import { Component, linkEvent } from 'inferno';
import { Link } from 'inferno-router';
import { Subscription } from "rxjs";
import { retryWhen, delay, take } from 'rxjs/operators';
import { WebSocketService, UserService } from '../services';
import { Post, CreatePostLikeResponse, CreatePostLikeForm } from '../interfaces';
import { MomentTime } from './moment-time';
import { mdToHtml } from '../utils';

interface PostListingState {
}

interface PostListingProps {
  post: Post;
  showCommunity?: boolean;
  showBody?: boolean;
}

export class PostListing extends Component<PostListingProps, PostListingState> {

  private emptyState: PostListingState = {
  }

  constructor(props, context) {
    super(props, context);

    this.state = this.emptyState;
    this.handlePostLike = this.handlePostLike.bind(this);
    this.handlePostDisLike = this.handlePostDisLike.bind(this);
  }

  render() {
    let post = this.props.post;
    return (
      <div class="listing">
        <div className="float-left small text-center">
          <div className={`pointer upvote ${post.my_vote == 1 ? 'text-info' : 'text-muted'}`} onClick={linkEvent(this, this.handlePostLike)}>▲</div>
          <div>{post.score}</div>
          <div className={`pointer downvote ${post.my_vote == -1 && 'text-danger'}`} onClick={linkEvent(this, this.handlePostDisLike)}>▼</div>
        </div>
        <div className="ml-4">
          {post.url 
            ? <h5 className="mb-0">
            <a className="text-white" href={post.url}>{post.name}</a>
            <small><a className="ml-2 text-muted font-italic" href={post.url}>{(new URL(post.url)).hostname}</a></small>
          </h5> 
            : <h5 className="mb-0"><Link className="text-white" to={`/post/${post.id}`}>{post.name}</Link></h5>
          }
        </div>
        <div className="details ml-4 mb-1">
          <ul class="list-inline mb-0 text-muted small">
            <li className="list-inline-item">
              <span>by </span>
              <a href={post.creator_id.toString()}>{post.creator_name}</a>
              {this.props.showCommunity && 
                <span>
                  <span> to </span>
                  <Link to={`/community/${post.community_id}`}>{post.community_name}</Link>
                </span>
              }
            </li>
            <li className="list-inline-item">
              <span><MomentTime data={post} /></span>
            </li>
            <li className="list-inline-item">
              <span>(
                <span className="text-info">+{post.upvotes}</span>
                <span> | </span>
                <span className="text-danger">-{post.downvotes}</span>
                <span>) </span>
              </span>
            </li>
            <li className="list-inline-item">
              <Link to={`/post/${post.id}`}>{post.number_of_comments} Comments</Link>
            </li>
          </ul>
          {this.props.showBody && this.props.post.body && <div className="md-div" dangerouslySetInnerHTML={mdToHtml(post.body)} />}
        </div>
      </div>
    )
  }

  // private get myPost(): boolean {
  //   return this.props.node.comment.attributed_to == UserService.Instance.fediUserId;
  // }

  handlePostLike(i: PostListing, event) {

    let form: CreatePostLikeForm = {
      post_id: i.props.post.id,
      score: (i.props.post.my_vote == 1) ? 0 : 1
    };
    WebSocketService.Instance.likePost(form);
  }

  handlePostDisLike(i: PostListing, event) {
    let form: CreatePostLikeForm = {
      post_id: i.props.post.id,
      score: (i.props.post.my_vote == -1) ? 0 : -1
    };
    WebSocketService.Instance.likePost(form);
  }
}

