function warn (s)
	{
	$('#msg').append(s+"<br/>")
	scrollToBottom('#msg')
	}
function scrollToTop (div)
	{ $(div).scrollTop( 0 ) }
function scrollToBottom (div)
	{ $(div).scrollTop( $(div)[0].scrollHeight ) }
function trim (s)
	{ if (s) { return s.replace(/^\s+|\s+$/g,"") } else { return s } }
function supports_html5_storage ()
	{
	try
		{ return 'localStorage' in window && window['localStorage'] !== null; }
	catch (e)
		{ return false }
	}
function noop() { return false }
var API =
	{
	HEADER: "#@scanjam 0.3b",
	LIKE_STRING: "like",
	HAS_LOCAL_STORAGE: supports_html5_storage(),
	BASE_URL: "http://scannerjammer.com:19898",
	URL:
		{
		auth:
			{
			register: "/api/auth/register",
			available: "/api/auth/available",
			login: "/api/auth/login",
			logout: "/api/auth/logout",
			},
		room:
			{
			join: "/api/room/join",
			poll: "/api/room/poll",
			say: "/api/room/say",
			},
		video:
			{
			like: "/api/video/like",
			unlike: "/api/video/unlike",
			},
		},
	parse: function (api,raw)
		{
		if (! raw)
			{ warn(api+": no result"); return false }
		var lines = raw.split("\n")
		if (lines.shift() !== API.HEADER)
			{ warn(api+": no header"); return false }
		if (! lines.length)
			{ warn(api+": no content"); return false }
		return lines
		},
	init: function ()
		{
		for (type in API.URL)
			{
			for (name in API.URL[type])
				{
				API.URL[type][name] = API.BASE_URL + API.URL[type][name]
				}
			}
		},
	}
var Local = API.HAS_LOCAL_STORAGE ?
	{
	getOrSet: function (key, value)
		{
		if (value)
			localStorage["scanjam."+key] = value
		else
			return localStorage.getItem("scanjam."+key)
		},
	userid: function (id)
		{ return Local.getOrSet("userid", id) },
	username: function (name)
		{ return Local.getOrSet("username", name) },
	isLiked: function (videoid)
		{ return localStorage.getItem("scanjam.like."+videoid) === "true" },
	unlike: function (videoid)
		{ localStorage["scanjam.like."+videoid] = false },
	like: function (videoid)
		{ localStorage["scanjam.like."+videoid] = true },
	} : { isLiked: noop, unlike: noop, like: noop, getOrSet: noop, username: noop, userid: noop, }
var Register =
	{
	userok: false,
	pwok: false,
	username: false,
	pwtimeout: false,
	activated: false,
	submit: function ()
		{
		if (! Register.userok || ! Register.pwok)
			return
		$("#register-go").unbind("click")
		var username = $("#register-username").val()
		var password = $("#register-pw2").val()
		var pwhash = $.md5("scanjam"+password)
		Register.username = username
		var data = 
			{
			'username': username,
			'password': pwhash,
			}
		$("#success-username").html(username)
		$.post(API.URL.auth.register, data).success(Register.submitCallback).error(Register.errorCallback)
		},
	errorCallback: function (raw)
		{
		Register.error("#username-available","weird problem, err try again")
		Register.error("#password-match", "")
		Register.deactivateGoButton()
		Register.activateGoButton()
		return
		},
	submitCallback: function (raw)
		{
		lines = API.parse("/api/register",raw)
		if (! lines || lines[0] !== "OK")
			return Register.errorCallback()
		var u = lines[1].split("\t")
		Local.userid(u[0])
		Local.username(u[1])
		document.cookie = "session="+u[2]+";path=/;domain=.scannerjammer.com;max-age=1086400"

		$("#register").fadeOut(1000, function ()
			{
			$("#success").fadeIn(1000, function()
				{
				$("#bg").fadeIn(700, 'linear')
				})
		 	})
		},
	checkPassword: function ()
		{
		var pw1 = $("#register-pw").val()
		var pw2 = $("#register-pw2").val()
		if (! pw1 && ! pw2)
			return
		if (pw1 && ! pw2)
			return
		if (pw1 !== pw2)
			{
			Register.error("#password-match", "passwords don't match..")
			Register.pwok = false
			return
			}
		$("#password-match").removeClass("error")
		$("#password-match").html("passwords match!")
		Register.pwok = true
		if (Register.userok)
			Register.activateGoButton()
		},
	deactivateGoButton: function ()
		{
		$("#register-go").css("color", "#000")
		$("#register-go").animate({opacity: 0.2}, 500)
		Register.activated = false
		},
	activateGoButton: function ()
		{
		$("#register-go").css("color", "#00f")
		$("#register-go").animate({opacity: 1.0}, 500)
		if (! Register.activated)
			{
			Register.activated = true
			$("#register-go").bind("click", Register.submit)
			}
		},
	error: function (id, msg)
		{
		$(id).addClass("error")
		$(id).html(msg)
		Register.deactivateGoButton()
		},
	checkAvailability: function ()
		{
		var isalphanumeric = /^[a-zA-Z0-9]+$/
		var username = $("#register-username").val()
		if (! username)
			{
			Register.error("#username-available", "please enter a username..")
			Register.userok = false
			return
			}
		if (isalphanumeric.test(username) === false)
			{
			Register.error("#username-available", "just letters/numbers plz..")
			Register.userok = false
			return
			}
		$.post(API.URL.auth.available, {'username':username}, Register.checkAvailabilityCallback)
		},
	checkAvailabilityCallback: function (raw)
		{
		lines = API.parse("/user/register", raw)
		if (! lines || lines[0] !== "OK")
			{
			alert(raw)
			Register.error("#username-available", "name already taken..")
			Register.userok = false
			return
			}
		$("#username-available").removeClass("error")
		$("#username-available").html("available!")
		Register.userok = true
		if (Register.pwok)
			Register.activateGoButton()
		},
	usernameUpdate: function (event)
		{
		Register.userok = false
		return true
		},
	pwUpdate: function (event)
		{
		// if (event.keyCode === 13)
		// 	{
		// 	Register.submit()
		// 	return false
		// 	}
		if (Register.pwtimeout)
			clearTimeout(Register.pwtimeout)
		Register.pwtimeout  = setTimeout(Register.checkPassword, 100)
		return true
		},
	init: function ()
		{
		$("#register-username").val("")
		$("#register-pw").val("")
		$("#register-pw2").val("")
		$("#register-username").bind("blur", Register.checkAvailability)
		$("#register-pw2").bind("blur", Register.checkPassword)
		$("#register-username").bind("keydown", Register.usernameUpdate)
		$("#register-pw").bind("keydown", Register.pwUpdate)
		$("#register-pw2").bind("keydown", Register.pwUpdate)
		$("#register").fadeIn(1000, function ()
			{
			$("#plant").fadeIn(1000)
			})
		$("#register-username").focus()
		},
	}
var Main =
	{
	roomName: false,
	enter: false,
	resize: function ()
		{
		var w = $(window).width()
		var h = $(window).height()

		$("#bg img").css("width", w)
		$("#bg img").css("height", h)

		$("#msg").css("max-height", h-130)
		},
	kp: function (event)
		{
		if (event.keyCode === 13)
			{
			if (Main.enter)
				Main.enter()
			return false
			}
		return true
		},
	init: function ()
		{
		warn("INIT")
		$("#msg").hide()

		$(window).resize(Main.resize)
		Main.resize()

		API.init()
		$(window).load(Register.init)

		if (window.location.hash)
			{
			Main.roomName = window.location.hash.replace("#","")
			$("#sj-link").attr("href", "/"+Main.roomName+"/")
			}
		},
	}
Main.init()