// Copyright 2015-2017 Parity Technologies (UK) Ltd.
// This file is part of Parity.

// Parity is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.

// Parity is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with Parity.  If not, see <http://www.gnu.org/licenses/>.

import React, { Component, PropTypes } from 'react';
import { connect } from 'react-redux';

import unknownImage from '~/../assets/images/contracts/unknown-64x64.png';

class TokenImage extends Component {
  static contextTypes = {
    api: PropTypes.object
  };

  static propTypes = {
    image: PropTypes.string,
    token: PropTypes.shape({
      image: PropTypes.string,
      address: PropTypes.string
    }).isRequired
  };

  render () {
    const { api } = this.context;
    const { image, token } = this.props;

    const imageurl = token.image || image;
    let imagesrc = unknownImage;

    if (imageurl) {
      const host = /^(\/)?api/.test(imageurl)
        ? api.dappsUrl
        : '';

      imagesrc = `${host}${imageurl}`;
    }

    return (
      <img
        src={ imagesrc }
        alt={ token.name }
      />
    );
  }
}

function mapStateToProps (iniState) {
  const { images } = iniState;

  return (_, props) => {
    const { token } = props;

    return { image: images[token.address] };
  };
}

export default connect(
  mapStateToProps,
  null
)(TokenImage);