import datetime
import logging
import os
from os.path import join

import pytest

from sigal.gallery import Album, Gallery, Image, Media, Video
from sigal.video import SubprocessException

CURRENT_DIR = os.path.dirname(__file__)

REF = {
    'dir1': {
        'title': 'An example gallery',
        'name': 'dir1',
        'thumbnail': 'dir1/test1/thumbnails/11.tn.jpg',
        'subdirs': ['test1', 'test2', 'test3'],
        'medias': [],
    },
    'dir1/test1': {
        'title': 'An example sub-category',
        'name': 'test1',
        'thumbnail': 'test1/thumbnails/11.tn.jpg',
        'subdirs': [],
        'medias': ['11.jpg', 'CMB_Timeline300_no_WMAP.jpg',
                   'flickr_jerquiaga_2394751088_cc-by-nc.jpg',
                   'example.gif'],
    },
    'dir1/test2': {
        'title': 'test2',
        'name': 'test2',
        'thumbnail': 'test2/thumbnails/21.tn.tiff',
        'subdirs': [],
        'medias': ['21.tiff', '22.jpg', 'CMB_Timeline300_no_WMAP.jpg'],
    },
    'dir1/test3': {
        'title': '01 First title alphabetically',
        'name': 'test3',
        'thumbnail': 'test3/thumbnails/3.tn.jpg',
        'subdirs': [],
        'medias': ['3.jpg'],
    },
    'dir2': {
        'title': 'Another example gallery with a very long name',
        'name': 'dir2',
        'thumbnail': 'dir2/thumbnails/m57_the_ring_nebula-587px.tn.jpg',
        'subdirs': [],
        'medias': ['KeckObservatory20071020.jpg',
                   'Hubble Interacting Galaxy NGC 5257.jpg',
                   'Hubble ultra deep field.jpg',
                   'm57_the_ring_nebula-587px.jpg'],
    },
    'accentué': {
        'title': 'accentué',
        'name': 'accentué',
        'thumbnail': 'accentu%C3%A9/thumbnails/h%C3%A9lico%C3%AFde.tn.jpg',
        'subdirs': [],
        'medias': ['hélicoïde.jpg', '11.jpg'],
    },
    'video': {
        'title': 'video',
        'name': 'video',
        'thumbnail': ('video/thumbnails/'
                      'example%20video.tn.jpg'),
        'subdirs': [],
        'medias': ['example video.ogv']
    }
}


def test_media(settings):
    m = Media('11.jpg', 'dir1/test1', settings)
    path = join('dir1', 'test1')
    file_path = join(path, '11.jpg')
    thumb = join('thumbnails', '11.tn.jpg')

    assert m.dst_filename == '11.jpg'
    assert m.src_path == join(settings['source'], file_path)
    assert m.dst_path == join(settings['destination'], file_path)
    assert m.thumb_name == thumb
    assert m.thumb_path == join(settings['destination'], path, thumb)
    assert m.title == "Foo Bar"
    assert m.description == "<p>This is a funny description of this image</p>"

    assert repr(m) == f"<Media>('{file_path}')"
    assert str(m) == file_path


def test_media_orig(settings, tmpdir):
    settings['keep_orig'] = False
    m = Media('11.jpg', 'dir1/test1', settings)
    assert m.big is None

    settings['keep_orig'] = True
    settings['destination'] = str(tmpdir)

    m = Image('11.jpg', 'dir1/test1', settings)
    assert m.big == 'original/11.jpg'

    m = Video('example video.ogv', 'video', settings)
    assert m.dst_filename == 'example video.webm'
    assert m.big_url == 'original/example%20video.ogv'
    assert os.path.isfile(join(settings['destination'], m.path, m.big))

    settings['use_orig'] = True

    m = Image('21.jpg', 'dir1/test2', settings)
    assert m.big == '21.jpg'


def test_media_iptc_override(settings):
    img_with_md = Image('2.jpg', 'iptcTest', settings)
    assert img_with_md.title == "Markdown title beats iptc"
    # Markdown parsing adds formatting. Let's just focus on content
    assert "Markdown description beats iptc" in img_with_md.description
    img_no_md = Image('1.jpg', 'iptcTest', settings)
    assert img_no_md.title == ('Haemostratulus clouds over Canberra - '
                               '2005-12-28 at 03-25-07')
    assert img_no_md.description == (
        '"Haemo" because they look like haemoglobin '
        'cells and "stratulus" because I can\'t work out whether '
        'they\'re Stratus or Cumulus clouds.\nWe\'re driving down '
        'the main drag in Canberra so it\'s Parliament House that '
        'you can see at the end of the road.'
    )


def test_media_img_format(settings):
    settings['img_format'] = 'jpeg'
    m = Image('11.tiff', 'dir1/test1', settings)
    path = join('dir1', 'test1')
    thumb = join('thumbnails', '11.tn.jpeg')

    assert m.dst_filename == '11.jpeg'
    assert m.src_path == join(settings['source'], path, '11.tiff')
    assert m.dst_path == join(settings['destination'], path, '11.jpeg')
    assert m.thumb_name == thumb
    assert m.thumb_path == join(settings['destination'], path, thumb)
    assert m.title == "Foo Bar"
    assert m.description == "<p>This is a funny description of this image</p>"

    file_path = join(path, '11.tiff')
    assert repr(m) == f"<Image>('{file_path}')"
    assert str(m) == file_path


def test_image(settings, tmpdir):
    settings['destination'] = str(tmpdir)
    settings['datetime_format'] = '%d/%m/%Y'
    m = Image('11.jpg', 'dir1/test1', settings)
    assert m.date == datetime.datetime(2006, 1, 22, 10, 32, 42)
    assert m.exif['datetime'] == '22/01/2006'

    os.makedirs(join(settings['destination'], 'dir1', 'test1', 'thumbnails'))
    assert m.thumbnail == join('thumbnails', '11.tn.jpg')
    assert os.path.isfile(m.thumb_path)


def test_video(settings, tmpdir):
    settings['destination'] = str(tmpdir)
    m = Video('example video.ogv', 'video', settings)

    src_path = join('video', 'example video.ogv')
    assert str(m) == src_path

    file_path = join('video', 'example video.webm')
    assert m.dst_path == join(settings['destination'], file_path)

    os.makedirs(join(settings['destination'], 'video', 'thumbnails'))
    assert m.thumbnail == join('thumbnails', 'example%20video.tn.jpg')
    assert os.path.isfile(m.thumb_path)


@pytest.mark.parametrize("path,album", REF.items())
def test_album(path, album, settings, tmpdir):
    gal = Gallery(settings, ncpu=1)
    a = Album(path, settings, album['subdirs'], album['medias'], gal)

    assert a.title == album['title']
    assert a.name == album['name']
    assert a.subdirs == album['subdirs']
    assert a.thumbnail == album['thumbnail']
    if path == 'video':
        assert list(a.images) == []
        assert [m.dst_filename for m in a.medias] == \
            [album['medias'][0].replace('.ogv', '.webm')]
    else:
        assert list(a.videos) == []
        assert [m.dst_filename for m in a.medias] == album['medias']
    assert len(a) == len(album['medias'])


def test_albums_sort(settings):
    gal = Gallery(settings, ncpu=1)
    album = REF['dir1']
    subdirs = list(album['subdirs'])

    settings['albums_sort_reverse'] = False
    a = Album('dir1', settings, album['subdirs'], album['medias'], gal)
    a.sort_subdirs('')
    assert [alb.name for alb in a.albums] == subdirs

    settings['albums_sort_reverse'] = True
    a = Album('dir1', settings, album['subdirs'], album['medias'], gal)
    a.sort_subdirs('')
    assert [alb.name for alb in a.albums] == list(reversed(subdirs))

    titles = [im.title for im in a.albums]
    titles.sort()
    settings['albums_sort_reverse'] = False
    a = Album('dir1', settings, album['subdirs'], album['medias'], gal)
    a.sort_subdirs('title')
    assert [im.title for im in a.albums] == titles

    settings['albums_sort_reverse'] = True
    a = Album('dir1', settings, album['subdirs'], album['medias'], gal)
    a.sort_subdirs('title')
    assert [im.title for im in a.albums] == list(reversed(titles))

    orders = ['01', '02', '03']
    orders.sort()
    settings['albums_sort_reverse'] = False
    a = Album('dir1', settings, album['subdirs'], album['medias'], gal)
    a.sort_subdirs('meta.order')
    assert [d.meta['order'][0] for d in a.albums] == orders

    settings['albums_sort_reverse'] = True
    a = Album('dir1', settings, album['subdirs'], album['medias'], gal)
    a.sort_subdirs('meta.order')
    assert [d.meta['order'][0] for d in a.albums] == list(reversed(orders))


def test_medias_sort(settings):
    gal = Gallery(settings, ncpu=1)
    album = REF['dir1/test2']

    settings['medias_sort_reverse'] = True
    a = Album('dir1/test2', settings, album['subdirs'], album['medias'], gal)
    a.sort_medias(settings['medias_sort_attr'])
    assert [im.dst_filename for im in a.images] == list(reversed(album['medias']))

    settings['medias_sort_attr'] = 'date'
    settings['medias_sort_reverse'] = False
    a = Album('dir1/test2', settings, album['subdirs'], album['medias'], gal)
    a.sort_medias(settings['medias_sort_attr'])
    assert [im.dst_filename for im in a.images] == [
        '22.jpg', 'CMB_Timeline300_no_WMAP.jpg', '21.tiff']

    settings['medias_sort_attr'] = 'meta.order'
    settings['medias_sort_reverse'] = False
    a = Album('dir1/test2', settings, album['subdirs'], album['medias'], gal)
    a.sort_medias(settings['medias_sort_attr'])
    assert [im.dst_filename for im in a.images] == [
        '21.tiff', '22.jpg', 'CMB_Timeline300_no_WMAP.jpg']


def test_gallery(settings, tmpdir):
    "Test the Gallery class."

    with open(str(tmpdir.join('my.css')), mode='w') as f:
        f.write('color: red')

    settings['destination'] = str(tmpdir)
    settings['user_css'] = str(tmpdir.join('my.css'))
    settings['webm_options'] = ['-missing-option', 'foobar']

    gal = Gallery(settings, ncpu=1)
    gal.build()

    mycss = os.path.join(settings['destination'], 'static', 'my.css')
    assert os.path.isfile(mycss)

    out_html = os.path.join(settings['destination'], 'index.html')
    assert os.path.isfile(out_html)

    with open(out_html) as f:
        html = f.read()

    assert '<title>Sigal test gallery</title>' in html
    assert '<link rel="stylesheet" href="static/my.css">' in html

    logger = logging.getLogger('sigal')
    logger.setLevel(logging.DEBUG)
    try:
        gal = Gallery(settings, ncpu=1)
        with pytest.raises(SubprocessException):
            gal.build()
    finally:
        logger.setLevel(logging.INFO)


def test_empty_dirs(settings):
    gal = Gallery(settings, ncpu=1)
    assert 'empty' not in gal.albums
    assert 'dir1/empty' not in gal.albums


def test_ignores(settings, tmpdir):
    tmp = str(tmpdir)
    settings['destination'] = tmp
    settings['ignore_directories'] = ['*test2', 'accentué']
    settings['ignore_files'] = ['dir2/Hubble*', '*.png', '*CMB_*']
    gal = Gallery(settings, ncpu=1)
    gal.build()

    assert 'test2' not in os.listdir(join(tmp, 'dir1'))
    assert 'accentué' not in os.listdir(tmp)
    assert 'CMB_Timeline300_no_WMAP.jpg' not in os.listdir(
        join(tmp, 'dir1', 'test1'))
    assert 'Hubble Interacting Galaxy NGC 5257.jpg' not in os.listdir(
        join(tmp, 'dir2'))
