/* LVSWeb 2024 API version 1.0.0 powered by Doomeye Inc. */
class API {
constructor(apiHost, token) {
 this.version = 'eyJ2ZW5kb3IiOiJEb29tZXllIEluYy4iLCJuYW1lIjoiTFZTV2ViIDIwMjQgQVBJIiwidmVyc2lvbiI6IjEuMC4wIn0=';
 this.apiHost = this.getCookie('apiHost');
 this.token = this.getCookie('token');
 if (this.apiHost==undefined) { this.apiHost=apiHost; }
 if (this.token==undefined) { this.token=token; }
 this.fafChars = [];
 for (let i=48; i<=57; i++) this.fafChars.push(String.fromCharCode(i));
 for (let i=65; i<=90; i++) this.fafChars.push(String.fromCharCode(i));
 for (let i=97; i<=112; i++) this.fafChars.push(String.fromCharCode(i));
 this.idDB = this._iniJSONSessionStorageItem('fafIDDB', {});
 this.fafDB = this._iniJSONSessionStorageItem('fafDB', {});
 this.fafQueue = this._iniJSONSessionStorageItem('fafQueue', []);
}
setCookie(e,t,i){
 var o=new Date;o.setTime(o.getTime()+1e3*i);
 var r="expires="+o.toUTCString();
 document.cookie=e+"="+t+";"+r+";path=/"
}
removeCookie(e){setCookie(e,"",-1)}
getCookie(e){
 for(var t=e+"=",i=decodeURIComponent(document.cookie).split(";"),o=0;o<i.length;o++){
  for(var r=i[o];" "==r.charAt(0);)
  r=r.substring(1);
  if(0==r.indexOf(t))
  return r.substring(t.length,r.length)
 }
}
getParameter(e){
 var t,i=window.location.search.substring(1).split("&");
 for(let o=0;o<i.length;o++)
  if((t=i[o].split("="))[0]===e) return void 0===t[1]||decodeURIComponent(t[1])
}
useURLTokenIfExists(){
 let val = this.getParameter('token'); if (val==undefined) return this;
 this.setCookie('token', val, 86400);
 this.token = this.getCookie('token');
 return this;
}
_iniJSONSessionStorageItem(name, ini) {
 if (name == 'fafDB' || name == 'fafQueue') return ini;
 if (name in window.sessionStorage) return JSON.parse(window.sessionStorage.getItem(name));
 return this._setJSONSessionStorageItem(name, ini);
}
_setJSONSessionStorageItem(name, value) {
 if (name == 'fafDB' || name == 'fafQueue') return value;
 window.sessionStorage.setItem(name, JSON.stringify(value));
 return value;
}
async verifyRemoteCompatible() {
 await this.jsondata_sdk_compatible(this.version);
}
async getResponseData(resp) {
 let json = await resp.json();
 if (json.status == "OK" && json.statusCode == 200) { return json.data; }
 console.error(JSON.stringify(json));
 throw json;
}
_generateCacheKey(hierarchyKeys) { return 'apiCache.' + hierarchyKeys.join('.'); }
getCache(hierarchyKeys) { return window.sessionStorage.getItem(this._generateCacheKey(hierarchyKeys)); }
setCache(hierarchyKeys, cachedValue) { window.sessionStorage.setItem(this._generateCacheKey(hierarchyKeys), cachedValue); }
removeCache(hierarchyKeys) { window.sessionStorage.removeItem(this._generateCacheKey(hierarchyKeys)); }
cleanCache() { Object.keys(sessionStorage).filter(k=>k.indexOf('apiCache.')==0).forEach(k=>window.sessionStorage.removeItem(k)); }
createFafRecordId() { return this._randomId('R_', 12); }
getRealId(id) {
 if (id == null) throw 'id is null';
 if (typeof id == 'number') return id;
 if (typeof id != 'string') throw 'id is not string';
 let fafRecordId = id.trim();
 if (fafRecordId.length == 0) throw 'id is empty';
 let nid = this.idDB[fafRecordId];
 if (nid == null) return null;
 if (typeof nid != 'number') throw 'id db is corrupted';
 return nid;
}
async awaitRealId(id, callback) {
 let nid = this.getRealId(id);
 if (nid != null) { if (callback != null) callback(nid, id); return; }
 const ins = this;
 setTimeout(() => { ins.awaitRealId(id, callback); }, 5000);
}

async _setFafBatchByResponse(resp) {
 let data = await this.getResponseData(resp);
 if (data.fafId == undefined) throw data;
 if (data.batchId == undefined) throw data;
 this.fafDB[data.fafId] = data.batchId;
 this._setJSONSessionStorageItem('fafDB', this.fafDB);
 let index = this.fafQueue.indexOf(data.fafId);
 if (index < 0) return;
 if (index >= this.fafQueue.length) return;
 this.fafQueue.splice(index, 1);
 this._setJSONSessionStorageItem('fafQueue', this.fafQueue);
}
_randomId(prefix, length) {
 let id = prefix;
 for (let i=0; i<length; i++) { 
  id += this.fafChars[parseInt(Math.random()*this.fafChars.length)]; 
 }
 if (this.fafDB[id] == undefined && this.idDB[id] == undefined) {
  this.fafDB[id] = '';
  this._setJSONSessionStorageItem('fafDB', this.fafDB);
  return id;
 }
 return this._randomId(length);
}
_createFafId() {
 const fafId = this._randomId('F_', 12);
 this.fafQueue.push(fafId);
 this._setJSONSessionStorageItem('fafQueue', this.fafQueue);
 return fafId;
}
_BatchRecordId(isRemoteReadyRequired, id, currentFafId) {
 if (id == null) throw 'id is null';
 if (typeof id == 'number') return id;
 if (typeof id != 'string') throw 'id is not string';
 let fafRecordId = id.trim();
 if (fafRecordId.length == 0) throw 'id is empty';
 let nid = this.idDB[fafRecordId];
 if (nid != null && typeof nid == 'number') return nid;
 if (nid != null && typeof nid != 'number') throw 'id db is corrupted';
 if (this.fafQueue[0] != currentFafId) return null;
 let fafId = this.fafDB[fafRecordId];
 if (fafId == undefined) throw 'no fafRecordId';
 if (fafId == '') this.fafDB[fafRecordId] = currentFafId;
 let batchId = this.fafDB[this.fafDB[fafRecordId]];
 if (batchId == undefined) throw 'no fafId';
 if (batchId != '') return batchId + '-' + fafRecordId;
 if (isRemoteReadyRequired) throw 'no preceding queue can fulfill the requriement';
 this._syncRealId(fafRecordId);
 return fafRecordId;
}
async _syncRealId(fafRecordId) {
 let fafId = this.fafDB[fafRecordId];
 if (fafId == undefined) throw 'no fafRecordId';
 if (fafId == '') throw 'no fafId';
 let batchId = this.fafDB[fafId];
 if (batchId == undefined) throw 'no fafId';
 const ins = this;
 if (batchId == '') { setTimeout(()=>{ ins._syncRealId(fafRecordId);}, 1000); return; }
 let data = await this.getResponseData(await fetch(`${this.apiHost}/batch/record/i/${batchId + '-' + fafRecordId}`));
 if (data.id == null) { setTimeout(()=>{ ins._syncRealId(fafRecordId);}, 10000); return; }
 this.idDB[fafRecordId] = data.id;
 this._setJSONSessionStorageItem('fafIDDB', this.idDB);
}
/**
* GET /version
*/
async jsondata_version() {
 return await this.getResponseData(await this._version());
}
async _version() {
 var url = `${this.apiHost}/version`;
 console.log('fetch '+url);
 var pairs=[];
 if (pairs.length > 0) { url += '?'; }
 url += pairs.join('&');
 return fetch(url);
}
/**
* GET /sdk/compatible
* @param (required) sdkVersion
*/
async jsondata_sdk_compatible(sdkVersion) {
 return await this.getResponseData(await this._sdk_compatible(sdkVersion));
}
async _sdk_compatible(sdkVersion) {
 var url = `${this.apiHost}/sdk/compatible`;
 console.log('fetch '+url);
 if (sdkVersion == null) throw 'requires sdkVersion';
 url += '/'+sdkVersion;
 var pairs=[];
 if (pairs.length > 0) { url += '?'; }
 url += pairs.join('&');
 return fetch(url);
}
/**
* POST /form/contact
* @param (optional) name
* @param (optional) email
* @param (optional) phone
* @param (optional) lineId
* @param (optional) fbURL
* @param (optional) sex
* @param (optional) age
* @param (optional) city
* @param (optional) remark
*/
async jsondata_form_contact(name, email, phone, lineId, fbURL, sex, age, city, remark) {
 return await this.getResponseData(await this._form_contact(name, email, phone, lineId, fbURL, sex, age, city, remark));
}
async _form_contact(name, email, phone, lineId, fbURL, sex, age, city, remark) {
 var url = `${this.apiHost}/form/contact`;
 console.log('fetch '+url);
 var bodyData = new FormData();
 if (name != null) { bodyData.append('name', name); }
 if (email != null) { bodyData.append('email', email); }
 if (phone != null) { bodyData.append('phone', phone); }
 if (lineId != null) { bodyData.append('lineId', lineId); }
 if (fbURL != null) { bodyData.append('fbURL', fbURL); }
 if (sex != null) { bodyData.append('sex', sex); }
 if (age != null) { bodyData.append('age', age); }
 if (city != null) { bodyData.append('city', city); }
 if (remark != null) { bodyData.append('remark', remark); }
 return fetch(url, {method:'POST', body: bodyData});
}
}