YOUTUBE_SEARCH_URL = "https://gdata.youtube.com/feeds/api/videos"
YOUTUBE_URL_PREFIX = "http://youtube.com/watch?v="
function courtesy_s (quantity, noun)
	{
	if (quantity > 1)
		return quantity + " " + noun + "s"
	return quantity + " " + noun
	}
var Search =
	{
	start: 0,
	limit: 20,
	sj: function ()
		{
		Search.start = 0
		Search.terms = $("#search-terms").val()
		Search.sjSearch (Search.terms, Search.start)
		},
	sjSearch: function (terms, start)
		{
		var params =
			{
			"q": terms,
			"start": Search.start,
			"limit": Search.limit,
			"session": Auth.session,
			}
		$.post(API.URL.video.search, params, Search.sjCallback)
		$("#search-instructions").hide()
		$("#search-results").html("").hide()
		$("#search-loading").show()
		$("#search-results-container").show()
		},
	sjCallback: function (raw)
		{
		var lines = API.parse ("/video/search", raw)
		var items = []
		for (var i = 0; i < lines.length; i++)
			{
			// 0 id  1 score  2 user  3 usercount  4 title  5 url  6 thumbnail
			var line = lines[i].split("\t")
			if (line.length < 7)
				continue
			var video =
				{
				url: line[5],
				thumbnail: line[6],
				title: line[4],
				user: line[2],
				quantify: "",
				}
			if (parseInt(line[3]) > 1)
				video['user'] += " + " + courtesy_s (parseInt(line[3])-1, "other")
			if (parseInt(line[1]) > 0)
				video['quantify'] = courtesy_s (parseInt(line[1]), "like")
			var tag = Search.resultTag (video)
			items.push(tag)
			}
		if (items.length === Search.limit)
			{
			Search.start += Search.limit
			$("#search-next-page").show()
			}
		else
			{
			$("#search-next-page").hide()
			}
		$("#search-loading").hide()
		$("#search-results").html(items.join("")).show()
		$("#search-instructions").show()
		$("#curtain").bind("click", Search.close).css({"background-color": "transparent", "z-index": 99}).show()
		},
	youtube: function ()
		{
		var terms = $("#search-terms").val()
		var params =
			{
			"q": terms,
    			"v": 2,
			"alt": "jsonc",
			}
		$.get(YOUTUBE_SEARCH_URL, params, Search.youtubeCallback, "jsonp")
		$("#search-results-container").show()
		$("#search-results").html("").hide()
		$("#search-loading").show()
		},
	durationToString: function (duration)
		{
		return Math.floor(duration / 60) + ":" + (duration % 60)
		},
	viewCountToString: function (viewCount)
		{
		if (! viewCount)
			return '0'
		var vc = viewCount.toString ()
		var commas = /(\d+)(\d{3})/;  
		while (commas.test(vc))
			{
			vc = vc.replace(commas, '$1' + ',' + '$2');  
			}
		return vc
		},
	resultTag: function (video)
		{
		var tag = "<li data-url='"+video['url']+"'>"
		tag += "<div class='thumb' style='background-image: url(" + video['thumbnail'] + ")'></div>"
		tag += "<h4>" + video['title'] + "</h4>"
		tag += "<span class='metadata'>"
		tag += video['user']
		tag += "<br/>"
		tag += video['quantify']
		tag += "</span>"
		tag += "<a href='"+video['url']+"' target='_blank' class='preview'>Preview</a>"
		tag += "</li>"
		return tag
		},
	youtubeCallback: function (data)
		{
		var items = []
		for (var i = 0; i < data['data']['items'].length; i++)
			{
			var item = data['data']['items'][i]
			var video =
				{
				url: YOUTUBE_URL_PREFIX+item['id'],
				thumbnail: item['thumbnail']['sqDefault'],
				title: item['title'],
				user: item['uploader'],
				quantify: Search.viewCountToString(item['viewCount']) + "views",
				}
			var tag = Search.resultTag (video)
			items.push(tag)
			}
		$("#search-loading").hide()
		$("#search-results").html(items.join("")).show()
		},
	keydown: function (e)
		{
		if (e.keyCode === 13)
			{
			Search.sj ()
			}
		if (e.keyCode === 27)
			{
			Search.close ()
			Keyboard.focusTextarea ()
			}
		},
	nextPage: function ()
		{
		Search.sjSearch (Search.terms, Search.start)
		},
	loadResult: function ()
		{
		var url = $(this).parent().data("url")
		$.post(API.URL.room.say, {room: Room.name, session: Auth.session, msg: url})
		Search.close ()
		},
	close: function ()
		{
		$("#curtain").unbind("click", Search.close).hide()
		$("#search-results-container").hide()
		$("#search-terms").val("")
		},
	blurSearchTextarea: function ()
		{
		$(window).unbind("keydown")
		$("#chat-message").unbind("keydown").bind("keydown", Keyboard.textareaMap)
		$("#chat-message").unbind("focus").focus().bind("focus", Keyboard.focusTextarea)
		if ($("#chat-message").val().length === 0)
			Keyboard.enteredText = false
		},
	focusSearchTextarea: function ()
		{
		$(window).unbind("keydown")
		$("#chat-message").unbind("keydown")
		},
	init: function ()
		{
		$("#search-results li div").live("click", Search.loadResult)
		$("#search-results li h4").live("click", Search.loadResult)
		$("#search-results li span").live("click", Search.loadResult)
		$("#search-terms").bind("keydown", Search.keydown)
		$("#search-terms").bind("focus", Search.focusSearchTextarea)
		$("#search-terms").bind("blur", Search.blurSearchTextarea)
		// $("#search-terms").val("glock n my hand")
		// Search.sj ()
		}
	}
Search.init ()