import ImmutablePureComponent from 'react-immutable-pure-component';
import ImmutablePropTypes from 'react-immutable-proptypes';
import debounce from 'lodash.debounce'
import ColumnIndicator from '../components/column_indicator';
import {
	fetchRemovedAccounts,
	expandRemovedAccounts,
	removeRemovedAccount,
} from '../actions/groups';
import { FormattedMessage } from 'react-intl';
import AccountContainer from '../containers/account_container';
import ScrollableList from '../components/scrollable_list';
import { defineMessages, injectIntl } from 'react-intl';

const messages = defineMessages({
	remove: { id: 'groups.removed_accounts', defaultMessage: 'Allow joining' },
});

const mapStateToProps = (state, { params: { id } }) => ({
	group: state.getIn(['groups', id]),
	accountIds: state.getIn(['user_lists', 'groups_removed_accounts', id, 'items']),
	hasMore: !!state.getIn(['user_lists', 'groups_removed_accounts', id, 'next']),
});

export default
@connect(mapStateToProps)
@injectIntl
class GroupRemovedAccounts extends ImmutablePureComponent {

	static propTypes = {
		params: PropTypes.object.isRequired,
		dispatch: PropTypes.func.isRequired,
		accountIds: ImmutablePropTypes.list,
		hasMore: PropTypes.bool,
	};

	componentWillMount() {
		const { params: { id } } = this.props;

		this.props.dispatch(fetchRemovedAccounts(id));
	}

	componentWillReceiveProps(nextProps) {
		if (nextProps.params.id !== this.props.params.id) {
			this.props.dispatch(fetchRemovedAccounts(nextProps.params.id));
		}
	}

	handleLoadMore = debounce(() => {
		this.props.dispatch(expandRemovedAccounts(this.props.params.id));
	}, 300, { leading: true });

	render() {
		const { accountIds, hasMore, group, intl } = this.props;

		if (!group || !accountIds) {
			return <ColumnIndicator type='loading' />
		}

		return (
			<ScrollableList
				scrollKey='removed_accounts'
				hasMore={hasMore}
				onLoadMore={this.handleLoadMore}
				emptyMessage={<FormattedMessage id='group.removed_accounts.empty' defaultMessage='This group does not has any removed accounts.' />}
			>
				{accountIds.map(id => (<AccountContainer
					key={id}
					id={id}
					actionIcon='remove'
					onActionClick={() => this.props.dispatch(removeRemovedAccount(group.get('id'), id))}
					actionTitle={intl.formatMessage(messages.remove)}
				/>))}
			</ScrollableList>
		)
	}

}