from __future__ import annotations

from uuid import uuid4

import pytest

from core.auth.models import CurrentUser
from core.http.errors import ApiProblemError
from v1.users.service import UserService


class _NoopRepository:
    pass


class _FakeStorage:
    def __init__(self) -> None:
        self.deleted_prefix_calls: list[tuple[str, str]] = []
        self.deleted_auth_user_calls: list[str] = []

    async def delete_prefix(self, *, bucket: str, prefix: str) -> int:
        self.deleted_prefix_calls.append((bucket, prefix))
        return 0

    async def delete_auth_user(self, *, user_id: str) -> None:
        self.deleted_auth_user_calls.append(user_id)


@pytest.mark.asyncio
async def test_delete_account_success_calls_storage_cleanup_and_auth_delete() -> None:
    user = CurrentUser(id=uuid4(), email="test@example.com")
    storage = _FakeStorage()
    service = UserService(
        current_user=user,
        repository=_NoopRepository(),  # type: ignore[arg-type]
        attachment_storage=storage,  # type: ignore[arg-type]
    )

    await service.delete_account()

    assert storage.deleted_prefix_calls == [("avatars", f"{user.id}/")]
    assert storage.deleted_auth_user_calls == [str(user.id)]


@pytest.mark.asyncio
async def test_delete_account_raises_profile_delete_failed_on_storage_cleanup_error() -> (
    None
):
    user = CurrentUser(id=uuid4(), email="test@example.com")

    class _FailingStorage(_FakeStorage):
        async def delete_prefix(self, *, bucket: str, prefix: str) -> int:
            raise RuntimeError("storage unavailable")

    storage = _FailingStorage()
    service = UserService(
        current_user=user,
        repository=_NoopRepository(),  # type: ignore[arg-type]
        attachment_storage=storage,  # type: ignore[arg-type]
    )

    with pytest.raises(ApiProblemError) as exc_info:
        await service.delete_account()

    err = exc_info.value
    assert err.status_code == 502
    assert err.code == "PROFILE_DELETE_FAILED"
    assert storage.deleted_auth_user_calls == []


@pytest.mark.asyncio
async def test_delete_account_raises_profile_delete_failed_on_auth_delete_error() -> (
    None
):
    user = CurrentUser(id=uuid4(), email="test@example.com")

    class _FailingStorage(_FakeStorage):
        async def delete_auth_user(self, *, user_id: str) -> None:
            raise RuntimeError("delete user failed")

    storage = _FailingStorage()
    service = UserService(
        current_user=user,
        repository=_NoopRepository(),  # type: ignore[arg-type]
        attachment_storage=storage,  # type: ignore[arg-type]
    )

    with pytest.raises(ApiProblemError) as exc_info:
        await service.delete_account()

    err = exc_info.value
    assert err.status_code == 502
    assert err.code == "PROFILE_DELETE_FAILED"
    assert storage.deleted_prefix_calls == [("avatars", f"{user.id}/")]