# Tk_youtube_add2playlist.py

from Tkinter import * 
from urllib2 import urlopen
import re
import webbrowser
import tempfile
import subprocess # to execute the js file as only in the background

tf = tempfile.mktemp(".js", "youtube_")

yt = 'https://www.youtube.com/watch?v='
ya = 'https://www.youtube.com/playlist?list='

'''https://www.youtube.com/playlist?list=PL3dxi8yxvrTBg9g6ZrqsumlLbYuIWjV09'''

root = Tk()
label = LabelFrame(root, text=' youtube urls to playlist ', height=200, width=800, bg="aqua")
label.pack(fill=X)
label.pack_propagate(False)

def inEntry(z):
	try:
		z = str(z.get())
	except: pass
	try:
		z = z[z.index('=')+1:]
		try: z = z[:z.index('&')]
		except: pass
	except: pass
	return z.strip()

WL = 'Watch Later Playlist'
def getA(z):
	if not z.strip() or z == WL:
		z = 'WL'
		stA.set(WL)
	return z

def getB(z): # ZZZ
	if not z.strip():
		z = root.clipboard_get()
		stB.set(inEntry(z))
	return z

def verify():
	oB = inEntry(stB)
	if oB:
		webbrowser.open(ya+oB)
	else: print "*** entry is invalid ***"
#
def addto():
	oA = getA(inEntry(stA))
	oB = getB(inEntry(stB))
	root.update()
	if oB:
		h = html.replace('***AAA***',oA).replace('***BBB***',oB)
		t = open(tf, 'w')
		t.write(h)
		t.close()
		p = subprocess.Popen(tf, shell=True)
		stdoutdata, stderrdata = p.communicate()

def ypad(y=0):
	if y == -1:
		pass
	elif y in ['text']:
		root.ypad+=30
	elif y:
		root.ypad=y+2
	else:
		root.ypad+=21
	return root.ypad

btn = Button(label, text='Add To Playlist', command=addto)
btn.pack()
btn.place(x=5,y=ypad(1))

btn = Button(label, text='Check Target Playlist', command=verify)
btn.pack()
btn.place(x=100,y=ypad(-1))

t = Label(label, text='Copy FROM youtube playlist (note: "Watch Later Playlist" is default if blank) -- ', bg="aqua")
t.pack()
t.place(x=5,y=ypad('text'))

stA = StringVar()
ent = Entry(label,textvariable=stA)
ent.pack()
ent.place(x=5,y=ypad(),width=760)

t = Label(label, text='Copy TO youtube playlist -- ', bg="aqua")
t.pack()
t.place(x=5,y=ypad('text'))

stB = StringVar()
ent = Entry(label,textvariable=stB)
ent.pack()
ent.place(x=5,y=ypad(),width=760)

oA = oB = ''

html = '''
var OAUTH2_CLIENT_ID = '28993181493-c9o6hdll3di0ssvebfd4atf13edqfu9g.apps.googleusercontent.com';
var OAUTH2_SCOPES = [
	'https://www.googleapis.com/auth/youtube'
];
var init = false;
googleApiClientReady = function() {
	gapi.auth.init(function() {
		window.setTimeout(checkAuth, 1);
	});
}

function checkAuth() {
	gapi.auth.authorize({
		client_id: OAUTH2_CLIENT_ID,
		scope: OAUTH2_SCOPES,
		immediate: true
	}, handleAuthResult);
}
// Handle the result of a gapi.auth.authorize() call.
function handleAuthResult(authResult) {

	if (authResult && !authResult.error) {
		// Authorization was successful. Hide authorization prompts and show
		// content that should be visible after authorization succeeds.
		$('.pre-auth').hide();
		$('.post-auth').show();
		loadAPIClientInterfaces();
	}
}

function loadAPIClientInterfaces() {
	gapi.client.load('youtube', 'v3', function() {
		if (init) {
			init = false;
			addVideoToPlaylist();
		}
	});
}
// Add a video ID specified in the form to the playlist.
function addVideoToPlaylist() {
	addToPlaylist($('#video-id').val());
}
// Add a video to a playlist.
function addToPlaylist(id) {
	var details = {
		videoId: id,
		kind: 'youtube#video'
	}
	var request = gapi.client.youtube.playlistItems.insert({
		part: 'snippet',
		resource: {
			snippet: {
				playlistId: "***AAA***",
				resourceId: details
			}
		}
	});
	request.execute(function(response) {
		console.log(response);
		if (!response.code) {
			$('#status').html('<pre>Succesfully added the video : ' + JSON.stringify(response.result) + '</pre>');
		} else if (response.code == 409) {
			$('#status').html('<p>Conflict : this video is already on your Watch Later playlist</p>');
		} else if (response.code == 404) {
			$('#status').html('<p>Not Found : this video hasnt been found</p>');
		} else {
			$('#status').html('<p>Error : code ' + response.code + '</p>');
		}
	});
}
'''[1:-1]

root.mainloop()