"""Sequential play saves on a fresh user (guards starter deck API + play keys)."""
from __future__ import annotations

import shutil
import sys
from pathlib import Path

import pytest
from fastapi.testclient import TestClient

_SEED = Path(__file__).resolve().parent.parent / "deploy/hf/seed/hf_bundled_store.db"


@pytest.fixture()
def api_client(tmp_path: Path, monkeypatch: pytest.MonkeyPatch):
    assert _SEED.is_file(), f"Missing seed DB: {_SEED}"
    dest = tmp_path / "starter_saves_store.db"
    shutil.copyfile(_SEED, dest)
    monkeypatch.setenv("KINK_STORE_PATH", str(dest))
    monkeypatch.setenv("KINK_SKIP_HEAVY_WARM", "1")
    monkeypatch.setenv("KINK_HF_REQUIRE_FULL_CATALOG", "0")
    sys.modules.pop("api", None)
    import api as api_mod

    api_mod._backend_impl = None
    api_mod._get_backend()
    return api_mod


def test_two_distinct_likes_increment_play_count(api_client) -> None:
    client = TestClient(api_client.app)
    u = client.post("/users", json={}).json()
    uid, tok = u["id"], u["private_token"]
    h = {"x-private-token": tok}
    rec = client.get(f"/users/{uid}/recommendations?limit=8", headers=h).json()
    items = rec.get("items") or []
    assert len(items) >= 2, items
    a = items[0]["kink"]["id"]
    b = items[1]["kink"]["id"]
    assert a != b
    body = {"kink_id": a, "interest_state": "like", "directions": ["together"]}
    r1 = client.post(f"/users/{uid}/plays", json=body, headers=h)
    assert r1.status_code == 200, r1.text
    r2 = client.post(
        f"/users/{uid}/plays",
        json={"kink_id": b, "interest_state": "like", "directions": ["together"]},
        headers=h,
    )
    assert r2.status_code == 200, r2.text
    plays = r2.json().get("plays") or {}
    assert len(plays) == 2, plays


def test_recommendations_after_first_save_exclude_that_kink(api_client) -> None:
    client = TestClient(api_client.app)
    u = client.post("/users", json={}).json()
    uid, tok = u["id"], u["private_token"]
    h = {"x-private-token": tok}
    rec0 = client.get(f"/users/{uid}/recommendations?limit=8", headers=h).json()
    top = (rec0.get("items") or [])[0]["kink"]["id"]
    client.post(
        f"/users/{uid}/plays",
        json={"kink_id": top, "interest_state": "like", "directions": ["together"]},
        headers=h,
    )
    rec1 = client.get(f"/users/{uid}/recommendations?limit=8", headers=h).json()
    ids = [row["kink"]["id"] for row in (rec1.get("items") or [])]
    assert top not in ids, (top, ids[:5])