"""Prepare pytest."""

import asyncio
import os
from base64 import b64encode

import pytest

from asyncprawcore import Requestor, TrustedAuthenticator, UntrustedAuthenticator


@pytest.fixture(autouse=True)
def patch_sleep(monkeypatch):
    """Auto patch sleep to speed up tests."""

    async def _sleep(*_, **__):
        """Dud sleep function."""

    monkeypatch.setattr(asyncio, "sleep", value=_sleep)


@pytest.fixture
async def requestor():
    """Return path to image."""
    _requestor = Requestor("asyncprawcore:test (by u/Lil_SpazJoekp)")
    _requestor.headers = {"Accept-Encoding": "identity", **_requestor.headers}
    yield _requestor
    await _requestor.close()


@pytest.fixture
def trusted_authenticator(requestor):
    """Return a TrustedAuthenticator instance."""
    return TrustedAuthenticator(
        requestor,
        pytest.placeholders.client_id,
        pytest.placeholders.client_secret,
    )


@pytest.fixture
def untrusted_authenticator(requestor):
    """Return an UntrustedAuthenticator instance."""
    return UntrustedAuthenticator(requestor, pytest.placeholders.client_id)


def env_default(key):
    """Return environment variable or placeholder string."""
    return os.environ.get(
        f"PRAWCORE_{key.upper()}",
        "http://localhost:8080" if key == "redirect_uri" else f"fake_{key}",
    )


def pytest_configure(config):
    pytest.placeholders = Placeholders(placeholders)
    config.addinivalue_line("markers", "cassette_name: Name of cassette to use for test.")
    config.addinivalue_line("markers", "recorder_kwargs: Arguments to pass to the recorder.")


class Placeholders:
    def __init__(self, _dict):
        self.__dict__ = _dict


placeholders = {
    x: env_default(x)
    for x in [
        "client_id",
        "client_secret",
        "password",
        "permanent_grant_code",
        "temporary_grant_code",
        "redirect_uri",
        "refresh_token",
        "user_agent",
        "username",
    ]
}

if (
    placeholders["client_id"] != "fake_client_id" and placeholders["client_secret"] == "fake_client_secret"
):  # pragma: no cover
    placeholders["basic_auth"] = b64encode(f"{placeholders['client_id']}:".encode()).decode("utf-8")
else:
    placeholders["basic_auth"] = b64encode(
        f"{placeholders['client_id']}:{placeholders['client_secret']}".encode()
    ).decode("utf-8")