import inspect
import os

import pytest

from sanic.blueprints import Blueprint


@pytest.fixture(scope='module')
def static_file_directory():
    """The static directory to serve"""
    current_file = inspect.getfile(inspect.currentframe())
    current_directory = os.path.dirname(os.path.abspath(current_file))
    static_directory = os.path.join(current_directory, 'static')
    return static_directory


def get_file_path(static_file_directory, file_name):
    return os.path.join(static_file_directory, file_name)


def get_file_content(static_file_directory, file_name):
    """The content of the static file to check"""
    with open(get_file_path(static_file_directory, file_name), 'rb') as file:
        return file.read()


@pytest.mark.parametrize('file_name',
                         ['test.file', 'decode me.txt', 'python.png'])
def test_static_file(app, static_file_directory, file_name):
    app.static(
        '/testing.file', get_file_path(static_file_directory, file_name))
    app.static(
        '/testing2.file', get_file_path(static_file_directory, file_name),
        name='testing_file')

    uri = app.url_for('static')
    uri2 = app.url_for('static', filename='any')
    uri3 = app.url_for('static', name='static', filename='any')

    assert uri == '/testing.file'
    assert uri == uri2
    assert uri2 == uri3

    request, response = app.test_client.get(uri)
    assert response.status == 200
    assert response.body == get_file_content(static_file_directory, file_name)

    bp = Blueprint('test_bp_static', url_prefix='/bp')

    bp.static('/testing.file', get_file_path(static_file_directory, file_name))
    bp.static('/testing2.file',
              get_file_path(static_file_directory, file_name),
              name='testing_file')

    app.blueprint(bp)

    uri = app.url_for('static', name='test_bp_static.static')
    uri2 = app.url_for('static', name='test_bp_static.static', filename='any')
    uri3 = app.url_for('test_bp_static.static')
    uri4 = app.url_for('test_bp_static.static', name='any')
    uri5 = app.url_for('test_bp_static.static', filename='any')
    uri6 = app.url_for('test_bp_static.static', name='any', filename='any')

    assert uri == '/bp/testing.file'
    assert uri == uri2
    assert uri2 == uri3
    assert uri3 == uri4
    assert uri4 == uri5
    assert uri5 == uri6

    request, response = app.test_client.get(uri)
    assert response.status == 200
    assert response.body == get_file_content(static_file_directory, file_name)

    # test for other parameters
    uri = app.url_for('static', _external=True, _server='http://localhost')
    assert uri == 'http://localhost/testing.file'

    uri = app.url_for('static', name='test_bp_static.static',
                      _external=True, _server='http://localhost')
    assert uri == 'http://localhost/bp/testing.file'

    # test for defined name
    uri = app.url_for('static', name='testing_file')
    assert uri == '/testing2.file'

    request, response = app.test_client.get(uri)
    assert response.status == 200
    assert response.body == get_file_content(static_file_directory, file_name)

    uri = app.url_for('static', name='test_bp_static.testing_file')
    assert uri == '/bp/testing2.file'
    assert uri == app.url_for('static', name='test_bp_static.testing_file',
                              filename='any')

    request, response = app.test_client.get(uri)
    assert response.status == 200
    assert response.body == get_file_content(static_file_directory, file_name)


@pytest.mark.parametrize('file_name', ['test.file', 'decode me.txt'])
@pytest.mark.parametrize('base_uri', ['/static', '', '/dir'])
def test_static_directory(app, file_name, base_uri, static_file_directory):
    app.static(base_uri, static_file_directory)
    base_uri2 = base_uri + '/2'
    app.static(base_uri2, static_file_directory, name='uploads')

    uri = app.url_for('static', name='static', filename=file_name)
    assert uri == '{}/{}'.format(base_uri, file_name)

    request, response = app.test_client.get(uri)
    assert response.status == 200
    assert response.body == get_file_content(static_file_directory, file_name)

    uri2 = app.url_for('static', name='static', filename='/' + file_name)
    uri3 = app.url_for('static', filename=file_name)
    uri4 = app.url_for('static', filename='/' + file_name)
    uri5 = app.url_for('static', name='uploads', filename=file_name)
    uri6 = app.url_for('static', name='uploads', filename='/' + file_name)

    assert uri == uri2
    assert uri2 == uri3
    assert uri3 == uri4

    assert uri5 == '{}/{}'.format(base_uri2, file_name)
    assert uri5 == uri6

    bp = Blueprint('test_bp_static', url_prefix='/bp')

    bp.static(base_uri, static_file_directory)
    bp.static(base_uri2, static_file_directory, name='uploads')
    app.blueprint(bp)

    uri = app.url_for('static', name='test_bp_static.static',
                      filename=file_name)
    uri2 = app.url_for('static', name='test_bp_static.static',
                       filename='/' + file_name)

    uri4 = app.url_for('static', name='test_bp_static.uploads',
                       filename=file_name)
    uri5 = app.url_for('static', name='test_bp_static.uploads',
                       filename='/' + file_name)

    assert uri == '/bp{}/{}'.format(base_uri, file_name)
    assert uri == uri2

    assert uri4 == '/bp{}/{}'.format(base_uri2, file_name)
    assert uri4 == uri5

    request, response = app.test_client.get(uri)
    assert response.status == 200
    assert response.body == get_file_content(static_file_directory, file_name)


@pytest.mark.parametrize('file_name', ['test.file', 'decode me.txt'])
def test_static_head_request(app, file_name, static_file_directory):
    app.static(
        '/testing.file', get_file_path(static_file_directory, file_name),
        use_content_range=True)

    bp = Blueprint('test_bp_static', url_prefix='/bp')
    bp.static('/testing.file', get_file_path(static_file_directory, file_name),
              use_content_range=True)
    app.blueprint(bp)

    uri = app.url_for('static')
    assert uri == '/testing.file'
    assert uri == app.url_for('static', name='static')
    assert uri == app.url_for('static', name='static', filename='any')

    request, response = app.test_client.head(uri)
    assert response.status == 200
    assert 'Accept-Ranges' in response.headers
    assert 'Content-Length' in response.headers
    assert int(response.headers[
               'Content-Length']) == len(
                   get_file_content(static_file_directory, file_name))

    # blueprint
    uri = app.url_for('static', name='test_bp_static.static')
    assert uri == '/bp/testing.file'
    assert uri == app.url_for('static', name='test_bp_static.static',
                              filename='any')

    request, response = app.test_client.head(uri)
    assert response.status == 200
    assert 'Accept-Ranges' in response.headers
    assert 'Content-Length' in response.headers
    assert int(response.headers[
               'Content-Length']) == len(
                   get_file_content(static_file_directory, file_name))


@pytest.mark.parametrize('file_name', ['test.file', 'decode me.txt'])
def test_static_content_range_correct(app, file_name, static_file_directory):
    app.static(
        '/testing.file', get_file_path(static_file_directory, file_name),
        use_content_range=True)

    bp = Blueprint('test_bp_static', url_prefix='/bp')
    bp.static('/testing.file', get_file_path(static_file_directory, file_name),
              use_content_range=True)
    app.blueprint(bp)

    headers = {
        'Range': 'bytes=12-19'
    }
    uri = app.url_for('static')
    assert uri == '/testing.file'
    assert uri == app.url_for('static', name='static')
    assert uri == app.url_for('static', name='static', filename='any')

    request, response = app.test_client.get(uri, headers=headers)
    assert response.status == 206
    assert 'Content-Length' in response.headers
    assert 'Content-Range' in response.headers
    static_content = bytes(get_file_content(
        static_file_directory, file_name))[12:20]
    assert int(response.headers[
               'Content-Length']) == len(static_content)
    assert response.body == static_content

    # blueprint
    uri = app.url_for('static', name='test_bp_static.static')
    assert uri == '/bp/testing.file'
    assert uri == app.url_for('static', name='test_bp_static.static',
                              filename='any')
    assert uri == app.url_for('test_bp_static.static')
    assert uri == app.url_for('test_bp_static.static', name='any')
    assert uri == app.url_for('test_bp_static.static', filename='any')
    assert uri == app.url_for('test_bp_static.static', name='any',
                              filename='any')

    request, response = app.test_client.get(uri, headers=headers)
    assert response.status == 206
    assert 'Content-Length' in response.headers
    assert 'Content-Range' in response.headers
    static_content = bytes(get_file_content(
        static_file_directory, file_name))[12:20]
    assert int(response.headers[
               'Content-Length']) == len(static_content)
    assert response.body == static_content


@pytest.mark.parametrize('file_name', ['test.file', 'decode me.txt'])
def test_static_content_range_front(app, file_name, static_file_directory):
    app.static(
        '/testing.file', get_file_path(static_file_directory, file_name),
        use_content_range=True)

    bp = Blueprint('test_bp_static', url_prefix='/bp')
    bp.static('/testing.file', get_file_path(static_file_directory, file_name),
              use_content_range=True)
    app.blueprint(bp)

    headers = {
        'Range': 'bytes=12-'
    }
    uri = app.url_for('static')
    assert uri == '/testing.file'
    assert uri == app.url_for('static', name='static')
    assert uri == app.url_for('static', name='static', filename='any')

    request, response = app.test_client.get(uri, headers=headers)
    assert response.status == 206
    assert 'Content-Length' in response.headers
    assert 'Content-Range' in response.headers
    static_content = bytes(get_file_content(
        static_file_directory, file_name))[12:]
    assert int(response.headers[
               'Content-Length']) == len(static_content)
    assert response.body == static_content

    # blueprint
    uri = app.url_for('static', name='test_bp_static.static')
    assert uri == '/bp/testing.file'
    assert uri == app.url_for('static', name='test_bp_static.static',
                              filename='any')
    assert uri == app.url_for('test_bp_static.static')
    assert uri == app.url_for('test_bp_static.static', name='any')
    assert uri == app.url_for('test_bp_static.static', filename='any')
    assert uri == app.url_for('test_bp_static.static', name='any',
                              filename='any')

    request, response = app.test_client.get(uri, headers=headers)
    assert response.status == 206
    assert 'Content-Length' in response.headers
    assert 'Content-Range' in response.headers
    static_content = bytes(get_file_content(
        static_file_directory, file_name))[12:]
    assert int(response.headers[
               'Content-Length']) == len(static_content)
    assert response.body == static_content


@pytest.mark.parametrize('file_name', ['test.file', 'decode me.txt'])
def test_static_content_range_back(app, file_name, static_file_directory):
    app.static(
        '/testing.file', get_file_path(static_file_directory, file_name),
        use_content_range=True)

    bp = Blueprint('test_bp_static', url_prefix='/bp')
    bp.static('/testing.file', get_file_path(static_file_directory, file_name),
              use_content_range=True)
    app.blueprint(bp)

    headers = {
        'Range': 'bytes=-12'
    }
    uri = app.url_for('static')
    assert uri == '/testing.file'
    assert uri == app.url_for('static', name='static')
    assert uri == app.url_for('static', name='static', filename='any')

    request, response = app.test_client.get(uri, headers=headers)
    assert response.status == 206
    assert 'Content-Length' in response.headers
    assert 'Content-Range' in response.headers
    static_content = bytes(get_file_content(
        static_file_directory, file_name))[-12:]
    assert int(response.headers[
               'Content-Length']) == len(static_content)
    assert response.body == static_content

    # blueprint
    uri = app.url_for('static', name='test_bp_static.static')
    assert uri == '/bp/testing.file'
    assert uri == app.url_for('static', name='test_bp_static.static',
                              filename='any')
    assert uri == app.url_for('test_bp_static.static')
    assert uri == app.url_for('test_bp_static.static', name='any')
    assert uri == app.url_for('test_bp_static.static', filename='any')
    assert uri == app.url_for('test_bp_static.static', name='any',
                              filename='any')

    request, response = app.test_client.get(uri, headers=headers)
    assert response.status == 206
    assert 'Content-Length' in response.headers
    assert 'Content-Range' in response.headers
    static_content = bytes(get_file_content(
        static_file_directory, file_name))[-12:]
    assert int(response.headers[
               'Content-Length']) == len(static_content)
    assert response.body == static_content


@pytest.mark.parametrize('file_name', ['test.file', 'decode me.txt'])
def test_static_content_range_empty(app, file_name, static_file_directory):
    app.static(
        '/testing.file', get_file_path(static_file_directory, file_name),
        use_content_range=True)

    bp = Blueprint('test_bp_static', url_prefix='/bp')
    bp.static('/testing.file', get_file_path(static_file_directory, file_name),
              use_content_range=True)
    app.blueprint(bp)

    uri = app.url_for('static')
    assert uri == '/testing.file'
    assert uri == app.url_for('static', name='static')
    assert uri == app.url_for('static', name='static', filename='any')

    request, response = app.test_client.get(uri)
    assert response.status == 200
    assert 'Content-Length' in response.headers
    assert 'Content-Range' not in response.headers
    assert int(response.headers['Content-Length']) == \
        len(get_file_content(static_file_directory, file_name))
    assert response.body == bytes(
        get_file_content(static_file_directory, file_name))

    # blueprint
    uri = app.url_for('static', name='test_bp_static.static')
    assert uri == '/bp/testing.file'
    assert uri == app.url_for('static', name='test_bp_static.static',
                              filename='any')
    assert uri == app.url_for('test_bp_static.static')
    assert uri == app.url_for('test_bp_static.static', name='any')
    assert uri == app.url_for('test_bp_static.static', filename='any')
    assert uri == app.url_for('test_bp_static.static', name='any',
                              filename='any')

    request, response = app.test_client.get(uri)
    assert response.status == 200
    assert 'Content-Length' in response.headers
    assert 'Content-Range' not in response.headers
    assert int(response.headers['Content-Length']) == \
        len(get_file_content(static_file_directory, file_name))
    assert response.body == bytes(
        get_file_content(static_file_directory, file_name))


@pytest.mark.parametrize('file_name', ['test.file', 'decode me.txt'])
def test_static_content_range_error(app, file_name, static_file_directory):
    app.static(
        '/testing.file', get_file_path(static_file_directory, file_name),
        use_content_range=True)

    bp = Blueprint('test_bp_static', url_prefix='/bp')
    bp.static('/testing.file', get_file_path(static_file_directory, file_name),
              use_content_range=True)
    app.blueprint(bp)

    headers = {
        'Range': 'bytes=1-0'
    }
    uri = app.url_for('static')
    assert uri == '/testing.file'
    assert uri == app.url_for('static', name='static')
    assert uri == app.url_for('static', name='static', filename='any')

    request, response = app.test_client.get(uri, headers=headers)
    assert response.status == 416
    assert 'Content-Length' in response.headers
    assert 'Content-Range' in response.headers
    assert response.headers['Content-Range'] == "bytes */%s" % (
        len(get_file_content(static_file_directory, file_name)),)

    # blueprint
    uri = app.url_for('static', name='test_bp_static.static')
    assert uri == '/bp/testing.file'
    assert uri == app.url_for('static', name='test_bp_static.static',
                              filename='any')
    assert uri == app.url_for('test_bp_static.static')
    assert uri == app.url_for('test_bp_static.static', name='any')
    assert uri == app.url_for('test_bp_static.static', filename='any')
    assert uri == app.url_for('test_bp_static.static', name='any',
                              filename='any')

    request, response = app.test_client.get(uri, headers=headers)
    assert response.status == 416
    assert 'Content-Length' in response.headers
    assert 'Content-Range' in response.headers
    assert response.headers['Content-Range'] == "bytes */%s" % (
        len(get_file_content(static_file_directory, file_name)),)