# ========= Copyright 2026 @ Strukto.AI All Rights Reserved. =========
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ========= Copyright 2026 @ Strukto.AI All Rights Reserved. =========

import os
from functools import partial

import pytest

from mirage.accessor.disk import DiskAccessor
from mirage.core.disk.du import entries
from mirage.types import PathSpec


def _backslashed_relpath(real_relpath, path, start):
    return real_relpath(path, start).replace("/", "\\")


@pytest.mark.asyncio
async def test_entries_returns_pairs(tmp_path):
    (tmp_path / "a.txt").write_bytes(b"aaa")
    (tmp_path / "sub").mkdir()
    (tmp_path / "sub" / "b.txt").write_bytes(b"bb")
    accessor = DiskAccessor(tmp_path)
    found, total = await entries(
        accessor, PathSpec(resource_path="", virtual="/", directory="/"))
    paths = [p for p, _ in found]
    assert "/a.txt" in paths
    assert "/sub/b.txt" in paths
    assert total == 5


@pytest.mark.asyncio
async def test_entries_normalizes_native_separator(tmp_path, monkeypatch):
    (tmp_path / "sub").mkdir()
    (tmp_path / "sub" / "b.txt").write_bytes(b"bb")
    # Simulate Windows: os.path.relpath joins with the native separator.
    monkeypatch.setattr(os.path, "relpath",
                        partial(_backslashed_relpath, os.path.relpath))
    monkeypatch.setattr(os, "sep", "\\")
    accessor = DiskAccessor(tmp_path)
    found, total = await entries(
        accessor, PathSpec(resource_path="", virtual="/", directory="/"))
    assert [p for p, _ in found] == ["/sub/b.txt"]
    assert total == 2
