"""
Test fixtures for Contexta backend.
Uses unittest.mock to avoid hitting real Supabase/Qdrant in unit tests.
"""
import pytest
from unittest.mock import MagicMock, patch, AsyncMock
from fastapi.testclient import TestClient


@pytest.fixture
def client():
    """FastAPI test client. Patches Supabase and Qdrant at module level."""
    with patch("app.database.get_supabase") as mock_sb, \
         patch("app.services.vector_store.vector_store") as mock_vs:
        mock_sb.return_value = _make_supabase_mock()
        mock_vs.create_collection = MagicMock()
        mock_vs.delete_collection = MagicMock()
        mock_vs.search = MagicMock(return_value=[])

        from app.main import app
        yield TestClient(app)


@pytest.fixture
def supabase_mock():
    """Standalone Supabase mock for direct use."""
    return _make_supabase_mock()


@pytest.fixture
def auth_headers():
    """Mock auth headers (token is verified by patching get_current_user)."""
    return {"Authorization": "Bearer test-token"}


@pytest.fixture
def mock_current_user():
    """A mock Supabase auth user object."""
    user = MagicMock()
    user.id = "test-user-id"
    user.email = "test@example.com"
    return user


@pytest.fixture
def mock_admin_user():
    """A mock admin auth user object."""
    user = MagicMock()
    user.id = "admin-user-id"
    user.email = "admin@example.com"
    return user


def _make_supabase_mock():
    """Build a chainable Supabase client mock."""
    supabase = MagicMock()

    # Default table chain returns empty data
    table_mock = MagicMock()
    table_mock.select.return_value = table_mock
    table_mock.insert.return_value = table_mock
    table_mock.update.return_value = table_mock
    table_mock.delete.return_value = table_mock
    table_mock.upsert.return_value = table_mock
    table_mock.eq.return_value = table_mock
    table_mock.in_.return_value = table_mock
    table_mock.limit.return_value = table_mock
    table_mock.order.return_value = table_mock
    table_mock.range.return_value = table_mock
    table_mock.gte.return_value = table_mock
    table_mock.lt.return_value = table_mock
    table_mock.execute.return_value = MagicMock(data=[], count=0)

    supabase.table.return_value = table_mock
    supabase.auth = MagicMock()

    return supabase