"""Integration tests configuration and fixtures."""

import os
import pytest
import httpx
from fastapi.testclient import TestClient
from app.main import app
from app.dependencies import get_db_client
from app.interfaces.db_api_client import DBApiClient



TEST_DB_API_URL = os.getenv("TEST_DB_API_URL", "http://localhost:8081/api/v1")
TEST_LOGIN = os.getenv("TEST_LOGIN", "99999999")  


@pytest.fixture(scope="session")
def db_api_url():
    """DB API URL for integration tests."""
    return TEST_DB_API_URL


@pytest.fixture(scope="session")
def test_login():
    """Test user login."""
    return TEST_LOGIN


@pytest.fixture(scope="function")
def db_client(db_api_url):
    """Real DB API client for integration tests."""
    client = DBApiClient(api_prefix=db_api_url, timeout=30.0)
    yield client
    


@pytest.fixture(scope="function")
def client(db_api_url):
    """FastAPI test client with real DB API integration."""
    
    def get_real_db_client():
        return DBApiClient(api_prefix=db_api_url, timeout=30.0)

    app.dependency_overrides[get_db_client] = get_real_db_client

    with TestClient(app) as test_client:
        yield test_client

    
    app.dependency_overrides.clear()


@pytest.fixture(scope="function")
def auth_token(client, test_login):
    """Get authentication token for test user."""
    response = client.post(
        "/api/v1/auth/login",
        params={"login": test_login}
    )

    if response.status_code != 200:
        pytest.skip(f"Cannot authenticate test user: {response.status_code}")

    return response.json()["access_token"]


@pytest.fixture(scope="function")
def auth_headers(auth_token):
    """Authorization headers with JWT token."""
    return {"Authorization": f"Bearer {auth_token}"}


@pytest.fixture(scope="function")
def test_user_id(client, test_login):
    """Get test user ID."""
    response = client.post(
        "/api/v1/auth/login",
        params={"login": test_login}
    )

    if response.status_code != 200:
        pytest.skip(f"Cannot get test user ID: {response.status_code}")

    return response.json()["user"]["user_id"]


@pytest.fixture(scope="function")
def clean_test_sessions(db_client, test_user_id):
    """Clean up test sessions after test."""
    yield

    
    try:
        sessions = db_client.get_sessions(test_user_id, limit=200)
        for session in sessions.sessions:
            db_client.delete_session(test_user_id, session.session_id)
    except Exception:
        pass  


def pytest_configure(config):
    """Configure pytest for integration tests."""
    config.addinivalue_line(
        "markers", "integration: mark test as integration test (requires real DB API)"
    )