#!/usr/bin/env/python
# -*- coding: utf-8 -*-
from __future__ import unicode_literals

import mock
from nose.tools import eq_, raises
from pytube import api
from pytube.exceptions import MultipleObjectsReturned


class TestPytube(object):
    def setUp(self):
        url = 'http://www.youtube.com/watch?v=9bZkp7q19f0'
        with open('tests/mock_video.js') as fh:
            self.mock_js = fh.read()

        with open('tests/mock_video.html') as fh:
            self.mock_html = fh.read()

        with mock.patch('pytube.api.urlopen') as urlopen:
            urlopen.return_value.read.return_value = self.mock_html
            self.yt = api.YouTube()
            self.yt._js_cache = self.mock_js
            self.yt.from_url(url)

    def test_get_video_id(self):
        """Resolve the video id from url"""
        eq_(self.yt.video_id, '9bZkp7q19f0')

    def test_auto_filename(self):
        """Generate safe filename based on video title"""
        expected = 'PSY - GANGNAM STYLE(\uac15\ub0a8\uc2a4\ud0c0\uc77c) MV'

        eq_(self.yt.filename, expected)

    def test_manual_filename(self):
        """Manually set a filename"""
        expected = 'PSY - Gangnam Style'

        self.yt.set_filename(expected)
        eq_(self.yt.filename, expected)

    def test_get_all_videos(self):
        """Get all videos"""
        eq_(len(self.yt.get_videos()), 6)

    def test_filter_video_by_extension(self):
        """Filter videos by filetype"""
        eq_(len(self.yt.filter('mp4')), 2)
        eq_(len(self.yt.filter('3gp')), 2)
        eq_(len(self.yt.filter('webm')), 1)
        eq_(len(self.yt.filter('flv')), 1)

    def test_filter_video_by_extension_and_resolution(self):
        """Filter videos by file extension and resolution"""
        eq_(len(self.yt.filter('mp4', '720p')), 1)
        eq_(len(self.yt.filter('mp4', '1080p')), 0)

    def test_filter_video_by_extension_resolution_profile(self):
        """Filter videos by file extension, resolution, and profile"""
        eq_(len(self.yt.filter('mp4', '360p', 'Baseline')), 1)

    def test_filter_video_by_profile(self):
        """Filter videos by file profile"""
        eq_(len(self.yt.filter(profile='Simple')), 2)

    def test_filter_video_by_resolution(self):
        """Filter videos by resolution"""
        eq_(len(self.yt.filter(resolution='360p')), 2)

    @raises(MultipleObjectsReturned)
    def test_get_multiple_itmes(self):
        """get(...) cannot return more than one video"""
        self.yt.get(profile='Simple')
        self.yt.get('mp4')
        self.yt.get(resolution='240p')