from __future__ import annotations

from collections.abc import Generator
from pathlib import Path

import pytest
from fastapi.testclient import TestClient
from sqlalchemy.orm import Session, sessionmaker

from app.config import Settings, get_settings
from app.database import Base, build_engine, get_db
from app.main import app


@pytest.fixture()
def test_settings(tmp_path: Path) -> Settings:
    db_file = tmp_path / "test_tryme.db"
    return Settings(
        database_url=f"sqlite:///{db_file.as_posix()}",
        dev_auth_enabled=True,
        admin_user="",
        session_secret="pytest-secret-key",
        seed_starter_quizzes=False,
    )


@pytest.fixture()
def client(test_settings: Settings) -> Generator[TestClient, None, None]:
    test_engine = build_engine(test_settings.database_url)
    Base.metadata.create_all(bind=test_engine)
    TestingSessionLocal = sessionmaker(
        bind=test_engine, autoflush=False, autocommit=False, expire_on_commit=False
    )

    def _override_get_db() -> Generator[Session, None, None]:
        db = TestingSessionLocal()
        try:
            yield db
        finally:
            db.close()

    app.dependency_overrides[get_db] = _override_get_db
    app.dependency_overrides[get_settings] = lambda: test_settings

    with TestClient(app) as test_client:
        yield test_client

    app.dependency_overrides.clear()
    test_engine.dispose()


def create_onboarded_student(
    client: TestClient,
    nickname: str = "astro_fox",
    animal: str = "fox",
    color: str = "avatar-1",
) -> tuple[str, dict]:
    resp = client.post("/api/v1/auth/dev-login", json={"nickname": nickname})
    assert resp.status_code == 200
    token = resp.json()["access_token"]
    headers = {"Authorization": f"Bearer {token}"}
    patch = client.patch(
        "/api/v1/users/me",
        headers=headers,
        json={
            "nickname": nickname,
            "first_name": "Alex",
            "last_name": "Rivera",
            "age": 14,
            "gender": "non_binary",
            "avatar_animal": animal,
            "avatar_color": color,
            "public_website_consent": True,
        },
    )
    assert patch.status_code == 200
    return token, patch.json()