# Copyright 2023 Google LLC
#
# 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 gzip
from typing import Type
from pathlib import Path

import pytest
import fixtures

from capa.exceptions import EmptyReportError, UnsupportedFormatError
from capa.features.extractors.cape.models import Call, CapeReport

CD = Path(__file__).resolve().parent
CAPE_DIR = CD / "data" / "dynamic" / "cape"


@fixtures.parametrize(
    "version,filename",
    [
        ("v2.2", "0000a65749f5902c4d82ffa701198038f0b4870b00a27cfca109f8f933476d82.json.gz"),
        ("v2.2", "55dcd38773f4104b95589acc87d93bf8b4a264b4a6d823b73fb6a7ab8144c08b.json.gz"),
        ("v2.2", "77c961050aa252d6d595ec5120981abf02068c968f4a5be5958d10e87aa6f0e8.json.gz"),
        ("v2.2", "d46900384c78863420fb3e297d0a2f743cd2b6b3f7f82bf64059a168e07aceb7.json.gz"),
        ("v2.4", "36d218f384010cce9f58b8193b7d8cc855d1dff23f80d16e13a883e152d07921.json.gz"),
        ("v2.4", "41ce492f04accef7931b84b8548a6ca717ffabb9bedc4f624de2d37a5345036c.json.gz"),
        ("v2.4", "515a6269965ccdf1005008e017ec87fafb97fd2464af1c393ad93b438f6f33fe.json.gz"),
        ("v2.4", "5d61700feabba201e1ba98df3c8210a3090c8c9f9adbf16cb3d1da3aaa2a9d96.json.gz"),
        ("v2.4", "5effaf6795932d8b36755f89f99ce7436421ea2bd1ed5bc55476530c1a22009f.json.gz"),
        ("v2.4", "873275144af88e9b95ea2c59ece39b8ce5a9d7fe09774b683050098ac965054d.json.gz"),
        ("v2.4", "8b9aaf4fad227cde7a7dabce7ba187b0b923301718d9d40de04bdd15c9b22905.json.gz"),
        ("v2.4", "b1c4aa078880c579961dc5ec899b2c2e08ae5db80b4263e4ca9607a68e2faef9.json.gz"),
        ("v2.4", "fb7ade52dc5a1d6128b9c217114a46d0089147610f99f5122face29e429a1e74.json.gz"),
    ],
)
def test_cape_model_can_load(version: str, filename: str):
    path = CAPE_DIR / version / filename
    buf = gzip.decompress(path.read_bytes())
    report = CapeReport.from_buf(buf)
    assert report is not None


@fixtures.parametrize(
    "version,filename,exception",
    [
        ("v2.2", "0000a65749f5902c4d82ffa701198038f0b4870b00a27cfca109f8f933476d82.json.gz", None),
        ("v2.2", "55dcd38773f4104b95589acc87d93bf8b4a264b4a6d823b73fb6a7ab8144c08b.json.gz", None),
        ("v2.2", "77c961050aa252d6d595ec5120981abf02068c968f4a5be5958d10e87aa6f0e8.json.gz", EmptyReportError),
        ("v2.2", "d46900384c78863420fb3e297d0a2f743cd2b6b3f7f82bf64059a168e07aceb7.json.gz", None),
        ("v2.4", "36d218f384010cce9f58b8193b7d8cc855d1dff23f80d16e13a883e152d07921.json.gz", UnsupportedFormatError),
        ("v2.4", "41ce492f04accef7931b84b8548a6ca717ffabb9bedc4f624de2d37a5345036c.json.gz", UnsupportedFormatError),
        ("v2.4", "515a6269965ccdf1005008e017ec87fafb97fd2464af1c393ad93b438f6f33fe.json.gz", UnsupportedFormatError),
        ("v2.4", "5d61700feabba201e1ba98df3c8210a3090c8c9f9adbf16cb3d1da3aaa2a9d96.json.gz", UnsupportedFormatError),
        ("v2.4", "5effaf6795932d8b36755f89f99ce7436421ea2bd1ed5bc55476530c1a22009f.json.gz", UnsupportedFormatError),
        ("v2.4", "873275144af88e9b95ea2c59ece39b8ce5a9d7fe09774b683050098ac965054d.json.gz", UnsupportedFormatError),
        ("v2.4", "8b9aaf4fad227cde7a7dabce7ba187b0b923301718d9d40de04bdd15c9b22905.json.gz", UnsupportedFormatError),
        ("v2.4", "b1c4aa078880c579961dc5ec899b2c2e08ae5db80b4263e4ca9607a68e2faef9.json.gz", UnsupportedFormatError),
        ("v2.4", "fb7ade52dc5a1d6128b9c217114a46d0089147610f99f5122face29e429a1e74.json.gz", None),
    ],
)
def test_cape_extractor(version: str, filename: str, exception: Type[BaseException]):
    path = CAPE_DIR / version / filename

    if exception:
        with pytest.raises(exception):
            _ = fixtures.get_cape_extractor(path)
    else:
        cr = fixtures.get_cape_extractor(path)
        assert cr is not None


def test_cape_model_argument():
    call = Call.model_validate_json(
        """
        {
            "timestamp": "2023-10-20 12:30:14,015",
            "thread_id": "2380",
            "caller": "0x7797dff8",
            "parentcaller": "0x77973486",
            "category": "system",
            "api": "TestApiCall",
            "status": true,
            "return": "0x00000000",
            "arguments": [
              {
                "name": "Value Base 10",
                "value": "30"
              },
              {
                "name": "Value Base 16",
                "value": "0x30"
              }
            ],
            "repeated": 19,
            "id": 0
        }
        """
    )
    assert call.arguments[0].value == 30
    assert call.arguments[1].value == 0x30