"""
Conftest для E2E тестов Team Board API.
Поднимает отдельный Tracker (Docker) на тестовой БД team_board_test:8101.
После тестов — дропает БД и убивает контейнер.
"""
import pytest
import pytest_asyncio
import httpx
import uuid
import subprocess
import time
from typing import Dict, Any

TEST_DB = "team_board_test"
TEST_PORT = 8101
BASE_URL = f"http://localhost:{TEST_PORT}/api/v1"
TRACKER_DIR = "/root/projects/team-board/tracker"


def pytest_configure(config):
    """Создаём тестовую БД, запускаем Tracker в Docker."""
    # 1. Создать тестовую БД
    subprocess.run(
        ["sudo", "-u", "postgres", "psql", "-c", f"DROP DATABASE IF EXISTS {TEST_DB};"],
        capture_output=True,
    )
    result = subprocess.run(
        ["sudo", "-u", "postgres", "psql", "-c", f"CREATE DATABASE {TEST_DB} OWNER team_board;"],
        capture_output=True,
    )
    if result.returncode != 0:
        raise RuntimeError(f"Failed to create test DB: {result.stderr.decode()}")

    # 2. Запустить Tracker-test контейнер
    subprocess.run(
        ["docker", "compose", "-f", "docker-compose.test.yml", "down", "-v"],
        cwd=TRACKER_DIR, capture_output=True,
    )
    result = subprocess.run(
        ["docker", "compose", "-f", "docker-compose.test.yml", "up", "-d", "--build"],
        cwd=TRACKER_DIR, capture_output=True,
    )
    if result.returncode != 0:
        raise RuntimeError(f"Failed to start test Tracker: {result.stderr.decode()}")

    # 3. Ждём пока ответит
    for i in range(30):
        try:
            r = httpx.get(f"http://localhost:{TEST_PORT}/api/v1/labels", timeout=2)
            if r.status_code in (200, 401):
                break
        except Exception:
            pass
        time.sleep(1)
    else:
        subprocess.run(
            ["docker", "compose", "-f", "docker-compose.test.yml", "logs"],
            cwd=TRACKER_DIR,
        )
        raise RuntimeError("Test Tracker did not start in 30s")


def pytest_unconfigure(config):
    """Убиваем контейнер и дропаем тестовую БД."""
    subprocess.run(
        ["docker", "compose", "-f", "docker-compose.test.yml", "down", "-v"],
        cwd=TRACKER_DIR, capture_output=True,
    )
    subprocess.run(
        ["sudo", "-u", "postgres", "psql", "-c", f"DROP DATABASE IF EXISTS {TEST_DB};"],
        capture_output=True,
    )


# ---------- Fixtures ----------

@pytest.fixture(scope="session")
def base_url():
    return BASE_URL


@pytest_asyncio.fixture
async def admin_token(base_url: str) -> str:
    async with httpx.AsyncClient() as client:
        response = await client.post(f"{base_url}/auth/login", json={
            "login": "admin", "password": "teamboard"
        })
        assert response.status_code == 200
        return response.json()["token"]


@pytest.fixture
def agent_token():
    return "tb-coder-dev-token"


@pytest_asyncio.fixture
async def http_client(base_url: str, admin_token: str):
    headers = {"Authorization": f"Bearer {admin_token}"}
    async with httpx.AsyncClient(base_url=base_url, headers=headers, timeout=30.0) as client:
        yield client


@pytest_asyncio.fixture
async def agent_client(base_url: str, agent_token: str):
    headers = {"Authorization": f"Bearer {agent_token}"}
    async with httpx.AsyncClient(base_url=base_url, headers=headers, timeout=30.0) as client:
        yield client


@pytest_asyncio.fixture
async def test_project(http_client: httpx.AsyncClient) -> Dict[str, Any]:
    slug = f"test-project-{uuid.uuid4().hex[:8]}"
    response = await http_client.post("/projects", json={
        "name": f"Test Project {slug}", "slug": slug, "description": "E2E test",
    })
    assert response.status_code == 200
    project = response.json()
    yield project
    await http_client.delete(f"/projects/{project['id']}")


@pytest_asyncio.fixture
async def test_user(http_client: httpx.AsyncClient) -> Dict[str, Any]:
    slug = f"test-user-{uuid.uuid4().hex[:8]}"
    response = await http_client.post("/members", json={
        "name": f"Test User {slug}", "slug": slug, "type": "human", "role": "member",
    })
    assert response.status_code == 200
    yield response.json()


@pytest_asyncio.fixture
async def test_agent(http_client: httpx.AsyncClient) -> Dict[str, Any]:
    slug = f"test-agent-{uuid.uuid4().hex[:8]}"
    response = await http_client.post("/members", json={
        "name": f"Test Agent {slug}", "slug": slug, "type": "agent", "role": "member",
        "agent_config": {"capabilities": ["coding"], "labels": ["backend"],
                         "chat_listen": "mentions", "task_listen": "assigned"},
    })
    assert response.status_code == 200
    yield response.json()


@pytest_asyncio.fixture
async def test_task(http_client: httpx.AsyncClient, test_project: Dict[str, Any]) -> Dict[str, Any]:
    response = await http_client.post(f"/tasks?project_id={test_project['id']}", json={
        "title": "Test Task", "description": "E2E test", "type": "task",
        "status": "backlog", "priority": "medium",
    })
    assert response.status_code == 200
    yield response.json()


@pytest_asyncio.fixture
async def test_label(http_client: httpx.AsyncClient) -> Dict[str, Any]:
    name = f"test-label-{uuid.uuid4().hex[:8]}"
    response = await http_client.post("/labels", json={"name": name, "color": "#ff5733"})
    assert response.status_code == 200
    label = response.json()
    yield label
    await http_client.delete(f"/labels/{label['id']}")


# ---------- Helpers ----------

def assert_uuid(value: str):
    try:
        uuid.UUID(value)
    except (ValueError, TypeError):
        pytest.fail(f"'{value}' is not a valid UUID")


def assert_timestamp(value: str):
    import datetime
    try:
        datetime.datetime.fromisoformat(value.replace('Z', '+00:00'))
    except ValueError:
        pytest.fail(f"'{value}' is not a valid ISO timestamp")