import shutil
import tempfile
from typing import Dict, List
from pathlib import Path
from dataclasses import dataclass

import pytest


@dataclass
class StubCall:
    func: str
    args: List
    kargs: Dict


class StubShell:

    STDOUT = "STDOUT"

    def __init__(self):
        self.stack = []

    def _add(self, func, args, kargs):
        sc = StubCall(func, args, kargs)
        self.stack.append(sc)

    def check_call(self, args, **kargs):
        self._add("check_call", args, kargs)


@pytest.fixture
def stub_handler():
    return StubShell()


def temporary_data_file(src_data_dir, file_name):
    source = src_data_dir / file_name
    with tempfile.TemporaryDirectory() as tmpdirname:
        destination = Path(tmpdirname) / file_name
        shutil.copy(source, destination)
        yield destination


@pytest.fixture
def example_data_dir():
    this_file = Path(__file__).absolute()
    src_dir = this_file.parent.parent
    return src_dir / "test-data"


@pytest.fixture
def example_authz(example_data_dir):
    yield from temporary_data_file(example_data_dir, "authz")


@pytest.fixture
def example_htpasswd(example_data_dir):
    yield from temporary_data_file(example_data_dir, "htpasswd")


@pytest.fixture
def example_empty_file():
    with tempfile.TemporaryDirectory() as tmpdirname:
        destination = Path(tmpdirname) / "empty"
        yield destination