import xml.dom.expatbuilder

from repo_cloner.lib.repo_dir_structure import RepoDirStructure
from repo_cloner.lib.dir_not_found_error import DirNotFoundError
from repo_cloner.lib.config_file_not_found_error import ConfigFileNotFoundError
from pathlib import PosixPath
import pytest


def test_init():
	X = RepoDirStructure("/tmp")
	assert X._base_dir == "/tmp"
	assert X._conf_dir == "/tmp/config"
	assert X._repos_dir == "/tmp/repos"
	assert X._cache_dir == "/tmp/cache"


def test_config_filename():
	X = RepoDirStructure("/tmp")
	assert X._RepoDirStructure__config_filename == "/tmp/config/cloner.cfg"


def test_no_base_dir(tmp_path: PosixPath):
	x = tmp_path.joinpath("nonexistent")
	X = RepoDirStructure(x)
	with pytest.raises(DirNotFoundError) as excinfo:
		X.base_dir_exists
	assert "DirNotFoundError: Directory does not exist / is not a dir: " in excinfo.exconly()
	assert excinfo.exconly().endswith("/nonexistent")


def test_no_config(tmp_path: PosixPath):
	X = RepoDirStructure(tmp_path)
	with pytest.raises(DirNotFoundError) as excinfo:
		X.conf_dir_exists
	assert "DirNotFoundError: Directory does not exist / is not a dir: " in excinfo.exconly()
	assert excinfo.exconly().endswith("/config")


def test_no_cache(tmp_path: PosixPath):
	tmp_path.joinpath("config").mkdir()
	X = RepoDirStructure(tmp_path)
	with pytest.raises(DirNotFoundError) as excinfo:
		X.cache_dir_exists
	assert "DirNotFoundError: Directory does not exist / is not a dir: " in excinfo.exconly()
	assert excinfo.exconly().endswith("/cache")


def test_no_repos(tmp_path: PosixPath):
	tmp_path.joinpath("config").mkdir()
	tmp_path.joinpath("cache").mkdir()
	X = RepoDirStructure(tmp_path)
	with pytest.raises(DirNotFoundError) as excinfo:
		X.repos_dir_exists
	assert "DirNotFoundError: Directory does not exist / is not a dir: " in excinfo.exconly()
	assert excinfo.exconly().endswith("/repos")


def test_dirs_exist_okay(tmp_path: PosixPath):
	tmp_path.joinpath("config").mkdir()
	tmp_path.joinpath("cache").mkdir()
	tmp_path.joinpath("repos").mkdir()

	X = RepoDirStructure(tmp_path)
	assert X.base_dir_exists
	assert X.conf_dir_exists
	assert X.cache_dir_exists
	assert X.repos_dir_exists
	assert X.dirs_exist


def test_base_dir():
	X = RepoDirStructure("/a/b")
	assert X.base_dir == "/a/b"


def test_cache_dir():
	X = RepoDirStructure("/a/b")
	assert X.cache_dir == "/a/b/cache"


def test_config_dir():
	X = RepoDirStructure("/a/b")
	assert X.conf_dir == "/a/b/config"


def test_repos_dir():
	X = RepoDirStructure("/a/c")
	assert X.repos_dir == "/a/c/repos"


def test_has_config(tmp_path: PosixPath):
	tmp_path.joinpath("config").mkdir()
	tmp_path.joinpath("cache").mkdir()
	tmp_path.joinpath("repos").mkdir()

	X = RepoDirStructure(tmp_path)
	with pytest.raises(ConfigFileNotFoundError) as excinfo:
		X.has_config
	assert "Config file does not exist: " in excinfo.exconly()
	assert "config/cloner.cfg" in excinfo.exconly()

	tmp_path.joinpath("config", "cloner.cfg").touch()
	assert X.has_config


def test_config_file(tmp_path: PosixPath):
	X = RepoDirStructure(tmp_path)
	assert X.config_file == tmp_path.joinpath("config", "cloner.cfg").__str__()


def test_get_config(tmp_path: PosixPath):
	tmp_path.joinpath("config").mkdir()
	tmp_path.joinpath("cache").mkdir()
	tmp_path.joinpath("repos").mkdir()

	X = RepoDirStructure(tmp_path)
	# no file provided
	with pytest.raises(ConfigFileNotFoundError) as excinfo:
		X.config

	# create config file
	tmp_path.joinpath("config", "cloner.cfg").touch()
	X = RepoDirStructure(tmp_path)
	assert X.has_config == True
	assert 0 == X.config.cloner_interval