import { Component, ViewChild, OnInit, AfterViewInit, ViewEncapsulation } from "@angular/core";
import { MatPaginator, MatSort, MatSnackBar } from "@angular/material";
import { Router, ActivatedRoute, Params } from "@angular/router";
import { TranslateService } from "@ngx-translate/core";
import { DataSource } from "@angular/cdk/table";
import { Observable } from "rxjs/Observable";
import { DataManagementPlanService } from "../../services/data-management-plan/data-management-plan.service";
import { ProjectModel } from "../../models/projects/ProjectModel";
import { ProjectService } from "../../services/project/project.service";
import { JsonSerializer } from "../../utilities/JsonSerializer";
import { FormGroup } from "@angular/forms";
import { SnackBarNotificationComponent } from "../../shared/components/notificaiton/snack-bar-notification.component";
import { BaseErrorModel } from "../../models/error/BaseErrorModel";



@Component({
  selector: 'app-project-editor-component',
  templateUrl: 'project-editor.component.html',
  styleUrls: ['./project-editor.component.scss'],
  providers: [ProjectService],
  encapsulation: ViewEncapsulation.None
})
export class ProjectEditorComponent implements AfterViewInit {

  isNew = true;
  project: ProjectModel;
  formGroup: FormGroup = null;

  constructor(
    private projectService: ProjectService,
    private route: ActivatedRoute,
    public snackBar: MatSnackBar,
    public router: Router,
    public language: TranslateService
  ) {

  }

  ngAfterViewInit() {
    this.route.params.subscribe((params: Params) => {
      const itemId = params['id'];

      if (itemId != null) {
        this.isNew = false;
        this.projectService.getSingle(itemId).map(data => data as ProjectModel)
          .subscribe(data => {
            this.project = new JsonSerializer<ProjectModel>().fromJSONObject(data, ProjectModel);
            this.formGroup = this.project.buildForm();
          });
      } else {
        this.project = new ProjectModel();
        setTimeout(() => {
          this.formGroup = this.project.buildForm();
        });
      }
    });
  }

  formSubmit(): void {
		//this.touchAllFormFields(this.formGroup);
		if (!this.isFormValid()) { return; }
		this.onSubmit();
  }

  public isFormValid() {
		return this.formGroup.valid;
	}
  
  onSubmit(): void {
		this.projectService.createProject(this.formGroup.value).subscribe(
			complete => this.onCallbackSuccess(),
			error => this.onCallbackError(error)
		);
  }
  
  onCallbackSuccess(): void {
		this.snackBar.openFromComponent(SnackBarNotificationComponent, {
			data: { message: this.isNew ? 'GENERAL.SNACK-BAR.SUCCESSFUL-CREATION' : 'GENERAL.SNACK-BAR.SUCCESSFUL-UPDATE', language: this.language },
			duration: 3000,
			extraClasses: ['snackbar-success']
		})
		this.router.navigate(['/projects']);
	}

	onCallbackError(error: any) {
		this.setErrorModel(error.error);
		//this.validateAllFormFields(this.formGroup);
  }
  
  public setErrorModel(errorModel: BaseErrorModel) {
		Object.keys(errorModel).forEach(item => {
			(<any>this.project.errorModel)[item] = (<any>errorModel)[item];
		})
  }
  
  public cancel(): void {
		this.router.navigate(['/projects']);
	}
}