// utility method that duck-punches Object 
// to handle object construction & inheritance
if(typeof Object.beget !== 'function') {
	Object.beget = function(o) {
		var F = function() { };
		F.prototype = o;
		return new F();
	};
}
// now to make a new object based on the prototype 'foo', we go
// var bar = Object.beget(foo);

var globaltime = -1;

// flp_comm prototype 
// this object makes calls to the server and invokes the callback 
// provided by the object that intiated the call.
var flp_comm = {
	label : 'flp_comm',
	url_base : 'http://player2.entropymedia.com',
	cache_url_base : 'http://www.pbs.org',
	session_key : "0",
	track_session : function(json_data) {
		if(json_data.ses != this.session_key) { this.session_key = json_data.ses; }
	},
	getdir_fromcache : function(v) {
		$.jsonp({
			callback : 'get_json',
			callbackParameter : 'callback',
			context : v,
			cache : false,
			success : v.load_data,
			error : function () {
				v.cblockcheck = true;
			},  //need to hack jquery to modify jsonp callback
			url  : this.cache_url_base + '/wgbh/pages/frontline/.json/getdir/getdir' + v.pkg_id + '.json'
	})},
	getdir_fromsvc : function(v) {
		v.cblockcheck = false;
		$.jsonp({
			callback : 'get_json',
			callbackParameter : 'callback',
			success : v.load_data,
			context : v,
			error: function () {
				v.isblocked = true;
				v.loaded = true;
			},
			url  : this.url_base + '/json/core',
			data : {"method" : "getdir", "brn" : v.brand_id, "pkg" : v.pkg_id, "big" : 1}	
	})},
	getrel_fromcache : function(v) {
		$.jsonp({
			callback : 'get_json',
			callbackParameter : 'callback',
			success : v.load_reldata,
			error : v.get_relc_from_svc,
			context : v,
			cache : false,
			url  : this.cache_url_base + '/wgbh/pages/frontline/.json/getrel/getrels' + v.seg_id + '.json' 
	})},
	getrel_fromsvc : function(v) {
		$.jsonp({
			callback : 'get_json',
			callbackParameter : 'callback',
			success : v.load_reldata,
			context : v, 
			url  : this.url_base + '/json/core',
			data : {"method" : "getrel", "seg" : v.seg_id, "pkg" : v.pkg_id}	
	})},
	sendlog : function(v,currenttime,sourcer) {
		$.jsonp({
			callback : 'get_json',
			callbackParameter : 'callback',
			success : this.track_session,
			context : this,
			url  : this.url_base + '/json/core',
			data : {"method" : "logtim", "seg" : v.seg_id, "pkg" : v.pkg_id, "ses" : this.session_key, "tim" : currenttime, "src" : sourcer }	
	})}

	
};

// video protoype
var flp_video = {
	label : 'flp_video',
	loaded : false,
	relloaded : false,
	cblockcheck : false,
	isblocked : false,
	roundonefail : false,
	ispassword : false,
	mobilefriendly: false,
	fullshowmode: false,
	tp_media_id: 0,
	related_content : new Array(),
	jsondata : new Array(),
	pkg_id : 0,
	seg_id : 0,
	clean : function () {
		this.tp_media_id = 0;
		this.loaded = false;
		this.pkg_id = 0;
		this.seg_id = 0;
		this.jsondata.length = 0;
	},
	parse_video_id : function(id) { 
		this.rest_id = id;
		this.nola = id.substring(0,4);
		this.fullshow = (id.substring(7,8) == 'c' || id.substring(7,8) == 'o' || id.substring(7,8) == 'p')? true:false;
		this.brand_id = parseInt(id.substring(4,6), 16);
		if(id.substring(7,id.length).indexOf('q') != -1){
			var rem = id.substring(7,id.length).split(/q/);
			this.pkg_id = parseInt(rem[1],16);
			this.seg_id = parseInt(rem[0],16);
		} else {
			this.fullshowmode = true;
			this.pkg_id = parseInt(id.substring(7,id.length),16);
		}
		return this;
	},
	set_timer : function(t) {
	    this.timer = t;	
	},
	get_data_from_server : function(server) {
		server.getdir_fromcache(this);
		return this;
	},
	get_data_from_svc : function(server) {
		// if the above call fails (geoip blocking), the jsonpcallback will call this
		// to get data directly from the web service
		server.getdir_fromsvc(this);
		return this;
	},
	get_relc_from_server : function(server) {
		server.getrel_fromcache(this);
		return this;
	},
	get_relc_from_svc : function(server) {
	    server.getrel_fromsvc(this);
	    return this;	
	},
	load_data : function(data) {
		var haserror = false;
		if(data.error != null && data.error != ''){
			haserror = true;
			if(data.error == 'access from this location is blocked'){
				this.isblocked = true;
			}
			if(data.error == 'package requires password'){
				this.ispassword = true;
			}
		}
		if(!haserror){
			this.pkg_title = data.pkt;
			this.pkg_link = data.url;
			this.pkg_len = 0;
			this.brand_title = data.brt;
			this.itunes_link = data.itn;
			this.pkg_desc = data.pkd;
			this.embeddable = (data.emb == 1)? true:false;
			this.tp_media_id = parseInt(data.mid);
			this.progid = data.prgid;
			this.jsondata = data;  // let's hang onto the json so we can load the other segments
			var i, seg;
			var fauxstartmode = (data.ditems[1] != undefined && data.ditems[1].tim == 0)? true:false;
			var tim = 0;			
			for(i=0;i<data.ditems.length;i++) {
				seg = data.ditems[i];
				if(fauxstartmode){  // this is to simulate start times without removing the existing chapterized stuff
					seg.tim = tim;
				}
				tim += parseInt(seg.len);
				if(seg.src.indexOf('.mp4') != -1){
					this.mobilefriendly = true;
				} else {
					this.mobilefriendly = false;
				}
				if(seg.id == this.seg_id || (this.fullshowmode && i == 0)) {
					this.seg_id = seg.id;
					this.seg_title = seg.tit;
					this.seg_desc = seg.dsc;
					this.seg_length = seg.len;
					this.tmb = seg.tmb;
					this.seg_start = seg.tim;
					this.seg_end = seg.tim + seg.len;
					this.seg_link = (seg.url != '')? seg.url:this.pkg_link;
					this.video_file = seg.src;
					this.seg_index = seg.pki;
				}
			}
			this.pkg_len = tim;
		}
		this.loaded = true;
		return this;
	},
	upd_chapter : function (idx) {
		for(i=0;i<this.jsondata.ditems.length;i++) {
			seg = this.jsondata.ditems[i];
			if(seg.pki == idx) {
				this.seg_id = seg.id;
				this.seg_title = seg.tit;
				this.seg_desc = seg.dsc;
				this.seg_length = seg.len;
				this.seg_link = (seg.url != '')? seg.url:this.pkg_link;
				this.tmb = seg.tmb;
				this.video_file = seg.src;
				this.seg_index = seg.pki;
			}
		}
		this.relloaded = false;
		return this;
	},
	player_type : function() {  
		//alert(this.label);
		if(this.tp_media_id == 0 || this.tp_media_id == null) {
			return "npa";
		} else {
			return "cove";
		}
	},
	thismovie : function (movieName) {
		 if (navigator.appName.indexOf("Microsoft") != -1) {
			 return window[movieName];
		 } else {
			 return document[movieName];
		 }
	 },
	mp4_enabled : function () {
		return this.mobilefriendly;
	},
	load_reldata : function(data) {
		this.related_content.length = 0;
		var relc = new Array();
		var rela = new Array();
		for(var i=0;i<data.rels.length;i++) {
			if(data.rels[i].idcode == null){
				data.rels[i].fired = false;
				relc.push(data.rels[i]);
				rela.push(data.rels[i].tim);
			}
		}
		rela.sort(function (a,b) { return a > b });
	
		for(var x = 0; x < rela.length; x++){
			for(var y = 0; y < relc.length; y++){
				if(rela[x] == relc[y].tim){
					this.related_content.push(relc[y]);
				}
			}
		}
		this.relloaded = true;
		return this;
	}
};

function jsbridge (msg){
	if(console){
		console.log(msg);
	}
}

var flp_player = {
	label : 'flp_player',
	mode : 'npa',
	receptive : false,
	chupdate_callback : null,
	htmlplayer : null,
	isinseek : false,
	currenttime : 0,
	isplaying: false,
	wasad: false,
	isready : false,
	playercode : 'npaplayer',
	chdata : {},
	waitmode : false,
    tasks : {},	
	origin : '*', // this makes me so, so nervous
	updateIvl : 0,
    register_task : function(evt, func) { this.add_task_to_queue(func, evt); },
    add_task_to_queue : function(func, evt) {
	    this.tasks[evt] = func;
    },
    legacy_player : function () {
		this.mode = 'npa';
		var player_code  = '<div class="player" id="npaplayer">loading</div>';
		return player_code;
    },
	legacy_player_init : function(id,w,h,ap,emb,fullshow) {
//		w += 2; // compensate for skin width
		h += 32;  // compensate for control height;
		this.isready = true;
		var subthis = this;
		var config = new Array();
		this.receptive = true;
		config.pap_url = location.href;
		config.pap_ffw = w;
		config.pap_ffh = h;
		config.pap_legacymode = true;
		config.pap_hash = id;
		if(ap){
			config.pap_play = true;
		}
		if(fullshow){
			config.pap_fullshow = true;
			config.pap_arrowonly = true;
		} else {
			config.pap_fullshow = false;
			config.pap_standalone = true;
			config.pap_arrowonly = false;
		}
		if(!emb){
			config.pap_relatedexternal = true;
		} else {
			config.pap_replay = true;
		}
		config.pap_usecache = true;
		config.pap_evtmgr = this.legacy_player_evthandle;
		swfobject.embedSWF("/wgbh/pages/frontline/video/flv/e11b.swf","npaplayer",w,h,"9.0.115.0",null,config, { 'wmode':'opaque', 'scale':'noscale', 'salign':'tl', 'menu':false, 'allowFullScreen':true, 'allowScriptAccess':'always' }, { id:'npap',name:'npap' });
	},
	legacy_player_evthandle : function (evt, ch) {
		if(evt == 'onPlay'){
			this.flp_player.evthandle('playing');
			this.flp_player.isplaying = true;
		}
		if(evt == 'onPause' || evt == 'onStop'){
			this.flp_player.evthandle('paused');
			this.flp_player.isplaying = false;
		}
		if(evt == 'onDone'){
			this.flp_player.evthandle('ended');
			this.flp_player.evthandle('endchapter');
			this.flp_player.isplaying = false;
		}
		if(evt == 'onChapter'){
			this.flp_player.evthandle('chapterup');
		}
	},
	cove_player : function() {
		this.mode = 'cove';
		var player_code  = '<div id="v_coveouter"><div id="npaplayer_outer">loading</div></div>';
		return player_code;
	},
	cove_report : function (ev) {
		if(console){
			console.log(ev);
		}
	},

	cove_player_start : function(mediaid,w,h,ap,inchdata,st,en,extemb,override) {
//		h += 18; // compensate for control height;
		this.playercode = 'npaplayer';
		
		var aptext = '&amp;autoplay=true';
		if(!ap){
			aptext = '&amp;autoplay=false'
		}				
						
		if(override){
			confinement = '&amp;start=' + st;
			if(en){
				confinement = '&amp;end=' + en;
			}		
		}

		var subthis = this;
		
		$("#npaplayer_outer").html('<iframe id="videoIframe" width="' + w + '" height="' + h + '" src="http://video.pbs.org/widget/partnerplayer/' + mediaid + '/?w=' + w + '&amp;h=' + h + '&amp;endscreen=false&amp;topbar=false' + aptext + '" frameborder="0" scrolling="no"></iframe>');
		this.videowindow = document.getElementById('videoIframe').contentWindow;

		if (typeof window.addEventListener === 'function') {
			window.addEventListener("message", function(evt) {
				subthis.messagerouter(evt,subthis);
			}, false);
		} else {
			window.attachEvent("onmessage",function(evt) {
				subthis.messagerouter(evt,subthis);
			});
		}
		
		if(!ap){
			this.isplaying = false;
		}
	},
	messagerouter : function (evt,subthis) {
		var data=evt.data,action=evt.data.split('::')[0],value=evt.data.split('::')[1];
	
		if(action === "getPosition"){
			globaltime = (parseInt(value));
		}
		
		if(action === "initialized"){
//			subthis.mediaready();
		}
		if(action === "video"){
			if(value === "playing"){
				subthis.evthandle('playing');
				clearInterval(subthis.updateIvl);
				subthis.updateIvl = setInterval(function () {
					subthis.videowindow.postMessage('getPosition', subthis.origin);
				}, 500);
				subthis.isplaying = true;
			}
			if(value === "paused"){
				subthis.evthandle('paused');
				clearInterval(subthis.updateIvl);
				subthis.isplaying = false;
			}
			if(value === "finished"){
				subthis.evthandle('endchapter');
				subthis.evthandle('ended');
				clearInterval(subthis.updateIvl);
				subthis.isplaying = false;
			}
		}

	
	},	
	previous_clip : function () {
//		tpController.previousClip();
	},
	cove_timeupd : function (timeobj, thing) {
		thing.currenttime = parseInt(timeobj.data.currentTime / 1000);
	},
	evthandle : function (caller) {
		if(caller != undefined){
			if(this.tasks[caller]){
				this.tasks[caller].call();
			}
		}
	},
	reset_player : function () {
//		tpController.resetPlayer();
	},
	adcheck : function () {
		if(this.mode == 'cove'){
			var a;
			if(navigator.appName.indexOf("Microsoft")!=-1)
			{
			a=window[this.playercode]
			}
			else
			{
			a=document[this.playercode]
			}
			return a.adstatus();
		}
	},
	isalive : function () {
		var ret = true;
		if(this.mode == 'cove'){
			ret = false;
			var a;
			if(navigator.appName.indexOf("Microsoft")!=-1)
			{
			a=window[this.playercode]
			}
			else
			{
			a=document[this.playercode]
			}
			try { var x = a.adstatus(); ret = true; } catch (e) {
				ret = false;
			}
		}
		this.trycount = 0;
		return ret;		
	},
	html5_player : function (filen,w,h,tmb,ap) {
		this.mode = 'html5';
		if(filen.indexOf('http') == -1){
			filen = 'http://www-tc.pbs.org' + filen;
		}
		var player_code = '<video id="npavid" width="' + w + 'px" height="' + h + 'px" controls="controls"';
		player_code += (ap)? ' autoplay="true"':'';
		player_code += ' poster="' + tmb + '" src="' + filen + '"></video>';
		this.receptive = true;
		return player_code;
	},
	html5_evt : function () {
		this.htmlplayer = document.getElementById('npavid');
		var subthis = this;
		this.htmlplayer.addEventListener('ended',function () {  subthis.evthandle('endchapter'); subthis.evthandle('ended'); subthis.isplaying = false;},true);
		this.htmlplayer.addEventListener('error',function () { subthis.evthandle('error'); subthis.isplaying = false; },true);
		this.htmlplayer.addEventListener('playing',function () { subthis.evthandle('playing'); subthis.isplaying = true;  },true);
		this.htmlplayer.addEventListener('pause',function () { subthis.evthandle('paused'); subthis.isplaying = false; },true);
	},
	play : function () {
		if(this.mode == 'npa'){
			// play goes here
		} else {
			if(this.mode == 'html5'){
				this.htmlplayer.play();		
			} else {
				this.videowindow.postMessage('play', this.origin);
			}
		}
	},
	playchapter : function (chidx,isfirst) {
		if(this.isready){
			if(this.waitmode){
				this.wait_stop();
			}
			if(this.mode == 'cove'){
//				tpController.seekToPosition(chdata[chidx]*1000);
//				tpController.pause(false);
			} else {
				var a;
				if(navigator.appName.indexOf("Microsoft")!=-1)
				{
				a=window['npap']
				}
				else
				{
				a=document['npap']
				}
				a.chapterload(chidx+1,isfirst);
			}
		} else {
			var subthis = this;
			if(!this.waitmode){
				this.wait_start();
			}
			setTimeout(function () { subthis.playchapter(chidx,isfirst) }, 500);
		}
	},
	wait_start : function () {
		this.waitmode = true;
		if($("#v_replacementthumb")){
			$("#v_replacementthumb").html('');
			$("#v_replacementthumb").show();
		}	
	},
	wait_stop : function () {
		this.waitmode = false;
		if($("#v_replacementthumb")){
			$("#v_replacementthumb").hide();
		}	
		$("#v_impatient").fadeOut("slow",function () {
			$("#v_impatient").html('');
			$("#v_impatient").remove();
		});
	},
	playbutton : function () {	
		if(this.mode == 'cove'){
			if(this.isready){
				if(this.waitmode){
					this.wait_stop();
				}
				this.videowindow.postMessage('play', this.origin);
			} else {
				var subthis = this;
				if(!this.waitmode){
					this.wait_start();
				}
				setTimeout(function () { subthis.playbutton() }, 500);
			}
		} else {
			if(this.mode == 'npa'){
				var a;
				if(navigator.appName.indexOf("Microsoft")!=-1)
				{
				a=window['npap']
				}
				else
				{
				a=document['npap']
				}
				a.pap_play();
			} else {
				this.htmlplayer.play();
			}
		}
	},
	receptiveness : function () {
		this.receptive = true;
	},
	pause : function () {
		if(this.mode == 'cove'){
			this.videowindow.postMessage('pause', this.origin);
		} else {
			if(this.mode == 'npa'){
				var a;
				if(navigator.appName.indexOf("Microsoft")!=-1)
				{
				a=window['npap']
				}
				else
				{
				a=document['npap']
				}
				a.pap_pause();
			} else {
				this.htmlplayer.pause();		
			}
		}
	}, 
	seek : function (seekpoint,dontplay,firsttime) {
		if(this.isready){
			isinseek = false;
			if(this.mode == 'cove'){
				var pt = parseInt(seekpoint);	
				this.videowindow.postMessage('seek::'+pt, this.origin);
				if(!this.isplaying && !dontplay){
//					if(!firsttime){
				//		this.thismovie('npaplayer').playerPlay();
//					} else {
//						tpController.clickPlayButton();
//					}
				}
			} else {
				// so far only cove supports seek
			}
		} else {
			isinseek = true;
			var subthis = this;
			var recreload = setTimeout(function () { subthis.seek(parseInt(seekpoint)) }, 500);
		}
	},
	timerupdate : function () {
		if(this.mode == "cove"){
			this.currenttime = globaltime;
		}
		if(this.receptive){
			// cove time management via their onmediaplaying event
			if(this.mode == 'html5'){
				this.currenttime = parseInt(this.htmlplayer.currentTime);
			}				
			if(this.mode == 'npa'){
				var a;
				if(navigator.appName.indexOf("Microsoft")!=-1)
				{
				a=window['npap']
				}
				else
				{
				a=document['npap']
				}
				var rett = a.gettime();
				this.currenttime = parseInt(rett.showtime);
			}				
		}
		return this.currenttime;
	},
	chapterswitch : function (targetfile) {
		if(targetfile.indexOf('http') == -1){
			targetfile = 'http://www-tc.pbs.org' + targetfile;
		}
		this.htmlplayer.autoplay = true;
		this.htmlplayer.src = targetfile;
		this.htmlplayer.load();
		this.htmlplayer.play();
	}
};