D-Net

import {Component, OnDestroy, OnInit, ViewChild} from '@angular/core';

import {ActivatedRoute, Router} from '@angular/router';

import {Title} from '@angular/platform-browser';

import {EnvProperties} from '../openaireLibrary/utils/properties/env-properties';

import {Category, Section, Stakeholder, SubCategory, Topic} from "../utils/entities/stakeholder";

import {StakeholderService} from "../services/stakeholder.service";

import {HelperFunctions} from "../openaireLibrary/utils/HelperFunctions.class";

import {AlertModal} from "../openaireLibrary/utils/modal/alert";

import {Subscriber, Subscription} from "rxjs";

import {FormBuilder, FormGroup, Validators} from "@angular/forms";

import {StakeholderUtils} from "../utils/indicator-utils";

import {StringUtils} from "../openaireLibrary/utils/string-utils.class";

import {IDeactivateComponent} from "../openaireLibrary/utils/can-exit.guard";

declare var UIkit;

@Component({

  selector: 'topic',

  templateUrl: './topic.component.html',

})

export class TopicComponent implements OnInit, OnDestroy, IDeactivateComponent {

  public subscriptions: any[] = [];

  public properties: EnvProperties;

  public stakeholderUtils: StakeholderUtils = new StakeholderUtils();

  public loading: boolean = true;

  public stakeholder: Stakeholder;

  /**

   * Current topic

   **/

  public topicIndex: number = 0;

  /**

   * categoryIndex: Current category to be edited, selectedCategoryIndex: selected on menu(opened)

   */

  public categoryIndex: number = 0;

  public selectedCategoryIndex: number = 0;

  /**

   * Current Subcategory to be edited

   */

  public subCategoryIndex: number = 0;

  /**

   * Current element and index of topic, category or subcategory to be deleted.

   */

  public form: FormGroup;

  public element: Topic | Category | SubCategory;

  public type: 'topic' | 'category' | 'subcategory' = "topic";

  public index: number = -1;

  /**

   * Check form validity

   */

  public toggle: boolean = false;

  @ViewChild('deleteModal') deleteModal: AlertModal;

  @ViewChild('editModal') editModal: AlertModal;

  constructor(

    private route: ActivatedRoute,

    private router: Router,

    private title: Title,

    private fb: FormBuilder,

    private stakeholderService: StakeholderService) {

  }

  public ngOnInit() {

    this.route.data

      .subscribe((data: { envSpecific: EnvProperties }) => {

        this.properties = data.envSpecific;

        let subscription: Subscription;

        this.route.params.subscribe(params => {

          if (subscription) {

            subscription.unsubscribe();

          }

          subscription = this.stakeholderService.getStakeholderAsObservable().subscribe(stakeholder => {

            if (stakeholder) {

              this.stakeholder = stakeholder;

              this.topicIndex = this.stakeholder.topics.findIndex(topic => topic.alias === params['topic']);

              if (this.topicIndex === -1) {

                this.navigateToError();

              } else {

                this.title.setTitle(stakeholder.index_shortName + ' | ' + this.stakeholder.topics[this.topicIndex].name);

                this.toggle = true;

              }

            }

          });

          this.subscriptions.push(subscription);

        });

      });

  }

  public ngOnDestroy() {

  }

  canExit():boolean {

    this.subscriptions.forEach(value => {

      if (value instanceof Subscriber) {

        value.unsubscribe();

      }

    });

    this.stakeholderService.setStakeholder(this.stakeholder);

    return true;

  }

  hide(element: any) {

    UIkit.dropdown(element).hide();

  }

  public saveElement() {

    if (this.type === "topic") {

      this.saveTopic();

    } else if (this.type === "category") {

      this.saveCategory();

    } else {

      this.saveSubCategory();

    }

  }

  public deleteElement() {

    if (this.type === "topic") {

      this.deleteTopic();

    } else if (this.type === "category") {

      this.deleteCategory();

    } else {

      this.deleteSubcategory();

    }

  }

  private buildTopic(topic: Topic) {

    let topics = this.stakeholder.topics.filter(element => element._id !== topic._id);

    this.form = this.fb.group({

      _id: this.fb.control(topic._id),

      name: this.fb.control(topic.name, Validators.required),

      description: this.fb.control(topic.description),

      alias: this.fb.control(topic.alias, [

          Validators.required,

          this.stakeholderUtils.aliasValidator(topics)

        ]

      ),

      isActive: this.fb.control(topic.isActive),

      isPublic: this.fb.control(topic.isPublic),

      defaultId: this.fb.control(topic.defaultId),

      categories: this.fb.control(topic.categories)

    });

    this.subscriptions.push(this.form.get('name').valueChanges.subscribe(value => {

      let i = 1;

      value = this.stakeholderUtils.generateAlias(value);

      this.form.controls['alias'].setValue(value);

      while (this.form.get('alias').invalid) {

        this.form.controls['alias'].setValue(value + i);

        i++;

      }

    }));

  }

  public editTopicOpen() {

    this.index = this.topicIndex;

    this.type = 'topic';

    this.buildTopic(this.stakeholder.topics[this.index]);

    this.editOpen();

  }

  public saveTopic() {

    if (!this.form.invalid) {

      let path = [this.stakeholder._id];

      let callback = (topic: Topic): void => {

        this.stakeholder.topics[this.index] = topic;

      };

      this.save('Topic has been successfully saved', path, this.form.value, callback, true);

    }

  }

  public toggleTopicStatus() {

    this.index = this.topicIndex;

    this.type = 'topic';

    let path = [

      this.stakeholder._id,

      this.stakeholder.topics[this.topicIndex]._id

    ];

    this.toggleStatus(this.stakeholder.topics[this.topicIndex], path);

  }

  public toggleTopicAccess() {

    this.index = this.topicIndex;

    this.type = 'topic';

    let path = [

      this.stakeholder._id,

      this.stakeholder.topics[this.topicIndex]._id

    ];

    this.toggleAccess(this.stakeholder.topics[this.topicIndex], path);

  }

  public deleteTopicOpen() {

    this.type = 'topic';

    this.index = this.topicIndex;

    this.element = this.stakeholder.topics[this.index];

    this.deleteOpen();

  }

  public deleteTopic() {

    let path: string[] = [

      this.stakeholder._id,

      this.stakeholder.topics[this.index]._id

    ];

    let callback = (): void => {

      this.stakeholder.topics.splice(this.index, 1);

    };

    this.delete('Topic has been successfully be deleted', path, callback, true);

  }

  public toggleCategory(index: number) {

    if (this.selectedCategoryIndex !== index) {

      this.selectedCategoryIndex = index;

      this.toggle = true;

    } else {

      this.toggle = !this.toggle;

    }

  }

  private buildCategory(category: Category) {

    let categories = this.stakeholder.topics[this.topicIndex].categories.filter(element => element._id !== category._id);

    this.form = this.fb.group({

      _id: this.fb.control(category._id),

      name: this.fb.control(category.name, Validators.required),

      description: this.fb.control(category.description),

      alias: this.fb.control(category.alias, [

          Validators.required,

          this.stakeholderUtils.aliasValidator(categories)

        ]

      ),

      isActive: this.fb.control(category.isActive),

      isPublic: this.fb.control(category.isPublic),

      defaultId: this.fb.control(category.defaultId),

      subCategories: this.fb.control(category.subCategories)

    });

    this.subscriptions.push(this.form.get('name').valueChanges.subscribe(value => {

      let i = 1;

      value = this.stakeholderUtils.generateAlias(value);

      this.form.controls['alias'].setValue(value);

      while (this.form.get('alias').invalid) {

        this.form.controls['alias'].setValue(value + i);

        i++;

      }

    }));

  }

  public editCategoryOpen(index: number = -1) {

    this.index = index;

    this.type = 'category';

    if (index === -1) {

      this.buildCategory(new Category(null, null, null, true, true));

    } else {

      this.buildCategory(this.stakeholder.topics[this.topicIndex].categories[index]);

    }

    this.editOpen();

  }

  public saveCategory() {

    if (!this.form.invalid) {

      let path = [this.stakeholder._id, this.stakeholder.topics[this.topicIndex]._id];

      let callback = (category: Category): void => {

        if (this.index === -1) {

          this.stakeholder.topics[this.topicIndex].categories.push(category);

        } else {

          this.stakeholder.topics[this.topicIndex].categories[this.index] = HelperFunctions.copy(category);

        }

      };

      if (this.index === -1) {

        this.save('Category has been successfully created', path, this.form.value, callback);

      } else {

        this.save('Category has been successfully saved', path, this.form.value, callback);

      }

    }

  }

  public toggleCategoryStatus(index: number) {

    this.index = index;

    this.type = 'category';

    let path = [

      this.stakeholder._id,

      this.stakeholder.topics[this.topicIndex]._id,

      this.stakeholder.topics[this.topicIndex].categories[this.index]._id

    ];

    this.toggleStatus(this.stakeholder.topics[this.topicIndex].categories[this.index], path);

  }

  public toggleCategoryAccess(index: number) {

      this.index = index;

      this.type = 'category';

      let path = [

          this.stakeholder._id,

          this.stakeholder.topics[this.topicIndex]._id,

          this.stakeholder.topics[this.topicIndex].categories[this.index]._id

      ];

      this.toggleAccess(this.stakeholder.topics[this.topicIndex].categories[this.index], path);

  }

  public deleteCategoryOpen(index: number) {

    this.type = 'category';

    this.index = index;

    this.element = this.stakeholder.topics[this.topicIndex].categories[this.index];

    this.deleteOpen();

  }

  public deleteCategory() {

    let path: string[] = [

      this.stakeholder._id,

      this.stakeholder.topics[this.topicIndex]._id,

      this.stakeholder.topics[this.topicIndex].categories[this.index]._id

    ];

    let callback = (): void => {

      this.stakeholder.topics[this.topicIndex].categories.splice(this.index, 1);

    };

    this.delete('Category has been successfully be deleted', path, callback);

  }

  private buildSubcategory(subCategory: SubCategory) {

    let subCategories = this.stakeholder.topics[this.topicIndex].categories[this.selectedCategoryIndex].subCategories.filter(element => element._id !== subCategory._id);

    this.form = this.fb.group({

      _id: this.fb.control(subCategory._id),

      name: this.fb.control(subCategory.name, Validators.required),

      description: this.fb.control(subCategory.description),

      alias: this.fb.control(subCategory.alias, [

          Validators.required,

          this.stakeholderUtils.aliasValidator(subCategories)

        ]

      ),

      isActive: this.fb.control(subCategory.isActive),

      isPublic: this.fb.control(subCategory.isPublic),

      defaultId: this.fb.control(subCategory.defaultId),

      charts: this.fb.control(subCategory.charts),

      numbers: this.fb.control(subCategory.numbers)

    });

    this.subscriptions.push(this.form.get('name').valueChanges.subscribe(value => {

      let i = 1;

      value = this.stakeholderUtils.generateAlias(value);

      this.form.controls['alias'].setValue(value);

      while (this.form.get('alias').invalid) {

        this.form.controls['alias'].setValue(value + i);

        i++;

      }

    }));

  }

  public editSubCategoryOpen(index: number = -1) {

    this.index = index;

    this.type = 'subcategory';

    if (index === -1) {

      this.buildSubcategory(new SubCategory(null, null, null, true, true));

    } else {

      this.buildSubcategory(this.stakeholder.topics[this.topicIndex].categories[this.selectedCategoryIndex].subCategories[index]);

    }

    this.editOpen();

  }

  public saveSubCategory() {

    if (!this.form.invalid) {

      let path: string[] = [

        this.stakeholder._id,

        this.stakeholder.topics[this.topicIndex]._id,

        this.stakeholder.topics[this.topicIndex].categories[this.selectedCategoryIndex]._id

      ];

      let callback = (subCategory: SubCategory): void => {

        if (this.index === -1) {

          this.stakeholder.topics[this.topicIndex].categories[this.selectedCategoryIndex].subCategories.push(subCategory);

        } else {

          this.stakeholder.topics[this.topicIndex].categories[this.selectedCategoryIndex].subCategories[this.index] = subCategory;

        }

      };

      if (this.index === -1) {

        this.save('Subcategory has been successfully created', path, this.form.value, callback);

      } else {

        this.save('Subcategory has been successfully saved', path, this.form.value, callback);

      }

    }

  }

    public toggleSubcategoryStatus(index: number) {

        this.index = index;

        this.type = 'subcategory';

        let path = [

            this.stakeholder._id,

            this.stakeholder.topics[this.topicIndex]._id,

            this.stakeholder.topics[this.topicIndex].categories[this.selectedCategoryIndex]._id,

            this.stakeholder.topics[this.topicIndex].categories[this.selectedCategoryIndex].subCategories[this.index]._id

        ];

        this.toggleStatus(this.stakeholder.topics[this.topicIndex].categories[this.selectedCategoryIndex].subCategories[this.index], path);

    }

    public toggleSubcategoryAccess(index: number) {

        this.index = index;

        this.type = 'subcategory';

        let path = [

            this.stakeholder._id,

            this.stakeholder.topics[this.topicIndex]._id,

            this.stakeholder.topics[this.topicIndex].categories[this.selectedCategoryIndex]._id,

            this.stakeholder.topics[this.topicIndex].categories[this.selectedCategoryIndex].subCategories[this.index]._id

        ];

        this.toggleAccess(this.stakeholder.topics[this.topicIndex].categories[this.selectedCategoryIndex].subCategories[this.index], path);

    }

  public deleteSubcategoryOpen(index) {

    this.type = 'subcategory';

    this.index = index;

    this.element = this.stakeholder.topics[this.topicIndex].categories[this.selectedCategoryIndex].subCategories[this.index];

    this.deleteOpen();

  }

  public deleteSubcategory() {

    let path: string[] = [

      this.stakeholder._id,

      this.stakeholder.topics[this.topicIndex]._id,

      this.stakeholder.topics[this.topicIndex].categories[this.selectedCategoryIndex]._id,

      this.stakeholder.topics[this.topicIndex].categories[this.selectedCategoryIndex].subCategories[this.index]._id

    ];

    let callback = (): void => {

      this.stakeholder.topics[this.topicIndex].categories[this.selectedCategoryIndex].subCategories.splice(this.index, 1);

    };

    this.delete('Subcategory has been successfully be deleted', path, callback);

  }

  private navigateToError() {

    this.router.navigate(['/error'], {queryParams: {'page': this.router.url}});

  }

  private editOpen() {

    this.editModal.cancelButtonText = 'Cancel';

    this.editModal.okButtonLeft = false;

    this.editModal.alertMessage = false;

    if (this.index === -1) {

      this.editModal.alertTitle = 'Create a new ' + this.type;

      this.editModal.okButtonText = 'Create';

    } else {

      this.editModal.alertTitle = 'Edit ' + this.type + '\'s information ';

      this.editModal.okButtonText = 'Save';

    }

    this.editModal.open();

  }

  private deleteOpen() {

    this.deleteModal.alertTitle = 'Delete ' + this.type;

    this.deleteModal.cancelButtonText = 'No';

    this.deleteModal.okButtonText = 'Yes';

    this.deleteModal.open();

  }

  private save(message: string, path: string[], saveElement: any, callback: Function, redirect = false) {

    this.stakeholderService.saveElement(this.properties.monitorServiceAPIURL, saveElement, path).subscribe(saveElement => {

      callback(saveElement);

      UIkit.notification(message, {

        status: 'success',

        timeout: 3000,

        pos: 'top-left'

      });

      if (redirect) {

        this.router.navigate(['../' + saveElement.alias], {

          relativeTo: this.route

        });

      }

    }, error => {

      UIkit.notification(error.error.message, {

        status: 'danger',

        timeout: 3000,

        pos: 'top-left'

      });

    });

  }

  private delete(message: string, path: string[], callback: Function, redirect = false) {

    this.stakeholderService.deleteElement(this.properties.monitorServiceAPIURL, path).subscribe(() => {

      callback();

      UIkit.notification(message, {

        status: 'success',

        timeout: 3000,

        pos: 'top-left'

      });

      if (redirect) {

        this.back();

      }

    }, error => {

      UIkit.notification(error.error.message, {

        status: 'danger',

        timeout: 3000,

        pos: 'top-left'

      });

    });

  }

  private toggleStatus(element: Topic | Category | SubCategory, path: string[]) {

    this.stakeholderService.toggleStatus(this.properties.monitorServiceAPIURL, path).subscribe(isActive => {

      element.isActive = isActive;

      UIkit.notification(StringUtils.capitalize(this.type) + ' has been successfully changed to ' + (isActive ? 'active' : 'inactive'), {

        status: 'success',

        timeout: 3000,

        pos: 'top-left'

      });

    }, error => {

      UIkit.notification(error.error.message, {

        status: 'danger',

        timeout: 3000,

        pos: 'top-left'

      });

    });

  }

  private toggleAccess(element: Topic | Category | SubCategory, path: string[]) {

    this.stakeholderService.toggleAccess(this.properties.monitorServiceAPIURL, path).subscribe(isPublic => {

      element.isPublic = isPublic;

      UIkit.notification(StringUtils.capitalize(this.type) + ' has been successfully changed to ' + (isPublic ? 'public' : 'private'), {

        status: 'success',

        timeout: 3000,

        pos: 'top-left'

      });

    }, error => {

      UIkit.notification(error.error.message, {

        status: 'danger',

        timeout: 3000,

        pos: 'top-left'

      });

    });

  }

  back() {

    this.router.navigate(['../'], {

      relativeTo: this.route

    });

  }

  chooseSubcategory(categoryIndex: number, subcategoryIndex: number) {

    this.categoryIndex = categoryIndex;

    this.subCategoryIndex = subcategoryIndex;

  }

}