// Dependencies
import humps from 'humps';
import autobind from 'autobind-decorator';

import { ChannelsResponse } from './dto/channelsResponse';
import { DialogClient } from './clientDefinition';

function process(target: unknown, propertyKey: string, descriptor: PropertyDescriptor) {
  const originalMethod = descriptor.value;
  function overridedMethod(...args: unknown[]) {
    const newArgs = args.map((arg) => humps.decamelizeKeys(arg));
    console.log('newArgs', newArgs);
    return originalMethod(newArgs)
      .then((a: unknown) => {
        console.log('response', a);
        return humps.camelizeKeys(a);
      });
  }
  Object.assign(descriptor, { value: overridedMethod });
}

/**
 * Chat channels.
 * @class ChannelService
 * @author Daniel Mejia
 */
@autobind
export class Channels {
  channelsClient: DialogClient;

  constructor(channelsClient: DialogClient) {
    this.channelsClient = channelsClient;
  }

  @process
  getChannels(): Promise<ChannelsResponse> {
    return this.channelsClient.list();
  }
}

export default Channels;