# Copyright 2026 Alibaba Group Holding Ltd.
#
# 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 pytest
from fastapi import HTTPException

from opensandbox_server.extensions import (
    ACCESS_RENEW_EXTEND_SECONDS_KEY,
    ACCESS_RENEW_EXTEND_SECONDS_MAX,
    ACCESS_RENEW_EXTEND_SECONDS_METADATA_KEY,
    ACCESS_RENEW_EXTEND_SECONDS_MIN,
    apply_access_renew_extend_seconds_to_mapping,
    apply_extensions_to_mapping,
    extract_extensions_from_mapping,
    validate_extensions
)


class TestValidateCreateSandboxExtensionsAccessRenewExtendSeconds:
    """access.renew.extend.seconds in [300, 86400] when present."""

    def test_omitted_extensions_ok(self):
        assert validate_extensions(None) is None

    def test_extensions_without_key_ok(self):
        assert validate_extensions({"other": "x"}) is None

    def test_boundary_min_ok(self):
        assert validate_extensions(
            {ACCESS_RENEW_EXTEND_SECONDS_KEY: str(ACCESS_RENEW_EXTEND_SECONDS_MIN)}
        ) is None

    def test_boundary_max_ok(self):
        assert validate_extensions(
            {ACCESS_RENEW_EXTEND_SECONDS_KEY: str(ACCESS_RENEW_EXTEND_SECONDS_MAX)}
        ) is None

    def test_typical_value_ok(self):
        assert validate_extensions({ACCESS_RENEW_EXTEND_SECONDS_KEY: "1800"}) is None

    def test_whitespace_trimmed_ok(self):
        assert validate_extensions({ACCESS_RENEW_EXTEND_SECONDS_KEY: "  1800  "}) is None

    def test_below_min_rejected(self):
        with pytest.raises(HTTPException) as exc:
            validate_extensions(
                {ACCESS_RENEW_EXTEND_SECONDS_KEY: str(ACCESS_RENEW_EXTEND_SECONDS_MIN - 1)}
            )
        assert exc.value.status_code == 400

    def test_above_max_rejected(self):
        with pytest.raises(HTTPException) as exc:
            validate_extensions(
                {ACCESS_RENEW_EXTEND_SECONDS_KEY: str(ACCESS_RENEW_EXTEND_SECONDS_MAX + 1)}
            )
        assert exc.value.status_code == 400

    def test_non_integer_string_rejected(self):
        with pytest.raises(HTTPException) as exc:
            validate_extensions({ACCESS_RENEW_EXTEND_SECONDS_KEY: "abc"})
        assert exc.value.status_code == 400

    def test_empty_string_rejected(self):
        with pytest.raises(HTTPException) as exc:
            validate_extensions({ACCESS_RENEW_EXTEND_SECONDS_KEY: ""})
        assert exc.value.status_code == 400


class TestAccessRenewExtendSecondsStorage:
    def test_apply_to_mapping_with_mixed_extension_keys(self):
        m: dict[str, str] = {}
        apply_access_renew_extend_seconds_to_mapping(
            m,
            {"other": "x", ACCESS_RENEW_EXTEND_SECONDS_KEY: "3600"},
        )
        assert m == {ACCESS_RENEW_EXTEND_SECONDS_METADATA_KEY: "3600"}

    def test_apply_to_mapping_sets_default_key(self):
        m: dict[str, str] = {}
        apply_access_renew_extend_seconds_to_mapping(
            m, {ACCESS_RENEW_EXTEND_SECONDS_KEY: "1200"}
        )
        assert m == {ACCESS_RENEW_EXTEND_SECONDS_METADATA_KEY: "1200"}

    def test_apply_to_mapping_noop_when_key_absent(self):
        m: dict[str, str] = {"x": "1"}
        assert apply_access_renew_extend_seconds_to_mapping(m, {"poolRef": "p"}) is None
        assert m == {"x": "1"}


class TestExtensionsToAnnotations:
    """Extensions with opensandbox.extensions. prefix are propagated to annotations."""

    def test_single_extension_propagated(self):
        annotations: dict[str, str] = {}
        extensions = {"opensandbox.extensions.pool-ref": "my-pool"}
        apply_extensions_to_mapping(annotations, extensions)
        assert annotations == {"opensandbox.io/extensions.pool-ref": "my-pool"}

    def test_multiple_extensions_propagated(self):
        annotations: dict[str, str] = {}
        extensions = {
            "opensandbox.extensions.pool-ref": "my-pool",
            "opensandbox.extensions.custom-key": "custom-value",
        }
        apply_extensions_to_mapping(annotations, extensions)
        assert annotations == {
            "opensandbox.io/extensions.pool-ref": "my-pool",
            "opensandbox.io/extensions.custom-key": "custom-value",
        }

    def test_non_prefix_extension_not_propagated(self):
        annotations: dict[str, str] = {}
        extensions = {
            "poolRef": "my-pool",
            "other.key": "value",
        }
        apply_extensions_to_mapping(annotations, extensions)
        assert annotations == {}

    def test_mixed_extensions_propagated_only_prefix_keys(self):
        annotations: dict[str, str] = {}
        extensions = {
            "opensandbox.extensions.pool-ref": "my-pool",
            "poolRef": "ignored",
            "access.renew.extend.seconds": "1800",
        }
        apply_extensions_to_mapping(annotations, extensions)
        assert annotations == {"opensandbox.io/extensions.pool-ref": "my-pool"}

    def test_empty_extensions_noop(self):
        annotations: dict[str, str] = {"existing": "value"}
        apply_extensions_to_mapping(annotations, None)
        assert annotations == {"existing": "value"}

    def test_empty_extensions_dict_noop(self):
        annotations: dict[str, str] = {"existing": "value"}
        apply_extensions_to_mapping(annotations, {})
        assert annotations == {"existing": "value"}

    def test_preserves_existing_annotations(self):
        annotations: dict[str, str] = {"existing": "value"}
        extensions = {"opensandbox.extensions.new-key": "new-value"}
        apply_extensions_to_mapping(annotations, extensions)
        assert annotations == {
            "existing": "value",
            "opensandbox.io/extensions.new-key": "new-value",
        }


class TestExtensionsFromAnnotations:
    def test_restores_prefixed_annotations(self):
        annotations = {
            "opensandbox.io/extensions.custom-key": "custom-value",
            "opensandbox.io/extensions.localized": "中文数据",
        }

        assert extract_extensions_from_mapping(annotations) == {
            "opensandbox.extensions.custom-key": "custom-value",
            "opensandbox.extensions.localized": "中文数据",
        }

    def test_ignores_non_extension_annotations(self):
        annotations = {
            "opensandbox.io/access-renew-extend-seconds": "1800",
            "other": "value",
        }

        assert extract_extensions_from_mapping(annotations) is None

    def test_empty_annotations_return_none(self):
        assert extract_extensions_from_mapping({}) is None
        assert extract_extensions_from_mapping(None) is None