"""Shared fixtures for the Denya OneCare test suite.

Sets DATABASE_URL to an isolated temp SQLite file BEFORE importing any app
module (the engine is created at import time), then provisions tables and
seed data per test.
"""

from __future__ import annotations

import os
import tempfile
from pathlib import Path

_TMP_DIR = tempfile.mkdtemp(prefix="denya-test-")
os.environ["DATABASE_URL"] = f"sqlite+aiosqlite:///{_TMP_DIR}/test.db"

import pytest_asyncio
from httpx import ASGITransport, AsyncClient

from app.core.database import Base, async_session_factory, engine
from app.main import app
from app.models.ticket import Ticket
from app.services.seed import seed_categories, seed_units, seed_users


@pytest_asyncio.fixture
async def client():
    """Async test client with a fresh, seeded database per test."""
    async with engine.begin() as conn:
        await conn.run_sync(Base.metadata.create_all)
    async with async_session_factory() as session:
        await seed_users(session)
        await session.commit()
        # json_path=None → built-in fallback units (apartment_mapping.json is not committed)
        await seed_units(session, json_path=None)
        await session.commit()
        await seed_categories(session)
        await session.commit()

    transport = ASGITransport(app=app)
    async with AsyncClient(transport=transport, base_url="http://test") as c:
        yield c

    async with engine.begin() as conn:
        await conn.run_sync(Base.metadata.drop_all)


@pytest_asyncio.fixture
async def seed_tickets():
    """Insert `n` tickets directly into the DB; returns the count inserted."""

    async def _seed(n: int) -> int:
        async with async_session_factory() as session:
            for i in range(n):
                session.add(
                    Ticket(
                        ticket_number=f"PAV-TEST-{i:05d}",
                        status="Logged",
                        priority="medium",
                        description=f"Test ticket {i}",
                    )
                )
            await session.commit()
        return n

    return _seed