# retoor <retoor@molodetz.nl>

import pytest

from devplacepy.database import get_table, init_db
from devplacepy.services.containers import store
from devplacepy.utils import generate_uid


@pytest.fixture(autouse=True)
def _init_db_containers_store():
    init_db()
    yield


def _make_instance(project_uid, deleted_at=None):
    uid = generate_uid()
    get_table("instances").insert(
        {
            "uid": uid,
            "project_uid": project_uid,
            "deleted_at": deleted_at,
            "deleted_by": None,
            "name": f"inst-{uid[:8]}",
            "status": "running",
            "desired_state": "running",
        }
    )
    return uid


def test_gc_workspaces_removes_directories_with_no_live_instance(
    local_db, tmp_path, monkeypatch
):
    monkeypatch.setattr("devplacepy.config.CONTAINER_WORKSPACES_DIR", tmp_path)
    active_project = "gcws-active-project"
    orphan_project = "gcws-orphan-project"
    (tmp_path / active_project).mkdir()
    (tmp_path / orphan_project).mkdir()
    (tmp_path / orphan_project / "leftover.bin").write_bytes(b"x" * 42)
    _make_instance(active_project)

    removed, freed = store.gc_workspaces()

    assert removed == 1
    assert freed == 42
    assert (tmp_path / active_project).exists()
    assert not (tmp_path / orphan_project).exists()


def test_gc_workspaces_ignores_soft_deleted_instances(local_db, tmp_path, monkeypatch):
    monkeypatch.setattr("devplacepy.config.CONTAINER_WORKSPACES_DIR", tmp_path)
    project = "gcws-soft-deleted-project"
    (tmp_path / project).mkdir()
    _make_instance(project, deleted_at="2020-01-01T00:00:00+00:00")

    removed, freed = store.gc_workspaces()

    assert removed == 1
    assert freed == 0
    assert not (tmp_path / project).exists()


def test_gc_workspaces_dry_run_changes_nothing(local_db, tmp_path, monkeypatch):
    monkeypatch.setattr("devplacepy.config.CONTAINER_WORKSPACES_DIR", tmp_path)
    orphan_project = "gcws-dry-run-project"
    (tmp_path / orphan_project).mkdir()
    (tmp_path / orphan_project / "leftover.bin").write_bytes(b"y" * 7)

    removed, freed = store.gc_workspaces(dry_run=True)

    assert removed == 1
    assert freed == 7
    assert (tmp_path / orphan_project).exists()


def test_gc_workspaces_missing_base_dir_is_a_noop(local_db, tmp_path, monkeypatch):
    monkeypatch.setattr(
        "devplacepy.config.CONTAINER_WORKSPACES_DIR", tmp_path / "does-not-exist"
    )
    assert store.gc_workspaces() == (0, 0)