// Copyright 2017-2019 @polkadot/ui-staking authors & contributors
// This software may be modified and distributed under the terms
// of the Apache-2.0 license. See the LICENSE file for details.

import { I18nProps } from '@polkadot/react-components/types';

import React from 'react';
import { Button, Dropdown, InputAddress, Modal, TxButton, TxComponent } from '@polkadot/react-components';
import { withMulti } from '@polkadot/react-api';

import translate from '../../translate';
import { rewardDestinationOptions } from '../constants';

interface Props extends I18nProps {
  defaultDestination?: number;
  controllerId: string;
  onClose: () => void;
}

interface State {
  destination: number;
}

class SetRewardDestination extends TxComponent<Props, State> {
  public constructor (props: Props) {
    super(props);

    this.state = {
      destination: 0
    };
  }

  public render (): React.ReactNode {
    const { controllerId, onClose, t } = this.props;
    const { destination } = this.state;
    const canSubmit = !!controllerId;

    return (
      <Modal
        className='staking--Bonding'
        dimmer='inverted'
        open
        size='small'
      >
        {this.renderContent()}
        <Modal.Actions>
          <Button.Group>
            <Button
              isNegative
              onClick={onClose}
              label={t('Cancel')}
              icon='cancel'
            />
            <Button.Or />
            <TxButton
              accountId={controllerId}
              isDisabled={!canSubmit}
              isPrimary
              label={t('Set reward destination')}
              icon='sign-in'
              onClick={onClose}
              params={[destination]}
              tx={'staking.setPayee'}
              ref={this.button}
            />
          </Button.Group>
        </Modal.Actions>
      </Modal>
    );
  }

  private renderContent (): React.ReactNode {
    const { controllerId, defaultDestination, t } = this.props;
    const { destination } = this.state;

    return (
      <>
        <Modal.Header>
          {t('Bonding Preferences')}
        </Modal.Header>
        <Modal.Content className='ui--signer-Signer-Content'>
          <InputAddress
            className='medium'
            isDisabled
            defaultValue={controllerId}
            help={t('The controller is the account that is be used to control any nominating or validating actions. I will sign this transaction.')}
            label={t('controller account')}
          />
          <Dropdown
            className='medium'
            defaultValue={defaultDestination}
            help={t('The destination account for any payments as either a nominator or validator')}
            label={t('payment destination')}
            onChange={this.onChangeDestination}
            options={rewardDestinationOptions}
            value={destination}
          />
        </Modal.Content>
      </>
    );
  }

  private onChangeDestination = (destination: number): void => {
    this.setState({ destination });
  }
}

export default withMulti(
  SetRewardDestination,
  translate
);