import pytest
from fastapi.testclient import TestClient
from everycure.app import app
import os
import tempfile

client = TestClient(app)

def create_test_pdf():
    # Create a temporary PDF file for testing
    with tempfile.NamedTemporaryFile(suffix=".pdf", delete=False) as tmp:
        tmp.write(b"%PDF-1.5\nTest PDF content")
        return tmp.name

@pytest.fixture
def test_pdf():
    pdf_path = create_test_pdf()
    yield pdf_path
    # Cleanup after test
    os.unlink(pdf_path)


def test_extract_entities_invalid_file():
    # Test with non-PDF file
    with tempfile.NamedTemporaryFile(suffix=".txt") as tmp:
        tmp.write(b"Not a PDF file")
        tmp.seek(0)
        response = client.post(
            "/extract",
            files={"file": ("test.txt", tmp, "text/plain")}
        )
    
    assert response.status_code == 415
    assert "Invalid file type" in response.json()["detail"]

def test_extract_entities_empty_file(test_pdf):
    with open(test_pdf, "rb") as f:
        response = client.post(
            "/extract",
            files={}  # No file provided
        )
    
    assert response.status_code == 400  # FastAPI's validation error