"""Shared test fixtures for the meal tracker."""

import os
import tempfile

import pytest

from app import create_app
from models import init_db


@pytest.fixture
def app():
    """Create a Flask app with a temporary database."""
    db_fd, db_path = tempfile.mkstemp(suffix=".db")
    os.environ["DB_PATH"] = db_path

    app = create_app()
    app.config["SECRET_KEY"] = "test-secret"
    app.config["TESTING"] = True

    with app.app_context():
        init_db()

    yield app

    os.close(db_fd)
    os.unlink(db_path)
    os.environ.pop("DB_PATH", None)


@pytest.fixture
def client(app):
    """Flask test client."""
    return app.test_client()


def _register_and_login(client, username, password, household_action="create",
                        household_name=None, join_household_id=None):
    """Helper: register (and auto-login) a user."""
    if not household_name:
        household_name = f"{username}-house"
    resp = client.post("/register", data={
        "username": username,
        "password": password,
        "confirm": password,
        "household_action": household_action,
        "new_household_name": household_name,
        "household_id": str(join_household_id) if join_household_id else "",
    }, follow_redirects=True)
    return resp


@pytest.fixture
def auth_client(client):
    """Test client with a logged-in regular user in a 2-person household."""
    # Admin creates household
    client.post("/register", data={
        "username": "alice",
        "password": "alicepass",
        "confirm": "alicepass",
        "household_action": "create",
        "new_household_name": "Test Household",
    })
    client.get("/logout")
    # Bob joins the same household
    from models import get_household_by_name
    hh = get_household_by_name("Test Household")
    client.post("/register", data={
        "username": "bob",
        "password": "bobpass",
        "confirm": "bobpass",
        "household_action": "join",
        "household_id": str(hh["id"]),
    })
    return client  # Logged in as bob (regular user)


@pytest.fixture
def admin_client(client):
    """Test client with the admin user logged in (created their own household)."""
    client.post("/register", data={
        "username": "admin",
        "password": "adminpass",
        "confirm": "adminpass",
        "household_action": "create",
        "new_household_name": "Admin Household",
    })
    return client