/*
Copyright 2015, 2016 OpenMarket Ltd

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

import React from 'react';
import sdk from '../../../index';
import MatrixClientPeg from '../../../MatrixClientPeg';

function DeviceListEntry(props) {
    const {userId, device} = props;

    const DeviceVerifyButtons = sdk.getComponent('elements.DeviceVerifyButtons');

    return (
        <li>
            <DeviceVerifyButtons device={ device } userId={ userId } />
            { device.deviceId }
            <br/>
            { device.getDisplayName() }
        </li>
    );
}

DeviceListEntry.propTypes = {
    userId: React.PropTypes.string.isRequired,

    // deviceinfo
    device: React.PropTypes.object.isRequired,
};


function UserUnknownDeviceList(props) {
    const {userId, userDevices} = props;

    const deviceListEntries = Object.keys(userDevices).map((deviceId) =>
       <DeviceListEntry key={ deviceId } userId={ userId } device={ userDevices[deviceId] } />,
    );

    return (
        <ul className="mx_UnknownDeviceDialog_deviceList">
            {deviceListEntries}
        </ul>
    );
}

UserUnknownDeviceList.propTypes = {
    userId: React.PropTypes.string.isRequired,

    // map from deviceid -> deviceinfo
    userDevices: React.PropTypes.object.isRequired,
};


function UnknownDeviceList(props) {
    const {devices} = props;

    const userListEntries = Object.keys(devices).map((userId) =>
        <li key={ userId }>
            <p>{ userId }:</p>
            <UserUnknownDeviceList userId={ userId } userDevices={ devices[userId] } />
        </li>,
    );

    return <ul>{userListEntries}</ul>;
}

UnknownDeviceList.propTypes = {
    // map from userid -> deviceid -> deviceinfo
    devices: React.PropTypes.object.isRequired,
};


export default React.createClass({
    displayName: 'UnknownEventDialog',

    propTypes: {
        room: React.PropTypes.object.isRequired,

        // map from userid -> deviceid -> deviceinfo
        devices: React.PropTypes.object.isRequired,
        onFinished: React.PropTypes.func.isRequired,
    },

    componentDidMount: function() {
        // Given we've now shown the user the unknown device, it is no longer
        // unknown to them. Therefore mark it as 'known'.
        Object.keys(this.props.devices).forEach((userId) => {
            Object.keys(this.props.devices[userId]).map((deviceId) => {
                MatrixClientPeg.get().setDeviceKnown(userId, deviceId, true);
            });
        });
    },

    render: function() {
        const client = MatrixClientPeg.get();
        const blacklistUnverified = client.getGlobalBlacklistUnverifiedDevices() || this.props.room.getBlacklistUnverifiedDevices();

        let warning;
        if (blacklistUnverified) {
            warning = <h4>You are currently blacklisting unverified devices; to send messages to these devices you must verify them.</h4>
        }
        else {
            warning = <h4>We strongly recommend you verify them before continuing.</h4>
        }

        const BaseDialog = sdk.getComponent('views.dialogs.BaseDialog');
        return (
            <BaseDialog className='mx_UnknownDeviceDialog'
                onFinished={this.props.onFinished}
                title='Room contains unknown devices'
            >
                <div className="mx_Dialog_content">
                    <h4>This room contains unknown devices which have not been verified.</h4>
                    { warning }
                    Unknown devices:
                    <UnknownDeviceList devices={this.props.devices} />
                </div>
                <div className="mx_Dialog_buttons">
                    <button className="mx_Dialog_primary" autoFocus={ true }
                            onClick={ this.props.onFinished } >
                        OK
                    </button>
                </div>
            </BaseDialog>
        );
        // XXX: do we want to give the user the option to enable blacklistUnverifiedDevices for this room (or globally) at this point?
        // It feels like confused users will likely turn it on and then disappear in a cloud of UISIs...
    },
});