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/*!
 * PostcodeX Api JS by Postcodex
 *
 * @author      Postcodex
 * @link        https://postcodex.io
 * @copyright   Copyright (c) 2020,Logicc Systems Ltd.
 * @license     Licensed under the terms of the MIT license.
 * @version     1.0.2
 */
if(!_px_jslib_included){var _px_jslib_included=1;function PostcodexApi(_init){function mergeObjects(obj1,obj2){for(var out={},obj1_keys=Object.keys(obj1),obj2_keys=Object.keys(obj2),obj_idx=0;obj_idx<obj1_keys.length;obj_idx++)out[obj1_keys[obj_idx]]=obj1[obj1_keys[obj_idx]];for(obj_idx=0;obj_idx<obj2_keys.length;obj_idx++)out[obj2_keys[obj_idx]]=obj2[obj2_keys[obj_idx]];return out}this.options={lookup_url:"https://api.postcodex.io/public/postcode/lookups",selector_type:"id",pcx_output:"pcx_output",pcx_input:"pcx_input",pcx_postcode:"pcx_postcode",pcx_posttown:"pcx_posttown",pcx_dependentlocality:"pcx_dependentlocality",pcx_doubledependentlocality:"pcx_doubledependentlocality",pcx_thoroughfare:"pcx_thoroughfare",pcx_dependentthoroughfare:"pcx_dependentthoroughfare",pcx_buildingnumber:"pcx_buildingnumber",pcx_buildingname:"pcx_buildingname",pcx_subbuildingname:"pcx_subbuildingname",pcx_pobox:"pcx_pobox",pcx_departmentname:"pcx_departmentname",pcx_organisationname:"pcx_organisationname",pcx_udprn:"pcx_udprn",pcx_postcodetype:"pcx_postcodetype",pcx_suorganisationidentifier:"pcx_suorganisationidentifier",pcx_deliverypointsuffix:"pcx_deliverypointsuffix",pcx_addressline1:"pcx_addressline1",pcx_addressline2:"pcx_addressline2",pcx_addressline3:"pcx_addressline3",pcx_addressline4:"pcx_addressline4",pcx_addressdescription:"pcx_addressdescription"},this.currentOtions={},this.token="",this.result=[],this.response_fields=["postcode","postTown","dependentLocality","doubleDependentLocality","thoroughfare","dependentThoroughfare","buildingNumber","buildingName","subBuildingName","poBox","departmentName","organisationName","udprn","postcodeType","suOrganisationIdentifier","deliveryPointSuffix","addressLine1","addressLine2","addressLine3","addressLine4","addressDescription"],_init&&Object.keys(_init)&&Object.keys(_init).length&&(_init.token&&(this.token=_init.token),_init.postcodeLookupOptions&&Object.keys(_init.postcodeLookupOptions).length&&(this.options=mergeObjects(this.options,_init.postcodeLookupOptions))),this.set=function(key,val){this.options[key]=val},this.getElem=function(key){var el_sel=null;key=key||"pcx_input",el_sel=this.currentOtions[key];var el=null,type=this.currentOtions.selector_type;switch(el_sel&&el_sel.length&&"#"===el_sel[0]&&(type="id",el_sel=el_sel.substr(1)),type){case"name":el=document.getElementsByName(el_sel)[0];break;case"id":default:el=document.getElementById(el_sel)}return el},this.fillElems=function(idx){if(idx<=0)return!1;for(var addr=this.result[idx-1],values={},i=0;i<this.response_fields.length;i++){var addrKey=this.response_fields[i];values["pcx_"+addrKey.toString().toLowerCase()]=addr[addrKey]}var keys=Object.keys(values);for(i=0;i<keys.length;i++){var key=keys[i],val=values[key],el=this.getElem(key);el&&(el.value=val)}},this.postcodeLookup=function(){if(arguments&&arguments.length)switch(arguments[0]){case"wire":this.postcodeLookup.wire(arguments[1]);break;case"perform":this.postcodeLookup.perform(arguments[1],arguments[2]);break;case"handle":this.postcodeLookup.handle(arguments[1]);break;default:console.log("no option")}},this.postcodeLookup.handle=function(options){options&&Object.keys(options).length&&(this.currentOtions=mergeObjects(this.options,options)),this.handleLookup()}.bind(this),this.postcodeLookup.wire=function(options){this.currentOtions.selector_type=options&&options.selector_type,this.currentOtions.button=options&&options.button,this.getElem("button").onclick=function(){options&&Object.keys(options).length&&(this.currentOtions=mergeObjects(this.options,options)),this.handleLookup()}.bind(this)}.bind(this),this.postcodeLookup.perform=function(options,cb){options&&Object.keys(options).length&&(this.currentOtions=mergeObjects(this.options,options)),this.retrievePostcodexCB=cb,this.handleLookup(!0)}.bind(this),this.handleLookup=function(hasCB){var pc=null,pc_e=this.getElem("pcx_input");this.obj_idx;if(!pc_e)return this.handleShowMessage("error","No input wired"),!1;if(!(pc=pc_e.value)||!pc.length)return hasCB?this.retrievePostcodexCB(null):this.handleShowMessage("warn","Please provide a Postcode"),!1;var xhr=new XMLHttpRequest;xhr.withCredentials=!0;var url="";url+=this.currentOtions.lookup_url,url+="?postcode="+pc,xhr.open("GET",url),xhr.setRequestHeader("X-AUTH-TOKEN",this.token),xhr.withCredentials=!1,xhr.onload=function(){200===xhr.status?(this.result=JSON.parse(xhr.response),hasCB?this.retrievePostcodexCB(this.result):this.fillOutSelect(!0)):hasCB?this.retrievePostcodexCB({error:xhr.status+" "+xhr.statusText}):this.handleShowMessage("error","There was an error calling the api ("+xhr.status+" "+xhr.statusText+")")}.bind(this),xhr.onerror=function(){hasCB?this.retrievePostcodexCB({error:"There was an error calling the api"}):this.handleShowMessage("error","There was an error calling the api")}.bind(this),xhr.send()},this.fillOutSelect=function(status){if(this.result&&this.result.length){var px_out=this.getElem("pcx_output");px_out.innerHTML="";var cs=document.createElement("select");cs.onchange=function(){this.fillElems(cs.selectedIndex)}.bind(this),(opt=document.createElement("option")).setAttribute("value",0),opt.innerHTML="Choose one",cs.append(opt);for(var r_idx=0;r_idx<this.result.length;r_idx++){var opt;(opt=document.createElement("option")).setAttribute("value",r_idx),opt.append(this.result[r_idx].addressDescription),cs.append(opt)}cs.style.width="100%";var sp=document.createElement("span");sp.innerHTML="Please choose an address:",sp.style.display="inline-block",sp.style.marginBottom=".5rem",px_out.append(sp),px_out.append(cs)}else this.handleShowMessage("info","No results found")},this.handleShowMessage=function(level,message){var px_out=this.getElem("pcx_output");px_out.innerHTML="";var sp=document.createElement("span");switch(level){case"error":sp.style.color="red";break;case"warn":sp.style.color="orange";break;case"info":default:sp.style.color="blue"}sp.innerHTML=message,px_out.append(sp)}}PostcodexApi.factory=function(_init){return new PostcodexApi(_init)},window.PostcodexApi=PostcodexApi}}]);