import pytest
from fastapi.testclient import TestClient
from warbler_cda.api.service import app

client = TestClient(app)

def test_synthesize_basic():
    fragments = [
        {"id": "frag1", "text": "The mitochondria is the powerhouse of the cell.", "heat": 0.8},
        {"id": "frag2", "text": "Cells use mitochondria to generate energy.", "heat": 0.7},
        {"id": "frag3", "text": "Energy production is vital for cell survival.", "heat": 0.6},
        {"id": "frag4", "text": "ATP is produced in mitochondria.", "heat": 0.9},
        {"id": "frag5", "text": "Mitochondria have their own DNA.", "heat": 0.5},
    ]
    response = client.post("/synthesize", json={"fragments": fragments})
    assert response.status_code == 200
    data = response.json()
    assert "micro_summaries" in data
    assert "macro_distillations" in data
    assert "metrics" in data
    assert len(data["micro_summaries"]) >= 1
    # Macro distillation may or may not be present depending on config