/*
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.
*/
var React = require('react');
var sdk = require("../../../index");
var Entities = require("../../../Entities");
var MatrixClientPeg = require("../../../MatrixClientPeg");

const INITIAL_SEARCH_RESULTS_COUNT = 10;

module.exports = React.createClass({
    displayName: 'InviteMemberList',

    propTypes: {
        roomId: React.PropTypes.string.isRequired,
        onInvite: React.PropTypes.func.isRequired, // fn(inputText)
        onSearchQueryChanged: React.PropTypes.func // fn(inputText)
    },

    getDefaultProps: function() {
        return {
            onSearchQueryChanged: function() {}
        };
    },

    componentWillMount: function() {
        this._room = MatrixClientPeg.get().getRoom(this.props.roomId);
        this._emailEntity = null;
        // Load the complete user list for inviting new users
        // TODO: Keep this list bleeding-edge up-to-date. Practically speaking,
        // it will do for now not being updated as random new users join different
        // rooms as this list will be reloaded every room swap.
        if (this._room) {
            this._userList = MatrixClientPeg.get().getUsers().filter((u) => {
                return !this._room.hasMembershipState(u.userId, "join");
            });
        }
    },

    onInvite: function(ev) {
        this.props.onInvite(this._input);
    },

    onSearchQueryChanged: function(input) {
        this._input = input;
        var EntityTile = sdk.getComponent("rooms.EntityTile");
        var BaseAvatar = sdk.getComponent("avatars.BaseAvatar");

        var label = input;
        // if (input[0] === "@") {
        //     label = input;
        // }
        // else {
        //     label = "Email: " + input;
        // }

        this._emailEntity = new Entities.newEntity(
            <EntityTile key="dynamic_invite_tile" suppressOnHover={true} showInviteButton={true}
            avatarJsx={ <BaseAvatar name="@" width={36} height={36} /> }
            className="mx_EntityTile_invitePlaceholder"
            presenceState="online" onClick={this.onInvite} name={label} />,
            function(query) {
                return true; // always show this
            }
        );

        this.props.onSearchQueryChanged(input);
    },

    render: function() {
        var SearchableEntityList = sdk.getComponent("rooms.SearchableEntityList");
        var entities = Entities.fromUsers(this._userList || [], true, this.props.onInvite);

        // Add an "Email: foo@bar.com" tile as the first tile
        if (this._emailEntity) {
            entities.unshift(this._emailEntity);
        }

        return (
            <SearchableEntityList searchPlaceholderText={"Invite/search by name, email, id"}
                onSubmit={this.props.onInvite}
                onQueryChanged={this.onSearchQueryChanged}
                entities={entities}
                truncateAt={INITIAL_SEARCH_RESULTS_COUNT}/>
        );
    }
});