import { Component, Input, OnInit, ViewChild } from '@angular/core'
import { FormBuilder, FormGroup } from '@angular/forms'

import { ModalDirective } from 'ngx-bootstrap/modal'
import { NotificationsService } from 'angular2-notifications'

import { FormReactive, VideoAbuseService, VIDEO_ABUSE_REASON } from '../../shared'
import { VideoDetails, VideoService } from '../shared'

@Component({
  selector: 'my-video-report',
  templateUrl: './video-report.component.html'
})
export class VideoReportComponent extends FormReactive implements OnInit {
  @Input() video: VideoDetails = null

  @ViewChild('modal') modal: ModalDirective

  error: string = null
  form: FormGroup
  formErrors = {
    reason: ''
  }
  validationMessages = {
    reason: VIDEO_ABUSE_REASON.MESSAGES
  }

  constructor (
    private formBuilder: FormBuilder,
    private videoAbuseService: VideoAbuseService,
    private notificationsService: NotificationsService
   ) {
    super()
  }

  ngOnInit () {
    this.buildForm()
  }

  buildForm () {
    this.form = this.formBuilder.group({
      reason: [ '', VIDEO_ABUSE_REASON.VALIDATORS ]
    })

    this.form.valueChanges.subscribe(data => this.onValueChanged(data))
  }

  show () {
    this.modal.show()
  }

  hide () {
    this.modal.hide()
  }

  report () {
    const reason = this.form.value['reason']

    this.videoAbuseService.reportVideo(this.video.id, reason)
                          .subscribe(
                            () => {
                              this.notificationsService.success('Success', 'Video reported.')
                              this.hide()
                            },

                            err => this.notificationsService.error('Error', err.message)
                           )
  }
}