# backend/tests/test_shopping.py
import pytest
from sqlalchemy import delete
from app.models.shopping import ShoppingList, ListItem


@pytest.fixture(autouse=True)
async def cleanup(db_session):
    yield
    # Supprimer les listes de test (cascade supprime les items)
    await db_session.execute(
        delete(ShoppingList).where(ShoppingList.name.like("TEST_%"))
    )
    # Supprimer les listes sans nom créées par les tests
    await db_session.execute(
        delete(ShoppingList).where(ShoppingList.name.is_(None), ShoppingList.status == "draft")
    )
    await db_session.commit()


async def test_creer_liste(client):
    resp = await client.post("/api/shopping/lists", json={"name": "TEST_semaine 1"})
    assert resp.status_code == 201
    data = resp.json()
    assert data["name"] == "TEST_semaine 1"
    assert data["status"] == "draft"
    assert data["item_count"] == 0
    assert data["items"] == []


async def test_lister_listes(client):
    await client.post("/api/shopping/lists", json={"name": "TEST_liste A"})
    await client.post("/api/shopping/lists", json={"name": "TEST_liste B"})

    resp = await client.get("/api/shopping/lists")
    assert resp.status_code == 200
    noms = [l["name"] for l in resp.json()]
    assert "TEST_liste A" in noms
    assert "TEST_liste B" in noms


async def test_ajouter_article_custom(client):
    liste = (await client.post("/api/shopping/lists", json={"name": "TEST_ajout"})).json()
    list_id = liste["id"]

    resp = await client.post(f"/api/shopping/lists/{list_id}/items", json={
        "custom_name": "Farine T55",
        "quantity": "1.5",
        "unit": "kg",
    })
    assert resp.status_code == 201
    data = resp.json()
    assert data["display_name"] == "Farine T55"
    assert data["is_checked"] is False
    assert data["carried_over"] is False


async def test_ajouter_article_sans_nom_erreur(client):
    liste = (await client.post("/api/shopping/lists", json={"name": "TEST_sans nom"})).json()
    resp = await client.post(f"/api/shopping/lists/{liste['id']}/items", json={})
    assert resp.status_code == 422


async def test_cocher_article(client):
    liste = (await client.post("/api/shopping/lists", json={"name": "TEST_cocher"})).json()
    list_id = liste["id"]
    item = (await client.post(f"/api/shopping/lists/{list_id}/items", json={"custom_name": "Lait"})).json()
    item_id = item["id"]

    resp = await client.patch(f"/api/shopping/lists/{list_id}/items/{item_id}", json={"is_checked": True})
    assert resp.status_code == 200
    assert resp.json()["is_checked"] is True


async def test_supprimer_article(client):
    liste = (await client.post("/api/shopping/lists", json={"name": "TEST_suppr"})).json()
    list_id = liste["id"]
    item = (await client.post(f"/api/shopping/lists/{list_id}/items", json={"custom_name": "Beurre"})).json()
    item_id = item["id"]

    resp = await client.delete(f"/api/shopping/lists/{list_id}/items/{item_id}")
    assert resp.status_code == 204

    detail = await client.get(f"/api/shopping/lists/{list_id}")
    assert all(i["id"] != item_id for i in detail.json()["items"])


async def test_terminer_courses_reporte_non_coches(client):
    liste = (await client.post("/api/shopping/lists", json={"name": "TEST_finish"})).json()
    list_id = liste["id"]

    await client.post(f"/api/shopping/lists/{list_id}/items", json={"custom_name": "Coché"})
    await client.post(f"/api/shopping/lists/{list_id}/items", json={"custom_name": "Non coché"})

    # Cocher le premier article
    items = (await client.get(f"/api/shopping/lists/{list_id}")).json()["items"]
    coche_id = next(i["id"] for i in items if i["display_name"] == "Coché")
    await client.patch(f"/api/shopping/lists/{list_id}/items/{coche_id}", json={"is_checked": True})

    resp = await client.post(f"/api/shopping/lists/{list_id}/finish")
    assert resp.status_code == 200
    assert resp.json()["status"] == "done"

    # Vérifier que la nouvelle liste draft a été créée avec l'article non coché
    all_lists = (await client.get("/api/shopping/lists")).json()
    new_drafts = [l for l in all_lists if l["status"] == "draft"]
    assert len(new_drafts) >= 1


async def test_detail_liste_404(client):
    resp = await client.get("/api/shopping/lists/00000000-0000-0000-0000-000000000000")
    assert resp.status_code == 404


async def test_lister_stores(client):
    resp = await client.get("/api/shopping/stores")
    assert resp.status_code == 200
    assert isinstance(resp.json(), list)


async def test_rechercher_produits(client):
    resp = await client.get("/api/shopping/products?q=lait&limit=5")
    assert resp.status_code == 200
    data = resp.json()
    assert isinstance(data, list)
    assert len(data) <= 5