// @flow
import React from 'react';
import PropTypes from 'prop-types';
import translate from 'translations';
import WalletDecrypt from 'components/WalletDecrypt';
import BaseWallet from 'libs/wallet/base';
import { connect } from 'react-redux';
import type { State } from 'reducers';

type Props = {
    title: string,
    wallet: BaseWallet
};

export class UnlockHeader extends React.Component {
    props: Props;
    static propTypes = {
        title: PropTypes.string.isRequired
    };

    state: {
        expanded: boolean
    } = {
        expanded: true
    };

    componentDidUpdate(prevProps: Props) {
        if (this.props.wallet && this.props.wallet !== prevProps.wallet) {
            this.setState({ expanded: false });
        }

        // not sure if could happen
        if (!this.props.wallet && this.props.wallet !== prevProps.wallet) {
            this.setState({ expanded: true });
        }
    }

    render() {
        return (
            <article className="collapse-container">
                <div onClick={this.toggleExpanded}>
                    <a className="collapse-button">
                        <span>
                            {this.state.expanded ? '-' : '+'}
                        </span>
                    </a>
                    <h1>
                        {translate(this.props.title)}
                    </h1>
                </div>
                {this.state.expanded &&
                    <div>
                        <WalletDecrypt />
                        {/* @@if (site === 'cx' )  {  <cx-wallet-decrypt-drtv></cx-wallet-decrypt-drtv>   }
    @@if (site === 'mew' ) {  <wallet-decrypt-drtv></wallet-decrypt-drtv>         } */}
                    </div>}

                {this.state.expanded && <hr />}
            </article>
        );
    }

    toggleExpanded = () => {
        this.setState(state => {
            return { expanded: !state.expanded };
        });
    };
}

function mapStateToProps(state: State) {
    return {
        wallet: state.wallet
    };
}

export default connect(mapStateToProps)(UnlockHeader);