# ========= 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 json
from unittest.mock import AsyncMock, patch

import pytest

from mirage.accessor.gdrive import GDriveAccessor
from mirage.cache.index.config import IndexEntry
from mirage.cache.index.ram import RAMIndexCacheStore
from mirage.ops.gdrive.read.read import read
from mirage.types import PathSpec
from mirage.utils.key_prefix import mount_key


def _scope(path: str, prefix: str = "") -> PathSpec:
    return PathSpec(resource_path=mount_key(path, prefix),
                    virtual=path,
                    directory=path.rsplit("/", 1)[0] or "/")


@pytest.fixture
def index():
    return RAMIndexCacheStore()


@pytest.fixture
def accessor():
    return GDriveAccessor(config=None, token_manager=None)


@pytest.mark.asyncio
async def test_read_gsheet_calls_core(accessor, index):
    await index.put(
        "/sheets/budget.gsheet.json",
        IndexEntry(
            id="sheet123",
            name="Budget",
            resource_type="gdrive/gsheet",
            remote_time="2026-04-01T00:00:00Z",
            vfs_name="budget.gsheet.json",
        ))
    fn = read._registered_ops[0].fn
    sheet_json = json.dumps({"spreadsheetId": "sheet123"}).encode()
    with patch(
            "mirage.ops.gdrive.read.read.core_read",
            new_callable=AsyncMock,
            return_value=sheet_json,
    ) as mock:
        result = await fn(accessor,
                          _scope("/sheets/budget.gsheet.json"),
                          index=index)
        mock.assert_called_once_with(accessor,
                                     _scope("/sheets/budget.gsheet.json"),
                                     index)
        assert json.loads(result)["spreadsheetId"] == "sheet123"


@pytest.mark.asyncio
async def test_read_gsheet_not_found(accessor, index):
    fn = read._registered_ops[0].fn
    with patch(
            "mirage.ops.gdrive.read.read.core_read",
            new_callable=AsyncMock,
            side_effect=FileNotFoundError("nonexistent.gsheet.json"),
    ):
        with pytest.raises(FileNotFoundError):
            await fn(accessor, _scope("/nonexistent.gsheet.json"), index=index)