from __future__ import annotations

import sys
from pathlib import Path

import pytest
from fastapi.testclient import TestClient


BACKEND_ROOT = Path(__file__).resolve().parents[1]
sys.path.insert(0, str(BACKEND_ROOT))

from app.main import create_app  # noqa: E402
from app.services import (  # noqa: E402
    RuleBasedEntryExpander,
    RuleBasedExperienceExtractor,
    RuleBasedResumeRewriter,
)
from app.settings import Settings  # noqa: E402


@pytest.fixture(autouse=True)
def _intent_router_off_in_tests(monkeypatch: pytest.MonkeyPatch) -> None:
    """Keep the LLM intent gate hermetic: rescue.py lazy-loads global settings,
    so a developer .env with RESUME_AGENT_INTENT_ROUTER_MODE=on must not leak
    real LLM calls into the suite. Tests that need the gate stub the classifier
    on the agent directly."""
    monkeypatch.setattr(
        "app.builder_conversation.rescue.load_settings",
        lambda: Settings(llm_provider="rule", intent_router_mode="off"),
    )


@pytest.fixture
def client(tmp_path: Path) -> TestClient:
    application = create_app(
        database_path=tmp_path / "test.db",
        cors_origins=["http://localhost:5173"],
        extractor=RuleBasedExperienceExtractor(),
        rewriter=RuleBasedResumeRewriter(),
        expander=RuleBasedEntryExpander(),
        settings=Settings(llm_provider="rule", offerpai_auth_required=False),
    )
    with TestClient(application) as test_client:
        yield test_client