# tests/conftest.py
"""Shared fixtures for pagepiper test suite."""
from __future__ import annotations

import sqlite3
from pathlib import Path

import pytest
from fastapi.testclient import TestClient


@pytest.fixture
def test_db(tmp_path) -> str:
    db_path = str(tmp_path / "test.db")
    schema = Path("migrations/001_initial_schema.sql").read_text()
    conn = sqlite3.connect(db_path)
    conn.executescript(schema)
    conn.commit()
    conn.close()
    return db_path


@pytest.fixture
def client(test_db, tmp_path, monkeypatch):
    monkeypatch.setenv("PAGEPIPER_DATA_DIR", str(tmp_path))
    monkeypatch.setenv("PAGEPIPER_WATCH_DIR", str(tmp_path / "books"))
    (tmp_path / "books").mkdir(exist_ok=True)

    import app.main as _main_module
    from app.main import app, _bm25
    from app.deps import get_db

    # Suppress startup side effects — test_db fixture already applies the schema,
    # and vec schema validation is tested separately in test_startup.py
    monkeypatch.setattr(_main_module, "_apply_migrations", lambda: None)
    monkeypatch.setattr(_main_module, "_check_vec_schema", lambda *a, **kw: None)

    def override_db():
        conn = sqlite3.connect(test_db)
        conn.execute("PRAGMA foreign_keys = ON")
        conn.row_factory = sqlite3.Row
        try:
            yield conn
        finally:
            conn.close()

    app.dependency_overrides[get_db] = override_db
    _bm25.mark_dirty()  # clear any state from previous tests
    yield TestClient(app)
    app.dependency_overrides.clear()