import tempfile
import pytest
from pathlib import Path
from fastapi.testclient import TestClient

from app.engine import DuckDBEngine
from app.models import EventCreateRequest, EventStopRequest


def test_add_and_stop_sleep_event(tmp_path: Path):
    # Use isolated temp directory for write tests so we do not pollute wiki git repo
    engine = DuckDBEngine(data_dir=tmp_path)

    # 1. Add active sleep event (end=None)
    add_req = EventCreateRequest(
        kind="sleep.session",
        subject="mila",
        payload={"type": "nap", "location": "kinderwagen"},
        actor="test-runner",
        note="Mittagsschlaf Test",
    )
    res_add = engine.add_event(add_req)
    assert res_add["status"] == "success"
    event_id = res_add["id"]
    assert event_id is not None

    # Check that it appears in open sleep
    open_rows = engine.query(f"SELECT * FROM sleep WHERE id = '{event_id}' AND (isOpen = true OR endIso IS NULL)")
    assert len(open_rows) == 1

    # 2. Stop the active sleep event
    stop_req = EventStopRequest(
        kind="sleep.session",
        subject="mila",
        event_id=event_id,
        actor="test-runner",
    )
    res_stop = engine.stop_event(stop_req)
    assert res_stop["status"] == "success"
    assert res_stop["id"] == event_id

    # Check that it is now closed
    closed_rows = engine.query(f"SELECT isOpen, endIso FROM sleep WHERE id = '{event_id}'")
    assert len(closed_rows) == 1
    assert closed_rows[0]["isOpen"] is False
    assert closed_rows[0]["endIso"] is not None


def test_add_nutrition_and_diaper_event(tmp_path: Path):
    engine = DuckDBEngine(data_dir=tmp_path)

    # Add nutrition event
    nut_req = EventCreateRequest(
        kind="nutrition.intake",
        subject="moritz",
        payload={"item": "Apfel", "qty": 150.0, "kcal": 78.0, "protein_g": 0.5},
        meal="snack",
        actor="test-runner",
    )
    res_nut = engine.add_event(nut_req)
    assert res_nut["status"] == "success"
    nut_id = res_nut["id"]

    nut_rows = engine.query(f"SELECT * FROM nutrition WHERE id = '{nut_id}'")
    assert len(nut_rows) == 1

    # Add diaper event
    diaper_req = EventCreateRequest(
        kind="diaper.change",
        subject="mila",
        payload={"pee": True, "poo": False},
        actor="test-runner",
    )
    res_diaper = engine.add_event(diaper_req)
    assert res_diaper["status"] == "success"
    diaper_id = res_diaper["id"]

    diaper_rows = engine.query(f"SELECT * FROM mila WHERE id = '{diaper_id}'")
    assert len(diaper_rows) == 1


def test_duplicate_open_sleep_rejected(tmp_path: Path):
    engine = DuckDBEngine(data_dir=tmp_path)

    # 1. Start first open sleep session
    req1 = EventCreateRequest(
        kind="sleep.session",
        subject="mila",
        payload={"type": "nap", "location": "bett"},
        actor="parent",
    )
    res1 = engine.add_event(req1)
    assert res1["status"] == "success"

    # 2. Attempt to start second open sleep session without stopping the first
    req2 = EventCreateRequest(
        kind="sleep.session",
        subject="mila",
        payload={"type": "nap", "location": "kinderwagen"},
        actor="parent",
    )
    with pytest.raises(ValueError, match="already active for subject 'mila'"):
        engine.add_event(req2)


def test_duplicate_open_sleep_api_endpoint(client: TestClient):
    # 1. Start first session via API
    res1 = client.post("/duckdb-api/v1/events", json={
        "kind": "sleep.session",
        "subject": "test_baby",
        "payload": {"type": "nap"},
    })
    assert res1.status_code == 200

    # 2. Start second session via API -> must return 400 Bad Request
    res2 = client.post("/duckdb-api/v1/events", json={
        "kind": "sleep.session",
        "subject": "test_baby",
        "payload": {"type": "nap"},
    })
    assert res2.status_code == 400
    assert "already active for subject 'test_baby'" in res2.json()["detail"]

    # 3. Clean up by stopping
    stop_res = client.post("/duckdb-api/v1/events/stop", json={
        "kind": "sleep.session",
        "subject": "test_baby",
    })
    assert stop_res.status_code == 200