"""
Pytest fixtures for SwingMusic backend tests.
"""
import os
import pytest
import tempfile
import shutil
from pathlib import Path
from unittest.mock import patch, MagicMock


@pytest.fixture(scope="session")
def test_data_dir():
    """Create a temporary directory for test data."""
    dir_path = tempfile.mkdtemp(prefix="swingmusic_test_")
    yield Path(dir_path)
    shutil.rmtree(dir_path, ignore_errors=True)


@pytest.fixture(scope="session")
def test_config_dir(test_data_dir):
    """Create a test configuration directory."""
    config_dir = test_data_dir / "config"
    config_dir.mkdir(exist_ok=True)
    return config_dir


@pytest.fixture(scope="session")
def test_music_dir(test_data_dir):
    """Create a test music library directory with sample structure."""
    music_dir = test_data_dir / "music"
    music_dir.mkdir(exist_ok=True)
    
    # Create sample artist/album structure
    artist_dir = music_dir / "Test Artist"
    artist_dir.mkdir(exist_ok=True)
    
    album_dir = artist_dir / "Test Album"
    album_dir.mkdir(exist_ok=True)
    
    # Create a dummy audio file (empty for testing)
    (album_dir / "01 Test Track.mp3").touch()
    
    return music_dir


@pytest.fixture
def mock_env(test_data_dir, test_config_dir, test_music_dir):
    """Set up test environment variables."""
    env_vars = {
        "SWINGMUSIC_CONFIG_DIR": str(test_config_dir),
        "SWINGMUSIC_MUSIC_DIR": str(test_music_dir),
        "SWINGMUSIC_SECRET_KEY": "test-secret-key-for-integration-tests",
        "SWINGMUSIC_JWT_SECRET": "test-jwt-secret-for-integration-tests",
        "SWINGMUSIC_PAIR_CODE_TTL_SECONDS": "60",
        "SWINGMUSIC_PAIR_CODE_MAX_ACTIVE": "10",
    }
    
    with patch.dict(os.environ, env_vars, clear=False):
        yield env_vars


@pytest.fixture
def app(mock_env):
    """Create a test Flask application."""
    # Import here to avoid circular imports and ensure env is set first
    from swingmusic.app_builder import build
    
    test_app = build()
    test_app.config.update({
        "TESTING": True,
        "JWT_ACCESS_TOKEN_EXPIRES": 3600,
        "JWT_REFRESH_TOKEN_EXPIRES": 86400,
    })
    
    yield test_app


@pytest.fixture
def client(app):
    """Create a test client for the Flask application."""
    return app.test_client()


@pytest.fixture
def runner(app):
    """Create a test CLI runner for the Flask application."""
    return app.test_cli_runner()


@pytest.fixture
def db_session(app):
    """Create a test database session."""
    from swingmusic.db.userdata import UserTable
    from swingmusic.db.production import get_engine
    
    engine = get_engine()
    
    yield engine
    
    # Cleanup after each test
    engine.dispose()


@pytest.fixture
def test_user_data():
    """Sample user data for testing."""
    return {
        "username": "testuser",
        "password": "testpassword123",
        "email": "test@example.com",
    }


@pytest.fixture
def admin_user_data():
    """Sample admin user data for testing."""
    return {
        "username": "adminuser",
        "password": "adminpassword123",
        "email": "admin@example.com",
        "roles": ["admin", "user"],
    }


@pytest.fixture
def auth_headers(client, test_user_data):
    """Get authentication headers for a test user."""
    # First, bootstrap the owner if no users exist
    response = client.get("/auth/bootstrap/status")
    status = response.get_json()
    
    if not status.get("setup_completed"):
        # Bootstrap owner
        client.post("/auth/bootstrap/owner", json={
            "username": "owner",
            "password": "ownerpassword123",
            "root_dirs": [],
        })
    
    # Create a test user via invite
    response = client.post("/auth/login", json={
        "username": "owner",
        "password": "ownerpassword123",
    })
    owner_token = response.get_json().get("accesstoken")
    
    # Create invite
    invite_response = client.post(
        "/auth/invite/create",
        json={"roles": ["user"]},
        headers={"Authorization": f"Bearer {owner_token}"},
    )
    invite_token = invite_response.get_json().get("token")
    
    # Accept invite with test user
    client.post("/auth/invite/accept", json={
        "token": invite_token,
        "username": test_user_data["username"],
        "password": test_user_data["password"],
    })
    
    # Login as test user
    response = client.post("/auth/login", json={
        "username": test_user_data["username"],
        "password": test_user_data["password"],
    })
    
    token = response.get_json().get("accesstoken")
    return {"Authorization": f"Bearer {token}"}


@pytest.fixture
def admin_auth_headers(client, admin_user_data):
    """Get authentication headers for an admin user."""
    # Similar to auth_headers but with admin role
    response = client.get("/auth/bootstrap/status")
    status = response.get_json()
    
    if not status.get("setup_completed"):
        client.post("/auth/bootstrap/owner", json={
            "username": "owner",
            "password": "ownerpassword123",
            "root_dirs": [],
        })
    
    response = client.post("/auth/login", json={
        "username": "owner",
        "password": "ownerpassword123",
    })
    owner_token = response.get_json().get("accesstoken")
    
    invite_response = client.post(
        "/auth/invite/create",
        json={"roles": ["admin", "user"]},
        headers={"Authorization": f"Bearer {owner_token}"},
    )
    invite_token = invite_response.get_json().get("token")
    
    client.post("/auth/invite/accept", json={
        "token": invite_token,
        "username": admin_user_data["username"],
        "password": admin_user_data["password"],
    })
    
    response = client.post("/auth/login", json={
        "username": admin_user_data["username"],
        "password": admin_user_data["password"],
    })
    
    token = response.get_json().get("accesstoken")
    return {"Authorization": f"Bearer {token}"}


@pytest.fixture
def sample_trackhash():
    """Sample trackhash for testing."""
    return "abc123def456"


@pytest.fixture
def sample_download_job():
    """Sample download job data for testing."""
    return {
        "source_url": "https://open.spotify.com/track/1234567890",
        "source": "spotify",
        "quality": "high",
        "trackhash": "testhash123",
        "title": "Test Track",
        "artist": "Test Artist",
        "album": "Test Album",
        "item_type": "track",
    }