var fetchResultsStyle = {
    color: '#888',
    textAlign: 'center',
    fontSize: '1.2em'
  };

var SearchActive = React.createClass({
  render: function() {
    return (
      <div style={fetchResultsStyle}>
        <BusyMessage message="Looking up the Dewey Decimals" />
      </div>
    );
  }
});

var searchNoResultsStyle = {
  textAlign: 'center'
}, searchNoResultsMessageStyle = {
  fontStyle: 'italic',
  marginRight: '5px'
};

var SearchNoResults = React.createClass({
  render: function() {
    return (
      <section style={searchNoResultsStyle}>
        <span style={searchNoResultsMessageStyle}>No one has checked anything in for {this.props.query} yet.</span>
        <Link label="Be the first" href="?publish" />
      </section>
    );
  }
});

var SearchResults = React.createClass({
  render: function() {
    var rows = [];
    this.props.results.forEach(function(result) {
      if (!result.value.nsfw) {
        rows.push(
          <SearchResultRow key={result.name} name={result.name} title={result.value.title} imgUrl={result.value.thumbnail}
                           description={result.value.description} cost={result.cost} />
        );
      }
    });
    return (
      <div>{rows}</div>
    );
  }
});

var
  searchRowStyle = {
    height: (24 * 7) + 'px',
    overflowY: 'hidden'
  },
  searchRowImgStyle = {
    maxWidth: '100%',
    maxHeight: (24 * 7) + 'px',
    display: 'block',
    marginLeft: 'auto',
    marginRight: 'auto'
  },
  searchRowTitleStyle = {
    fontWeight: 'bold'
  },
  searchRowCostStyle = {
    float: 'right',
  },
  searchRowDescriptionStyle = {
    color : '#444',
    marginTop: '12px',
    fontSize: '0.9em'
  };


var SearchResultRow = React.createClass({
  getInitialState: function() {
    return {
      downloading: false
    }
  },
  render: function() {
    return (

      <section className="card">
        <div className="row-fluid" style={searchRowStyle}>
          <div className="span3">
            <img src={this.props.imgUrl} alt={'Photo for ' + (this.props.title || this.props.name)} style={searchRowImgStyle} />
          </div>
          <div className="span9">
            <span style={searchRowCostStyle}>
              <CreditAmount amount={this.props.cost} isEstimate={!this.props.available}/>
            </span>
            <div className="meta">lbry://{this.props.name}</div>
            <h3 style={searchRowTitleStyle}><a href={'/?show=' + this.props.name}>{this.props.title}</a></h3>
            <div>
              <WatchLink streamName={this.props.name} button="primary" />
              <DownloadLink streamName={this.props.name} button="text" />
            </div>
            <p style={searchRowDescriptionStyle}>{this.props.description}</p>
          </div>
        </div>
      </section>
    );
  }
});

var featuredContentItemContainerStyle = {
  position: 'relative',
};

var FeaturedContentItem = React.createClass({
  propTypes: {
    name: React.PropTypes.string,
  },

  getInitialState: function() {
    return {
      metadata: null,
      title: null,
      amount: 0.0,
      overlayShowing: false,
    };
  },

  handleMouseOver: function() {
    if (this.state.metadata && this.state.metadata.nsfw) {
      this.setState({
        overlayShowing: true,
      });
    }
  },

  handleMouseOut: function() {
    this.setState({
      overlayShowing: false,
    });
  },

  componentWillMount: function() {
    lbry.search(this.props.name, (results) => {
      var result = results[0];
      var metadata = result.value;
      this.setState({
        metadata: metadata,
        amount: result.cost,
        available: result.available,
        title: metadata && metadata.title ? metadata.title : ('lbry://' + this.props.name),
      })
    });
  },

  render: function() {
    if (this.state.metadata == null) {
      // Still waiting for metadata
      return null;
    }

    //@TODO: Make this check the "show NSFW" setting once it's implemented

    return (<div style={featuredContentItemContainerStyle} onMouseEnter={this.handleMouseOver} onMouseLeave={this.handleMouseOut}>
      <div className={this.state.metadata.nsfw ? 'blur' : ''}>
        <SearchResultRow name={this.props.name} title={this.state.title} imgUrl={this.state.metadata.thumbnail}
                   description={this.state.metadata.description} cost={this.state.amount}
                   available={this.state.available} />
      </div>
      {!this.state.overlayShowing ? null : <div className='translucent-overlay'><p>This content is Not Safe For Work. To show NSFW content in Community Content and search results, visit the <Link href="?settings" label="Settings page" /> and enable the option "Show NSFW content."</p></div>}
    </div>);
  }
});

var featuredContentLegendStyle = {
  fontSize: '12px',
  color: '#aaa',
  verticalAlign: '15%',
};

var FeaturedContent = React.createClass({
  render: function() {
    return (
      <div className="row-fluid">
        <div className="span6">
          <h3>Featured Content</h3>
          <FeaturedContentItem name="what" />
          <FeaturedContentItem name="itsadisaster" />
          <FeaturedContentItem name="keynesvhayek" />
          <FeaturedContentItem name="meetlbry1" />
        </div>
        <div className="span6">
          <h3>Community Content <ToolTipLink style={featuredContentLegendStyle} label="What's this?"
            tooltip='Community Content is a public space where anyone can share content with the rest of the LBRY community. Bid on the names "one," "two," "three" and "four" to put your content here!' /></h3>
          <FeaturedContentItem name="one" />
          <FeaturedContentItem name="two" />
          <FeaturedContentItem name="three" />
          <FeaturedContentItem name="four" />
        </div>
      </div>
    );
  }
});

var DiscoverPage = React.createClass({
  userTypingTimer: null,

  componentDidUpdate: function() {
    if (this.props.query != this.state.query)
    {
      this.handleSearchChanged();
    }
  },

  handleSearchChanged: function() {
    this.setState({
      searching: true,
      query: this.props.query,
    });

    lbry.search(this.props.query, this.searchCallback);
  },

  componentDidMount: function() {
    document.title = "Discover";
    if (this.props.query !== '') {
      // Rendering with a query already typed
      this.handleSearchChanged();
    }
  },

  getInitialState: function() {
    return {
      results: [],
      query: this.props.query,
      searching: this.props.query && this.props.query.length > 0
    };
  },

  searchCallback: function(results) {
    console.log('results:', results)
    console.log('search callback');
    console.log(this.state);
    console.log(this.props);
    if (this.state.searching) //could have canceled while results were pending, in which case nothing to do
    {
      this.setState({
        results: results,
        searching: false //multiple searches can be out, we're only done if we receive one we actually care about
      });
    }
  },

  render: function() {
    return (
      <main>
        { this.state.searching ? <SearchActive /> : null }
        { !this.state.searching && this.props.query && this.state.results.length ? <SearchResults results={this.state.results} /> : null }
        { !this.state.searching && this.props.query && !this.state.results.length ? <SearchNoResults query={this.props.query} /> : null }
        { !this.props.query && !this.state.searching ? <FeaturedContent /> : null }
      </main>
    );
  }
});