# ========= 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. =========

from unittest.mock import AsyncMock, patch

import pytest

from mirage.accessor.linear import LinearAccessor
from mirage.cache.index.ram import RAMIndexCacheStore
from mirage.commands.builtin.linear import COMMANDS
from mirage.commands.config import CommandOpts
from mirage.core.linear.config import LinearConfig
from mirage.types import PathSpec

TEAMS = [{
    "id": "TEAM1",
    "key": "ENG",
    "name": "Engineering",
    "updatedAt": "2026-04-05T00:00:00Z",
    "states": {
        "nodes": []
    },
}]

TEAM_DIR = "/teams/ENG__Engineering__TEAM1"


def _find_command():
    for fn in COMMANDS:
        for rc in getattr(fn, "_registered_commands", []):
            if rc.name == "find" and rc.filetype is None:
                return fn
    raise AssertionError("factory find not registered for linear")


def _spec(virtual: str) -> PathSpec:
    return PathSpec(virtual=virtual,
                    directory=virtual,
                    resource_path=virtual.strip("/"))


async def _run(paths, *texts: str, **flags) -> list[str]:
    accessor = LinearAccessor(LinearConfig(api_key="lin_api_test"))
    find = _find_command()
    with patch("mirage.core.linear.readdir.list_teams",
               new_callable=AsyncMock,
               return_value=TEAMS):
        stdout, _io = await find(
            accessor, paths, list(texts),
            CommandOpts(index=RAMIndexCacheStore(), flags={**flags}))
    data = stdout if isinstance(stdout, bytes) else b""
    return data.decode().splitlines()


@pytest.mark.asyncio
async def test_walk_classifies_dirs_via_stat_without_hint():
    # The walk classifies entries through stat, so it stats entries to
    # classify them (stat delegates to the parent readdir listing).
    lines = await _run([_spec("/")], maxdepth="2")
    assert "/teams" in lines
    assert TEAM_DIR in lines


@pytest.mark.asyncio
async def test_maxdepth_three_reaches_static_team_entries():
    lines = await _run([_spec("/")], maxdepth="3", name="team.json")
    assert lines == [f"{TEAM_DIR}/team.json"]


@pytest.mark.asyncio
async def test_type_d_lists_team_subdirs():
    lines = await _run([_spec("/")], maxdepth="3", type="d")
    assert f"{TEAM_DIR}/members" in lines
    assert f"{TEAM_DIR}/issues" in lines
    assert f"{TEAM_DIR}/team.json" not in lines
