"""
Test configuration and fixtures for HXBooks.

Provides isolated test database, Flask app instances, and CLI testing utilities.
"""

import tempfile
from pathlib import Path
from typing import Generator

import pytest
from click.testing import CliRunner
from flask import Flask
from flask.testing import FlaskClient

from hxbooks import cli, create_app
from hxbooks.db import db
from hxbooks.models import User


@pytest.fixture
def app(tmp_path: Path, monkeypatch: pytest.MonkeyPatch) -> Flask:
    """Create Flask app with test configuration."""
    test_db_path = tmp_path / "test.db"
    test_config = {
        "TESTING": True,
        "SQLALCHEMY_DATABASE_URI": f"sqlite:///{test_db_path}",
        "SECRET_KEY": "test-secret-key",
        "WTF_CSRF_ENABLED": False,
    }

    app = create_app(test_config)

    with app.app_context():
        db.create_all()

    monkeypatch.setattr(cli, "get_app", lambda: app)
    return app


@pytest.fixture
def client(app: Flask) -> FlaskClient:
    """Create test client for Flask app."""
    return app.test_client()


@pytest.fixture
def cli_runner() -> CliRunner:
    """Create Click CLI test runner."""
    return CliRunner()


@pytest.fixture
def test_user(app: Flask) -> User:
    """Create a test user in the database."""
    with app.app_context():
        user = User(username="testuser")
        db.session.add(user)
        db.session.commit()

        # Refresh to get the ID
        db.session.refresh(user)
        return user


@pytest.fixture
def db_session(app: Flask):
    """Create database session for direct database testing."""
    with app.app_context():
        yield db.session