from shutil import rmtree, copyfile, copytree
from os import getcwd, makedirs
from os.path import isfile, join, isdir
from pytest import fixture, raises
from os import listdir
from json import load

from rougail import RougailUpgrade, RougailConfig
from rougail.error import DictConsistencyError



dico_dirs = 'tests/dictionaries_old'
dest_dir = 'tests/tmp'


test_ok = set()

for test in listdir(dico_dirs):
    if isdir(join(dico_dirs, test)):
        test_ok.add(test)

excludes = set([])
#excludes = set(['01base_file_utfchar'])
test_ok -= excludes
#test_ok = ['00load_autofreeze']
#test_ok = []

ORI_DIR = getcwd()

debug = False
#debug = True

test_ok = list(test_ok)
test_ok.sort()
if isdir(dest_dir):
    rmtree(dest_dir)
makedirs(dest_dir)
copyfile(join(dico_dirs, '__init__.py'), join(dest_dir, '__init__.py'))
#RougailConfig['variable_namespace'] = 'configuration'


@fixture(scope="module", params=test_ok)
def test_dir(request):
    return request.param


def launch_test(test_dir):
    new_dest_dir = join(dest_dir, test_dir.rsplit('/', 1)[1])
    makedirs(new_dest_dir)
    upgrade = RougailUpgrade()
    try:
        upgrade.load_xml_from_folders(test_dir, new_dest_dir, RougailConfig['variable_namespace'], display=False)
    except Exception as err:
        # import traceback
        # traceback.print_exc()
        print(f'cannot convert {test_dir}: {err}')
        rmtree(new_dest_dir)
        copytree(test_dir, new_dest_dir)
        return
    subfolder = join(test_dir, 'subfolder')
    if isdir(subfolder):
        makedirs(join(new_dest_dir, 'subfolder'))
        upgrade.load_xml_from_folders(subfolder, join(new_dest_dir, 'subfolder'), RougailConfig['variable_namespace'], display=False)
    if isdir(join(test_dir, 'extra_dirs')):
        extras = listdir(join(test_dir, 'extra_dirs'))
        extras.sort()
        for extra in extras:
            subfolder = join(test_dir, 'extra_dirs', extra)
            if isdir(subfolder):
                makedirs(join(new_dest_dir, 'extra_dirs', extra))
                upgrade.load_xml_from_folders(subfolder, join(new_dest_dir, 'extra_dirs', extra), extra, display=False)
    # copy others files
    for filename in listdir(test_dir):
        src_filename = join(test_dir, filename)
        dst_filename = join(new_dest_dir, filename)
        if filename.startswith('errno_') or filename in ['__init__.py']:
            copyfile(src_filename, dst_filename)
        elif filename in ['tmpl', 'makedict', 'tiramisu', 'result', 'patches']:
            copytree(src_filename, dst_filename, symlinks=True)


def test_dictionary(test_dir):
    assert getcwd() == ORI_DIR
    test_dir = join(dico_dirs, test_dir)
    launch_test(test_dir)
    assert getcwd() == ORI_DIR