# ========= 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 import OPS
from mirage.types import PathSpec
from mirage.utils.key_prefix import mount_key


def _op(name: str):
    return next(o.fn for o in OPS if o.name == name and o.filetype is None)


read = _op("read")


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 accessor():
    return GDriveAccessor(config=None, token_manager=None)


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


@pytest.mark.asyncio
async def test_read_gslide_renders_presentation_json(accessor, index):
    await index.put(
        "/slides/deck.gslide.json",
        IndexEntry(
            id="slide123",
            name="Deck",
            resource_type="gdrive/gslide",
            remote_time="2026-04-01T00:00:00Z",
            vfs_name="deck.gslide.json",
        ))
    slide_json = json.dumps({"presentationId": "slide123"}).encode()
    with patch(
            "mirage.core.gdrive.read.read_presentation",
            new_callable=AsyncMock,
            return_value=slide_json,
    ) as mock:
        result = await read(accessor,
                            _scope("/slides/deck.gslide.json"),
                            index=index)
        mock.assert_called_once_with(accessor.token_manager, "slide123")
        assert json.loads(result)["presentationId"] == "slide123"


@pytest.mark.asyncio
async def test_read_gslide_not_found(accessor, index):
    await index.set_dir("/", [])
    with pytest.raises(FileNotFoundError):
        await read(accessor, _scope("/nonexistent.gslide.json"), index=index)
