#
#  Copyright 2025 The InfiniFlow Authors. 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.
#
import uuid
from concurrent.futures import ThreadPoolExecutor, as_completed

import pytest
from common import batch_create_datasets
from configs import HOST_ADDRESS, INVALID_API_TOKEN
from ragflow_sdk import RAGFlow


class TestAuthorization:
    @pytest.mark.p2
    @pytest.mark.parametrize(
        "invalid_auth, expected_message",
        [
            (None, "<Unauthorized '401: Unauthorized'>"),
            (INVALID_API_TOKEN, "<Unauthorized '401: Unauthorized'>"),
        ],
    )
    def test_auth_invalid(self, invalid_auth, expected_message):
        client = RAGFlow(invalid_auth, HOST_ADDRESS)
        with pytest.raises(Exception) as exception_info:
            client.delete_datasets()
        assert str(exception_info.value) == expected_message


class TestCapability:
    @pytest.mark.p3
    def test_delete_dataset_1k(self, client):
        datasets = batch_create_datasets(client, 1_000)
        client.delete_datasets(**{"ids": [dataset.id for dataset in datasets]})

        datasets = client.list_datasets()
        assert len(datasets) == 0, datasets

    @pytest.mark.p3
    def test_concurrent_deletion(self, client):
        count = 1_000
        datasets = batch_create_datasets(client, count)
        with ThreadPoolExecutor(max_workers=5) as executor:
            futures = [executor.submit(client.delete_datasets, **{"ids": [dataset.id for dataset in datasets][i : i + 1]}) for i in range(count)]
        responses = list(as_completed(futures))
        assert len(responses) == count, responses

        datasets = client.list_datasets()
        assert len(datasets) == 0, datasets


class TestDatasetsDelete:
    @pytest.mark.p1
    @pytest.mark.parametrize(
        "func, remaining",
        [
            (lambda r: {"ids": r[:1]}, 2),
            (lambda r: {"ids": r}, 0),
        ],
        ids=["single_dataset", "multiple_datasets"],
    )
    def test_ids(self, client, add_datasets_func, func, remaining):
        payload = None
        if callable(func):
            payload = func([dataset.id for dataset in add_datasets_func])
        client.delete_datasets(**payload)

        datasets = client.list_datasets()
        assert len(datasets) == remaining, str(datasets)

    @pytest.mark.p2
    @pytest.mark.usefixtures("add_dataset_func")
    def test_ids_empty(self, client):
        payload = {"ids": []}
        client.delete_datasets(**payload)

        datasets = client.list_datasets()
        assert len(datasets) == 1, str(datasets)

    @pytest.mark.p3
    @pytest.mark.usefixtures("add_datasets_func")
    def test_ids_none(self, client):
        payload = {"ids": None}
        client.delete_datasets(**payload)

        datasets = client.list_datasets()
        assert len(datasets) == 3, str(datasets)

    @pytest.mark.p2
    @pytest.mark.usefixtures("add_dataset_func")
    def test_id_not_uuid(self, client):
        payload = {"ids": ["not_uuid"]}
        with pytest.raises(Exception) as exception_info:
            client.delete_datasets(**payload)
        assert "Invalid UUID1 format" in str(exception_info.value), str(exception_info.value)

        datasets = client.list_datasets()
        assert len(datasets) == 1, str(datasets)

    @pytest.mark.p3
    @pytest.mark.usefixtures("add_dataset_func")
    def test_id_not_uuid1(self, client):
        payload = {"ids": [uuid.uuid4().hex]}
        with pytest.raises(Exception) as exception_info:
            client.delete_datasets(**payload)
        assert "Invalid UUID1 format" in str(exception_info.value), str(exception_info.value)

    @pytest.mark.p2
    @pytest.mark.usefixtures("add_dataset_func")
    def test_id_wrong_uuid(self, client):
        payload = {"ids": ["d94a8dc02c9711f0930f7fbc369eab6d"]}
        with pytest.raises(Exception) as exception_info:
            client.delete_datasets(**payload)
        assert "lacks permission for dataset" in str(exception_info.value), str(exception_info.value)

        datasets = client.list_datasets()
        assert len(datasets) == 1, str(datasets)

    @pytest.mark.p2
    @pytest.mark.parametrize(
        "func",
        [
            lambda r: {"ids": ["d94a8dc02c9711f0930f7fbc369eab6d"] + r},
            lambda r: {"ids": r[:1] + ["d94a8dc02c9711f0930f7fbc369eab6d"] + r[1:3]},
            lambda r: {"ids": r + ["d94a8dc02c9711f0930f7fbc369eab6d"]},
        ],
    )
    def test_ids_partial_invalid(self, client, add_datasets_func, func):
        if callable(func):
            payload = func([dataset.id for dataset in add_datasets_func])
        with pytest.raises(Exception) as exception_info:
            client.delete_datasets(**payload)
        assert "lacks permission for dataset" in str(exception_info.value), str(exception_info.value)

        datasets = client.list_datasets()
        assert len(datasets) == 3, str(datasets)

    @pytest.mark.p2
    def test_ids_duplicate(self, client, add_datasets_func):
        dataset_ids = [dataset.id for dataset in add_datasets_func]
        payload = {"ids": dataset_ids + dataset_ids}
        with pytest.raises(Exception) as exception_info:
            client.delete_datasets(**payload)
        assert "Duplicate ids:" in str(exception_info.value), str(exception_info.value)

        datasets = client.list_datasets()
        assert len(datasets) == 3, str(datasets)

    @pytest.mark.p2
    def test_repeated_delete(self, client, add_datasets_func):
        dataset_ids = [dataset.id for dataset in add_datasets_func]
        payload = {"ids": dataset_ids}
        client.delete_datasets(**payload)

        with pytest.raises(Exception) as exception_info:
            client.delete_datasets(**payload)
        assert "lacks permission for dataset" in str(exception_info.value), str(exception_info.value)

    @pytest.mark.p3
    @pytest.mark.usefixtures("add_dataset_func")
    def test_field_unsupported(self, client):
        payload = {"unknown_field": "unknown_field"}
        with pytest.raises(Exception) as exception_info:
            client.delete_datasets(**payload)
        assert "got an unexpected keyword argument 'unknown_field'" in str(exception_info.value), str(exception_info.value)

        datasets = client.list_datasets()
        assert len(datasets) == 1, str(datasets)