import { VisibilityRulesService } from '../visibility-rules/visibility-rules.service';
import { TestModel } from '../testModel/testmodel';
import { DatasetModel } from '../models/DatasetModel';
import { Rule } from '../models/Rule';

import { JsonSerializer } from '../utilities/JsonSerializer';
import { Component, Input, OnInit, AfterViewChecked, ViewChild, forwardRef } from '@angular/core';
import { FormGroup, Validators, ControlValueAccessor, NG_VALUE_ACCESSOR } from '@angular/forms';
import { NgForm } from '@angular/forms';
import { Router, ActivatedRoute, ParamMap, Params } from '@angular/router';
import 'rxjs/add/operator/switchMap';

//import { FieldBase } from '../../app/form/fields/field-base';
import { FieldControlService } from '../../app/services/field-control.service';
import { ServerService } from '../../app/services/server.service';
import { PaginationService } from '../../app/services/pagination.service';
import { TokenService, TokenProvider } from '../services/login/token.service';
import { ModalComponent } from '../modal/modal.component';

import {Location} from '@angular/common';

import { AngularDraggableModule } from 'angular2-draggable';

import {MenuItem} from 'primeng/primeng';

import {PDFService} from '../services/transformers/pdf.service';

import './../../assets/xml2json.min.js';
declare var X2JS: any;

var flatten = require('flat');
declare var $ :any;


import * as scroll from '../../assets/jquery.scrollTo.min.js';


import '../../assets/custom.js';
declare function simple_notifier(type: string, title: string, message:string): any;


//import '../../assets/perfect-scrollbar/perfect-scrollbar.js';
declare var PerfectScrollbar : any;

@Component({
  selector: 'dynamic-form',
  templateUrl: './dynamic-form.component.html',
  styleUrls: [
    './dynamic-form.component.css', 
    '../../assets/perfect-scrollbar/perfect-scrollbar.css'
  ],
  providers: [
    FieldControlService, ServerService
  ]
})
export class DynamicFormComponent implements OnInit {

  @Input() dataModel: DatasetModel = new DatasetModel();
  form: FormGroup;
  payLoad = '';
  @Input() dirtyValues: number = 0;
  // pagination object
  @Input() pagination: any = {};
  finalizeStatus:boolean = false;
  id: string;
  datasetId: string;
  pathName:string;
  //datasetProperties:string; 

  private fragment: string;
  xml2jsonOBJ: any;

  expandedToc : boolean = true;


  constructor(private qcs: FieldControlService, private serverService: ServerService, private router: Router, private pdfService : PDFService,
    private _location: Location, private route: ActivatedRoute, private pagerService: PaginationService, private tokenService: TokenService,private visibilityRulesService:VisibilityRulesService) {
    this.form = this.qcs.toFormGroup(new Array(), new Array());
    this.xml2jsonOBJ = new X2JS();
  }

  getSubForm(subformName) {
    return this.form.controls[subformName];
  }


  ngOnInit() {
    this.dataModel = new JsonSerializer<DatasetModel>().fromJSONObject(TestModel,DatasetModel);
    this.form = this.dataModel.buildForm();
    this.visibilityRulesService.formGroup = this.form;
    let rules:Rule[] = new JsonSerializer<Rule>().fromJSONArray(TestModel.rules,Rule);
    this.visibilityRulesService.buildVisibilityRules(rules) 
  }

  /* scrollToElemID(elemID) {
    scroll("#" + elemID);
  }


  private patchForm(flatList: any) {

    
    for (var prop in flatList) {
      if (flatList.hasOwnProperty(prop)) {
        if (prop.endsWith('.id') || prop.endsWith('.answer') || prop.endsWith('.value')) continue;
        //console.log("updating value of "+prop +" to "+flatList[prop].valueOf())
        this.form.get(prop).setValue(flatList[prop].valueOf());
      }
    }
    
  }

  ngAfterViewChecked(): void { //navigate to certain section of the page
    try {
      document.querySelector('#' + this.fragment).scrollIntoView();
    } catch (e) { }
  }

  submitForm(final){
    debugger;
    this.serverService.getDatasetByID(this.datasetId).subscribe(
      (data) => {
        if (final) data.status = 2;
        
        //data.properties = "<root><formValues><![CDATA["+JSON.stringify(this.form.value)+"]]></formValues><dataModel><![CDATA["+JSON.stringify(this.dataModel)+"]]></dataModel></root>";
        data.properties = JSON.stringify(this.form.value);

        data.profile = {"id": data.profile.id};

        this.serverService.setDataset(data).subscribe(
          (data) => {
             
            console.log("Updated dataset");  
            
            if (final){
              this._location.back();
              simple_notifier("success",null,"Finalized form progress");
            }
            else{
              simple_notifier("success",null,"Saved form progress");
            }

          },
          (err) => {
            simple_notifier("danger",null,"Could not save form progress");
          });
      },
      (err) => {
        simple_notifier("danger",null,"Could not save form progress");
      });
  }

  SaveForm() {
    let final = false;
    this.submitForm(false);

    this.payLoad = JSON.stringify(this.form.value);
  }

  SaveFinalizeForm(){
    $("#confirmModal").modal("hide");
    let final = true;
    this.submitForm(final);
  }

  shouldIShow(element) { //pagination , pages are declared in xml for every groupfield
    
    if (this.pagination.currentPage == element.page){
      return true;
    }
  else 
     return false;

   }

  setPage(page: number) {

    if (page < 1 || page > this.pagination.totalPages) {
      return;
    }
    var pagesize = 4;
    // get pagination object from service
    this.pagination = this.pagerService.getPagination(this.dataModel.groups, this.dataModel.groups.length, page, pagesize);

    //get current page of items
    // this.dataModel.sections.forEach(section => {
    //   if (section.groupFields.length > 0) {
    //     section.groupFields = this.dataModel.groups.slice(this.pagination.startIndex, this.pagination.endIndex + 1);
    //   }
    // });
    //this.dataModel.groups = this.dataModel.groups.slice(this.pagination.startIndex, this.pagination.endIndex + 1);
  }


  toggleTOC(){
    this.expandedToc = !this.expandedToc;
  }
 */

  createPDF(elementID : string, pdffilename : string){
    this.pdfService.toPDF(elementID, pdffilename);
  }


}