@extends('layouts.meeting')
@section('content')

    <div id="meetingComponent">

        <h5 class="bg-dark font-weight-bold text-white m-0 py-3 px-4 d-flex">
            <span>Meeting</span>
            <span class="ml-auto" v-if="!started">
                Connecting...
            </span>
            <span class="ml-auto" v-if="started">
                <i class="fa fa-clock mr-1 text-light"></i>
                @{{ timeDisplay() }}
            </span>
        </h5>

        <div class="d-flex align-items-stretch mt-4 justify-content-center flex-nowrap">
            <div class="tp-bar">
                <div v-for="(guest, index) of guests"
                     class="tp-item mb-4"
                     :class="activeParticipant && activeType === 'guest' && activeParticipant.id === guest.id ? 'active' : ''"
                     v-on:click="setActiveView('guest', guest)">
                    <div class="avatar text-white" :style="'background: ' + guest.color">@{{ getInitials(guest.name) }}</div>
                    <p class="font-weight-bold text-center mt-1 mb-0 text-single mx-1">@{{ guest.name }}</p>
                </div>
                <div v-if="guest" class="tp-item mb-4">
                    <img src="/images/person/guest.png" alt="" class="invite-image">
                    <p class="font-weight-bold text-center mt-1">Invite Guest</p>
                </div>
            </div>
            <div class="main-view" style="width: 800px; min-height: 600px;">
                <div class="p-4 w-100 h-100 d-flex align-items-stretch justify-content-end flex-column">
                    <p class="font-weight-bold text-center text-white mt-2">Feed from @{{ activeParticipant.name }}</p>
                    <button class="btn btn-sm btn-danger px-4 align-self-end mx-auto font-weight-bold"
                            v-on:click="leaveCall()">Leave</button>
                </div>
            </div>
            <div class="tp-bar">
                <div v-for="(pro, index) of pros"
                     class="tp-item mb-4"
                     :class="activeParticipant && activeType === 'pro' && activeParticipant.id === pro.id ? 'active' : ''"
                     v-on:click="setActiveView('pro', pro)">
                    <div v-if="pro.status === 'active'">
                        <div class="avatar text-white" :style="'background: ' + pro.color">@{{ getInitials(pro.name) }}</div>
                        <p class="font-weight-bold text-center mt-1 mb-0 text-single mx-1">@{{ pro.name }}</p>
                        <p v-if="pro.type" class="font-weight-normal text-center text-single mx-1">@{{ pro.type }}</p>
                    </div>
                    <div v-if="pro.status === 'connecting'">
                        <img src="/images/person/connecting.jpg" alt="" class="w-100">
                        <p class="font-weight-normal text-center mt-1 d-flex align-items-center justify-content-center">
                            <img src="/images/loading.gif" class="mr-1">
                            Connecting
                        </p>
                    </div>
                </div>
                <div v-if="!guest" class="tp-item mb-4">
                    <img src="/images/person/guest.png" alt="" class="invite-image">
                    <p class="font-weight-bold text-center mt-1">Invite Pro</p>
                </div>
            </div>
        </div>

    </div>

    <script>

        const allParticipants = {!! json_encode($participants)  !!},
            allPros = [],
            allGuests = [];
        for (let i = 0; i < allParticipants.length; i++) {
            if(allParticipants[i].guest_or_pro === 'PRO') {
                allPros.push({
                    id: allParticipants[i].uid,
                    name: allParticipants[i].proName,
                    type: 'Pro',
                    image: '',
                    color: '', // fill in mounted()
                    status: 'active',
                });
            }
            else {
                allGuests.push({
                    id: allParticipants[i].uid,
                    name: allParticipants[i].guest_name,
                    image: '',
                    color: '', // fill in mounted()
                    status: 'active',
                })
            }
        }

        new Vue({
            el: '#meetingComponent',
            delimiters: ['@{{', '}}'],
            data: {
                meetingID: '<?= $meetingID ?>',
                participantID: '<?= $guest ? $participantID : '' ?>',
                socket: null,
                stompClient: null,
                time: 0,
                startTime: 0,
                started: false,
                guest: <?= $guest ? 'true' : 'false' ?>,
                activeType: false,
                activeParticipant: false,
                exitURL: '<?= $guest ? '/' : '/pro/dashboard' ?>',
                allPastels: [
                    '#89cff0',
                    '#99c5c4',
                    '#9adedb',
                    '#aa9499',
                    '#aaf0d1',
                    '#b2fba5',
                    '#b39eb5',
                    '#bdb0d0',
                    '#bee7a5',
                    '#befd73',
                    '#c1c6fc',
                    '#c6a4a4',
                    '#c8ffb0',
                    '#cb99c9',
                    '#cef0cc',
                    '#cfcfc4',
                    '#d6fffe',
                    '#d8a1c4',
                    '#dea5a4',
                    '#deece1',
                    '#dfd8e1',
                    '#e5d9d3',
                    '#e9d1bf',
                    '#f49ac2',
                    '#f4bfff',
                    '#fdfd96',
                    '#ff6961',
                    '#ff964f',
                    '#ff9899',
                    '#ffb7ce',
                    '#ca9bf7'
                ],
                usedPastels: [],
                guests: [
                    {
                        id: '',
                        name: '',
                        image: '',
                        color: '',
                        status: 'connecting',
                    },
                ],
                pros: [
                    {
                        id: '',
                        name: '',
                        type: '',
                        image: '',
                        color: '',
                        status: '',
                    }
                ]
            },
            methods: {
                getUnusedPastel: function() {
                    for (let i = 0; i < this.allPastels.length; i++) {
                        if(this.usedPastels.indexOf(this.allPastels[i]) === -1) {
                            this.usedPastels.push(this.allPastels[i]);
                            return this.allPastels[i];
                        }
                    }
                    return '#fff';
                },
                getInitials: function(_name) {
                    var parts = _name.split(/\s+/g);
                    parts = parts.map(_part => _part[0]);
                    return parts.join('');
                },
                setActiveView: function(_type, _participant) {
                    if(_participant.status === 'active') {
                        this.activeType = _type;
                        this.activeParticipant = _participant;
                    }
                },
                timeDisplay: function() {
                    var seconds = this.time / 1000,
                        minutes = parseInt(seconds / 60, 10);
                    seconds = parseInt(seconds % 60, 10);
                    return minutes + " min, " + seconds + " sec";
                },
                connectToFirstPro: function() {
                    console.log('Connecting to first pro ...');
                    this.pros = [];
                    this.addPro();
                    $.post('/api/meeting/request-dial-pro', {
                        meetingUid: this.meetingID,
                    }, function(_data) {
                        console.log('Response to /api/meeting/request-dial-pro');
                        console.log(_data);
                    }, 'json');
                },
                ifGuestExisting: function(_id) {
                    var matching = this.guests.filter(function(_item) {
                        return _item.id === _id;
                    });
                    return !!matching.length;
                },
                addGuest: function() {
                    this.guests.push({
                        id: '',
                        name: '',
                        image: '',
                        color: this.getUnusedPastel(),
                        status: 'active',
                    });
                    return this.guests[this.guests.length - 1];
                },
                addPro: function() {
                    this.pros.push({
                        id: '0',
                        name: 'Pro',
                        type: 'Receptionist',
                        image: '/images/person/nancy.jpg',
                        color: this.getUnusedPastel(),
                        status: 'connecting',
                    });
                    return this.pros[this.pros.length - 1];
                },
                onProJoined: function(_data) {

                    var found = false;

                    // find pro with participant id
                    var pro = this.pros.filter(function(_pro) {
                        return _pro.id === _data.meetingParticipantUid;
                    });

                    // no pro with id, find first one with id = 0
                    if(!pro.length) {
                        pro = this.pros.filter(function(_pro) {
                            return _pro.id === "0";
                        });
                    }

                    // no pro with id = 0, create one
                    if(!pro.length) {
                        pro = this.addPro();
                    }
                    else {
                        pro = pro[0];
                    }

                    pro.id = _data.meetingParticipantUid;
                    pro.name = _data.proDisplayName;
                    pro.type = _data.hcpCategory;
                    pro.status = 'active';

                    @if($guest)
                        var self = this;
                        if(!this.startTime) {
                            this.startTime = new Date().getTime();
                            window.setInterval(function() {
                                self.time = new Date().getTime() - self.startTime;
                            }, 1000);
                            this.started = true;
                        }
                    @endif

                    // TODO: init pro stream
                },
                onParticipantLeft: function(_id) {
                    this.pros = this.pros.filter(function(_row) {
                        return _row.id !== _id;
                    });
                    this.guests = this.guests.filter(function(_row) {
                        return _row.id !== _id;
                    });
                },
                leaveCall: function() {
                    this.stompClient.send("/app/meeting-participant-leave-meeting", {},
                        JSON.stringify({
                            meetingParticipantUid: this.participantID
                        })
                    );
                    window.location.href = this.exitURL;
                }
            },
            mounted: function() {

                this.guests = allGuests;
                this.pros = allPros;

                for (let i = 0; i < this.guests.length; i++) {
                    this.guests[i].color = this.getUnusedPastel();
                }
                for (let i = 0; i < this.pros.length; i++) {
                    this.pros[i].color = this.getUnusedPastel();
                }

                var self = this;

                // connect to WS
                self.socket = new SockJS('http://localhost:8080/ws');
                self.stompClient = Stomp.over(self.socket);
                self.stompClient.connect({}, function (frame) {
                    console.log('Connected: ' + frame);

                    @if($guest)

                        // add self and set as active
                        if(!self.ifGuestExisting('<?= $participantID ?>')) {
                            var guest = self.addGuest();
                            guest.id = '<?= $participantID ?>';
                            guest.status = 'active';
                            guest.name = 'Guest';
                        }

                        // WS Subscriptions
                        self.stompClient.subscribe("/topic/on-pro-join-meeting", function (message) {
                            console.log("on-pro-join-meeting:", message);
                            self.onProJoined(JSON.parse(message.body));
                        });
                        self.stompClient.subscribe("/topic/on-meeting-participant-left-meeting", function (message) {
                            console.log("/topic/on-meeting-participant-left-meeting", message);
                            var parsed = JSON.parse(message.body);
                            self.onParticipantLeft(parsed.meetingParticipantUid);
                        });

                        // join self
                        self.stompClient.send("/app/meeting-participant-join-meeting", {},
                            JSON.stringify({
                                meetingParticipantUid: self.participantID
                            })
                        );

                        // attempt to connect to first pro if "start"
                        @if(request('start'))
                            self.connectToFirstPro();
                        @endif

                    @else

                        // WS subscriptions

                        // self joined confirmation
                        self.stompClient.subscribe("/user/topic/on-pro-self-join-meeting", function (message) {
                            console.log("/user/topic/on-pro-self-join-meeting:", message);
                            var parsed = JSON.parse(message.body);
                            self.onProJoined(parsed);
                            self.participantID = parsed.meetingParticipantUid;
                        });
                        self.stompClient.subscribe("/topic/on-meeting-participant-left-meeting", function (message) {
                            console.log("/topic/on-meeting-participant-left-meeting", message);
                            var parsed = JSON.parse(message.body);
                            self.onParticipantLeft(parsed.meetingParticipantUid);
                        });

                        // join self
                        self.stompClient.send("/app/pro-join-meeting", {},
                            JSON.stringify({
                                sessionKey: "<?= request()->cookie('sessionKey') ?>",
                                meetingUid: "<?= $meetingID ?>",
                            })
                        );

                        @if(!$guest)
                        if(!self.startTime) {
                            self.startTime = new Date().getTime();
                            window.setInterval(function() {
                                self.time = new Date().getTime() - self.startTime;
                            }, 1000);
                            self.started = true;
                        }
                        @endif
                    @endif

                    // TODO: init own stream

                    self.stompClient.subscribe("/topic/on-meeting-participant-connection-status-change", function(message){
                        /*
                        String messagePartipantUid;
                        boolean isConnected;
                         */
                        console.log(message);
                    });

                });
            }
        });
    </script>

@endsection