/*
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 CallHandler = require('../../../CallHandler');
var MatrixClientPeg = require('../../../MatrixClientPeg');
var sdk = require('../../../index');
var dis = require('../../../dispatcher');


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

    propTypes: {
        tabComplete: React.PropTypes.any,

        // a callback which is called when the height of the composer is
        // changed due to a change in content.
        onResize: React.PropTypes.func,

        // js-sdk Room object
        room: React.PropTypes.object.isRequired,

        // string representing the current voip call state
        callState: React.PropTypes.string,

        // callback when a file to upload is chosen
        uploadFile: React.PropTypes.func.isRequired,
    },

    onUploadClick: function(ev) {
        this.refs.uploadInput.click();
    },

    onUploadFileSelected: function(ev) {
        var files = ev.target.files;
        // MessageComposer shouldn't have to rely on its parent passing in a callback to upload a file
        if (files && files.length > 0) {
            this.props.uploadFile(files[0]);
        }
        this.refs.uploadInput.value = null;
    },

    onHangupClick: function() {
        var call = CallHandler.getCallForRoom(this.props.room.roomId);
        //var call = CallHandler.getAnyActiveCall();
        if (!call) {
            return;
        }
        dis.dispatch({
            action: 'hangup',
            // hangup the call for this room, which may not be the room in props
            // (e.g. conferences which will hangup the 1:1 room instead)
            room_id: call.roomId
        });
    },

    onCallClick: function(ev) {
        dis.dispatch({
            action: 'place_call',
            type: ev.shiftKey ? "screensharing" : "video",
            room_id: this.props.room.roomId
        });
    },

    onVoiceCallClick: function(ev) {
        dis.dispatch({
            action: 'place_call',
            type: 'voice',
            room_id: this.props.room.roomId
        });
    },

    render: function() {
        var me = this.props.room.getMember(MatrixClientPeg.get().credentials.userId);
        var uploadInputStyle = {display: 'none'};
        var MemberAvatar = sdk.getComponent('avatars.MemberAvatar');
        var TintableSvg = sdk.getComponent("elements.TintableSvg");
        var MessageComposerInput = sdk.getComponent("rooms.MessageComposerInput");

        var callButton, videoCallButton, hangupButton;
        if (this.props.callState && this.props.callState !== 'ended') {
            hangupButton =
                <div className="mx_MessageComposer_hangup" onClick={this.onHangupClick}>
                    <img src="img/hangup.svg" alt="Hangup" title="Hangup" width="25" height="26"/>
                </div>;
        }
        else {
            callButton =
                <div className="mx_MessageComposer_voicecall" onClick={this.onVoiceCallClick} title="Voice call">
                    <TintableSvg src="img/voice.svg" width="16" height="26"/>
                </div>
            videoCallButton =
                <div className="mx_MessageComposer_videocall" onClick={this.onCallClick} title="Video call">
                    <TintableSvg src="img/call.svg" width="30" height="22"/>
                </div>
        }

        return (
        <div className="mx_MessageComposer">
            <div className="mx_MessageComposer_wrapper">
                <div className="mx_MessageComposer_row">
                    <div className="mx_MessageComposer_avatar">
                        <MemberAvatar member={me} width={24} height={24} />
                    </div>
                    <MessageComposerInput tabComplete={this.props.tabComplete} onResize={this.props.onResize}
                        room={this.props.room} />
                    <div className="mx_MessageComposer_upload" onClick={this.onUploadClick} title="Upload file">
                        <TintableSvg src="img/upload.svg" width="19" height="24"/>
                        <input type="file" style={uploadInputStyle} ref="uploadInput" onChange={this.onUploadFileSelected} />
                    </div>
                    { hangupButton }
                    { callButton }
                    { videoCallButton }
                </div>
            </div>
        </div>
        );
    }
});