/**
 * Copyright (c) 2017-present, Facebook, Inc.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */

const Marked = require("./Marked.js");
const React = require("react");

// inner blog component for the article itself, without sidebar/header/footer
class BlogPost extends React.Component {
  renderContent() {
    let content = this.props.content;
    if (this.props.truncate) {
      content = content.split("<!--truncate-->")[0];
      return (
        <article className="post-content">
          <Marked>
            {content}
          </Marked>
          <div className="read-more">
            <a
              className="button"
              href={this.props.config.baseUrl + "blog/" + this.props.post.path}
            >
              Read More
            </a>
          </div>
        </article>
      );
    }
    return (
      <Marked>
        {content}
      </Marked>
    );
  }

  renderAuthorPhoto() {
    const post = this.props.post;
    const className = "authorPhoto" + ((post.author && post.authorTitle)
    ? " authorPhoto-big"
    : "");
    if (post.authorFBID) {
      return (
        <div className={className}>
          <a href={post.authorURL} target="_blank">
            <img
              src={
                "https://graph.facebook.com/" +
                post.authorFBID +
                "/picture/?height=200&width=200"
              }
            />
          </a>
        </div>
      );
    } else if (post.authorImage) {
      return (
        <div className={className}>
          <a href={post.authorURL} target="_blank">
            <img
              src={post.authorImage}
            />
          </a>
        </div>
      );
    } else {
      return null;
    }
  }

  renderTitle() {
    const post = this.props.post;
    return (
      <h1>
        <a href={this.props.config.baseUrl + "blog/" + post.path}>
          {post.title}
        </a>
      </h1>
    );
  }

  renderPostHeader() {
    const post = this.props.post;
    const match = post.path.match(/([0-9]+)\/([0-9]+)\/([0-9]+)/);
    // Because JavaScript sucks at date handling :(
    const year = match[1];
    const month = [
      "January",
      "February",
      "March",
      "April",
      "May",
      "June",
      "July",
      "August",
      "September",
      "October",
      "November",
      "December"
    ][parseInt(match[2], 10) - 1];
    const day = parseInt(match[3], 10);

    return (
      <header className="postHeader">
        {this.renderTitle()}
        <p className="post-meta">
          {month} {day}, {year}
        </p>
        <div className="authorBlock">
          {post.author ? (
            <p className="post-authorName">
              <a href={post.authorURL} target="_blank">
                {post.author}
              </a>
              {post.authorTitle}
            </p>
          ) : null}
          {this.renderAuthorPhoto()}
        </div>
      </header>
    );
  }

  render() {
    return (
      <div className="post">
        {this.renderPostHeader()}
        {this.renderContent()}
      </div>
    );
  }
}

module.exports = BlogPost;