from app.models.habit import ALL_WEEKDAYS_MASK, HabitType
from app.schemas.habit import HabitCreate
from app.services import habit_service


def _make_habit(db_session, user_id, name="테스트 습관"):
    data = HabitCreate(name=name, habit_type=HabitType.BUILD, weekdays_mask=ALL_WEEKDAYS_MASK)
    return habit_service.create_habit(db_session, user_id, data)


def test_list_habits_requires_login(client):
    response = client.get("/api/habits")
    assert response.status_code == 401


def test_create_and_list_habit(auth_client):
    response = auth_client.post(
        "/api/habits", json={"name": "아침 운동", "habit_type": "build", "weekdays_mask": ALL_WEEKDAYS_MASK}
    )
    assert response.status_code == 201
    created = response.json()
    assert created["name"] == "아침 운동"

    listed = auth_client.get("/api/habits").json()
    assert [h["name"] for h in listed] == ["아침 운동"]


def test_create_habit_rejects_blank_name(auth_client):
    response = auth_client.post(
        "/api/habits", json={"name": "   ", "habit_type": "build", "weekdays_mask": ALL_WEEKDAYS_MASK}
    )
    assert response.status_code == 422


def test_get_other_users_habit_returns_404(auth_client, db_session, other_user):
    others_habit = _make_habit(db_session, other_user.id, name="남의 습관")

    response = auth_client.get(f"/api/habits/{others_habit.id}")
    assert response.status_code == 404


def test_delete_other_users_habit_returns_404_and_does_not_delete(auth_client, db_session, other_user):
    others_habit = _make_habit(db_session, other_user.id, name="남의 습관")

    response = auth_client.delete(f"/api/habits/{others_habit.id}")
    assert response.status_code == 404
    assert habit_service.get_habit(db_session, others_habit.id, other_user.id) is not None


def test_update_own_habit(auth_client, db_session, test_user):
    habit = _make_habit(db_session, test_user.id, name="원래 이름")

    response = auth_client.put(
        f"/api/habits/{habit.id}",
        json={"name": "새 이름", "habit_type": "build", "weekdays_mask": ALL_WEEKDAYS_MASK},
    )
    assert response.status_code == 200
    assert response.json()["name"] == "새 이름"


def test_complete_and_reactivate_habit(auth_client, db_session, test_user):
    habit = _make_habit(db_session, test_user.id)

    complete_res = auth_client.post(f"/api/habits/{habit.id}/complete")
    assert complete_res.status_code == 200
    assert complete_res.json()["status"] == "completed"

    reactivate_res = auth_client.post(f"/api/habits/{habit.id}/reactivate")
    assert reactivate_res.status_code == 200
    assert reactivate_res.json()["status"] == "active"


def test_reorder_endpoint(auth_client, db_session, test_user):
    a = _make_habit(db_session, test_user.id, name="A")
    b = _make_habit(db_session, test_user.id, name="B")

    response = auth_client.post("/api/habits/reorder", json={"habit_ids": [b.id, a.id]})
    assert response.status_code == 200

    listed = auth_client.get("/api/habits").json()
    assert [h["name"] for h in listed] == ["B", "A"]