from datetime import datetime, timedelta

import allure
import pytest
from frostfs_testlib import reporter
from frostfs_testlib.s3 import S3ClientWrapper, VersioningStatus
from frostfs_testlib.steps.s3 import s3_helper
from frostfs_testlib.storage.dataclasses.object_size import ObjectSize
from frostfs_testlib.utils.file_utils import generate_file


@pytest.mark.s3_gate
@pytest.mark.s3_gate_bucket
class TestS3GateBucket:
    @allure.title("Bucket API (s3_client={s3_client})")
    def test_s3_buckets(
        self,
        s3_client: S3ClientWrapper,
        simple_object_size: ObjectSize,
    ):
        """
        Test base S3 Bucket API (Create/List/Head/Delete).
        """

        file_path = generate_file(simple_object_size.value)
        file_name = s3_helper.object_key_from_file_path(file_path)

        with reporter.step("Create buckets"):
            bucket_1 = s3_client.create_bucket(object_lock_enabled_for_bucket=True)
            s3_helper.set_bucket_versioning(s3_client, bucket_1, VersioningStatus.ENABLED)
            bucket_2 = s3_client.create_bucket()

        with reporter.step("Check buckets are presented in the system"):
            buckets = s3_client.list_buckets()
            assert bucket_1 in buckets, f"Expected bucket {bucket_1} is in the list"
            assert bucket_2 in buckets, f"Expected bucket {bucket_2} is in the list"

        with reporter.step("Bucket must be empty"):
            for bucket in (bucket_1, bucket_2):
                with reporter.step("Verify default list command"):
                    objects_list = s3_client.list_objects(bucket)
                    assert not objects_list, f"Expected empty bucket, got {objects_list}"

                with reporter.step("Verify V2 list command"):
                    objects_list = s3_client.list_objects_v2(bucket)
                    assert not objects_list, f"Expected empty bucket, got {objects_list}"

        with reporter.step("Check buckets are visible with S3 head command"):
            s3_client.head_bucket(bucket_1)
            s3_client.head_bucket(bucket_2)

        with reporter.step("Check we can put/list object with S3 commands"):
            version_id = s3_client.put_object(bucket_1, file_path)
            s3_client.head_object(bucket_1, file_name)

            bucket_objects = s3_client.list_objects(bucket_1)
            assert file_name in bucket_objects, f"Expected file {file_name} in objects list {bucket_objects}"

        with reporter.step("Try to delete not empty bucket and get error"):
            with pytest.raises(Exception, match=r".*The bucket you tried to delete is not empty.*"):
                s3_client.delete_bucket(bucket_1)

            s3_client.head_bucket(bucket_1)

        with reporter.step(f"Delete empty bucket {bucket_2}"):
            s3_client.delete_bucket(bucket_2)

        with reporter.step(f"Check bucket {bucket_2} deleted"):
            with pytest.raises(Exception, match=r".*Not Found.*"):
                s3_client.head_bucket(bucket_2)

            buckets = s3_client.list_buckets()
            assert bucket_1 in buckets, f"Expected bucket {bucket_1} is in the list"
            assert bucket_2 not in buckets, f"Expected bucket {bucket_2} is not in the list"

        with reporter.step(f"Delete object from {bucket_1}"):
            s3_client.delete_object(bucket_1, file_name, version_id)
            s3_helper.check_objects_in_bucket(s3_client, bucket_1, expected_objects=[])

        with reporter.step(f"Delete bucket {bucket_1}"):
            s3_client.delete_bucket(bucket_1)

        with reporter.step(f"Check bucket {bucket_1} deleted"):
            with pytest.raises(Exception, match=r".*Not Found.*"):
                s3_client.head_bucket(bucket_1)

    @allure.title("Create bucket with object lock (s3_client={s3_client})")
    def test_s3_bucket_object_lock(self, s3_client: S3ClientWrapper, simple_object_size: ObjectSize):
        file_path = generate_file(simple_object_size.value)
        file_name = s3_helper.object_key_from_file_path(file_path)

        with reporter.step("Create bucket with --no-object-lock-enabled-for-bucket"):
            bucket = s3_client.create_bucket(object_lock_enabled_for_bucket=False)
            date_obj = datetime.utcnow() + timedelta(days=1)
            with pytest.raises(Exception, match=r".*Object Lock configuration does not exist for this bucket.*"):
                # An error occurred (ObjectLockConfigurationNotFoundError) when calling the PutObject operation (reached max retries: 0):
                # Object Lock configuration does not exist for this bucket
                s3_client.put_object(
                    bucket,
                    file_path,
                    object_lock_mode="COMPLIANCE",
                    object_lock_retain_until_date=date_obj.strftime("%Y-%m-%dT%H:%M:%S"),
                )
        with reporter.step("Create bucket with --object-lock-enabled-for-bucket"):
            bucket_1 = s3_client.create_bucket(object_lock_enabled_for_bucket=True)
            date_obj_1 = datetime.utcnow() + timedelta(days=1)
            s3_client.put_object(
                bucket_1,
                file_path,
                object_lock_mode="COMPLIANCE",
                object_lock_retain_until_date=date_obj_1.strftime("%Y-%m-%dT%H:%M:%S"),
                object_lock_legal_hold_status="ON",
            )
            s3_helper.assert_object_lock_mode(s3_client, bucket_1, file_name, "COMPLIANCE", date_obj_1, "ON")

    @allure.title("Delete bucket (s3_client={s3_client})")
    def test_s3_delete_bucket(self, 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)
        bucket = s3_client.create_bucket()

        with reporter.step("Put two objects into bucket"):
            s3_client.put_object(bucket, file_path_1)
            s3_client.put_object(bucket, file_path_2)
            s3_helper.check_objects_in_bucket(s3_client, bucket, [file_name_1, file_name_2])

        with reporter.step("Try to delete not empty bucket and get error"):
            with pytest.raises(Exception, match=r".*The bucket you tried to delete is not empty.*"):
                s3_client.delete_bucket(bucket)

        with reporter.step("Delete object in bucket"):
            s3_client.delete_object(bucket, file_name_1)
            s3_client.delete_object(bucket, file_name_2)
            s3_helper.check_objects_in_bucket(s3_client, bucket, [])

        with reporter.step("Delete empty bucket"):
            s3_client.delete_bucket(bucket)
            with pytest.raises(Exception, match=r".*Not Found.*"):
                s3_client.head_bucket(bucket)