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Peep show
Author: loulouw
Description Source Code Launch Bot Current Users
Created by: Loulouw
/**
* Public Peep Show 0.5-r1
* Written by lactose_intolerant, 2014
*/
var util = new (function( ) {

	this.map = function( list, transform )
	{
		var result = [];
		for (var i = 0; i < list.length; ++i)
			result.push( transform( list[i] ) );
		return result;
	}

	var secondsInAMinute = 60;
	var secondsInAnHour = 60 * secondsInAMinute;

	var splitSeconds = function( seconds )
	{
		var hours = 0;
		var minutes = 0;
		if (seconds >= secondsInAnHour)
			hours = Math.floor( seconds / secondsInAnHour );
		seconds = seconds - hours * secondsInAnHour;
		if (seconds >= secondsInAMinute)
			minutes = Math.floor( seconds / secondsInAMinute );
		seconds = Math.floor( seconds - minutes * secondsInAMinute );
		return { 
			'seconds' : seconds,
			'minutes' : minutes,
			'hours' : hours 
			};	
	}

	this.createReadableDuration = function( seconds )
	{
		parts = splitSeconds( seconds );
		var components = [];
		if (parts.hours > 0)
			components.push( parts.hours + ":" );
		components.push( parts.minutes + ":" );
		components.push( parts.seconds );
		return components.join( "" );
	}

	this.createReadableDuration2 = function( seconds )
	{
		parts = splitSeconds( seconds );
		var components = [];
		if (parts.hours > 0)
			components.push( parts.hours + " hours" );
		if (parts.minutes > 0)
			components.push( parts.minutes + " minutes" );
		if (components.length == 0 || parts.seconds > 0)
			components.push( parts.seconds + " seconds" );
		return components.join( ", " );
	}

	this.parseDurationString = function( str )
	{
		var match = /(?:(\d+)h)?\s*(?:(\d+)m)?\s*(?:(\d+)s)?/.exec( str );
		if (match == null)
			return null;
		if (match[1] == null && match[2] == null && match[3] == null)
			return null;			
		var seconds = 0;
		if (match[1] != null)
			seconds += parseInt( match[1] ) * secondsInAnHour;
		if (match[2] != null)
			seconds += parseInt( match[2] ) * secondsInAMinute;
		if (match[3] != null)
			seconds += parseInt( match[3] );
		return seconds;
	}

	this.getTimeSinceEpochInSeconds = function( )
	{
		return (new Date( )).valueOf( ) / 1000.0;
	}

	this.mergeObjects = function( a, b )
	{
		var result = {};
		for (k in a)
			result[k] = a[k];
		for (k in b)
			result[k] = b[k];
		return result;
	}

	this.randomArrayItem = function( array )
	{
		var i = Math.floor( Math.random( ) * array.length );
		return array[i];
	}

})( );

var Events = function( names )
{
	var handlers = {};

	var init = function( )
	{
		for (var i = 0; i < names.length; ++i)
			handlers[names[i]] = [];
	}

	this.add = function( event, handler )
	{
		handlers[event].push( handler );
	}

	this.raise = function( event /*, *args */ )
	{
		var raiseArgs = Array.prototype.slice.call( arguments, 1 );
		var rval;
		for (var i = 0; i < handlers[event].length; ++i)
			rval = handlers[event][i].apply( null, raiseArgs );
		return rval;
	}

	init( );
};

var platform = new (function( ) {

	for (var k in cb)
		this[k] = cb[k];

	var _this = this;
	var events = new Events( ["onMessage", "onEnter", "onLeave", "onTip", "onDrawPanel"] );
	var isOnMockPlatform = !!cb.cbUsers;
	
	this.users = {}; 

	var init = function( )
	{
		cb.onMessage( cbOnMessage );
		cb.onDrawPanel( cbOnDrawPanel );
		cb.onTip( cbOnTip );
		if (!isOnMockPlatform)
		{
			cb.onEnter( cbOnEnter );
			cb.onLeave( cbOnLeave );
		}
	}

	var addUser = function( cbUser )
	{
		_this.users[cbUser.user] = cbUser;
	}

	var removeUserByName = function( username )
	{
		delete _this.users[username];
	}

	this.isUserPresent = function( username )
	{
		return username in _this.users;
	}

	this.getUserByName = function( username )
	{
		return _this.users[username];
	}

	this.onMessage = function( handler )
	{
		events.add( "onMessage", handler );
	}

	this.onEnter = function( handler )
	{
		events.add( "onEnter", handler );
	}

	this.onLeave = function( handler )
	{
		events.add( "onLeave", handler );
	}

	this.onDrawPanel = function( handler )
	{
		events.add( "onDrawPanel", handler );
	}

	this.onTip = function( handler )
	{
		events.add( "onTip", handler );
	}

	this.fakeLeave = function( usernameOrObj )
	{
		var cbUser = usernameOrObj;
		if (typeof usernameOrObj == "string")
			cbUser = createFakeUserObj( usernameOrObj );
		cbOnLeave( cbUser );
	}

	this.fakeEnter = function( usernameOrObj )
	{
		var cbUser = usernameOrObj;
		if (typeof usernameOrObj == "string")
			cbUser = createFakeUserObj( usernameOrObj );
		cbOnEnter( cbUser );
	}

	this.setInterval = function( func, timeout )
	{
		cb.setTimeout( 
			function( )
			{
				cb.setTimeout( arguments.callee, timeout );
				try
				{
					func( );
				}
				catch (e)
				{
					handleException( "onTimeout",  e );
				}
			}, timeout );
	}

	var createFakeUserObj = function( name )
	{
		return {
			"user" : name,
			"in_fanclub" : false,
			"has_tokens" : 0,
			"is_mod" : false,
			"tipped_recently" : false,
			"gender" : "m"
		};
	}

	var cbOnMessage = function( cbMsg )
	{
		try
		{
			var cbUser = util.mergeObjects( cbMsg, {} );
			delete cbUser.c;
			delete cbUser.m;
			delete cbUser.f;
			updateUser( cbUser );
			events.raise( "onMessage", cbMsg );
		}
		catch (e)
		{
			handleException( "onMessage", e );
		}
		return cbMsg;
	}

	var cbOnEnter = function( cbUser )
	{
		try
		{
			addUser( cbUser );
			events.raise( "onEnter", cbUser );
		}
		catch (e)
		{
			handleException( "onEnter", e );
		}
	}

	var cbOnLeave = function( cbUser )
	{
		try
		{
			removeUserByName( cbUser.user );
			events.raise( "onLeave", cbUser );
		}
		catch (e)
		{
			handleException( "onLeave", e );
		}
	}

	var cbOnTip = function( cbTip )
	{
		try
		{
			var cbUser = {
					"user" : cbTip.from_user,
					"in_fanclub" : cbTip.from_user_in_fanclub,
					"has_tokens" : cbTip.from_user_has_tokens,
					"is_mod" : cbTip.from_user_is_mod,
					"tipped_recently" : cbTip.from_user_tipped_recently,
					"gender" : cbTip.from_user_gender
				};
			updateUser( cbUser );
			events.raise( "onTip", cbTip );
		}
		catch (e)
		{
			handleException( "onTip", e );
		}
	}

	var updateUser = function( cbUser )
	{
		if (!_this.isUserPresent( cbUser.user ))
			_this.fakeEnter( cbUser );
		else
			addUser( cbUser );
	}

	var cbOnDrawPanel = function( )
	{
		try
		{
			return events.raise( "onDrawPanel" );
		}
		catch (e)
		{
			handleException( "onDrawPanel", e );
		}
	}

	this.announce = function( msg )
	{
		_this.chatNotice( msg, '', '#FFFFFF', '#000000', 'bold' );
	}

	this.notify = function( username, msg )
	{
		_this.chatNotice( msg, username, '#FFFFFF', '#000000', 'bold' );
	}

	handleException = function( eventName, e )
	{
		var msg = "<EXCEPTION>: \"" ;
		if ('message' in e)
			msg += e.message;
		else
			msg += e;
		msg += "\"";
		msg += " <EVENT>: " + eventName;
		if ('trace' in e)
			msg += " <TRACE>: " + e.stack;
		cb.log( msg );
	}

	init( );

})( );

var Goal = function( amount, optDescription )
{
	var _this = this;
	this.amount = amount;
	this.received = 0;
	this.description = optDescription || "";

	this.update = function( amount, optDescription )
	{
		_this.amount = amount;
		if (typeof optDescription == 'string')
			this.description = optDescription;
	}
}

var Viewer = function( username )
{
	this.username = username;
	this.free = false;
	this.timeLeft = 0;
	this.lastNotifiedAt = 0;
}

var CommandParser = function( )
{
	var commands = [];

	var init = function( )
	{
		platform.onMessage( cbOnMessage );
	}

	this.register = function( key, handler, optModelOnly )
	{
		commands.push( { 'key' : key, 'model' : !!optModelOnly, 'handler' : handler } );
	}

	var cbOnMessage = function( cbMsg )
	{
		var key = getKey( cbMsg.m );
		var cmd = findCommand( cbMsg.user, key );
		if (!!cmd)
		{
			cbMsg['X-Spam'] = true;
			cmd.handler.apply( null, [cbMsg.user].concat( getCommandArgs( cbMsg.m ) ) );
		}
		return cbMsg;
	}

	var getKey = function( msg )
	{
		var m = /^\/(\S+)/.exec( msg );
		if (!!m)
			return m[1];
	}

	var findCommand = function( username, key )
	{
		for (var i = 0; i < commands.length; ++i)
		{
			var cmd = commands[i];
			if (cmd.key == key && (!cmd.model || username == platform.room_slug))
				return cmd;
		}
		return null;
	}

	var getCommandArgs = function( msg )
	{
		var m = /^\/\S+\s+(.*)/.exec( msg );
		if (!m)
			return [];
		return m[1].split( /\s+/ );
	}

	init( );
}


var main = function( )
{
	var goal = null;
	var viewers = {}; 
	var autoStart = platform.settings.auto_start == "Enabled";
	var allowMods = platform.settings.allow_mods == "Enabled";
	var allowFanclub = platform.settings.allow_fanclub == "Enabled";
	var tokensPerMinute = platform.settings.tokens_per_minute;
	var previewTime = platform.settings.preview_time;
	var whiteList = util.map( platform.settings.white_list.split( /[ ,;.]+/ ), function( u ) { return u.toLowerCase( ); } );
	var lastUpdateTimerTime = util.getTimeSinceEpochInSeconds( );
	var totalTips = 0;
	var commandParser = new CommandParser( );

	var init = function( )
	{
		commandParser.register( "start", onStartCommand, true );
		commandParser.register( "stop", onStopCommand, true );
		commandParser.register( "goal", onGoalCommand, true );
		commandParser.register( "reset", onResetCommand, true );
		platform.setInterval( onTick, 1000 );
		platform.onEnter( cbOnEnter );
		platform.onTip( cbOnTip );
		platform.onDrawPanel( cbOnDrawPanel );
		platform.onMessage( cbOnMessage );
		initViewers( );
		if (autoStart)
			start( );
	}

	var onGoalCommand = function( user, amount, optDescription )
	{
		if (!amount || !/\d+/.exec( amount ))
			platform.notify( platform.room_slug, "Usage: /goal AMOUNT {description}" );
		else
		{
			// KLUDGE:
			// Need to reconstruct the description because the command parser splits on whitespace.
			if (arguments.length > 2)
				optDescription = Array.prototype.slice.call( arguments, 2 ).join( " " );
			amount = parseInt( amount );
			if (amount == 0)
				goal = null;
			else
			{
				if (!goal)
					goal = new Goal( amount, optDescription );
				else
					goal.update( amount, optDescription );
				platform.announce( "Goal has been modified." );
			}
		}
	}

	var onResetCommand = function( user )
	{
		goal.received = 0;
		platform.announce( "Goal reset." );
	}

	var onStartCommand = function( user, optCostPerMinute )
	{
		if (typeof optCostPerMinute != "undefined")
			tokensPerMinute = parseInt( optCostPerMinute );
		if (platform.limitCam_isRunning( ))
			stop( );
		start( );
	}

	var onStopCommand = function( user )
	{
		stop( );
	}

	var stop = function( )
	{
		platform.limitCam_stop( );
		platform.announce( "Peep show has paused." );
	}

	var start = function( )
	{
		resetViewerNotifyTimes( );
		limitCam( );
		platform.announce( "Peep show has started!" );
	}

	var resetViewerNotifyTimes = function( )
	{
		for (name in viewers)
			viewers[name].lastNotifiedAt = 0;
	}

	var limitCam = function( )
	{
		if (!platform.limitCam_isRunning( ))
		{
			var msg = "Can't see the show? Hit refresh.";
			if (tokensPerMinute > 0)
				msg = "Tip " + tokensPerMinute + " tokens to join the show!";
			platform.limitCam_start( msg, getViewerNames( ) );
			platform.log( "Starting cam with viewers: " + getViewerNames( ) );
		}
	}

	var welcomeViewer = function( username )
	{
		if (username != platform.room_slug)
		{
			var viewer = getViewer( username );
			if (viewer.free)
				platform.notify( username, "You get to watch for free!" );
			else
			{
				if (viewer.timeLeft > 0)
					platform.notify( username, "You have " + util.createReadableDuration( viewer.timeLeft ) + " left." );
				if (tokensPerMinute > 0)
					platform.notify( username, "Tip " + tokensPerMinute + " tokens to add one more minute." );
				if (tokensPerMinute > 0 && allowFanclub)
					platform.notify( username, "Fanclub members get to watch for free!" );
			}
		}
	}

	var isFreeUser = function( username )
	{
		var user = platform.getUserByName( username );
		if (tokensPerMinute == 0 || (user.in_fanclub && allowFanclub) || (user.is_mod && allowMods))
			return true;
		return cbjs.arrayContains( whiteList, username.toLowerCase( ) );
	}

	var initViewers = function( )
	{
		viewers = {};
		for (var i = 0; i < platform.users.length; ++i)
		{
			var user = platform.users[i];
			tryAddViewer( user.user );
			welcomeViewer( user.user );
		}
	}

	var tryAddViewer = function( username )
	{
		if (username != platform.room_slug && !isViewer( username ))
		{
			if (isFreeUser( username ))
				addFreeViewer( username );
			else 
				addViewer( username, previewTime );
			return true;
		}
		return false;
	}

	var addViewer = function( username, time )
	{
		if (!isViewer( username ))
		{
			var viewer = new Viewer( username );
			viewer.timeLeft = time;
			viewers[username] = viewer;
			platform.log( "Added viewer " + username + " with " + time + " seconds." );
		}
	}

	var addFreeViewer = function( username )
	{
		if (!isViewer( username ))
		{
			var viewer = new Viewer( username );
			viewer.free = true;
			viewers[username] = viewer;
			platform.log( "Added free viewer " + username + "." );
		}
		else
		{
			var viewer = getViewer( username );
			viewer.free = true;
		}
	}

	var isViewer = function( username )
	{
		return username in viewers;
	}

	var getViewer = function( username )
	{
		return viewers[username];
	}

	var removeViewer = function( username )
	{
		delete viewers[username];
	}

	var onTick = function( )
	{
		var t = util.getTimeSinceEpochInSeconds( );
		var dt = t - lastUpdateTimerTime;
		lastUpdateTimerTime = t;
		if (platform.limitCam_isRunning( ))
		{
			limitCam( );
			updateViewerTimers( dt );
			notifyViewers( );
			updateAccessList( );
		}
		platform.drawPanel( );
	}

	var updateViewerTimers = function( dt )
	{
		if (platform.isUserPresent( platform.room_slug ))
		{
			for (username in viewers)
			{
				var viewer = viewers[username];
				if (platform.isUserPresent( username ))
				{
					viewer.timeLeft = Math.max( 0, viewer.timeLeft - dt );
					viewer.free = isFreeUser( username );
				}
			}
		}
	}

	var notifyViewers = function( )
	{
		if (platform.isUserPresent( platform.room_slug ))
		{
			for (username in viewers)
			{
				var viewer = viewers[username];
				if (platform.isUserPresent( username ) && !viewer.free)
				{
					var sinceNotified = viewer.lastNotifiedAt - viewer.timeLeft;
					if (viewer.lastNotifiedAt == 0 || (viewer.timeLeft <= 30 && viewer.lastNotifiedAt > 30) || (sinceNotified >= 60))
					{
						viewer.lastNotifiedAt = viewer.timeLeft;
						notifyViewerOfTimeLeft( username, viewer.timeLeft );
					}
				}
			}
		}
	}

	var notifyViewerOfTimeLeft = function( username, timeLeft )
	{
		platform.notify( username, 
			"You have " + util.createReadableDuration2( Math.ceil( timeLeft ) ) + " left to watch. " +
			"Tip " + tokensPerMinute + " to add another minute." );
	}

	var updateAccessList = function( )
	{
		var viewerNames = getViewerNames( );
		var accessList = platform.limitCam_allUsersWithAccess( );
		var usersToRemove = [];
		var usersToAdd = [];
		for (var i = 0; i < viewerNames.length; ++i)
		{
			var username = viewerNames[i];
			if (!cbjs.arrayContains( accessList, username ))
				usersToAdd.push( username );
		}
		for (var i = 0; i < accessList.length; ++i)
		{
			var username = accessList[i];
			if (!cbjs.arrayContains( viewerNames, username ))
				usersToRemove.push( username );
		}
		platform.limitCam_addUsers( usersToAdd );
		platform.limitCam_removeUsers( usersToRemove );
		if (usersToAdd.length > 0)
			platform.log( "Added " + usersToAdd.join( ", " ) + " to the access list." );
		if (usersToRemove.length > 0)
			platform.log( "Removed " + usersToRemove.join( ", " ) + " from the access list." );
	}

	var getViewerNames = function( )
	{
		var names = [];
		for (username in viewers)
		{
			var viewer = viewers[username];
			if (platform.isUserPresent( viewer.username ))
			{
				if (isViewerWatching( viewer ))
					names.push( viewer.username );
			}
		}
		return names;
	}

	var isWatching = function( username )
	{
		if (username in viewers)
			return isViewerWatching( viewers[username] );
		return false;
	}

	var isViewerWatching = function( viewer )
	{
		return viewer.free || viewer.timeLeft > 0;
	}

	var cbOnEnter = function( cbUser )
	{
		if (cbUser.user != platform.room_slug)
		{
			if (isViewer( cbUser.user ))
				getViewer( cbUser.user ).free = isFreeUser( cbUser.user );
			else
				tryAddViewer( cbUser.user )
			if (platform.limitCam_isRunning( ))
				welcomeViewer( cbUser.user );
		}
	}

	var cbOnTip = function( cbTip )
	{
		var tipAmount = parseInt( cbTip.amount );
		totalTips += tipAmount;
		var viewer = getViewer( cbTip.from_user );
		var timeAdded = timeFromTip( tipAmount );
		viewer.timeLeft = Math.max( 0, viewer.timeLeft ) + timeAdded;
		viewer.lastNotifiedAt = 0;
		platform.log( viewer.username + " now has " + Math.ceil( viewer.timeLeft ) + " seconds (&#43;" + timeAdded + ")." );
		if (platform.limitCam_isRunning( ))
		{
			if (timeAdded > 0)
				platform.notify( cbTip.from_user, util.createReadableDuration2( timeAdded ) + " have been added." );
		}
		else
			creditGoal( tipAmount );
		platform.notify( platform.room_slug, "You've earned " + totalTips + "tokens in total tips." );
	}

	var creditGoal = function( amount )
	{
		if (goal)
		{
			var wasMet = goal.received >= goal.amount;
			goal.received += amount;
			if (!wasMet && goal.received >= goal.amount)
				goalReached( );
			else
				goalAdvanced( );
		}
	}

	var goalReached = function( )
	{
		platform.announce( "Goal reached!" );
	}

	var goalAdvanced = function( )
	{
		platform.announce( (goal.amount - goal.received) + " tokens left until " + goal.description );
	}

	var timeFromTip = function( amount )
	{
		if (tokensPerMinute > 0)
			return Math.floor( amount / tokensPerMinute * 60 );
		return 0;
	}

	var cbOnDrawPanel = function( )
	{
		var rows = [];
		if (platform.limitCam_isRunning( ))
			rows.push( createViewersPanelString( ) );
		else if (goal)
			rows.push( createGoalPanelString( ) );
		return createPanelFromRows( rows );
	}

	var createPanelFromRows = function( rows )
	{
		var template = {
			'template' : "3_rows_11_21_31",
			'row1_value' : "",
			'row2_value' : "",
			'row3_value' : ""
		};

		for (var i = 0; i < Math.min( 3, rows.length ); ++i)
			template["row"+(i+1)+"_value"] = rows[i];

		return template;
	}

	var createGoalPanelString = function( )
	{
		return goal.description + " @ " + goal.received + " / " + goal.amount;
	}

	var createViewersPanelString = function( )
	{
		return "Viewers: " + getWatcherCount( );
	}

	var getWatcherCount = function( )
	{
		var count = 0;
		for (username in viewers)
			if (isViewerWatching( viewers[username] ) && platform.isUserPresent( username ))
				++count;
		return count;
	}

	var cbOnMessage = function( cbMsg )
	{
		if (platform.limitCam_isRunning( ) && isWatching( cbMsg.user ))
			cbMsg.c = "#22CC22";
		return cbMsg;
	}

	init( );
}

var initSettings = function( )
{
	cb.settings_choices = [
			{ 'name' : 'allow_fanclub', 'label' : "Free for Fanclub members.", 'type' : 'choice', 'choice1' : "Enabled", 'choice2' : "Disabled" },
			{ 'name' : 'allow_mods', 'label' : "Free for moderators.", 'type' : 'choice', 'choice1' : "Enabled", 'choice2' : "Disabled" },
			{ 'name' : 'tokens_per_minute', 'label' : "Tokens per minute.", 'type' : 'int', 'minValue' : 0, 'maxValue' : 999999999, 'defaultValue' : 5 },
			{ 'name' : 'preview_time', 'label' : "Free preview length (seconds).", 'type' : 'int', 'minValue' : 0, 'maxValue' : 99999999, 'defaultValue' : 60*3 },
			{ 'name' : 'white_list', 'label' : "Additional free users (separated by space).", 'type' : 'str', 'defaultValue' : "", 'required' : false },
			{ 'name' : 'auto_start', 'label' : "Auto-start (use \"/start\" command to start manually)", 'type' : 'choice', 'choice1' : "Enabled", 'choice2' : "Disabled" }
		];
}

new (function( ) {
	if (Object.keys( cb.settings ).length > 0)
		main( );
	else
		initSettings( );
})( );