module.exports = class {
  onCreate(input) {
    this.state = {
      channels: input.channels,
      modal: null,
    }
  }

  open(modal) {
    this.state.modal = modal
  }

  close() {
    this.state.modal = null
  }

  channelEdited(channel, patch) {
    const channels = this.state.channels.slice()
    const index = channels.findIndex(c => c.name === channel.name)
    if (index === -1) {
      return
    }

    channels[index] = Object.assign({}, channels[index], patch)

    this.state.channels = channels
  }

  channelAdded(channel) {
    this.state.channels = this.state.channels.concat(channel).sort((a,b) => a.name.localeCompare(b.name))
  }
}