//  ACCleanupAndSpawnBot.js
//
//  Created by Thijs Wenker on 9/26/2016
//
//  This Assignment Client script cleans up a the defined 
//  Copyright 2016 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

// Times when the cleanup script runs (on a daily basis 00:00 -> 23:59)
var RUN_WHEN = [
    '0:00',
    '2:00',
    '4:00',
    '6:00',
    '8:00',
    '10:00',
    '12:00',
    '14:00',
    '16:00',
    '18:00',
    '20:00',
    '22:00'
];

// Cleanup filters
//
// Allows the following entry-types:
// Name (string) eg: 'This is a cube'
// Name Regular Expression (RexExp) eg: /Cube[0-9]+/
// Filter Object (JS Object eg: 
//                   {
//                        name: 'Cube',
//                        locked: false,
//                        visible: true
//                   }
var CLEANUP_FILTER = [
{
    locked: 0,
    clientOnly: 0
}
];


// The script will only run in the domain with the following placename:
// (The PLACENAME_LOCK is only effective when the script is ran in Interface, not for Assignment Client scripts)
var PLACENAME_LOCK = 'staging-welcome';

var DEFAULT_LIFETIME = 1800;

var JSON_PATH = 'https://hifi-content.s3.amazonaws.com/DomainContent/Welcome%20Area/Scripts/';

// IMPORT_ENTITIES supports JSON exported entities using importEntitiesJSON(URL, parentProperties); e.g:
// importEntitiesJSON('https://www.acme.com/example/cubes.json', {position: MyAvatar.position})
var IMPORT_ENTITIES = [
    importEntitiesJSON(JSON_PATH + 'seesaw.json', {position: {x: 55.613121032714844, y: 0.29320013523101807, z: -94.694454193115234}}),
    importEntitiesJSON(JSON_PATH + 'domino.json', {position: {x: 33.79003143310547, y: 1.714470656013, z: -153.43145751953125}}),
    importEntitiesJSON(JSON_PATH + 'castle7.json', {position: {x: -20.238300323486328, y: -0.2793, z: -105.61320114135742}}),
    importEntitiesJSON(JSON_PATH + 'eventCalendar.json', {position: {x: -6.2534, y: 1.3659, z: -61.6625}}),
    importEntitiesJSON(JSON_PATH + 'soccerCones.json', {position: {x: 117.21154022216797 - 3.8746109008789062, y: -0.5399885773658752, z: -162.28115844726562}}),
    importEntitiesJSON(JSON_PATH + '3SetBBallFeb13.json', {position: {x: 122.96149298095703, y: 0.216986283659935, z: -138.96031694335937}}, {lifetime: DEFAULT_LIFETIME}),
    importEntitiesJSON(JSON_PATH + '3SetRBallJan6.json', {position: {x: 104.59093475341797, y: 0.26469510793685913, z: -131.70911407470703}}, {lifetime: DEFAULT_LIFETIME}),
    importEntitiesJSON(JSON_PATH + '3SetSBall.json', {position: {x: 111.51567840576172, y: 0.2618212401866913, z: -161.02066802978516}}, {lifetime: DEFAULT_LIFETIME}),
    importEntitiesJSON(JSON_PATH + '4SetFrisbee.json', {position: {x: 111.51, y: 0.21, z: -143.679}}, {lifetime: DEFAULT_LIFETIME}),
    importEntitiesJSON(JSON_PATH + '3SetHorseshoesFeb13.json', {position: {x: 99.16116333007812, y: -0.14801521599292755, z: -149.36492919921875}}, {lifetime: DEFAULT_LIFETIME}),
    importEntitiesJSON(JSON_PATH + 'xylophoneMalletsAndMaracas.json', {position: {"x":-11.144107818603516,"y":0.23886066675186157,"z":-168.52725219726562}}),
    importEntitiesJSON(JSON_PATH + 'xylophone.json', {position: {"x":-10.86258316040039,"y":-0.18295443058013916,"z":-167.0205841064453}})
];

// Mainly for importing creation scripts (that contain hold/sprint or any other actions)
// Make sure that the scripts that are put here do not Script.stop() or leave in any timers/event handlers
// If you really want to listen to events or have a timer, then you could make the scripts events/timer stop after a specific item that was created in the script gets cleaned up
var IMPORT_SCRIPTS = [
    // Removed the following script until Physics Actions can be created by AC scripts
    // importScript('https://hifi-content.s3.amazonaws.com/DomainContent/Welcome%20Area/Scripts/createTetherball.js', {polePosition: {x: 119.29138946533203, y: 1.8446629047393799, z: -101.87809753417969}}),
    importScript('https://hifi-content.s3.amazonaws.com/DomainContent/Welcome%20Area/Scripts/resetShortbow.js', {rootPosition: {"x":124.68001556396484,"y":5.327760219573975,"z":-71.88505554199219}}),
    importScript('https://hifi-content.s3.amazonaws.com/DomainContent/Welcome%20Area/Scripts/boppo/createElBoppo.js', {rootPosition: {"x":87.40933990478516,"y":1.187756896018982,"z":-150.55401611328125}})
];

var CLEANUP_AUDIO_TRACKS_PREFIX = 'http://hifi-content.s3.amazonaws.com/DomainContent/Welcome%20Area/Sounds/'

var CLEANUP_AUDIO_BROADCAST_POSITIONS = [
    {x: 8.0, y: 5.0, z: -58.0}, // hangar X
    {x: 110.3, y: 5.0, z: -144.0}, // hangar Y
    {x: -3.7, y: 5.0, z: -183.5} // hangar Z
];

// No properties set at the moment.
var CLEANUP_AUDIO_BROADCAST_PROPERTIES = {

};

var CLEANUP_AUDIO_TRACKS = [
{
    name: 'good_morning',
    url: CLEANUP_AUDIO_TRACKS_PREFIX + 'VOGGoodMorning_OneMin.wav',
    startTime: '0:00',
    endTime: '11:59',
    cleanupOffsetSeconds: -60,
    broadcastPositions: CLEANUP_AUDIO_BROADCAST_POSITIONS,
    properties: CLEANUP_AUDIO_BROADCAST_PROPERTIES
},
{
    name: 'good_afternoon',
    url: CLEANUP_AUDIO_TRACKS_PREFIX + 'VOGGoodAfternoon_OneMin.wav',
    startTime: '12:00',
    endTime: '16:59',
    cleanupOffsetSeconds: -60,
    broadcastPositions: CLEANUP_AUDIO_BROADCAST_POSITIONS,
    properties: CLEANUP_AUDIO_BROADCAST_PROPERTIES
},
{
    name: 'good_evening',
    url: CLEANUP_AUDIO_TRACKS_PREFIX + 'VOGGoodEvening_OneMin.wav',
    startTime: '17:00',
    endTime: '23:59',
    cleanupOffsetSeconds: -60,
    broadcastPositions: CLEANUP_AUDIO_BROADCAST_POSITIONS,
    properties: CLEANUP_AUDIO_BROADCAST_PROPERTIES
},
{
    name: 'countdown',
    url: CLEANUP_AUDIO_TRACKS_PREFIX + 'VOGCountdown.wav',
    startTime: '0:00',
    endTime: '23:59',
    cleanupOffsetSeconds: -8.7,
    broadcastPositions: CLEANUP_AUDIO_BROADCAST_POSITIONS,
    properties: CLEANUP_AUDIO_BROADCAST_PROPERTIES
},
{
    name: 'five_minutes_warning',
    url: CLEANUP_AUDIO_TRACKS_PREFIX + 'VOGFiveMin.wav',
    startTime: '0:00',
    endTime: '23:59',
    cleanupOffsetSeconds: -300,
    broadcastPositions: CLEANUP_AUDIO_BROADCAST_POSITIONS,
    properties: CLEANUP_AUDIO_BROADCAST_PROPERTIES
}
];

// You can use DRY RUN mode to test the cleanup filter and see which entities will be
// deleted without modifying anything
var DRY_RUN = false;

var SEARCH_CENTER = {x: 19.2, y: 0.1, z: -135.6};

var SEARCH_AREA = 60000; // search area (sphere) in meters radius

// Allows you to manually trigger the cleanups through the messages system
var REMOTE_TRIGGER_ENABLED = true;
var TRIGGER_CHANNEL = 'cleanUpAndSpawnBot';
var CLEAN_MESSAGE = 'cleanUp';
var SPAWN_MESSAGE = 'spawn';
var CLEAN_AND_SPAWN_MESSAGE = 'cleanUpAndSpawn';

var DEBUG_SCRIPT_OVER_CHANNEL = '';


// Constants
const HOURS_IN_DAY = 24;
const MINUTES_IN_HOUR = 60;
const SECONDS_PER_MINUTE = 60;
const MILLISECONDS_PER_SECOND = 1000;
const MINUTES_IN_DAY = HOURS_IN_DAY * MINUTES_IN_HOUR;
const TIMER_TICKS_PER_MINUTE = SECONDS_PER_MINUTE * MILLISECONDS_PER_SECOND;
const ZERO_UUID = '{00000000-0000-0000-0000-000000000000}';
const IS_AC_SCRIPT = (this.Agent !== undefined);

const SANETIZE_PROPERTIES = ['childEntities', 'parentID', 'id'];

function preloadCleanupAudioTracks() {
    CLEANUP_AUDIO_TRACKS.forEach(function(cleanupAudioTrack) {
        cleanupAudioTrack.sound = SoundCache.getSound(cleanupAudioTrack.url);
    });
}

function isCorrectPlace() {
    return location !== undefined && location.hostname === PLACENAME_LOCK;
}

var originalPrint = print;
function networkedDebugPrint(message) {
    originalPrint(message);
    Messages.sendMessage(DEBUG_SCRIPT_OVER_CHANNEL, message);
}

if (DEBUG_SCRIPT_OVER_CHANNEL !== '') {
    print = networkedDebugPrint;
}

function entityListToTree(entitiesList) {
    function entityListToTreeRecursive(properties) {
        properties.childEntities = [];
        entitiesList.forEach(function(entityProperties) {
            if (properties.id === entityProperties.parentID) {
                properties.childEntities.push(entityListToTreeRecursive(entityProperties));
            }
        });
        return properties;
    }
    var entityTree = [];
    entitiesList.forEach(function(entityProperties) {
        if (entityProperties.parentID === undefined || entityProperties.parentID === ZERO_UUID) {
            entityTree.push(entityListToTreeRecursive(entityProperties));
        }
    });
    return entityTree;
}

// TODO: ATP support (currently the JS API for ATP does not support file links, only hashes)
function importEntitiesJSON(importLink, parentProperties, overrideProperties) {
    if (parentProperties === undefined) {
        parentProperties = {};
    }
    if (overrideProperties !== undefined) {
        parentProperties.overrideProperties = overrideProperties;
    }
    var request = new XMLHttpRequest();
    request.open('GET', importLink, false);
    request.send();
    try {
        var response = JSON.parse(request.responseText);
        parentProperties.childEntities = entityListToTree(response.Entities);
        return parentProperties;
    } catch (e) {
        print('Failed importing entities JSON because: ' + JSON.stringify(e));
    }
    return null;
}

function importScript(importScript, properties) {
    var request = new XMLHttpRequest();
    request.open('GET', importScript, false);
    request.send();
    return {script: request.responseText, properties: properties};
};

//Creates an entity and returns a mixed object of the creation properties and the assigned entityID
var createEntity = function(entityProperties, parent, overrideProperties) {
    // JSON.stringify -> JSON.parse trick to create a fresh copy of JSON data
    var newEntityProperties = JSON.parse(JSON.stringify(entityProperties));
    if (overrideProperties !== undefined) {
        Object.keys(overrideProperties).forEach(function(key) {
            newEntityProperties[key] = overrideProperties[key];
        });
    }
    if (parent.rotation !== undefined) {
        if (newEntityProperties.rotation !== undefined) {
            newEntityProperties.rotation = Quat.multiply(parent.rotation, newEntityProperties.rotation);
        } else {
            newEntityProperties.rotation = parent.rotation;
        }
    }
    if (parent.position !== undefined) {
        var localPosition = (parent.rotation !== undefined) ?
            Vec3.multiplyQbyV(parent.rotation, newEntityProperties.position) : newEntityProperties.position;
        newEntityProperties.position = Vec3.sum(localPosition, parent.position)
    }
    if (parent.id !== undefined) {
        newEntityProperties.parentID = parent.id;
    }
    newEntityProperties.id = Entities.addEntity(newEntityProperties);
    return newEntityProperties;
};

var createEntitiesFromTree = function(entityTree, parent, overrideProperties) {
    if (parent === undefined) { 
        parent = {};
    }
    if (parent.overrideProperties !== undefined) {
        overrideProperties = parent.overrideProperties;
    }
    var createdTree = [];
    entityTree.forEach(function(entityProperties) {
        var sanetizedProperties = {};
        Object.keys(entityProperties).forEach(function(propertyKey) {
            if (!entityProperties.hasOwnProperty(propertyKey) || SANETIZE_PROPERTIES.indexOf(propertyKey) !== -1) {
                return true;
            }
            sanetizedProperties[propertyKey] = entityProperties[propertyKey];
        });

        // Allow for non-entity parent objects, this allows us to offset groups of entities to a specific position/rotation
        var parentProperties = sanetizedProperties;
        if (entityProperties.type !== undefined) {
            parentProperties = createEntity(sanetizedProperties, parent, overrideProperties);
        }
        if (entityProperties.childEntities !== undefined) {
            parentProperties.childEntities = 
                createEntitiesFromTree(entityProperties.childEntities, parentProperties, overrideProperties);
        }
        createdTree.push(parentProperties);
    });
    return createdTree;
};

function playCleanupAudioTrack(audioTrack) {
    print('Playing audio track: ' + audioTrack.name);
    audioTrack.broadcastPositions.forEach(function(broadcastPosition) {
        var properties = audioTrack.properties;
        properties.position = broadcastPosition;
        Audio.playSound(audioTrack.sound, properties);
    });
}

function timeStringToMinutesInDay(timeText) {
    try {
        var timeArray = timeText.split(':');
        var hour = parseInt(timeArray[0]);
        var minute = parseInt(timeArray[1]);
        return (MINUTES_IN_HOUR * hour) + minute;
    } catch(e) {
        print('Had some trouble while parsing the following time: ' + timeText);
    }
    return -1;
}

function getCurrentMinuteInDay() {
    var now = new Date();
    var currentMinuteInDay = (MINUTES_IN_HOUR * now.getUTCHours()) + now.getUTCMinutes();
    return currentMinuteInDay;
}

function getTimeUntilNextRun(times) {
    var parsedTimes = [];
    var currentMinuteInDay = getCurrentMinuteInDay();
    times.forEach(function(timeText) {
        var minuteInDay = timeStringToMinutesInDay(timeText);
        var minutesToNextRun = minuteInDay - currentMinuteInDay + (minuteInDay <= currentMinuteInDay ? MINUTES_IN_DAY : 0);
        parsedTimes.push({
            timeText: timeText,
            timerTicksUntilNextRun: TIMER_TICKS_PER_MINUTE * minutesToNextRun,
            minuteInDay: minuteInDay,
            minutesToNextRun: minutesToNextRun
        });
    });
    var lowestParsedTime = null;
    parsedTimes.forEach(function(parsedTime) {
        if (lowestParsedTime === null || parsedTime.minutesToNextRun < lowestParsedTime.minutesToNextRun) {
            lowestParsedTime = parsedTime;
        }
    });
    
    if (lowestParsedTime === null) {
        print('Something went wrong while retrieving the next run time.');
        return null;
    }
    return lowestParsedTime;
}

function triggerEventOn(times, callback) {
    var parsedNextRunTime = getTimeUntilNextRun(times);
    var timeout = parsedNextRunTime.timerTicksUntilNextRun;
    print('Set timeout to ' + timeout + ' ms.');
    Script.setTimeout(callback, timeout);
    return parsedNextRunTime;
}

function planAudioForCleanupEvent(nextCleanupParsedTime) {
    CLEANUP_AUDIO_TRACKS.forEach(function(audioTrack) {
        var startTimeMinutes = timeStringToMinutesInDay(audioTrack.startTime);
        var endTimeMinutes = timeStringToMinutesInDay(audioTrack.endTime);
        print(startTimeMinutes + ' ' +  endTimeMinutes);
        if (startTimeMinutes <= nextCleanupParsedTime.minuteInDay && endTimeMinutes >= nextCleanupParsedTime.minuteInDay) {
            print('Planned to play ' + audioTrack.name + ' for the next scheduled cleanup');
            var timerTicksUntilNextRun = nextCleanupParsedTime.timerTicksUntilNextRun + (audioTrack.cleanupOffsetSeconds * MILLISECONDS_PER_SECOND);
            Script.setTimeout(function() {
                playCleanupAudioTrack(audioTrack);
            }, timerTicksUntilNextRun);
        }
    });
}

function setupNextCleanupAndAudioEvent() {
    var nextCleanupParsedTime = triggerEventOn(RUN_WHEN, doCleanup);
    planAudioForCleanupEvent(nextCleanupParsedTime);
}

var doCleanup = function() {
    print('Doing Cleanup and Spawn.');
    purgeEntities();
    importEntities();
    importScripts();
    setupNextCleanupAndAudioEvent();
};

var testFilter = function(filter, properties) {
    var testFilter = typeof(filter) === 'object' ? filter : {name: filter};
    for (key in testFilter) {
        if (!testFilter.hasOwnProperty(key)) {
            continue;
        }
        if (testFilter[key] !== properties[key]) {
            return false;
        }
    }
    return true;
};

var purgeEntities = function() {
    if (!IS_AC_SCRIPT && !isCorrectPlace()) {
        print('The PLACENAME_LOCK does not match the current placename, aborting purgeEntities.')
        return;
    }
    var propertiesToRequest = ['name'];
    CLEANUP_FILTER.forEach(function(filter) {
        if (typeof(filter) === 'object') {
            Object.keys(filter).forEach(function(property) {
                if (propertiesToRequest.indexOf(property) === -1) {
                    propertiesToRequest.push(property);
                }
            });
        }
    });
    Entities.findEntities(SEARCH_CENTER, SEARCH_AREA).forEach(function(entityID) {
        var entityProperties = Entities.getEntityProperties(entityID, propertiesToRequest);
        var deleteEntity = false;
        CLEANUP_FILTER.forEach(function(filter) {
            if (testFilter(filter, entityProperties)) {
                deleteEntity = true;
                return true;
            }
        });
        if (deleteEntity) {
            print(DRY_RUN ? '[DRY_RUN] Would have removed: ' : 'removing: ' + entityProperties.id + ' ' +
                entityProperties.name);
            if (!DRY_RUN) {
                Entities.deleteEntity(entityProperties.id);
            }
        }
    });
};

var importScripts = function() {
    if (DRY_RUN) {
        print('Skipping importScripts for the DRY_RUN.');
        return {};
    }
    if (!IS_AC_SCRIPT && !isCorrectPlace()) {
        print('The PLACENAME_LOCK does not match the current placename, aborting importEntities.')
        return {};
    }
    IMPORT_SCRIPTS.forEach(function(importScript) {
        var SCRIPT_IMPORT_PROPERTIES = importScript.properties;
        this.isCleanupAndSpawnScript = true;
        eval(importScript.script);
    });
};

var importEntities = function() {
    if (DRY_RUN) {
        print('Skipping importEntities for the DRY_RUN.');
        return {};
    }
    if (!IS_AC_SCRIPT && !isCorrectPlace()) {
        print('The PLACENAME_LOCK does not match the current placename, aborting importEntities.');
        return {};
    }
    return createEntitiesFromTree(IMPORT_ENTITIES);
};

preloadCleanupAudioTracks();
setupNextCleanupAndAudioEvent();

if (REMOTE_TRIGGER_ENABLED) {
    Messages.messageReceived.connect(function(channel, message, senderUUID, localOnly) {
        if (channel !== TRIGGER_CHANNEL) {
            return;
        }
        if (message === CLEAN_MESSAGE || message === CLEAN_AND_SPAWN_MESSAGE) {
            purgeEntities();
        }
        if (message === SPAWN_MESSAGE || message === CLEAN_AND_SPAWN_MESSAGE) {
            importEntities();
            importScripts();
        }
    });

    Messages.subscribe(TRIGGER_CHANNEL);
}

// Assignment Client related code:

if (IS_AC_SCRIPT) {
    Agent.isAvatar = true;
    Avatar.skeletonModelURL = 'http://hifi-content.s3.amazonaws.com/ozan/dev/avatars/invisible_avatar/invisible_avatar.fst';

    var initialized = false;

    function update(deltaTime) {
        if (!initialized) {
            if (Entities.serversExist() && Entities.canRez()) {
                Entities.setPacketsPerSecond(60000);
                EntityViewer.setPosition(SEARCH_CENTER);
                EntityViewer.setCenterRadius(SEARCH_AREA);
                // This should allow us to see nano-scale entities from great distances
                EntityViewer.setVoxelSizeScale(Number.MAX_VALUE);
                Script.setInterval(function() {
                    EntityViewer.queryOctree();
                }, 1000);

                initialized = true;
                Script.update.disconnect(update);
            }
            return;
        }
    }
   
    Script.update.connect(update);
}