var React = require('react')
var Link = require('react-router').Link
var UserID = require('userID.jsx')
var GetIPFS = require('getipfs.jsx')
var Post = require('post.jsx')
var Comments = require('comment.jsx').Comments

module.exports = function (boardsAPI) {
  return React.createClass({
    getInitialState: function () {
      return { post: { title: '...', text: '...' }, api: false }
    },
    componentDidMount: function () {
      boardsAPI.use(boards => {
        boards.init()
        boards.getEventEmitter().on('init', err => {
          if (!err && this.isMounted()) {
            this.init(boards)
          }
        })
        if (this.isMounted() && boards.isInit) {
          this.init(boards)
        }
      })
    },
    componentWillReceiveProps: function (nextProps) {
      boardsAPI.use(boards => this.downloadPost(boards, nextProps))
    },
    downloadPost: function (boards, props) {
      boards.downloadPost(props.params.posthash, props.params.userid, props.params.boardname, props.params.userid, (err, post) => {
        if (err) {
          this.setState({
            post: { title: 'Error', text: err.Message || err.Error }
          })
        } else {
          this.setState({ post })
        }
      })
    },
    init: function (boards) {
      if (this.state.init) return
      this.setState({ api: true, boards: boards })
      this.downloadPost(boards, this.props)
    },
    getContext: function () {
      if (this.props.params.userid) {
        if (this.props.params.boardname) {
          return <div>Posted by <UserID id={this.props.params.userid} api={this.state.boards} /> in <Link to={'@' + this.props.params.userid + '/' + this.props.params.boardname}>#{this.props.params.boardname}</Link></div>
        } else {
          return <div>Posted by <UserID id={this.props.params.userid} api={this.state.boards} /></div>
        }
      } else return <div><h6 className="light">You are viewing a single post</h6></div>
    },
    render: function () {
      if (this.state.api) {
        return <div className="post-page">
          <div className="text-center">
            {this.getContext()}
          </div>
          <Post post={this.state.post} board={this.props.params.boardname} api={this.state.boards} />
          <Comments parent={this.props.params.posthash} board={this.props.params.boardname} adminID={this.props.params.userid} post={this.props.params.posthash} api={this.state.boards} />
        </div>
      } else {
        return <GetIPFS api={this.state.boards} />
      }
    }
  })
}