import { Validators, AbstractControl } from '@angular/forms'
import { BuildFormValidator } from './form-validator.model'
import { VideoPlaylistPrivacy } from '@shared/models'

export const VIDEO_PLAYLIST_DISPLAY_NAME_VALIDATOR: BuildFormValidator = {
  VALIDATORS: [
    Validators.required,
    Validators.minLength(1),
    Validators.maxLength(120)
  ],
  MESSAGES: {
    'required': $localize`Display name is required.`,
    'minlength': $localize`Display name must be at least 1 character long.`,
    'maxlength': $localize`Display name cannot be more than 120 characters long.`
  }
}

export const VIDEO_PLAYLIST_PRIVACY_VALIDATOR: BuildFormValidator = {
  VALIDATORS: [
    Validators.required
  ],
  MESSAGES: {
    'required': $localize`Privacy is required.`
  }
}

export const VIDEO_PLAYLIST_DESCRIPTION_VALIDATOR: BuildFormValidator = {
  VALIDATORS: [
    Validators.minLength(3),
    Validators.maxLength(1000)
  ],
  MESSAGES: {
    'minlength': $localize`Description must be at least 3 characters long.`,
    'maxlength': $localize`Description cannot be more than 1000 characters long.`
  }
}

export const VIDEO_PLAYLIST_CHANNEL_ID_VALIDATOR: BuildFormValidator = {
  VALIDATORS: [],
  MESSAGES: {
    'required': $localize`The channel is required when the playlist is public.`
  }
}

export function setPlaylistChannelValidator (channelControl: AbstractControl, privacy: VideoPlaylistPrivacy) {
  if (privacy.toString() === VideoPlaylistPrivacy.PUBLIC.toString()) {
    channelControl.setValidators([Validators.required])
  } else {
    channelControl.setValidators(null)
  }

  channelControl.markAsDirty()
  channelControl.updateValueAndValidity()
}