//
// coordinatorAC.js
// 
//  Created by Thijs Wenker on 4/14/17
//  Copyright 2017 High Fidelity, Inc.
//
//  Distributed under the Apache License, Version 2.0.
//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
//

//debugger;

var randFloat = function(low, high) {
    return low + Math.random() * (high - low);
};

var VISUALIZATION = false;
var COORDINATOR_CHANNEL = 'COORDINATOR-AC';
var ACTOR_CHANNEL_PREFIX = 'ACTOR-PLAYBACK-AC_';

var AVATARS_ARRAY = [
"http://cdn.highfidelity.com/chris/production/morph/1/1.fst",
"http://cdn.highfidelity.com/chris/production/morph/2/2.fst",
"http://cdn.highfidelity.com/chris/production/morph/3/3.fst",
"http://cdn.highfidelity.com/chris/production/morph/4/4.fst",
"http://cdn.highfidelity.com/chris/production/morph/5/5.fst",
"http://cdn.highfidelity.com/chris/production/morph/6/6.fst",
"http://cdn.highfidelity.com/chris/production/morph/7/7.fst",
"http://cdn.highfidelity.com/chris/production/morph/8/8.fst",
"http://cdn.highfidelity.com/chris/production/morph/9/9.fst",
"http://cdn.highfidelity.com/chris/production/morph/10/10.fst",
"http://cdn.highfidelity.com/chris/production/morph/11/11.fst",
"http://cdn.highfidelity.com/chris/production/morph/12/12.fst",
"http://cdn.highfidelity.com/chris/production/morph/13/13.fst",
"http://cdn.highfidelity.com/chris/production/morph/14/14.fst",
"http://cdn.highfidelity.com/chris/production/morph/15/15.fst",
"http://cdn.highfidelity.com/chris/production/morph/16/16.fst",
"http://cdn.highfidelity.com/chris/production/morph/17/17.fst",
"http://cdn.highfidelity.com/chris/production/morph/18/18.fst",
"http://cdn.highfidelity.com/chris/production/morph/19/19.fst",
"http://cdn.highfidelity.com/chris/production/morph/20/20.fst",
"http://cdn.highfidelity.com/chris/production/morph/21/21.fst",
"http://cdn.highfidelity.com/chris/production/morph/22/22.fst",
"http://cdn.highfidelity.com/chris/production/morph/23/23.fst",
"http://cdn.highfidelity.com/chris/production/morph/24/24.fst",
"http://cdn.highfidelity.com/chris/production/morph/25/25.fst",
"http://cdn.highfidelity.com/chris/production/morph/26/26.fst",
"http://cdn.highfidelity.com/chris/production/morph/27/27.fst",
"http://cdn.highfidelity.com/chris/production/morph/28/28.fst",
"http://cdn.highfidelity.com/chris/production/morph/29/29.fst",
"http://cdn.highfidelity.com/chris/production/morph/30/30.fst",
"http://cdn.highfidelity.com/chris/production/morph/31/31.fst",
"http://cdn.highfidelity.com/chris/production/morph/32/32.fst",
"http://cdn.highfidelity.com/chris/production/morph/33/33.fst",
"http://cdn.highfidelity.com/chris/production/morph/34/34.fst",
"http://cdn.highfidelity.com/chris/production/morph/35/35.fst",
"http://cdn.highfidelity.com/chris/production/morph/36/36.fst",
"http://cdn.highfidelity.com/chris/production/morph/37/37.fst",
"http://cdn.highfidelity.com/chris/production/morph/38/38.fst",
"http://cdn.highfidelity.com/chris/production/morph/39/39.fst",
"http://cdn.highfidelity.com/chris/production/morph/40/40.fst",
"http://cdn.highfidelity.com/chris/production/morph/41/41.fst",
"http://cdn.highfidelity.com/chris/production/morph/42/42.fst",
"http://cdn.highfidelity.com/chris/production/morph/43/43.fst",
"http://cdn.highfidelity.com/chris/production/morph/44/44.fst",
"http://cdn.highfidelity.com/chris/production/morph/45/45.fst",
"http://cdn.highfidelity.com/chris/production/morph/46/46.fst",
"http://cdn.highfidelity.com/chris/production/morph/47/47.fst",
"http://cdn.highfidelity.com/chris/production/morph/48/48.fst",
"http://cdn.highfidelity.com/chris/production/morph/49/49.fst",
"http://cdn.highfidelity.com/chris/production/morph/50/50.fst",
"http://cdn.highfidelity.com/chris/production/morph/51/51.fst",
"http://cdn.highfidelity.com/chris/production/morph/52/52.fst",
"http://cdn.highfidelity.com/chris/production/morph/53/53.fst",
"http://cdn.highfidelity.com/chris/production/morph/54/54.fst",
"http://cdn.highfidelity.com/chris/production/morph/55/55.fst",
"http://cdn.highfidelity.com/chris/production/morph/56/56.fst",
"http://cdn.highfidelity.com/chris/production/morph/57/57.fst",
"http://cdn.highfidelity.com/chris/production/morph/58/58.fst",
"http://cdn.highfidelity.com/chris/production/morph/59/59.fst",
"http://cdn.highfidelity.com/chris/production/morph/60/60.fst",
"http://cdn.highfidelity.com/chris/production/morph/61/61.fst",
"http://cdn.highfidelity.com/chris/production/morph/62/62.fst",
"http://cdn.highfidelity.com/chris/production/morph/63/63.fst",
"http://cdn.highfidelity.com/chris/production/morph/64/64.fst",
"http://cdn.highfidelity.com/chris/production/morph/65/65.fst",
"http://cdn.highfidelity.com/chris/production/morph/66/66.fst",
"http://cdn.highfidelity.com/chris/production/morph/67/67.fst",
"http://cdn.highfidelity.com/chris/production/morph/68/68.fst",
"http://cdn.highfidelity.com/chris/production/morph/69/69.fst",
"http://cdn.highfidelity.com/chris/production/morph/70/70.fst",
"http://cdn.highfidelity.com/chris/production/morph/71/71.fst",
"http://cdn.highfidelity.com/chris/production/morph/72/72.fst",
"http://cdn.highfidelity.com/chris/production/morph/73/73.fst",
"http://cdn.highfidelity.com/chris/production/morph/74/74.fst",
"http://cdn.highfidelity.com/chris/production/morph/75/75.fst",
"http://cdn.highfidelity.com/chris/production/morph/76/76.fst",
"http://cdn.highfidelity.com/chris/production/morph/77/77.fst",
"http://cdn.highfidelity.com/chris/production/morph/78/78.fst",
"http://cdn.highfidelity.com/chris/production/morph/79/79.fst",
"http://cdn.highfidelity.com/chris/production/morph/80/80.fst",
"http://cdn.highfidelity.com/chris/production/morph/81/81.fst",
"http://cdn.highfidelity.com/chris/production/morph/82/82.fst",
"http://cdn.highfidelity.com/chris/production/morph/83/83.fst",
"http://cdn.highfidelity.com/chris/production/morph/84/84.fst",
"http://cdn.highfidelity.com/chris/production/morph/85/85.fst",
"http://cdn.highfidelity.com/chris/production/morph/86/86.fst",
"http://cdn.highfidelity.com/chris/production/morph/87/87.fst",
"http://cdn.highfidelity.com/chris/production/morph/88/88.fst",
"http://cdn.highfidelity.com/chris/production/morph/89/89.fst",
"http://cdn.highfidelity.com/chris/production/morph/90/90.fst",
"http://cdn.highfidelity.com/chris/production/morph/91/91.fst",
"http://cdn.highfidelity.com/chris/production/morph/92/92.fst",
"http://cdn.highfidelity.com/chris/production/morph/93/93.fst",
"http://cdn.highfidelity.com/chris/production/morph/94/94.fst",
"http://cdn.highfidelity.com/chris/production/morph/95/95.fst",
"http://cdn.highfidelity.com/chris/production/morph/96/96.fst",
"http://cdn.highfidelity.com/chris/production/morph/97/97.fst",
"http://cdn.highfidelity.com/chris/production/morph/98/98.fst",
"http://cdn.highfidelity.com/chris/production/morph/99/99.fst",
"http://cdn.highfidelity.com/chris/production/morph/100/100.fst",
"http://cdn.highfidelity.com/chris/production/morph/101/101.fst",
"http://cdn.highfidelity.com/chris/production/morph/102/102.fst",
"http://cdn.highfidelity.com/chris/production/morph/103/103.fst",
"http://cdn.highfidelity.com/chris/production/morph/104/104.fst"
];

var RECORDINGS_ARRAY = [
    "http://hifi-content.s3.amazonaws.com/DomainContent/Event%20/NPC%27s/peanuts.hfr",
    "http://hifi-content.s3.amazonaws.com/caitlyn/dev/npc/npc_theaterTakes/arya_heyChris.hfr",
    "http://hifi-content.s3.amazonaws.com/caitlyn/dev/npc/npc_theaterTakes/cal_alrightCool.hfr",
    "http://hifi-content.s3.amazonaws.com/caitlyn/dev/npc/npc_theaterTakes/carmen_excuseMe.hfr",
    "http://hifi-content.s3.amazonaws.com/caitlyn/dev/npc/npc_theaterTakes/fausto_someGoodSeats.hfr",
    "http://hifi-content.s3.amazonaws.com/caitlyn/dev/npc/npc_theaterTakes/halima_thatdBeFine.hfr",
    "http://hifi-content.s3.amazonaws.com/caitlyn/dev/npc/npc_sargon_duckiesAndBunnies.hfr",
    "http://hifi-content.s3.amazonaws.com/caitlyn/dev/npc/npc_bianca_smileInTheMorning.hfr",
    "http://hifi-content.s3.amazonaws.com/caitlyn/dev/npc/npc_kobe_adversityHasStrengthenedMe.hfr",
    "http://hifi-content.s3.amazonaws.com/caitlyn/dev/npc/npc_raffaello_tryTheCottonCandy.hfr",
    "http://hifi-content.s3.amazonaws.com/caitlyn/dev/npc/npc_rasta_noLinesInNature.hfr",
    "http://hifi-content.s3.amazonaws.com/caitlyn/dev/npc/npc_mcGee_strawberries.hfr",
    "http://hifi-content.s3.amazonaws.com/caitlyn/dev/npc/npc_purple_manNeedsColorToLive.hfr",
    "http://hifi-content.s3.amazonaws.com/caitlyn/dev/npc/npc_roia_differentOpinions.hfr",
    "http://hifi-content.s3.amazonaws.com/caitlyn/dev/npc/npc_annie_newDayNewStrength.hfr",
    "http://hifi-content.s3.amazonaws.com/caitlyn/dev/npc/npc_halima_aCalmMind.hfr",
    "http://hifi-content.s3.amazonaws.com/caitlyn/dev/npc/npc_isobel_warIsPeace.hfr",
    "http://hifi-content.s3.amazonaws.com/caitlyn/dev/npc/npc_carmen_humanRelationship.hfr",
    "http://hifi-content.s3.amazonaws.com/caitlyn/dev/npc/npc_barbarian_grunting.hfr",
    "http://hifi-content.s3.amazonaws.com/caitlyn/dev/npc/npc_arya_iAmALoveBoat.hfr",
    "http://hifi-content.s3.amazonaws.com/caitlyn/dev/npc/npc_skeleton_buenoEstante.hfr",
    "http://hifi-content.s3.amazonaws.com/caitlyn/dev/npc/npc_robot_scanningLifeForms.hfr",
    "http://hifi-content.s3.amazonaws.com/caitlyn/dev/npc/npc_priscille_iCantDecide.hfr",
    "http://hifi-content.s3.amazonaws.com/caitlyn/dev/npc/npc_beingOfLight_beingAbeing.hfr",
    "http://hifi-content.s3.amazonaws.com/caitlyn/dev/npc/npc_theaterTakes/artemis_wheresBill.hfr",
    "http://hifi-content.s3.amazonaws.com/caitlyn/dev/npc/npc_theaterTakes/chloe_imOkay.hfr",
    "http://hifi-content.s3.amazonaws.com/caitlyn/dev/npc/npc_theaterTakes/haj_overhere.hfr",
    "http://hifi-content.s3.amazonaws.com/caitlyn/dev/npc/npc_theaterTakes/halima_dietCoke.hfr",
    "http://hifi-content.s3.amazonaws.com/caitlyn/dev/npc/npc_theaterTakes/maery_hiChrisOverHere.hfr",
    "http://hifi-content.s3.amazonaws.com/caitlyn/dev/npc/npc_theaterTakes/matthew_cool.hfr",
    "http://hifi-content.s3.amazonaws.com/caitlyn/dev/npc/npc_theaterTakes/matthew_niceplace.hfr",
    "http://hifi-content.s3.amazonaws.com/caitlyn/dev/npc/npc_theaterTakes/mcgee_takePeanuts.hfr",
    "http://hifi-content.s3.amazonaws.com/caitlyn/dev/npc/npc_theaterTakes/pris_isntSoBad.hfr",
    "http://hifi-content.s3.amazonaws.com/caitlyn/dev/npc/npc_theaterTakes/raff_venue.hfr",
    "http://hifi-content.s3.amazonaws.com/DomainContent/Event%20/NPC%27s/usher3.hfr",
    "http://hifi-content.s3.amazonaws.com/DomainContent/Event%20/NPC%27s/usher2.hfr",
    "http://hifi-content.s3.amazonaws.com/DomainContent/Event%20/NPC%27s/usher1.hfr",
    "http://hifi-content.s3.amazonaws.com/DomainContent/Event%20/NPC%27s/claude.hfr",
    "http://hifi-content.s3.amazonaws.com/DomainContent/Event%20/NPC%27s/waiting10.hfr",
    "http://hifi-content.s3.amazonaws.com/DomainContent/Event%20/NPC%27s/waiting9.hfr",
    "http://hifi-content.s3.amazonaws.com/DomainContent/Event%20/NPC%27s/waiting8.hfr",
    "http://hifi-content.s3.amazonaws.com/DomainContent/Event%20/NPC%27s/waiting7.hfr",
    "http://hifi-content.s3.amazonaws.com/DomainContent/Event%20/NPC%27s/waiting6.hfr",
    "http://hifi-content.s3.amazonaws.com/DomainContent/Event%20/NPC%27s/waiting5.hfr",
    "http://hifi-content.s3.amazonaws.com/DomainContent/Event%20/NPC%27s/waiting4.hfr",
    "http://hifi-content.s3.amazonaws.com/DomainContent/Event%20/NPC%27s/waiting3.hfr",
    "http://hifi-content.s3.amazonaws.com/DomainContent/Event%20/NPC%27s/waiting2.hfr",
    "http://hifi-content.s3.amazonaws.com/DomainContent/Event%20/NPC%27s/waiting1.hfr"
];

// http://stackoverflow.com/a/2450976
function shuffle(array) {
    var currentIndex = array.length, temporaryValue, randomIndex;

    // While there remain elements to shuffle...
    while (0 !== currentIndex) {

        // Pick a remaining element...
        randomIndex = Math.floor(Math.random() * currentIndex);
        currentIndex -= 1;

        // And swap it with the current element.
        temporaryValue = array[currentIndex];
        array[currentIndex] = array[randomIndex];
        array[randomIndex] = temporaryValue;
    }

    return array;
}


Messages.messageReceived.connect(function (channel, message, senderID) {
    if (channel === COORDINATOR_CHANNEL) {
        if (message === 'request') {
            if (reservedActors.length === 0) {
                print('No actor spaces available.');
                return;
            }
            var reservedActor = reservedActors.pop();
            Messages.sendMessage(ACTOR_CHANNEL_PREFIX + senderID, JSON.stringify({
                position: reservedActor.position,
                avatarURL: reservedActor.avatarURL,
                recordingURL: reservedActor.recordingURL,
                displayName: reservedActor.displayName
            }));
        }
    }
});

Script.setTimeout(function() {
    Messages.subscribe(COORDINATOR_CHANNEL);
    Messages.sendMessage(COORDINATOR_CHANNEL, 'init');
}, 300);

var COMFORTABLE_AVATAR_DISTANCE = 0.6;

// location comments are given while looking from stage towards the audience
var AREAS_ARRAY = [
    // front level
    { minX: 97.0, maxX: 103.0, y: -0.6, minZ: 37, maxZ: 41 , rows: 4, fill: 0.6 },
    // level 1 left
    { minX: 92.7, maxX: 98.9, y: -0.3, minZ: 43, maxZ: 43 },
    // level 1 right
    { minX: 100.3, maxX: 106.6, y: -0.3, minZ: 43, maxZ: 43 },
    // level 2 left
    { minX: 92.7, maxX: 98.9, y: 0.3, minZ: 45, maxZ: 45 },
    // level 2 right
    { minX: 100.3, maxX: 106.6, y: 0.3, minZ: 45, maxZ: 45 },
    // level 3 left
    { minX: 92.7, maxX: 98.9, y: 1 , minZ: 47, maxZ: 47 },
    // level 3 right
    { minX: 100.3, maxX: 106.6, y: 1 , minZ: 47, maxZ: 47 },
    // top level
    { minX: 92.7, maxX: 106.6, y: 1.7, minZ: 51.9, maxZ: 51.9}
];


var DUPLICATE_PREVENTION_MODES = {
    NONE: 0,
    RANDOM_LISTS: 1,
    PREVENT_SAME_NEIGHBOR: 2
};

var reservedActors = [];

var totalSpaces = 0;
var minAvatarFill = 0.8; // 80%

var maxRand = 0;

var createSpaceManager = function(areas, expectedAvatars, duplicatePreventionMode) {
    var _this, _areas, _areaDetails, _expectedAvatars, _duplicatePreventionMode;
    function SpaceManager(areas) {
        _this = this;
        _areas = areas;
        _expectedAvatars = expectedAvatars;
        _duplicatePreventionMode = duplicatePreventionMode;
        _areaDetails = [];
        _this.initAreaDetails();
        _this.reserveActors();
    }

    SpaceManager.prototype = {
        initAreaDetails: function() {
            _areaDetails = [];
            _areas.forEach(function(area) {
                var randomNum = Math.random();
                maxRand += randomNum;

                var width = area.maxX - area.minX;
                var height = area.maxZ - area.minZ;
                var columns = (Math.floor(width / COMFORTABLE_AVATAR_DISTANCE) + 1);
                var rows = (Math.floor(height / COMFORTABLE_AVATAR_DISTANCE) + 1);
                var spaces = columns * rows;
                totalSpaces += spaces;
                _areaDetails.push({
                    area: area,
                    spaces: spaces,
                    reservedActorIndexes: [],
                    spacesPreferred: -1,
                    width: width,
                    height: height,
                    columns: columns,
                    rows: rows,
                    random: randomNum
                });
            });

            var averageFactor = _expectedAvatars / totalSpaces;
            print('avg fact' + averageFactor);

            var spacesOccupied = 0;
            _areaDetails.forEach(function(details) {
                var percentage = details.random / maxRand;
                var fillPercentage = details.area.fill !== undefined ? details.area.fill :
                    minAvatarFill + (_areaDetails.length * percentage * ((1.0 - minAvatarFill) * 2.0));
                print('fp: ' + percentage + ' ' + fillPercentage);
                details.spacesPreferred = Math.ceil(fillPercentage * details.spaces) * averageFactor;
                spacesOccupied += details.spacesPreferred;
            });
            print("Spaces occupied " + spacesOccupied);

            if (totalSpaces < _expectedAvatars) {
                print('Please add some more area for your actors.');
            }
        },
        getAreas: function() {
            return _areaDetails;
        },
        reserveActors: function() {
            reservedActors = [];
            var randomRecordingURLS = shuffle(RECORDINGS_ARRAY.slice());
            var randomAvatarModelURLS = shuffle(AVATARS_ARRAY.slice());
            _areaDetails.forEach(function(details) {
                var rows = details.area.rows !== undefined ? details.area.rows : details.rows;
                var columnStep = (details.width / details.spacesPreferred) * rows;
                var rowStep = Math.floor(details.height / rows);
                for (var i = 0; i < details.spacesPreferred; i++) {
                    if (randomRecordingURLS.length === 0) {
                        randomRecordingURLS = shuffle(RECORDINGS_ARRAY.slice());
                    }
                    if (randomAvatarModelURLS.length === 0) {
                        randomAvatarModelURLS = shuffle(AVATARS_ARRAY.slice());
                    }
                    reservedActors.push({
                        position: {
                            x: details.area.minX + ((columnStep * (i / rows))) + (columnStep * 0.5) + (Math.random() * columnStep * 0.5),
                            y: details.area.y,
                            z: details.area.minZ + ((rowStep * (i % rows))) + (rowStep * 0.5) + (Math.random() * rowStep * 0.5)  //Math.random() * details.height
                        },
                        displayName: 'Crowd NPC (spot ' + (reservedActors.length + 1) + ')',
                        recordingURL: randomRecordingURLS.pop(),
                        avatarURL: randomAvatarModelURLS.pop(),
                        sessionUUID: null
                    });
                }
            });
            reservedActors = shuffle(reservedActors);
        }
    };

    return new SpaceManager(areas, expectedAvatars, duplicatePreventionMode);
};

var EXPECTED_NUMBER_OF_AVATARS = 100;

var spaceManager = createSpaceManager(AREAS_ARRAY, EXPECTED_NUMBER_OF_AVATARS, DUPLICATE_PREVENTION_MODES.RANDOM_LISTS);

if (this.Agent !== undefined) {
    Agent.isAvatar = true;
    Avatar.position = {x: 0, y: 0, z: 0};
    Avatar.orientation = Quat.fromPitchYawRollDegrees(0, 0, 0);
    Avatar.scale = 1.0;
    Avatar.skeletonModelURL = 'http://hifi-content.s3.amazonaws.com/ozan/dev/avatars/invisible_avatar/invisible_avatar.fst';
}

if (VISUALIZATION) {

// Visualization
    var FLOOR_OFFSET = {y: -0.6};
    var VISUALIZATION_LIFETIME = 360; // seconds

    var floorEntities = [];
    var actorEntities = [];

    spaceManager.getAreas().forEach(function (details) {
        var dimensionX = details.width;
        var dimensionZ = details.height;

        floorEntities.push(Entities.addEntity({
            type: 'Box',
            dimensions: {
                x: Math.max(dimensionX, COMFORTABLE_AVATAR_DISTANCE),
                y: 0.05,
                z: Math.max(dimensionZ, COMFORTABLE_AVATAR_DISTANCE)
            },
            position: Vec3.sum({
                x: details.area.minX + (dimensionX / 2),
                y: details.area.y,
                z: details.area.minZ + (dimensionZ / 2)
            }, FLOOR_OFFSET),
            lifetime: VISUALIZATION_LIFETIME
        }));
    });


    reservedActors = shuffle(reservedActors);

    for (var i = 0; i < EXPECTED_NUMBER_OF_AVATARS && i < reservedActors.length; i++) {
        actorEntities.push(Entities.addEntity({
            type: 'Model',
            position: reservedActors[i].position,
            modelURL: reservedActors[i].avatarURL,
            rotation: Quat.fromPitchYawRollDegrees(0.0, 180.0, 0.0),
            lifetime: VISUALIZATION_LIFETIME
        }));
    }

    Script.scriptEnding.connect(function () {
        floorEntities.forEach(function (floor) {
            Entities.deleteEntity(floor);
        });
        actorEntities.forEach(function (actor) {
            Entities.deleteEntity(actor);
        });
    });
}