useDiffAction).then((value)=>{resolve(value);});},error:()=>{reject(new Error(LOPOLISC_ERR_NET_POSTBACK_GET));}});});}
login(usernameToLogin,passwordToLogin){return new Promise((resolve,reject)=>{var dataToSend={"Uporabnik":usernameToLogin,"Geslo":passwordToLogin,"OsveziURL":"https://pornhub.com/\"; lopolis=\"boljsi od easistenta",};this.postback(LOPOLIS_URL+"Uporab/Prijava",dataToSend,null,true).then((response)=>{let parser=new DOMParser();let parsed=parser.parseFromString(response.data,"text/html");if(parsed.getElementById("divPrijavaOsvezi")!=null){resolve(true);}
reject(new Error(LOPOLISC_ERR_LOGIN));});});}
fetchCheckouts(date_object=null){if(date_object==null){date_object=new Date();}
return new Promise((resolve,reject)=>{var dataToSend={"MesecModel.Mesec":String(date_object.getMonth()+1),"MesecModel.Leto":String(date_object.getFullYear()),"Ukaz":""};this.postback(LOPOLIS_URL+"Prehrana/Odjava",dataToSend,null,true).then((response)=>{let parser=new DOMParser();let parsed=parser.parseFromString(response.data,"text/html");let checkouts={};for(const element of parsed.getElementsByTagName("tbody")[0].getElementsByTagName("tr")){let date_idx=element.getElementsByTagName("input")[2].value;checkouts[date_idx]={checked:element.getElementsByTagName("input")[0].checked,readonly:element.getElementsByTagName("input")[0].disabled,index:Number(getStringBetween(element.getElementsByTagName("input")[0].name,"[","]")),"OsebaModel.ddlOseba":parsed.getElementsByTagName("option")[0].value,"OsebaModel.OsebaID":parsed.getElementById("OsebaModel_OsebaID").value,"OsebaModel.OsebaTipID":parsed.getElementById("OsebaModel_OsebaTipID").value,"OsebaModel.UstanovaID":parsed.getElementById("OsebaModel_UstanovaID").value,"MesecModel.Mesec":parsed.getElementById("MesecModel_Mesec").value,"MesecModel.Leto":parsed.getElementById("MesecModel_Leto").value}
checkouts[date_idx][element.getElementsByTagName("input")[2].name]=String(element.getElementsByTagName("input")[2].value);checkouts[date_idx][element.getElementsByTagName("input")[3].name]=String(element.getElementsByTagName("input")[3].value);checkouts[date_idx][element.getElementsByTagName("input")[4].name]=String(element.getElementsByTagName("input")[4].value);}
resolve(checkouts);});});}
setCheckouts(odjava_objects){return new Promise((resolve,reject)=>{var dataToSend={"Ukaz":"Shrani"};for(const[odjava_da,odjava_object]of Object.entries(odjava_objects)){for(const[index,property]of Object.entries(odjava_object)){dataToSend[index]=property;}
dataToSend["OdjavaItems["+odjava_object.index+"].CheckOut"]=String(odjava_object.checked);}
this.postback(LOPOLIS_URL+"Prehrana/Odjava",dataToSend,null,true).then((response)=>{let parser=new DOMParser();let parsed=parser.parseFromString(response.data,"text/html");for(const[od_date,odjava_object]of Object.entries(odjava_objects)){if(!(parsed.getElementById("OdjavaItems_"+odjava_object.index+"__CheckOut").checked==odjava_object.checked)){reject(LOPOLISC_ERR_NOTAPPLIED);}}
resolve(true);});});}
fetchMeals(date_object=null){if(date_object==null){date_object=new Date();}
return new Promise((resolve,reject)=>{var meals={};var dataToSend={"Ukaz":"","MesecModel.Mesec":String(date_object.getMonth()+1),"API-METODA":"fetchMeals","MesecModel.Leto":String(date_object.getFullYear())}
this.postback(LOPOLIS_URL+"Prehrana/Prednarocanje",dataToSend,null,true).then((response)=>{let parser=new DOMParser();let parsed=parser.parseFromString(response.data,"text/html");for(const element of parsed.getElementsByTagName("tbody")[0].getElementsByTagName("tr")){let menuoptions=[];let is_any_selected=false;for(const opt of element.getElementsByTagName("select")[0].options){if(opt.value.length>0||1==1){menuoptions.push({value:opt.value,text:opt.innerText,selected:opt.selected});}
if(opt.selected){is_any_selected=true;}}
if(!is_any_selected){menuoptions[0].selected=true;}
let date_idx=element.getElementsByTagName("input")[0].value;meals[date_idx]={meal:element.getElementsByTagName("td")[1].innerText.trim(),"menu-type":element.getElementsByTagName("td")[2].innerText.trim(),location:element.getElementsByTagName("td")[3].innerText.trim(),readonly:element.getElementsByTagName("select")[0].disabled,menu_options:menuoptions,index:Number(getStringBetween(element.getElementsByTagName("input")[0].name,"[","]")),"OsebaModel.ddlOseba":parsed.getElementsByTagName("option")[0].value,"OsebaModel.OsebaID":parsed.getElementById("OsebaModel_OsebaID").value,"OsebaModel.OsebaTipID":parsed.getElementById("OsebaModel_OsebaTipID").value,"OsebaModel.UstanovaID":parsed.getElementById("OsebaModel_UstanovaID").value,"MesecModel.Mesec":parsed.getElementById("MesecModel_Mesec").value,"MesecModel.Leto":parsed.getElementById("MesecModel_Leto").value}
meals[date_idx][element.getElementsByTagName("input")[0].name]=String(element.getElementsByTagName("input")[0].value);meals[date_idx][element.getElementsByTagName("input")[1].name]=String(element.getElementsByTagName("input")[1].value);meals[date_idx][element.getElementsByTagName("input")[2].name]=String(element.getElementsByTagName("input")[2].value);}
resolve(meals);});});}
setMeals(meal_objects){return new Promise((resolve,reject)=>{var dataToSend={"Ukaz":"Shrani"};for(const[meal_date,meal_object]of Object.entries(meal_objects)){for(const[index,property]of Object.entries(meal_object)){dataToSend[index]=String(property);}
for(const menu_option of meal_object.menu_options){if(menu_option.selected){dataToSend["PrednarocanjeItems["+meal_object.index+"].MeniIDSkupinaID"]=menu_option.value;}}}
this.postback(LOPOLIS_URL+"Prehrana/Prednarocanje",dataToSend,null,true).then((response)=>{let parser=new DOMParser();let parsed=parser.parseFromString(response.data,"text/html");for(const[meal_date,meal_object]of Object.entries(meal_objects)){let selected_value;for(const menu_option of meal_object.menu_options){if(menu_option.selected){selected_value=menu_option.value;}}
if(!(parsed.getElementById("PrednarocanjeItems_"+meal_object.index+"__MeniIDSkupinaID").selectedOptions[0].value==selected_value)){reject(LOPOLISC_ERR_NOTAPPLIED);}}
resolve(true);});});}}
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