#!/usr/bin/env python2
import unittest
import hashlib
import os
import json

from youtube_dl.FileDownloader import FileDownloader
from youtube_dl.InfoExtractors  import YoutubeIE, DailymotionIE
from youtube_dl.InfoExtractors import  MetacafeIE, PhotobucketIE
from youtube_dl.InfoExtractors import FacebookIE, BlipTVIE
from youtube_dl.InfoExtractors import VimeoIE, XVideosIE


class DownloadTest(unittest.TestCase):
	PARAMETERS_FILE = "test/parameters.json"
	#calculated with md5sum:
	#md5sum (GNU coreutils) 8.19

	YOUTUBE_MD5 = "ab62e120445e8f68e8c8fddb7bd3ed76"
	YOUTUBE_URL = "http://www.youtube.com/watch?v=BaW_jenozKc"
	YOUTUBE_FILE = "BaW_jenozKc.mp4"


	DAILYMOTION_MD5 = "d363a50e9eb4f22ce90d08d15695bb47"
	DAILYMOTION_URL = "http://www.dailymotion.com/video/x33vw9_tutoriel-de-youtubeur-dl-des-video_tech"
	DAILYMOTION_FILE = "x33vw9.mp4"


	METACAFE_MD5 = ""
	METACAFE_URL = "http://www.metacafe.com/watch/yt-bV9L5Ht9LgY/download_youtube_playlist_with_youtube_dl/"
	METACAFE_FILE = ""


	PHOTOBUCKET_MD5 = ""
	PHOTOBUCKET_URL = ""
	PHOTOBUCKET_FILE = ""


	FACEBOOK_MD5 = ""
	FACEBOOK_URL = ""
	FACEBOOK_FILE = ""


	BLIP_MD5 = ""
	BLIP_URL = ""
	BLIP_FILE = ""

	VIMEO_MD5 = ""
	VIMEO_URL = ""
	VIMEO_FILE = ""

	XVIDEO_MD5 = ""
	XVIDEO_URL = ""
	XVIDEO_FILE = ""


	def test_youtube(self):
		#let's download a file from youtube
		with open(DownloadTest.PARAMETERS_FILE) as f:
			fd = FileDownloader(json.load(f))
		fd.add_info_extractor(YoutubeIE())
		fd.download([DownloadTest.YOUTUBE_URL])
		print(os.path.abspath(DownloadTest.YOUTUBE_FILE))
		self.assertTrue(os.path.exists(DownloadTest.YOUTUBE_FILE))
		md5_down_file = md5_for_file(DownloadTest.YOUTUBE_FILE)
		self.assertEqual(md5_down_file, DownloadTest.YOUTUBE_MD5)

	def test_dailymotion(self):
		with open(DownloadTest.PARAMETERS_FILE) as f:
			fd = FileDownloader(json.load(f))
		fd.add_info_extractor(DailymotionIE())
		fd.download([DownloadTest.DAILYMOTION_URL])
		self.assertTrue(os.path.exists(DownloadTest.DAILYMOTION_FILE))
		md5_down_file = md5_for_file(DownloadTest.DAILYMOTION_FILE)
		self.assertEqual(md5_down_file, DownloadTest.DAILYMOTION_MD5)

	@unittest.skip("no suitable ie")
	def test_metacafe(self):
		with open("test/json") as f:
			fd = FileDownloader(json.load(f))
			print fd
		fd.add_info_extractor(MetacafeIE())
		fd.download([DownloadTest.METACAFE_URL])
		self.assertTrue(os.path.exists(DownloadTest.METACAFE_FILE))
		md5_down_file = md5_for_file(DownloadTest.METACAFE_FILE)
		self.assertEqual(md5_down_file, DownloadTest.METACAFE_MD5)

	@unittest.skip("no suitable url")
	def test_photobucket(self):
		fd = FileDownloader({})
		fd.add_info_extractor(PhotobucketIE())
		fd.download([DownloadTest.PHOTOBUCKET_URL])
		self.assertTrue(os.path.exists(DownloadTest.PHOTOBUCKET_FILE))
		md5_down_file = md5_for_file(DownloadTest.PHOTOBUCKET_FILE)
		self.assertEqual(md5_down_file, DownloadTest.PHOTOBUCKET_MD5)

	@unittest.skip("no suitable url")
	def test_facebook(self):
		fd = FileDownloader({})
		fd.add_info_extractor(FacebookIE())
		fd.download([DownloadTest.FACEBOOK_URL])
		self.assertTrue(os.path.exists(DownloadTest.FACEBOOK_FILE))
		md5_down_file = md5_for_file(DownloadTest.FACEBOOK_FILE)
		self.assertEqual(md5_down_file, DownloadTest.FACEBOOK_MD5)

	@unittest.skip("no suitable url")
	def test_blip(self):
		fd = FileDownloader({})
		fd.add_info_extractor(BlipTVIE())
		fd.download([DownloadTest.BLIP_URL])
		self.assertTrue(os.path.exists(DownloadTest.BLIP_FILE))
		md5_down_file = md5_for_file(DownloadTest.BLIP_FILE)
		self.assertEqual(md5_down_file, DownloadTest.BLIP_MD5)

	@unittest.skip("no suitable url")
	def test_vimeo(self):
		fd = FileDownloader({})
		fd.add_info_extractor(VimeoIE())
		fd.download([DownloadTest.VIMEO_URL])
		self.assertTrue(os.path.exists(DownloadTest.VIMEO_FILE))
		md5_down_file = md5_for_file(DownloadTest.VIMEO_FILE)
		self.assertEqual(md5_down_file, DownloadTest.VIMEO_MD5)

	@unittest.skip("no suitable url")
	def test_xvideo(self):
		fd = FileDownloader({})
		fd.add_info_extractor(XVideosIE())
		fd.download([DownloadTest.XVIDEO_URL])
		self.assertTrue(os.path.exists(DownloadTest.XVIDEO_FILE))
		md5_down_file = md5_for_file(DownloadTest.XVIDEO_FILE)
		self.assertEqual(md5_down_file, DownloadTest.XVIDEO_MD5)

	def tearDown(self):
		if os.path.exists(DownloadTest.YOUTUBE_FILE):
			os.remove(DownloadTest.YOUTUBE_FILE)
		if os.path.exists(DownloadTest.DAILYMOTION_FILE):
			os.remove(DownloadTest.DAILYMOTION_FILE)
		if os.path.exists(DownloadTest.METACAFE_FILE):
			os.remove(DownloadTest.METACAFE_FILE)
		if os.path.exists(DownloadTest.PHOTOBUCKET_FILE):
			os.remove(DownloadTest.PHOTOBUCKET_FILE)
		if os.path.exists(DownloadTest.FACEBOOK_FILE):
			os.remove(DownloadTest.FACEBOOK_FILE)
		if os.path.exists(DownloadTest.BLIP_FILE):
			os.remove(DownloadTest.BLIP_FILE)
		if os.path.exists(DownloadTest.VIMEO_FILE):
			os.remove(DownloadTest.VIMEO_FILE)
		if os.path.exists(DownloadTest.XVIDEO_FILE):
			os.remove(DownloadTest.XVIDEO_FILE)

def md5_for_file(filename, block_size=2**20):
    with open(filename) as f:
        md5 = hashlib.md5()
        while True:
            data = f.read(block_size)
            if not data:
                break
            md5.update(data)
            return md5.hexdigest()