#!/usr/bin/env python3
# coding=utf-8

from unittest.mock import Mock

import pytest

from bulkredditdownloader.exceptions import SiteDownloaderError
from bulkredditdownloader.resource import Resource
from bulkredditdownloader.site_downloaders.imgur import Imgur


@pytest.mark.online
@pytest.mark.parametrize(('test_url', 'expected_gen_dict', 'expected_image_dict'), (
    ('https://imgur.com/a/xWZsDDP',
     {'num_images': '1', 'id': 'xWZsDDP', 'hash': 'xWZsDDP'},
     [{'hash': 'ypa8YfS', 'title': '', 'ext': '.png', 'animated': False}]),
    ('https://imgur.com/gallery/IjJJdlC',
     {'num_images': 1, 'id': 384898055, 'hash': 'IjJJdlC'},
     [{'hash': 'CbbScDt', 'description': 'watch when he gets it', 'ext': '.gif', 'animated': True, 'has_sound': False}],
     ),
    ('https://imgur.com/a/dcc84Gt',
     {'num_images': '4', 'id': 'dcc84Gt', 'hash': 'dcc84Gt'},
     [
         {'hash': 'ylx0Kle', 'ext': '.jpg', 'title': ''},
         {'hash': 'TdYfKbK', 'ext': '.jpg', 'title': ''},
         {'hash': 'pCxGbe8', 'ext': '.jpg', 'title': ''},
         {'hash': 'TSAkikk', 'ext': '.jpg', 'title': ''},
     ]),
))
def test_get_data(test_url: str, expected_gen_dict: dict, expected_image_dict: list[dict]):
    result = Imgur._get_data(test_url)
    assert all([result.get(key) == expected_gen_dict[key] for key in expected_gen_dict.keys()])

    # Check if all the keys from the test dict are correct in at least one of the album entries
    assert any([all([image.get(key) == image_dict[key] for key in image_dict.keys()])
                for image_dict in expected_image_dict for image in result['album_images']['images']])


@pytest.mark.parametrize('test_extension',
                         ('.gif', '.png', '.jpg', '.mp4')
                         )
def test_imgur_extension_validation_good(test_extension: str):
    result = Imgur._validate_extension(test_extension)
    assert result == test_extension


@pytest.mark.parametrize('test_extension',
                         ('.jpeg', '.avi', 'bad', '.test', '.flac')
                         )
def test_imgur_extension_validation_bad(test_extension: str):
    with pytest.raises(SiteDownloaderError):
        Imgur._validate_extension(test_extension)


@pytest.mark.online
@pytest.mark.parametrize(('test_url', 'expected_hashes'), (
    ('https://imgur.com/a/xWZsDDP', ('f551d6e6b0fef2ce909767338612e31b',)),
    ('https://imgur.com/gallery/IjJJdlC', ('7227d4312a9779b74302724a0cfa9081',)),
    ('https://imgur.com/a/dcc84Gt',
     ('cf1158e1de5c3c8993461383b96610cf',
      '28d6b791a2daef8aa363bf5a3198535d',
      '248ef8f2a6d03eeb2a80d0123dbaf9b6',
      '029c475ce01b58fdf1269d8771d33913')),
))
def test_find_resources(test_url: str, expected_hashes: list[str]):
    mock_download = Mock()
    mock_download.url = test_url
    downloader = Imgur(mock_download)
    results = downloader.find_resources()
    assert all([isinstance(res, Resource) for res in results])
    [res.download() for res in results]
    hashes = set([res.hash.hexdigest() for res in results])
    assert len(results) == len(expected_hashes)
    assert hashes == set(expected_hashes)