// Copyright 2015, 2016 Ethcore (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 { observer } from 'mobx-react';
import DoneIcon from 'material-ui/svg-icons/action/done';
import { List, ListItem } from 'material-ui/List';
import Checkbox from 'material-ui/Checkbox';

import { Modal, Button } from '../../../ui';

import styles from './AddDapps.css';

@observer
export default class AddDapps extends Component {
  static propTypes = {
    store: PropTypes.object.isRequired
  };

  render () {
    const { store } = this.props;

    if (!store.modalOpen) {
      return null;
    }

    return (
      <Modal
        compact
        title='visible applications'
        actions={ [
          <Button
            label={ 'Done' }
            key='done'
            onClick={ store.closeModal }
            icon={ <DoneIcon /> }
          />
        ] }
        visible
        scroll>
        <div className={ styles.warning } />
        { this.renderList(store.sortedLocal, 'Applications locally available', 'All applications installed locally on the machine by the user for access by the Parity client.') }
        { this.renderList(store.sortedBuiltin, 'Applications bundled with Parity', 'Experimental applications developed by the Parity team to show off dapp capabilities, integration, experimental features and to control certain network-wide client behaviour.') }
        { this.renderList(store.sortedNetwork, 'Applications on the global network', 'These applications are not affiliated with Parity nor are they published by Parity. Each remain under the control of their respective authors. Please ensure that you understand the goals for each application before interacting.') }
      </Modal>
    );
  }

  renderList (items, header, byline) {
    if (!items || !items.length) {
      return null;
    }

    return (
      <div className={ styles.list }>
        <div className={ styles.background }>
          <div className={ styles.header }>{ header }</div>
          <div className={ styles.byline }>{ byline }</div>
        </div>
        <List>
          { items.map(this.renderApp) }
        </List>
      </div>
    );
  }

  renderApp = (app) => {
    const { store } = this.props;
    const isHidden = !store.displayApps[app.id].visible;

    const onCheck = () => {
      if (isHidden) {
        store.showApp(app.id);
      } else {
        store.hideApp(app.id);
      }
    };

    return (
      <ListItem
        key={ app.id }
        leftCheckbox={
          <Checkbox
            checked={ !isHidden }
            onCheck={ onCheck }
          />
        }
        primaryText={ app.name }
        secondaryText={
          <div className={ styles.description }>
            { app.description }
          </div>
        }
      />
    );
  }
}