import {
  AfterViewInit,
  ChangeDetectorRef,
  Component,
  Input,
  OnChanges,
  OnDestroy,
  OnInit,
  SimpleChanges,
  ViewChild
} from "@angular/core";
import {
  Indicator,
  IndicatorPath,
  IndicatorType,
  Section,
  Stakeholder,
  Visibility
} from "../openaireLibrary/monitor/entities/stakeholder";
import {IndicatorUtils, StakeholderUtils} from "../utils/indicator-utils";
import {FormArray, FormBuilder, FormControl, FormGroup, Validators} from "@angular/forms";
import {AlertModal} from "../openaireLibrary/utils/modal/alert";
import {StatisticsService} from "../utils/services/statistics.service";
import {HelperFunctions} from "../openaireLibrary/utils/HelperFunctions.class";
import {DomSanitizer, SafeResourceUrl} from "@angular/platform-browser";
import {StakeholderService} from "../openaireLibrary/monitor/services/stakeholder.service";
import {EnvProperties} from "../openaireLibrary/utils/properties/env-properties";
import {Subscriber} from "rxjs";
import {LayoutService} from "../openaireLibrary/dashboard/sharedComponents/sidebar/layout.service";
import {Router} from "@angular/router";
import {Session} from "../openaireLibrary/login/utils/helper.class";
import {UserManagementService} from "../openaireLibrary/services/user-management.service";

declare var UIkit;

@Component({
  selector: 'indicators',
  templateUrl: './indicators.component.html',
  styleUrls: ['indicators.component.css']
})
export class IndicatorsComponent implements OnInit, OnDestroy, OnChanges, AfterViewInit {
  
  @Input()
  public properties: EnvProperties = null;
  @Input()
  public topicIndex: number = 0;
  @Input()
  public categoryIndex: number = 0;
  @Input()
  public subcategoryIndex: number = 0;
  public stakeholder: Stakeholder = null;
  public user = null;
  public preview: string;
  public indicatorUtils: IndicatorUtils = new IndicatorUtils();
  public stakeholderUtils: StakeholderUtils = new StakeholderUtils();
  public numberIndicatorFb: FormGroup;
  public chartIndicatorFb: FormGroup;
  public chartSections: FormArray;
  public numberSections: FormArray;
  /**
   * Editable indicator
   */
  public section: Section;
  public indicator: Indicator;
  public index: number = -1;
  /**
   * Displayed chart and numbers base on Top filters
   */
  public displayCharts: Section[] = [];
  public displayNumbers: Section[] = [];
  /**
   * Top filters
   */
  @Input()
  public filters: FormGroup;
  /**
   * Toggles
   */
    // public grid: boolean = true;
  public editing: boolean = false;
  /** Safe Urls*/
  public safeUrls: Map<string, SafeResourceUrl> = new Map<string, SafeResourceUrl>([]);
  public numberResults: Map<string, number> = new Map<string, number>();
  private subscriptions: any[] = [];
  private urlSubscriptions: any[] = [];
  @ViewChild('editChartModal') editChartModal: AlertModal;
  @ViewChild('editNumberModal') editNumberModal: AlertModal;
  @ViewChild('deleteModal') deleteModal: AlertModal;
  //@ViewChild('deleteAllModal') deleteAllModal: AlertModal;
  //@ViewChild('deleteAndDisconnectModal') deleteAndDisconnectModal: AlertModal;
  //@ViewChild('deleteChartSectionModal') deleteChartSectionModal: AlertModal;
  //@ViewChild('deleteNumberSectionModal') deleteNumberSectionModal: AlertModal;
  @ViewChild('deleteSectionModal') deleteSectionModal: AlertModal;
  public sectionTypeToDelete: string;
  public sectionChildrenActionOnDelete: string;
  public indicatorChildrenActionOnDelete: string;
  
  urlParameterizedMessage = "";
  
  constructor(private layoutService: LayoutService,
              private stakeholderService: StakeholderService,
              private statisticsService: StatisticsService,
              private userManagementService: UserManagementService,
              private fb: FormBuilder,
              private router: Router,
              private cdr: ChangeDetectorRef,
              private sanitizer: DomSanitizer) {
  }
  
  ngOnInit(): void {
    this.userManagementService.getUserInfo().subscribe(user => {
      this.user = user;
    });
    this.stakeholderService.getStakeholderAsObservable().subscribe(stakeholder => {
      this.stakeholder = stakeholder;
      if (this.stakeholder) {
        this.buildFilters();
        this.buildSections();
        this.filterCharts();
        this.filterNumbers();
        this.setPreview();
      }
    });
  }
  
  ngOnDestroy(): void {
    this.subscriptions.forEach(value => {
      if (value instanceof Subscriber) {
        value.unsubscribe();
      } else if (value instanceof Function) {
        value();
      }
    });
  }
  
  ngAfterViewInit(): void {
    this.initReorder();
  }
  
  ngOnChanges(changes: SimpleChanges): void {
    if (this.canEdit) {
      if (changes.topicIndex || changes.categoryIndex || changes.subcategoryIndex) {
        this.buildFilters();
        this.initReorder();
      }
      this.filterCharts();
      this.filterNumbers();
    }
    this.setPreview();
  }
  
  setNumberIndicators() {
    this.numberResults.clear();
    let urls: Map<string, [number, number][]> = new Map<string, [number, number][]>();
    this.numbers.forEach((section, i) => {
      section.indicators.forEach((number, j) => {
        let url = this.indicatorUtils.getFullUrlWithFilters(this.stakeholder, number.indicatorPaths[0]);
        const pair = JSON.stringify([number.indicatorPaths[0].source, url]);
        const indexes = urls.get(pair) ? urls.get(pair) : [];
        indexes.push([i, j]);
        urls.set(pair, indexes);
      });
    });
    urls.forEach((indexes, pair) => {
      pair = JSON.parse(pair);
      this.statisticsService.getNumbers(this.statisticsService.getSourceType(pair[0]), pair[1]).subscribe(response => {
        indexes.forEach(([i, j]) => {
          let result = JSON.parse(JSON.stringify(response));
          this.numbers[i].indicators[j].indicatorPaths[0].jsonPath.forEach(jsonPath => {
            if (result) {
              result = result[jsonPath];
            }
          });
          if (typeof result == 'string' || typeof result == 'number') {
            this.numberResults.set(i + '-' + j, Number(result));
          }
        });
      });
    });
  }
  
  setPreview() {
    if (this.stakeholder) {
      this.preview = '/' + this.stakeholder.alias;
      if (this.stakeholder.topics[this.topicIndex]) {
        this.preview = '/' + this.stakeholder.alias + '/' + this.stakeholder.topics[this.topicIndex].alias;
        if (this.stakeholder.topics[this.topicIndex].categories[this.categoryIndex]) {
          this.preview += '/' + this.stakeholder.topics[this.topicIndex].categories[this.categoryIndex].alias;
          if (this.stakeholder.topics[this.topicIndex].categories[this.categoryIndex].subCategories[this.subcategoryIndex]) {
            this.preview += '/' + this.stakeholder.topics[this.topicIndex].categories[this.categoryIndex].subCategories[this.subcategoryIndex].alias;
          }
        }
      }
    }
  }
  
  initReorder() {
    this.subscriptions.forEach(value => {
      if (value instanceof Function) {
        value();
      }
    });
    if (document !== undefined) {
      let callback = (list, type: IndicatorType): void => {
        let items: HTMLCollection = list.current.children;
        let reordered = [];
        for (let i = 0; i < items.length; i++) {
          if (items.item(i).id) {
            reordered.push(items.item(i).id);
          }
        }
        this.reorderIndicators(list.current.id.toString().split('-')[1], type, reordered);
      };
      this.numbers.forEach((section) => {
        this.subscriptions.push(UIkit.util.on(document, 'moved', '#number-' + section._id, (list): void => {
          callback(list, "number");
        }));
        this.subscriptions.push(UIkit.util.on(document, 'added', '#number-' + section._id, (list): void => {
          callback(list, "number");
        }));
        this.subscriptions.push(UIkit.util.on(document, 'removed', '#number-' + section._id, (list): void => {
          callback(list, "number");
        }));
      });
      this.charts.forEach((section) => {
        this.subscriptions.push(UIkit.util.on(document, 'moved', '#chart-' + section._id, (list): void => {
          callback(list, "chart");
        }));
        this.subscriptions.push(UIkit.util.on(document, 'added', '#chart-' + section._id, (list): void => {
          callback(list, "chart");
        }));
        this.subscriptions.push(UIkit.util.on(document, 'removed', '#chart-' + section._id, (list): void => {
          callback(list, "chart");
        }));
      });
    }
  }
  
  hide(element: any) {
    UIkit.dropdown(element).hide();
  }
  
  private buildFilters() {
    this.subscriptions.push(this.filters.get('chartType').valueChanges.subscribe(value => {
      this.onChartTypeChange(value);
    }));
    
    this.subscriptions.push(this.filters.get('status').valueChanges.subscribe(value => {
      this.onStatusChange(value);
    }));
    this.subscriptions.push(this.filters.get('keyword').valueChanges.subscribe(value => {
      this.onKeywordChange(value);
    }));
  }
  
  private buildSections() {
    this.numberSections = this.fb.array([]);
    this.numbers.forEach(section => {
      this.numberSections.push(this.fb.group({
        _id: this.fb.control(section._id),
        title: this.fb.control(section.title),
        stakeholderAlias: this.fb.control(section.stakeholderAlias),
        defaultId: this.fb.control(section.defaultId),
        type: this.fb.control(section.type),
        indicators: this.fb.control(section.indicators)
      }));
    });
    this.chartSections = this.fb.array([]);
    this.charts.forEach(section => {
      this.chartSections.push(this.fb.group({
        _id: this.fb.control(section._id),
        title: this.fb.control(section.title),
        stakeholderAlias: this.fb.control(section.stakeholderAlias),
        defaultId: this.fb.control(section.defaultId),
        type: this.fb.control(section.type),
        indicators: this.fb.control(section.indicators)
      }));
    });
  }
  
  filterCharts() {
    this.displayCharts = this.filterChartType(
      this.filterStatus(this.filterByKeyword(HelperFunctions.copy(this.charts), this.filters.value.keyword),
        this.filters.value.status),
      this.filters.value.chartType
    );
    this.displayCharts.forEach(section => {
      section.indicators.forEach(indicator => {
        indicator.indicatorPaths.forEach(indicatorPath => {
          let url = this.indicatorUtils.getFullUrl(this.stakeholder, indicatorPath);
          if (!this.safeUrls.get('url')) {
            indicatorPath.safeResourceUrl = this.getSecureUrlByStakeHolder(indicatorPath);
            this.safeUrls.set(url, indicatorPath.safeResourceUrl);
          }
        });
      })
    });
    this.buildSections();
  }
  
  filterNumbers() {
    this.displayNumbers = this.filterStatus(
      this.filterByKeyword(HelperFunctions.copy(this.numbers), this.filters.value.keyword),
      this.filters.value.status);
    this.buildSections();
    this.setNumberIndicators();
  }
  
  onChartTypeChange(value) {
    this.displayCharts = this.filterChartType(HelperFunctions.copy(this.charts), value);
  }
  
  
  onStatusChange(value) {
    this.displayCharts = this.filterStatus(HelperFunctions.copy(this.charts), value);
    this.displayNumbers = this.filterStatus(HelperFunctions.copy(this.numbers), value);
  }
  
  onKeywordChange(value) {
    this.displayCharts = this.filterByKeyword(HelperFunctions.copy(this.charts), value);
    this.displayNumbers = this.filterByKeyword(HelperFunctions.copy(this.numbers), value);
  }
  
  private filterChartType(sections: Section[], value): Section[] {
    if (value !== 'all') {
      sections.forEach(section =>
        section.indicators = section.indicators.filter(indicator =>
          indicator.indicatorPaths.filter(indicatorPath => indicatorPath.type === value).length > 0));
    }
    return sections;
  }
  
  
  private filterStatus(sections: Section[], value): Section[] {
    if (value !== 'all') {
      sections.forEach(section =>
        section.indicators = section.indicators.filter(indicator => indicator.visibility === value));
    }
    return sections;
  }
  
  private filterByKeyword(sections: Section[], value): Section[] {
    if (value !== null && value !== '') {
      sections.forEach(section =>
        section.indicators = section.indicators.filter(indicator => (indicator.name && indicator.name.toLowerCase().includes(value.toLowerCase()))
          || (indicator.description && indicator.description.toLowerCase().includes(value.toLowerCase()))
          || (indicator.additionalDescription && indicator.additionalDescription.toLowerCase().includes(value.toLowerCase()))
          || indicator.indicatorPaths.filter(indicatorPath => (indicatorPath.parameters && indicatorPath.parameters.title &&
            indicatorPath.parameters.title.includes(value.toLowerCase()))).length > 0));
    }
    return sections;
  }
  
  get charts(): Section[] {
    if (this.stakeholder.topics[this.topicIndex] &&
      this.stakeholder.topics[this.topicIndex].categories[this.categoryIndex] &&
      this.stakeholder.topics[this.topicIndex].categories[this.categoryIndex].subCategories[this.subcategoryIndex]) {
      return this.stakeholder.topics[this.topicIndex].categories[this.categoryIndex].subCategories[this.subcategoryIndex].charts;
    } else {
      return [];
    }
  }
  
  set charts(sections: Section[]) {
    this.stakeholder.topics[this.topicIndex].categories[this.categoryIndex].subCategories[this.subcategoryIndex].charts = sections;
  }
  
  get numbers(): Section[] {
    if (this.stakeholder.topics[this.topicIndex] &&
      this.stakeholder.topics[this.topicIndex].categories[this.categoryIndex] &&
      this.stakeholder.topics[this.topicIndex].categories[this.categoryIndex].subCategories[this.subcategoryIndex]) {
      return this.stakeholder.topics[this.topicIndex].categories[this.categoryIndex].subCategories[this.subcategoryIndex].numbers;
    } else {
      return [];
    }
  }
  
  set numbers(sections: Section[]) {
    this.stakeholder.topics[this.topicIndex].categories[this.categoryIndex].subCategories[this.subcategoryIndex].numbers = sections;
  }
  
  get open(): boolean {
    return this.layoutService.open;
  }
  
  get canReorder(): boolean {
    return this.filters.value.chartType === 'all' &&
      this.filters.value.status === 'all' && this.filters.value.keyword === '' && !this.editing;
  }
  
  get canEdit() {
    return this.stakeholder &&
      this.stakeholder.topics[this.topicIndex] &&
      this.stakeholder.topics[this.topicIndex].categories[this.categoryIndex] &&
      this.stakeholder.topics[this.topicIndex].categories[this.categoryIndex].subCategories[this.subcategoryIndex];
  }
  
  public get numberIndicatorPaths(): FormArray {
    return this.numberIndicatorFb.get('indicatorPaths') as FormArray;
  }
  
  public get chartIndicatorPaths(): FormArray {
    return this.chartIndicatorFb.get('indicatorPaths') as FormArray;
  }
  
  public addJsonPath(index: number) {
    if (index == 0 && this.getJsonPath(index).getRawValue()[index].indexOf(",") != -1) {
      //if in the first path there are more than one paaths comma separated, split them and autogenerate the forms
      let paths = this.getJsonPath(index).getRawValue()[index].split(",");
      for (let i = 0; i < paths.length; i++) {
        if (i != 0) {
          this.getJsonPath(index).push(this.fb.control('', Validators.required));
        }
      }
      this.getJsonPath(index).setValue(paths)
      return;
    }
    this.getJsonPath(index).push(this.fb.control('', Validators.required));
  }
  
  public removeJsonPath(i: number, j: number) {
    this.getJsonPath(i).removeAt(j);
    if (this.getJsonPath(i).length !== this.getCurrentJsonPath(i).length) {
      this.getJsonPath(i).markAsDirty();
    }
  }
  
  public validateJsonPath(index: number) {
    let indicatorPath: FormGroup = <FormGroup>this.numberIndicatorPaths.at(index);
    this.getJsonPath(index).disable();
    this.statisticsService.getNumbers(null, indicatorPath.get('url').value).subscribe(response => {
      let result = JSON.parse(JSON.stringify(response));
      this.getJsonPath(index).controls.forEach(jsonPath => {
        if (result) {
          result = result[jsonPath.value];
        }
      });
      setTimeout( () => {
        if (typeof result == 'string') {
          this.getJsonPath(index).enable();
          this.getJsonPath(index).setErrors(null);
        } else {
          this.getJsonPath(index).enable();
          this.getJsonPath(index).setErrors({invalid: true});
        }
      }, 1000);
    });
  }
  
  public getJsonPath(index: number): FormArray {
    return this.numberIndicatorPaths.at(index).get('jsonPath') as FormArray;
  }
  
  public getCurrentJsonPath(index: number): string[] {
    return this.section.indicators[this.index].indicatorPaths[index].jsonPath;
  }
  
  public getParameters(index: number): FormArray {
    return this.chartIndicatorPaths.at(index).get('parameters') as FormArray;
  }
  
  public getParameter(index: number, key: string): FormControl {
    return this.getParameters(index).controls.filter(control => control.value.key === key)[0] as FormControl;
  }
  
  private getSecureUrlByStakeHolder(indicatorPath: IndicatorPath) {
    return this.sanitizer.bypassSecurityTrustResourceUrl(
      this.statisticsService.getChartUrl(indicatorPath.source, this.indicatorUtils.getFullUrl(this.stakeholder, indicatorPath)));
  }
  
  private getUrlByStakeHolder(indicatorPath: IndicatorPath) {
    return this.statisticsService.getChartUrl(indicatorPath.source, this.indicatorUtils.getFullUrl(this.stakeholder, indicatorPath));
  }
  
  public addNumberIndicatorPath(url: string = '', parameters: FormArray = new FormArray([]), source: string = 'search', jsonPath: FormArray = new FormArray([])) {
    if (jsonPath.length === 0) {
      jsonPath.push(this.fb.control('', Validators.required));
    }
    this.numberIndicatorPaths.push(this.fb.group({
        url: this.fb.control(url, Validators.required),
        jsonPath: jsonPath,
        // parameters: parameters,
        source: this.fb.control(source, Validators.required)
      }
    ));
    
    for (let index = 0; index < this.numberIndicatorPaths.length; index++) {
      this.subscriptions.push(this.numberIndicatorPaths.at(index).get('url').valueChanges.subscribe(value => {
          if (this.numberIndicatorPaths.at(index).get('url').valid) {
            let indicatorPath: IndicatorPath = this.indicatorUtils.generateIndicatorByNumberUrl(this.statisticsService.getNumberSource(value), value, this.stakeholder, this.numberIndicatorPaths.at(index).get('jsonPath').value);
            if ((indicatorPath.chartObject && Object.keys(indicatorPath.parameters).indexOf("index_id") == -1 && Object.keys(indicatorPath.parameters).indexOf("index_name") == -1 && Object.keys(indicatorPath.parameters).indexOf("index_shortName") == -1)
              || (!indicatorPath.chartObject && indicatorPath.url.indexOf("index_id") == -1 && indicatorPath.url.indexOf("index_name") == -1 && (indicatorPath.url).indexOf("index_shortName") == -1)) {
              // default profile
              if (this.stakeholder.defaultId == null) {
                this.urlParameterizedMessage = "This indicator couldn't be generated properly. Stakeholders based on this profile may not inherit the data correctly."
              } else {
                this.urlParameterizedMessage = "This indicator couldn't be generated properly. Please make sure chart data is for the current stakeholder."
              }
            } else {
              this.urlParameterizedMessage = "";
            }
            /*  if(value != indicatorPath.url) {
                (this.numberIndicatorPaths.at(index) as FormGroup).get('url').setValue( indicatorPath.url);
              }*/
            this.indicator.indicatorPaths[index] = indicatorPath;
            (this.numberIndicatorPaths.at(index) as FormGroup).get('source').setValue(indicatorPath.source);
          }
        })
      );
      
      this.subscriptions.push(this.numberIndicatorPaths.at(index).get('jsonPath').valueChanges.subscribe(value => {
          this.indicator.indicatorPaths[index].jsonPath = value;
          //this.getJsonPath(index).setErrors({invalid: true});
        })
      );
      this.subscriptions.push(this.numberIndicatorPaths.at(index).get('source').valueChanges.subscribe(value => {
          this.indicator.indicatorPaths[index].source = value;
        })
      );
    }
  }
  
  public addChartIndicatorPath(value: string = '', parameters: FormArray = new FormArray([]), disableUrl: boolean = false, type: string = null) {
    this.chartIndicatorPaths.push(this.fb.group({
        url: this.fb.control(value, [Validators.required,
          Validators.pattern('https?:\/\/(?:www\.|(?!www))[a-zA-Z0-9][a-zA-Z0-9-]+[a-zA-Z0-9]\.[^\s]{2,}|www\.' +
            '[a-zA-Z0-9][a-zA-Z0-9-]+[a-zA-Z0-9]\.[^\s]{2,}|https?:\/\/(?:www\.|(?!www))[a-zA-Z0-9]+\.[^\s]{2,}|www\.' +
            '[a-zA-Z0-9]+\.[^\s]{2,}')]),
        parameters: parameters,
        type: this.fb.control(type)
      }
    ));
    if (disableUrl) {
      for (let index = 0; index < this.chartIndicatorPaths.length; index++) {
        this.chartIndicatorPaths.at(index).get('url').disable();
      }
    } else {
      for (let index = 0; index < this.chartIndicatorPaths.length; index++) {
        this.urlSubscriptions.push(this.chartIndicatorPaths.at(index).get('url').valueChanges.subscribe(value => {
            if (this.chartIndicatorPaths.at(index).get('url').valid) {
              let indicatorPath: IndicatorPath = this.indicatorUtils.generateIndicatorByChartUrl(this.statisticsService.getChartSource(value), value, this.chartIndicatorPaths.at(index).get('type').value, this.stakeholder);
              if (indicatorPath.chartObject && Object.keys(indicatorPath.parameters).indexOf("index_id") == -1 && Object.keys(indicatorPath.parameters).indexOf("index_name") == -1 && Object.keys(indicatorPath.parameters).indexOf("index_shortName") == -1) {
                // default profile
                if (this.stakeholder.defaultId == null) {
                  this.urlParameterizedMessage = "This chart couldn't be generated properly. Stakeholders based on this profile may not inherit the data correctly."
                } else {
                  this.urlParameterizedMessage = "This chart couldn't be generated properly. Please make sure chart data is for the current stakeholder."
                }
              } else {
                this.urlParameterizedMessage = "";
              }
              (this.chartIndicatorPaths.at(index) as FormGroup).get('type').setValue(indicatorPath.type);
              let parameters = this.getParametersAsFormArray(indicatorPath);
              (this.chartIndicatorPaths.at(index) as FormGroup).setControl('parameters', parameters);
              if (!this.indicator.indicatorPaths[index]) {
                this.indicator.indicatorPaths[index] = indicatorPath;
                this.indicator.indicatorPaths[index].safeResourceUrl = this.getSecureUrlByStakeHolder(indicatorPath);
              } else {
                indicatorPath.safeResourceUrl = this.indicator.indicatorPaths[index].safeResourceUrl;
                this.indicator.indicatorPaths[index] = indicatorPath;
              }
            }
          })
        );
      }
    }
  }
  
  private getJsonPathAsFormArray(indicatorPath: IndicatorPath): FormArray {
    let jsonPath = this.fb.array([]);
    if (indicatorPath.jsonPath) {
      indicatorPath.jsonPath.forEach(path => {
        jsonPath.push(this.fb.control(path, Validators.required));
      });
    }
    return jsonPath;
  }
  
  private getParametersAsFormArray(indicatorPath: IndicatorPath): FormArray {
    let parameters = this.fb.array([]);
    if (indicatorPath.parameters) {
      Object.keys(indicatorPath.parameters).forEach(key => {
        if (this.indicatorUtils.ignoredParameters.indexOf(key) === -1) {
          if (this.indicatorUtils.parametersValidators.has(key)) {
            parameters.push(this.fb.group({
              key: this.fb.control(key),
              value: this.fb.control(indicatorPath.parameters[key], this.indicatorUtils.parametersValidators.get(key))
            }));
          } else {
            parameters.push(this.fb.group({
              key: this.fb.control(key),
              value: this.fb.control(indicatorPath.parameters[key])
            }));
          }
        }
      });
    }
    return parameters;
  }
  
  public editNumberIndicatorOpen(section: Section, id = null) {
    this.urlParameterizedMessage = "";
    this.section = section;
    this.index = (id) ? section.indicators.findIndex(value => value._id === id) : -1;
    if (this.index !== -1) {
      this.indicator = HelperFunctions.copy(this.section.indicators[this.index]);
      this.numberIndicatorFb = this.fb.group({
        _id: this.fb.control(this.indicator._id),
        name: this.fb.control(this.indicator.name, Validators.required),
        description: this.fb.control(this.indicator.description),
        additionalDescription: this.fb.control(this.indicator.additionalDescription),
        visibility: this.fb.control(this.indicator.visibility),
        indicatorPaths: this.fb.array([], Validators.required),
        type: this.fb.control(this.indicator.type),
        width: this.fb.control(this.indicator.width),
        defaultId: this.fb.control(this.indicator.defaultId)
      });
      this.indicator.indicatorPaths.forEach(indicatorPath => {
        this.addNumberIndicatorPath(this.statisticsService.getNumberUrl(indicatorPath.source, this.indicatorUtils.getFullUrl(this.stakeholder, indicatorPath)), indicatorPath.parameters, indicatorPath.source, this.getJsonPathAsFormArray(indicatorPath));
      });
    } else {
      this.indicator = new Indicator('', '', '', 'number', 'small', "PUBLIC", []);
      this.numberIndicatorFb = this.fb.group({
        _id: this.fb.control(this.indicator._id),
        name: this.fb.control(this.indicator.name, Validators.required),
        description: this.fb.control(this.indicator.description),
        additionalDescription: this.fb.control(this.indicator.additionalDescription),
        visibility: this.fb.control(this.indicator.visibility),
        indicatorPaths: this.fb.array([], Validators.required),
        type: this.fb.control(this.indicator.type),
        width: this.fb.control(this.indicator.width),
        defaultId: this.fb.control(this.indicator.defaultId)
      });
      this.addNumberIndicatorPath();
    }
    if(this.indicator.defaultId) {
      setTimeout(() => {
        this.numberIndicatorFb.get('additionalDescription').disable();
      }, 0);
    }
    this.editNumberModal.cancelButtonText = 'Cancel';
    this.editNumberModal.okButtonLeft = false;
    this.editNumberModal.alertMessage = false;
    if (this.index === -1) {
      this.editNumberModal.alertTitle = 'Create a new number indicator';
      this.editNumberModal.okButtonText = 'Save';
    } else {
      this.editNumberModal.alertTitle = 'Edit number indicator\'s information';
      this.editNumberModal.okButtonText = 'Save Changes';
    }
    this.editNumberModal.open();
  }
  
  public editChartIndicatorOpen(section: Section, id = null) {
    this.urlParameterizedMessage = "";
    this.urlSubscriptions.forEach(value => {
      if (value instanceof Subscriber) {
        value.unsubscribe();
      }
    });
    this.section = section;
    this.index = (id) ? section.indicators.findIndex(value => value._id === id) : -1;
    if (this.index !== -1) {
      this.indicator = HelperFunctions.copy(this.section.indicators[this.index]);
      this.chartIndicatorFb = this.fb.group({
        _id: this.fb.control(this.indicator._id),
        name: this.fb.control(this.indicator.name),
        description: this.fb.control(this.indicator.description),
        additionalDescription: this.fb.control(this.indicator.additionalDescription),
        visibility: this.fb.control(this.indicator.visibility),
        indicatorPaths: this.fb.array([]),
        width: this.fb.control(this.indicator.width),
        defaultId: this.fb.control(this.indicator.defaultId)
      });
      this.indicator.indicatorPaths.forEach(indicatorPath => {
        this.addChartIndicatorPath(this.getUrlByStakeHolder(indicatorPath),
          this.getParametersAsFormArray(indicatorPath), this.indicator.defaultId !== null, indicatorPath.type);
        indicatorPath.safeResourceUrl = this.getSecureUrlByStakeHolder(indicatorPath);
      });
    } else {
      this.indicator = new Indicator('', '', '', 'chart', 'medium', "PUBLIC", []);
      this.chartIndicatorFb = this.fb.group({
        _id: this.fb.control(this.indicator._id),
        name: this.fb.control(this.indicator.name),
        description: this.fb.control(this.indicator.description),
        additionalDescription: this.fb.control(this.indicator.additionalDescription),
        visibility: this.fb.control(this.indicator.visibility),
        indicatorPaths: this.fb.array([]),
        width: this.fb.control(this.indicator.width, Validators.required),
        defaultId: this.fb.control(this.indicator.defaultId)
      });
      this.addChartIndicatorPath();
    }
    if(this.indicator.defaultId) {
      setTimeout(() => {
        this.chartIndicatorFb.get('additionalDescription').disable();
      }, 0);
    }
    this.editChartModal.cancelButtonText = 'Cancel';
    this.editChartModal.okButtonLeft = false;
    this.editChartModal.alertMessage = false;
    if (this.index === -1) {
      this.editChartModal.alertTitle = 'Create a new chart indicator';
      this.editChartModal.okButtonText = 'Save';
    } else {
      this.editChartModal.alertTitle = 'Edit chart indicator\'s information';
      this.editChartModal.okButtonText = 'Save Changes';
    }
    this.editChartModal.open();
  }
  
  saveIndicator() {
    this.editing = true;
    if (this.indicator.type === 'chart') {
      this.chartIndicatorFb.get('additionalDescription').enable();
      this.indicator = this.indicatorUtils.generateIndicatorByForm(this.chartIndicatorFb.value, this.indicator.indicatorPaths, this.indicator.type, true);
      this.section = this.charts.find(section => section._id === this.section._id);
    } else {
      this.numberIndicatorFb.get('additionalDescription').enable();
      this.indicator = this.indicatorUtils.generateIndicatorByForm(this.numberIndicatorFb.value, this.indicator.indicatorPaths, this.indicator.type, false);
      this.section = this.numbers.find(section => section._id === this.section._id);
    }
    let path = [
      this.stakeholder._id,
      this.stakeholder.topics[this.topicIndex]._id,
      this.stakeholder.topics[this.topicIndex].categories[this.categoryIndex]._id,
      this.stakeholder.topics[this.topicIndex].categories[this.categoryIndex].subCategories[this.subcategoryIndex]._id,
      this.section._id
    ];
    this.stakeholderService.saveElement(this.properties.monitorServiceAPIURL, this.indicator, path).subscribe(indicator => {
      if (this.index !== -1) {
        this.section.indicators[this.index] = indicator;
      } else {
        this.section.indicators.push(indicator);
      }
      if (this.indicator.type === "chart") {
        this.filterCharts();
        this.chartIndicatorFb = null;
      } else {
        this.filterNumbers();
        this.numberIndicatorFb = null;
      }
      UIkit.notification('Indicator has been successfully saved', {
        status: 'success',
        timeout: 3000,
        pos: 'top-left'
      });
      this.editing = false;
    }, error => {
      this.chartIndicatorFb = null;
      UIkit.notification(error.error.message, {
        status: 'danger',
        timeout: 3000,
        pos: 'top-left'
      });
      this.editing = false;
    });
  }
  
  reorderIndicators(sectionId: string, type: IndicatorType, indicatorIds: string[]) {
    this.editing = true;
    let path = [
      this.stakeholder._id,
      this.stakeholder.topics[this.topicIndex]._id,
      this.stakeholder.topics[this.topicIndex].categories[this.categoryIndex]._id,
      this.stakeholder.topics[this.topicIndex].categories[this.categoryIndex].subCategories[this.subcategoryIndex]._id,
      sectionId
    ];
    this.stakeholderService.reorderIndicators(this.properties.monitorServiceAPIURL, path, indicatorIds, type).subscribe(indicators => {
      if (type === 'chart') {
        this.charts.find(section => section._id === sectionId).indicators = indicators;
        this.filterCharts();
      } else {
        this.numbers.find(section => section._id === sectionId).indicators = indicators;
        this.filterNumbers();
      }
      this.editing = false;
    });
  }
  
  hasDifference(index: number): boolean {
    let hasDifference = false;
    this.chartIndicatorPaths.at(index).value.parameters.forEach((parameter) => {
      if (parameter.value !== this.indicator.indicatorPaths[index].parameters[parameter.key]) {
        hasDifference = true;
        return;
      }
    });
    return hasDifference || this.indicator.indicatorPaths[index].safeResourceUrl.toString() !==
      this.getSecureUrlByStakeHolder(this.indicator.indicatorPaths[index]).toString();
  }
  
  public get isAdministrator(): boolean {
    return Session.isPortalAdministrator(this.user) || Session.isMonitorCurator(this.user);
  }
  
  refreshIndicator() {
    this.indicator = this.indicatorUtils.generateIndicatorByForm(this.chartIndicatorFb.value, this.indicator.indicatorPaths, 'chart', true);
    this.indicator.indicatorPaths.forEach(indicatorPath => {
      indicatorPath.safeResourceUrl = this.getSecureUrlByStakeHolder(indicatorPath);
    });
  }
  
  deleteIndicatorOpen(section: Section, indicatorId: string, type: string, childrenAction: string = null) {
    this.indicatorChildrenActionOnDelete = null;
    if (childrenAction == "delete") {
      this.indicatorChildrenActionOnDelete = childrenAction;
    } else if (childrenAction == "disconnect") {
      this.indicatorChildrenActionOnDelete = childrenAction;
    }
    
    this.section = section;
    if (type === 'chart') {
      this.index = this.charts.find(value => value._id == section._id).indicators.findIndex(value => value._id == indicatorId);
    } else {
      this.index = this.numbers.find(value => value._id == section._id).indicators.findIndex(value => value._id == indicatorId);
    }
    this.indicator = section.indicators.find(value => value._id == indicatorId);
    this.deleteModal.alertTitle = 'Delete indicator';
    this.deleteModal.cancelButtonText = 'No';
    this.deleteModal.okButtonText = 'Yes';
    this.deleteModal.open();
  }
  
  deleteIndicator() {
    this.editing = true;
    let path = [
      this.stakeholder._id,
      this.stakeholder.topics[this.topicIndex]._id,
      this.stakeholder.topics[this.topicIndex].categories[this.categoryIndex]._id,
      this.stakeholder.topics[this.topicIndex].categories[this.categoryIndex].subCategories[this.subcategoryIndex]._id,
      this.section._id,
      this.indicator._id
    ];
    this.stakeholderService.deleteElement(this.properties.monitorServiceAPIURL, path, this.indicatorChildrenActionOnDelete).subscribe(() => {
      if (this.indicator.type === 'chart') {
        this.charts.find(section => section._id === this.section._id).indicators.splice(this.index, 1);
        this.filterCharts();
      } else {
        this.numbers.find(section => section._id === this.section._id).indicators.splice(this.index, 1);
        this.filterNumbers();
      }
      UIkit.notification('Indicator has been successfully deleted', {
        status: 'success',
        timeout: 3000,
        pos: 'top-left'
      });
      this.editing = false;
    }, error => {
      UIkit.notification(error.error.message, {
        status: 'danger',
        timeout: 3000,
        pos: 'top-left'
      });
      this.editing = false;
    });
  }
  
  changeIndicatorStatus(sectionId: string, indicator: Indicator, visibility: Visibility) {
    this.editing = true;
    let path = [
      this.stakeholder._id,
      this.stakeholder.topics[this.topicIndex]._id,
      this.stakeholder.topics[this.topicIndex].categories[this.categoryIndex]._id,
      this.stakeholder.topics[this.topicIndex].categories[this.categoryIndex].subCategories[this.subcategoryIndex]._id,
      sectionId,
      indicator._id
    ];
    this.stakeholderService.changeVisibility(this.properties.monitorServiceAPIURL, path, visibility).subscribe(visibility => {
      indicator.visibility = visibility;
      UIkit.notification('Indicator has been successfully changed to ' + indicator.visibility.toLowerCase(), {
        status: 'success',
        timeout: 3000,
        pos: 'top-left'
      });
      this.editing = false;
    }, error => {
      UIkit.notification('An error has been occurred. Try again later', {
        status: 'danger',
        timeout: 3000,
        pos: 'top-left'
      });
      this.editing = false;
    });
  }
  
  /*toggleIndicatorAccess(sectionId: string, indicator: Indicator) {
    this.editing = true;
    let path = [
      this.stakeholder._id,
      this.stakeholder.topics[this.topicIndex]._id,
      this.stakeholder.topics[this.topicIndex].categories[this.categoryIndex]._id,
      this.stakeholder.topics[this.topicIndex].categories[this.categoryIndex].subCategories[this.subcategoryIndex]._id,
      sectionId,
      indicator._id
    ];
    this.stakeholderService.toggleAccess(this.properties.monitorServiceAPIURL, path).subscribe(visibility => {
      indicator.visibility = visibility;
      UIkit.notification('Indicator has been successfully changed to ' + (visibility?'public':'private'), {
        status: 'success',
        timeout: 3000,
        pos: 'top-left'
      });
      this.editing = false;
    }, error => {
      UIkit.notification(error.error.message, {
        status: 'danger',
        timeout: 3000,
        pos: 'top-left'
      });
      this.editing = false;
    });
  }*/
  
  saveSection(section: Section, index: number, type: IndicatorType = "chart") {
    this.editing = true;
    let path = [
      this.stakeholder._id,
      this.stakeholder.topics[this.topicIndex]._id,
      this.stakeholder.topics[this.topicIndex].categories[this.categoryIndex]._id,
      this.stakeholder.topics[this.topicIndex].categories[this.categoryIndex].subCategories[this.subcategoryIndex]._id
    ];
    this.stakeholderService.saveSection(this.properties.monitorServiceAPIURL, section, path, index).subscribe(section => {
      if (type === 'chart') {
        this.charts[index] = section;
        this.filterCharts();
      } else {
        this.numbers[index] = section;
        this.filterNumbers();
      }
      this.initReorder();
      UIkit.notification('Section has been successfully saved', {
        status: 'success',
        timeout: 3000,
        pos: 'top-left'
      });
      this.editing = false;
    }, error => {
      UIkit.notification(error.error.message, {
        status: 'danger',
        timeout: 3000,
        pos: 'top-left'
      });
      this.editing = false;
    });
  }
  
  createSection(index = -1, type: IndicatorType = 'chart') {
    this.editing = true;
    this.section = new Section(type, null, null, this.stakeholder.alias);
    let path = [
      this.stakeholder._id,
      this.stakeholder.topics[this.topicIndex]._id,
      this.stakeholder.topics[this.topicIndex].categories[this.categoryIndex]._id,
      this.stakeholder.topics[this.topicIndex].categories[this.categoryIndex].subCategories[this.subcategoryIndex]._id
    ];
    this.stakeholderService.saveSection(this.properties.monitorServiceAPIURL, this.section, path, index).subscribe(section => {
      if (type === 'chart') {
        if (index !== -1) {
          this.charts.splice(index, 0, section);
        } else {
          this.charts.push(section);
        }
        this.filterCharts();
      } else {
        if (index !== -1) {
          this.numbers.splice(index, 0, section);
        } else {
          this.numbers.push(section);
        }
        this.filterNumbers();
      }
      this.initReorder();
      UIkit.notification('Section has been successfully created', {
        status: 'success',
        timeout: 3000,
        pos: 'top-left'
      });
      this.editing = false;
    }, error => {
      UIkit.notification(error.error.message, {
        status: 'danger',
        timeout: 3000,
        pos: 'top-left'
      });
      this.editing = false;
    });
  }
  
  // deleteNumberSectionOpen(section: Section, index: number) {
  //   this.section = section;
  //   this.index = index;
  //   this.deleteNumberSectionModal.alertTitle = 'Delete Section';
  //   this.deleteNumberSectionModal.cancelButtonText = 'No';
  //   this.deleteNumberSectionModal.okButtonText = 'Yes';
  //   this.deleteNumberSectionModal.open();
  // }
  //
  // deleteChartSectionOpen(section: Section, index: number) {
  //   this.section = section;
  //   this.index = index;
  //   this.deleteChartSectionModal.alertTitle = 'Delete Section';
  //   this.deleteChartSectionModal.cancelButtonText = 'No';
  //   this.deleteChartSectionModal.okButtonText = 'Yes';
  //   this.deleteChartSectionModal.open();
  // }
  
  deleteSectionOpen(section: Section, index: number, type: IndicatorType, childrenAction: string = null) {
    if (!this.editing && !section.defaultId) {
      this.sectionTypeToDelete = type;
      this.sectionChildrenActionOnDelete = null;
      if (childrenAction == "delete") {
        this.sectionChildrenActionOnDelete = childrenAction;
      } else if (childrenAction == "disconnect") {
        this.sectionChildrenActionOnDelete = childrenAction;
      }
      
      this.section = section;
      this.index = index;
      this.deleteSectionModal.alertTitle = 'Delete Section';
      this.deleteSectionModal.cancelButtonText = 'No';
      this.deleteSectionModal.okButtonText = 'Yes';
      this.deleteSectionModal.open();
    }
  }
  
  deleteSection() {
    this.editing = true;
    let path = [
      this.stakeholder._id,
      this.stakeholder.topics[this.topicIndex]._id,
      this.stakeholder.topics[this.topicIndex].categories[this.categoryIndex]._id,
      this.stakeholder.topics[this.topicIndex].categories[this.categoryIndex].subCategories[this.subcategoryIndex]._id,
      this.section._id
    ];
    this.stakeholderService.deleteElement(this.properties.monitorServiceAPIURL, path, this.sectionChildrenActionOnDelete).subscribe(() => {
      if (this.sectionTypeToDelete === "chart") {
        this.charts.splice(this.index, 1);
        this.filterCharts();
      } else {
        this.numbers.splice(this.index, 1);
        this.filterNumbers();
      }
      this.initReorder();
      UIkit.notification('Section has been successfully deleted', {
        status: 'success',
        timeout: 3000,
        pos: 'top-left'
      });
      this.editing = false;
    }, error => {
      UIkit.notification(error.error.message, {
        status: 'danger',
        timeout: 3000,
        pos: 'top-left'
      });
      this.editing = false;
    });
  }
}