import { Component, OnInit, ViewChild } from '@angular/core';
import { FormBuilder, FormGroup } from '@angular/forms';
import { MatStepper } from '@angular/material';
import { Router } from '@angular/router';
import { BaseComponent } from '../../core/common/base/base.component';
import { QuickWizardService } from '../../core/services/quick-wizard/quick-wizard.service';
import { DatasetCreateWizardModel } from './dataset-create-wizard.model';
import { IBreadCrumbComponent } from '../misc/breadcrumb/definition/IBreadCrumbComponent';
import { Observable } from 'rxjs';
import { BreadcrumbItem } from '../misc/breadcrumb/definition/breadcrumb-item';

@Component({
	selector: 'dataset-create-wizard.component',
	templateUrl: 'dataset-create-wizard.component.html',
	styleUrls: ['./dataset-create-wizard.component.scss'],
})
export class DatasetCreateWizard extends BaseComponent implements OnInit, IBreadCrumbComponent {
	breadCrumbs: Observable<BreadcrumbItem[]>;
	isLinear = false;
	formGroup: FormGroup;

	datasetCreateWizardModel: DatasetCreateWizardModel;
	@ViewChild('stepper') stepper: MatStepper;

	constructor(
		private router: Router,
		private formBuilder: FormBuilder,
		public quickWizardService: QuickWizardService,
	) {
		super();
	}

	ngOnInit() {
		this.datasetCreateWizardModel = new DatasetCreateWizardModel();
		this.formGroup = this.datasetCreateWizardModel.buildForm();
		this.breadCrumbs = Observable.of([
            {
                parentComponentName: 'Dashboard',
                label: 'Dataset description wizard',
                url: '/datasetcreatewizard'
            }]
        );
	}

	save() {
		this.submit();
	}

	submit() {
		this.quickWizardService.createQuickDatasetWizard(this.formGroup.value)
			.subscribe(data => {
				this.router.navigateByUrl('/home');
			})
	}

	isActive(step: string): boolean {
        switch (step) {
            case 'step1':
                return this.stepper.selectedIndex==0;
            case 'step2':
                return this.stepper.selectedIndex==1;
        }
    }
}