import os

import allure
import pytest
from frostfs_testlib.s3 import AwsCliClient, Boto3ClientWrapper, S3ClientWrapper, VersioningStatus
from frostfs_testlib.steps.cli.container import search_container_by_name
from frostfs_testlib.steps.s3 import s3_helper
from frostfs_testlib.steps.storage_policy import get_simple_object_copies
from frostfs_testlib.storage.dataclasses.object_size import ObjectSize
from frostfs_testlib.testing.cluster_test_base import ClusterTestBase
from frostfs_testlib.testing.test_control import expect_not_raises
from frostfs_testlib.utils.file_utils import generate_file


def pytest_generate_tests(metafunc: pytest.Metafunc):
    policy = f"{os.getcwd()}/pytest_tests/resources/files/policy.json"
    if "s3_client" in metafunc.fixturenames:
        metafunc.parametrize(
            "s3_client, s3_policy",
            [(AwsCliClient, policy), (Boto3ClientWrapper, policy)],
            indirect=True,
            ids=["aws cli", "boto3"],
        )


@pytest.mark.s3_gate
class TestS3GatePolicy(ClusterTestBase):
    @allure.title("{s3_client}: bucket creation with retention policy applied")
    def test_s3_bucket_location(
        self, default_wallet: str, s3_client: S3ClientWrapper, simple_object_size: ObjectSize
    ):
        file_path_1 = generate_file(simple_object_size.value)
        file_name_1 = s3_helper.object_key_from_file_path(file_path_1)
        file_path_2 = generate_file(simple_object_size.value)
        file_name_2 = s3_helper.object_key_from_file_path(file_path_2)

        with allure.step("Create two buckets with different bucket configuration"):
            bucket_1 = s3_client.create_bucket(location_constraint="complex")
            s3_helper.set_bucket_versioning(s3_client, bucket_1, VersioningStatus.ENABLED)
            bucket_2 = s3_client.create_bucket(location_constraint="rep-3")
            s3_helper.set_bucket_versioning(s3_client, bucket_2, VersioningStatus.ENABLED)
            list_buckets = s3_client.list_buckets()
            assert (
                bucket_1 in list_buckets and bucket_2 in list_buckets
            ), f"Expected two buckets {bucket_1, bucket_2}, got {list_buckets}"

        with allure.step("Check head buckets"):
            with expect_not_raises():
                s3_client.head_bucket(bucket_1)
                s3_client.head_bucket(bucket_2)

        with allure.step("Put objects into buckets"):
            version_id_1 = s3_client.put_object(bucket_1, file_path_1)
            version_id_2 = s3_client.put_object(bucket_2, file_path_2)
            s3_helper.check_objects_in_bucket(s3_client, bucket_1, [file_name_1])
            s3_helper.check_objects_in_bucket(s3_client, bucket_2, [file_name_2])

        with allure.step("Check bucket location"):
            bucket_loc_1 = s3_client.get_bucket_location(bucket_1)
            bucket_loc_2 = s3_client.get_bucket_location(bucket_2)
            assert bucket_loc_1 == "complex"
            assert bucket_loc_2 == "rep-3"

        with allure.step("Check object policy"):
            cid_1 = search_container_by_name(
                default_wallet,
                bucket_1,
                shell=self.shell,
                endpoint=self.cluster.default_rpc_endpoint,
            )
            copies_1 = get_simple_object_copies(
                wallet=default_wallet,
                cid=cid_1,
                oid=version_id_1,
                shell=self.shell,
                nodes=self.cluster.storage_nodes,
            )
            assert copies_1 == 1
            cid_2 = search_container_by_name(
                default_wallet,
                bucket_2,
                shell=self.shell,
                endpoint=self.cluster.default_rpc_endpoint,
            )
            copies_2 = get_simple_object_copies(
                wallet=default_wallet,
                cid=cid_2,
                oid=version_id_2,
                shell=self.shell,
                nodes=self.cluster.storage_nodes,
            )
            assert copies_2 == 3

    @allure.title("{s3_client}: bucket with unexisting location constraint")
    def test_s3_bucket_wrong_location(self, s3_client: S3ClientWrapper):
        with allure.step("Create bucket with unenxisting location constraint policy"):
            with pytest.raises(Exception):
                s3_client.create_bucket(location_constraint="UNEXISTING LOCATION CONSTRAINT")

    @allure.title("{s3_client}: bucket policy")
    def test_s3_bucket_policy(self, s3_client: S3ClientWrapper):
        with allure.step("Create bucket with default policy"):
            bucket = s3_client.create_bucket()
            s3_helper.set_bucket_versioning(s3_client, bucket, VersioningStatus.ENABLED)

        with allure.step("GetBucketPolicy"):
            s3_client.get_bucket_policy(bucket)

        with allure.step("Put new policy"):
            custom_policy = f"file://{os.getcwd()}/pytest_tests/resources/files/bucket_policy.json"
            custom_policy = {
                "Version": "2008-10-17",
                "Id": "aaaa-bbbb-cccc-dddd",
                "Statement": [
                    {
                        "Sid": "AddPerm",
                        "Effect": "Allow",
                        "Principal": {"AWS": "*"},
                        "Action": ["s3:GetObject"],
                        "Resource": [f"arn:aws:s3:::{bucket}/*"],
                    }
                ],
            }

            s3_client.put_bucket_policy(bucket, custom_policy)
        with allure.step("GetBucketPolicy"):
            policy_1 = s3_client.get_bucket_policy(bucket)
            print(policy_1)

    @allure.title("{s3_client}: bucket CORS")
    def test_s3_cors(self, s3_client: S3ClientWrapper):
        with allure.step("Create bucket without cors"):
            bucket = s3_client.create_bucket()
            s3_helper.set_bucket_versioning(s3_client, bucket, VersioningStatus.ENABLED)

        with pytest.raises(Exception):
            bucket_cors = s3_client.get_bucket_cors(bucket)

        with allure.step("Put bucket cors"):
            cors = {
                "CORSRules": [
                    {
                        "AllowedOrigins": ["http://www.example.com"],
                        "AllowedHeaders": ["*"],
                        "AllowedMethods": ["PUT", "POST", "DELETE"],
                        "MaxAgeSeconds": 3000,
                        "ExposeHeaders": ["x-amz-server-side-encryption"],
                    },
                    {
                        "AllowedOrigins": ["*"],
                        "AllowedHeaders": ["Authorization"],
                        "AllowedMethods": ["GET"],
                        "MaxAgeSeconds": 3000,
                    },
                ]
            }
            s3_client.put_bucket_cors(bucket, cors)
            bucket_cors = s3_client.get_bucket_cors(bucket)
            assert bucket_cors == cors.get(
                "CORSRules"
            ), f"Expected CORSRules must be {cors.get('CORSRules')}"

        with allure.step("delete bucket cors"):
            s3_client.delete_bucket_cors(bucket)

        with pytest.raises(Exception):
            bucket_cors = s3_client.get_bucket_cors(bucket)