import { Subject } from 'rxjs'
import { Component, Input, OnInit } from '@angular/core'
import { Notifier, User, UserService } from '@app/core'
import { USER_DESCRIPTION_VALIDATOR, USER_DISPLAY_NAME_REQUIRED_VALIDATOR } from '@app/shared/form-validators/user-validators'
import { FormReactive, FormValidatorService } from '@app/shared/shared-forms'

@Component({
  selector: 'my-account-profile',
  templateUrl: './my-account-profile.component.html',
  styleUrls: [ './my-account-profile.component.scss' ]
})
export class MyAccountProfileComponent extends FormReactive implements OnInit {
  @Input() user: User = null
  @Input() userInformationLoaded: Subject<any>

  error: string = null

  constructor (
    protected formValidatorService: FormValidatorService,
    private notifier: Notifier,
    private userService: UserService
  ) {
    super()
  }

  ngOnInit () {
    this.buildForm({
      username: null,
      'display-name': USER_DISPLAY_NAME_REQUIRED_VALIDATOR,
      description: USER_DESCRIPTION_VALIDATOR
    })
    this.form.controls['username'].disable()

    this.userInformationLoaded.subscribe(() => {
      this.form.patchValue({
        username: this.user.username,
        'display-name': this.user.account.displayName,
        description: this.user.account.description
      })
    })
  }

  get instanceHost () {
    return window.location.host
  }

  updateMyProfile () {
    const displayName = this.form.value['display-name']
    const description = this.form.value['description'] || null

    this.error = null

    this.userService.updateMyProfile({ displayName, description })
    .subscribe({
      next: () => {
        this.user.account.displayName = displayName
        this.user.account.description = description

        this.notifier.success($localize`Profile updated.`)
      },

      error: err => this.error = err.message
    })
  }
}