/**
 * Created by stefania on 7/13/17.
 */
import { Component, ViewChild, OnInit } from '@angular/core';
import { ActivatedRoute } from "@angular/router";
import { HelpContentService } from "../../services/help-content.service";
import { FormGroup } from "@angular/forms";
import { ModalFormComponent } from "../modal-form.component";
import { DeleteConfirmationDialogComponent } from "../delete-confirmation-dialog.component";
import { CommunityFormComponent } from "./community-form.component";
import { CheckCommunity, Community } from "../../domain/community";
import { EnvProperties } from '../../openaireLibrary/utils/properties/env-properties';

@Component({
    selector: 'communities',
    templateUrl: './communities.component.html',
})

export class CommunitiesComponent implements OnInit {

    // @ViewChild(ModalFormComponent)
    // @ViewChild('saveModal')
    // public modal:ModalFormComponent;
    //
    // @ViewChild('updateModal')
    // public updateModal:ModalFormComponent;

    // @ViewChild('deleteConfirmationModal')
    // public deleteConfirmationModal : DeleteConfirmationDialogComponent;
    @ViewChild('AlertModalSaveCommunity') alertModalSaveCommunity;
    @ViewChild('AlertModalUpdateCommunity') alertModalUpdateCommunity;
    @ViewChild('AlertModalDeleteCommunities') alertModalDeleteCommunities;
    private selectedCommunities: string[] = [];

    @ViewChild(CommunityFormComponent)
    public formComponent : CommunityFormComponent;

    public checkboxes : CheckCommunity[] = [];

    public communities : Community[] = [];

    //public errorMessage: string;

    public formGroup : FormGroup;

    private searchText : RegExp = new RegExp('');
    public properties:EnvProperties = null;

    public showLoading: boolean = true;
    public errorMessage: string = '';
    public updateErrorMessage: string = '';
    public modalErrorMessage: string = '';

    ngOnInit() {
        this.formGroup = this.formComponent.form;

        this.route.data
          .subscribe((data: { envSpecific: EnvProperties }) => {
             this.properties = data.envSpecific;
             this.getCommunities();

          });
    }

    constructor(private route: ActivatedRoute, private _helpContentService: HelpContentService) {}


    getCommunities() {
        this.showLoading = true;
        this.updateErrorMessage = "";
        this.errorMessage = "";


        this._helpContentService.getCommunitiesFull( this.properties.adminToolsAPIURL).subscribe(
            communities => {
                this.communities = communities;
                communities.forEach(_ => {
                  this.checkboxes.push(<CheckCommunity>{community : _, checked : false});
                });
                this.showLoading = false;
        },
        error => this.handleError('System error retrieving communities', error));
    }

    // public showModal():void {
    //     this.modal.showModal();
    // }

    public toggleCheckBoxes(event) {
        this.checkboxes.forEach(_ => _.checked = event.target.checked);
    }

    public applyCheck(flag : boolean) {
      console.info("applyCheck "+flag);
        this.checkboxes.forEach(_ => _.checked = flag);
    }

    public getSelectedCommunities() : string[] {
        return this.checkboxes.filter(community => community.checked == true).map(checkedCommunity => checkedCommunity.community).map(res => res._id);
    }

    private deleteCommunitiesFromArray(ids : string[]) : void {
        for(let id of ids) {
            let i = this.checkboxes.findIndex(_ => _.community._id == id);
            this.checkboxes.splice(i, 1);
        }
    }

    public confirmDeleteCommunity(id : string) {
        //this.deleteConfirmationModal.ids = [id];
        //this.deleteConfirmationModal.showModal();
        this.selectedCommunities = [id];
        this.confirmModalOpen();
    }

    public confirmDeleteSelectedCommunities() {
        //this.deleteConfirmationModal.ids = this.getSelectedCommunities();
        //this.deleteConfirmationModal.showModal();
        this.selectedCommunities = this.getSelectedCommunities();
        this.confirmModalOpen();
    }

    private confirmModalOpen() {
      this.alertModalDeleteCommunities.cancelButton = true;
      this.alertModalDeleteCommunities.okButton = true;
      this.alertModalDeleteCommunities.alertTitle = "Delete Confirmation";
      this.alertModalDeleteCommunities.message = "Are you sure you want to delete the selected community(-ies)?";
      this.alertModalDeleteCommunities.okButtonText = "Yes";
      this.alertModalDeleteCommunities.open();
    }

    public confirmedDeleteCommunities(data: any) {
        this.showLoading = true;
        this.updateErrorMessage = "";

        this._helpContentService.deleteCommunities(this.selectedCommunities, this.properties.adminToolsAPIURL).subscribe(
            _ => {
              this.deleteCommunitiesFromArray(this.selectedCommunities);
              this.showLoading = false;
            },
            error => this.handleUpdateError('System error deleting the selected communities', error)
        );
    }

    public editCommunity(i : number) {
        let community : Community = this.checkboxes[i].community;
        this.formGroup.patchValue(community);
        //this.updateModal.showModal();
        this.modalErrorMessage = "";
        this.communitiesModalOpen(this.alertModalUpdateCommunity, "Update", "Update Community");
    }

    public newCommunity() {
        this.formComponent.reset();
        this.modalErrorMessage = "";
        this.communitiesModalOpen(this.alertModalSaveCommunity, "Save", "Add a new Community");
    }

    private communitiesModalOpen(modal: any, title: string, yesBtn: string) {
      modal.cancelButton = true;
      modal.okButton = true;
      modal.alertTitle = title;
      modal.okButtonText = yesBtn;
      modal.open();
    }

    public communitySaveConfirmed(data: any) {
      if(!this.formGroup.valid) {
        this.communitiesModalOpen(this.alertModalSaveCommunity, "Save", "Add a new Community");
        this.modalErrorMessage = "Please fill in all required fields marked with *";
      } else {
        this.modalErrorMessage = "";
        this._helpContentService.saveCommunity(<Community> this.formGroup.value, this.properties.adminToolsAPIURL).subscribe(
            community => {
              this.communitySavedSuccessfully(community);
            },
            error => this.handleUpdateError("System error creating community", error)
        );
      }
    }

    public communityUpdateConfirmed(data: any) {
      if(!this.formGroup.valid) {
        this.communitiesModalOpen(this.alertModalUpdateCommunity, "Update", "Update Community");
        this.modalErrorMessage = "Please fill in all required fields marked with *";
      } else {
        this._helpContentService.updateCommunity(<Community> this.formGroup.value, this.properties.adminToolsAPIURL).subscribe(
            community => {
              this.communityUpdatedSuccessfully(community);
            },
            error => this.handleUpdateError("System error updating community", error)
        );
      }
    }

    public communitySavedSuccessfully(community: Community) {
        this.checkboxes.push(<CheckCommunity>{community : community, checked : false});
        console.info("checkboxes length: "+this.checkboxes.length);
        this.applyCheck(false);
    }

    public communityUpdatedSuccessfully(community : Community) {
        this.checkboxes.find(checkItem => checkItem.community._id==community._id).community = community;
        this.applyCheck(false);
    }

    public filterBySearch(text : string) {
        this.searchText = new RegExp(text,'i');
        this.applyFilter();
    }

    public applyFilter() {
        this.checkboxes = [];
        this.communities.filter(item => this.filterCommunities(item)).forEach(
            _ => this.checkboxes.push(<CheckCommunity>{community: _, checked: false})
        );
    }

    public filterCommunities(community : Community) : boolean {
        let textFlag = this.searchText.toString() == '' || (community.name).match(this.searchText) != null;
        return textFlag;
    }

    handleUpdateError(message: string, error) {
        if(error == null) {
            this.formComponent.reset();
        } else {
          this.updateErrorMessage = message;
          console.log('Server responded: ' +error);
        }

        this.showLoading = false;
    }

    handleError(message: string, error) {
        this.errorMessage = message;
        console.log('Server responded: ' + error);

        this.showLoading = false;
    }
}