import React from 'react';
import ImmutablePropTypes from 'react-immutable-proptypes';
import ImmutablePureComponent from 'react-immutable-pure-component';
import { defineMessages, injectIntl } from 'react-intl';
import { Link } from 'react-router-dom';
import { shortNumberFormat } from '../../../utils/numbers';
import { connect } from 'react-redux';

const messages = defineMessages({
    members: { id: 'groups.card.members', defaultMessage: 'Members' },
    view: { id: 'groups.card.view', defaultMessage: 'View' },
    join: { id: 'groups.card.join', defaultMessage: 'Join' },
    role_member: { id: 'groups.card.roles.member', defaultMessage: 'You\'re a member' },
    role_admin: { id: 'groups.card.roles.admin', defaultMessage: 'You\'re an admin' },
});

const mapStateToProps = (state, { id }) => ({
	group: state.getIn(['groups', id]),
	relationships: state.getIn(['group_relationships', id]),
});

export default @connect(mapStateToProps)
@injectIntl
class GroupCard extends ImmutablePureComponent {
    static propTypes = {
        group: ImmutablePropTypes.map,
        relationships: ImmutablePropTypes.map,
    }

    getRole() {
        const { intl, relationships } = this.props;

        if (!relationships) return null;
        if (relationships.get('admin')) return intl.formatMessage(messages.role_admin);
        if (relationships.get('member')) return intl.formatMessage(messages.role_member);
    }

    render() {
        const { intl, group } = this.props;
        const coverImageUrl = group.get('cover_image_url');
        const role = this.getRole();

        return (
            <Link to={`/groups/${group.get('id')}`} className="group-card">
                <div className="group-card__header">{coverImageUrl && <img alt="" src={coverImageUrl} />}</div>
                <div className="group-card__content">
                    <div className="group-card__title">{group.get('title')}</div>
                    <div className="group-card__meta"><strong>{shortNumberFormat(group.get('member_count'))}</strong> {intl.formatMessage(messages.members)}{role && <span> · {role}</span>}</div>
                    <div className="group-card__description">{group.get('description')}</div>
                </div>
            </Link>
        );
    }
}