// 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 } from 'react';
import PropTypes from 'prop-types';
import { FormattedMessage } from 'react-intl';

import { nullableProptype } from '@parity/shared/util/proptypes';
import TxHash from '@parity/ui/TxHash';

import { POSTING_REQUEST, POSTED_REQUEST, REQUESTING_CODE } from '../store';

import styles from './sendRequest.css';

export default class SendRequest extends Component {
  static propTypes = {
    step: PropTypes.any.isRequired,
    tx: nullableProptype(PropTypes.any.isRequired)
  }

  render () {
    const { step, tx } = this.props;

    switch (step) {
      case POSTING_REQUEST:
        return (
          <p>
            <FormattedMessage
              id='verification.request.authorise'
              defaultMessage='A verification request will be sent to the contract. Please authorize this using the Parity Signer.'
            />
          </p>
        );

      case POSTED_REQUEST:
        return (
          <div className={ styles.centered }>
            <TxHash
              hash={ tx }
              maxConfirmations={ 1 }
            />
            <p>
              <FormattedMessage
                id='verification.request.windowOpen'
                defaultMessage='Please keep this window open.'
              />
            </p>
          </div>
        );

      case REQUESTING_CODE:
        return (
          <p>
            <FormattedMessage
              id='verification.request.requesting'
              defaultMessage='Requesting a code from the Parity server and waiting for the puzzle to be put into the contract.'
            />
          </p>
        );

      default:
        return null;
    }
  }
}