import pytest
from repo_cloner.lib.cred_helper import *
from repo_cloner.lib import cred_helper
import os
from unittest.mock import MagicMock, patch
from cloner_test_fixtures import path_repo_base, support_data_path
from git import Repo


def test_gen_gh_token_candidates(monkeypatch):
	with monkeypatch.context() as mp:
		mp.setenv("HOME", "/mocked/home")
		candidates = gen_gh_token_candidates()
		assert candidates[0].as_posix() == os.path.join(os.getcwd(), ".gh-token")
		assert candidates[1].as_posix() == "/mocked/home/.config/gh-token"
		assert candidates[2].as_posix() == "/etc/cloner-gh-token"
		assert len(candidates) == 3


def test_load_gh_token(tmp_path):
	# no token
	token_file = tmp_path.joinpath("gh-token")
	load_gh_token(token_file)
	assert cred_helper.token is None

	token_file.write_text("test-token\n")
	load_gh_token(token_file)
	assert cred_helper.token == "test-token"


def test_init_gh_token(tmp_path, monkeypatch, caplog):
	with patch("repo_cloner.lib.cred_helper.load_gh_token", autospec = True) as p:
		cred_helper.token = None
		init_gh_token()
		assert p.call_count == 3

	# "loaded" token
	with monkeypatch.context() as mp:
		mp.setattr(os, "getcwd", lambda: tmp_path.as_posix())
		tmp_path.joinpath(".gh-token").write_text("testtoken")
		caplog.set_level(0)
		init_gh_token()
		assert "Token succesfully loaded" in caplog.text


def test_config_try_override(tmp_path, path_repo_base, monkeypatch):
	tmp_path.joinpath("git").mkdir()
	with monkeypatch.context() as mp:
		mp.setenv("XDG_CONFIG_HOME", tmp_path.as_posix())
		r = Repo(path_repo_base)
		cfgw = r.config_writer("user")

		config_try_override(cfgw, "user", "name", "Mocker")
		assert cfgw.get("user", "name") == "Mocker"

		config_try_override(cfgw, "user", "name", "Loser")
		assert cfgw.get("user", "name") == "Loser"

	x = tmp_path.joinpath("git", "config")
	assert x.is_file()
	x = x.read_text()
	assert x == "[user]\n	name = Loser\n"


def test_prepare_git_auth(tmp_path, path_repo_base, monkeypatch):
	tmp_path.joinpath("git").mkdir()
	cred_helper.token = None

	with monkeypatch.context() as mp:
		mp.setenv("XDG_CONFIG_HOME", tmp_path.as_posix())

		prepare_git_auth(path_repo_base.as_posix(), tmp_path.as_posix())

	x = tmp_path.joinpath("git", "config")
	assert x.exists()
	config = x.read_text()
	assert config == \
		   f"[credential]\n" \
		   f"	helper = store --file={tmp_path.as_posix()}/git/git-credentials\n" \
		   "[core]\n" \
		   f"	sshcommand = ssh -i {tmp_path.as_posix()}/ssh/identity -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -o BatchMode=yes -q\n"


def test_prepare_git_auth_token(tmp_path, path_repo_base, monkeypatch):
	# tmp_path.joinpath("git").mkdir()

	with monkeypatch.context() as mp:
		mp.setenv("XDG_CONFIG_HOME", tmp_path.as_posix())
		cred_helper.token = "token123"

		prepare_git_auth(path_repo_base.as_posix(), tmp_path.as_posix())

	x = tmp_path.joinpath("git", "config")
	assert x.exists()
	config = x.read_text()
	assert config == \
		   "[url \"https://token123:x-oauth-basic@github.com/\"]\n" \
		   "	insteadOf = https://github.com/\n" \
		   f"[credential]\n" \
		   f"	helper = store --file={tmp_path.as_posix()}/git/git-credentials\n" \
		   "[core]\n" \
		   f"	sshcommand = ssh -i {tmp_path.as_posix()}/ssh/identity -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -o BatchMode=yes -q\n"