import time
from datetime import datetime, timedelta

import allure
import pytest
from frostfs_testlib import reporter
from frostfs_testlib.s3 import S3ClientWrapper
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, generate_file_with_content


@allure.title("[Module] Create bucket with object_lock_enabled_for_bucket")
@pytest.fixture(scope="module")
def bucket_w_lock(s3_client: S3ClientWrapper):
    return s3_client.create_bucket(object_lock_enabled_for_bucket=True)


@allure.title("[Module] Create bucket without object_lock_enabled_for_bucket")
@pytest.fixture(scope="module")
def bucket_no_lock(s3_client: S3ClientWrapper):
    return s3_client.create_bucket(object_lock_enabled_for_bucket=False)


@pytest.mark.nightly
@pytest.mark.s3_gate
@pytest.mark.s3_gate_locking
@pytest.mark.parametrize("version_id", [None, "second"])
class TestS3GateLocking:
    @allure.title("Retention period and legal lock on object (version_id={version_id}, s3_client={s3_client})")
    def test_s3_object_locking(self, s3_client: S3ClientWrapper, bucket_w_lock: str, version_id: str, simple_object_size: ObjectSize):
        file_path = generate_file(simple_object_size.value)
        file_name = s3_helper.object_key_from_file_path(file_path)
        retention_period = 2

        with reporter.step("Put several versions of object into bucket"):
            s3_client.put_object(bucket_w_lock, file_path)
            file_name_1 = generate_file_with_content(simple_object_size.value, file_path=file_path)
            version_id_2 = s3_client.put_object(bucket_w_lock, file_name_1)
            if version_id:
                version_id = version_id_2

        with reporter.step(f"Put retention period {retention_period}min to object {file_name}"):
            date_obj = datetime.utcnow() + timedelta(minutes=retention_period)
            retention = {
                "Mode": "COMPLIANCE",
                "RetainUntilDate": date_obj,
            }
            s3_client.put_object_retention(bucket_w_lock, file_name, retention, version_id)
            s3_helper.assert_object_lock_mode(s3_client, bucket_w_lock, file_name, "COMPLIANCE", date_obj, "OFF")

        with reporter.step(f"Put legal hold to object {file_name}"):
            s3_client.put_object_legal_hold(bucket_w_lock, file_name, "ON", version_id)
            s3_helper.assert_object_lock_mode(s3_client, bucket_w_lock, file_name, "COMPLIANCE", date_obj, "ON")

        with reporter.step("Fail with deleting object with legal hold and retention period"):
            if version_id:
                with pytest.raises(Exception):
                    # An error occurred (AccessDenied) when calling the DeleteObject operation (reached max retries: 0): Access Denied.
                    s3_client.delete_object(bucket_w_lock, file_name, version_id)

        with reporter.step("Check retention period is no longer set on the uploaded object"):
            time.sleep((retention_period + 1) * 60)
            s3_helper.assert_object_lock_mode(s3_client, bucket_w_lock, file_name, "COMPLIANCE", date_obj, "ON")

        with reporter.step("Fail with deleting object with legal hold and retention period"):
            if version_id:
                with pytest.raises(Exception):
                    # An error occurred (AccessDenied) when calling the DeleteObject operation (reached max retries: 0): Access Denied.
                    s3_client.delete_object(bucket_w_lock, file_name, version_id)
            else:
                s3_client.delete_object(bucket_w_lock, file_name, version_id)

    @allure.title("Impossible to change retention mode COMPLIANCE (version_id={version_id}, s3_client={s3_client})")
    def test_s3_mode_compliance(self, s3_client: S3ClientWrapper, bucket_w_lock: str, version_id: str, simple_object_size: ObjectSize):
        file_path = generate_file(simple_object_size.value)
        file_name = s3_helper.object_key_from_file_path(file_path)
        retention_period = 2
        retention_period_1 = 1

        with reporter.step("Put object into bucket"):
            obj_version = s3_client.put_object(bucket_w_lock, file_path)
            if version_id:
                version_id = obj_version

        with reporter.step(f"Put retention period {retention_period}min to object {file_name}"):
            date_obj = datetime.utcnow() + timedelta(minutes=retention_period)
            retention = {
                "Mode": "COMPLIANCE",
                "RetainUntilDate": date_obj,
            }
            s3_client.put_object_retention(bucket_w_lock, file_name, retention, version_id)
            s3_helper.assert_object_lock_mode(s3_client, bucket_w_lock, file_name, "COMPLIANCE", date_obj, "OFF")

        with reporter.step(f"Try to change retention period {retention_period_1}min to object {file_name}"):
            date_obj = datetime.utcnow() + timedelta(minutes=retention_period_1)
            retention = {
                "Mode": "COMPLIANCE",
                "RetainUntilDate": date_obj,
            }
            with pytest.raises(Exception):
                s3_client.put_object_retention(bucket_w_lock, file_name, retention, version_id)

    @allure.title("Change retention mode GOVERNANCE (version_id={version_id}, s3_client={s3_client})")
    def test_s3_mode_governance(self, s3_client: S3ClientWrapper, bucket_w_lock: str, version_id: str, simple_object_size: ObjectSize):
        file_path = generate_file(simple_object_size.value)
        file_name = s3_helper.object_key_from_file_path(file_path)
        retention_period = 3
        retention_period_1 = 2
        retention_period_2 = 5

        with reporter.step("Put object into bucket"):
            obj_version = s3_client.put_object(bucket_w_lock, file_path)
            if version_id:
                version_id = obj_version

        with reporter.step(f"Put retention period {retention_period}min to object {file_name}"):
            date_obj = datetime.utcnow() + timedelta(minutes=retention_period)
            retention = {
                "Mode": "GOVERNANCE",
                "RetainUntilDate": date_obj,
            }
            s3_client.put_object_retention(bucket_w_lock, file_name, retention, version_id)
            s3_helper.assert_object_lock_mode(s3_client, bucket_w_lock, file_name, "GOVERNANCE", date_obj, "OFF")

        with reporter.step(f"Try to change retention period {retention_period_1}min to object {file_name}"):
            date_obj = datetime.utcnow() + timedelta(minutes=retention_period_1)
            retention = {
                "Mode": "GOVERNANCE",
                "RetainUntilDate": date_obj,
            }
            with pytest.raises(Exception):
                s3_client.put_object_retention(bucket_w_lock, file_name, retention, version_id)

        with reporter.step(f"Try to change retention period {retention_period_1}min to object {file_name}"):
            date_obj = datetime.utcnow() + timedelta(minutes=retention_period_1)
            retention = {
                "Mode": "GOVERNANCE",
                "RetainUntilDate": date_obj,
            }
            with pytest.raises(Exception):
                s3_client.put_object_retention(bucket_w_lock, file_name, retention, version_id)

        with reporter.step(f"Put new retention period {retention_period_2}min to object {file_name}"):
            date_obj = datetime.utcnow() + timedelta(minutes=retention_period_2)
            retention = {
                "Mode": "GOVERNANCE",
                "RetainUntilDate": date_obj,
            }
            s3_client.put_object_retention(bucket_w_lock, file_name, retention, version_id, True)
            s3_helper.assert_object_lock_mode(s3_client, bucket_w_lock, file_name, "GOVERNANCE", date_obj, "OFF")

    @allure.title("[NEGATIVE] Lock object in bucket with disabled locking (version_id={version_id}, s3_client={s3_client})")
    def test_s3_legal_hold(self, s3_client: S3ClientWrapper, bucket_no_lock: str, version_id: str, 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("Put object into bucket"):
            obj_version = s3_client.put_object(bucket_no_lock, file_path)
            if version_id:
                version_id = obj_version

        with reporter.step(f"Put legal hold to object {file_name}"):
            with pytest.raises(Exception):
                s3_client.put_object_legal_hold(bucket_no_lock, file_name, "ON", version_id)


@pytest.mark.nightly
@pytest.mark.s3_gate
class TestS3GateLockingBucket:
    @allure.title("Bucket Lock (s3_client={s3_client})")
    def test_s3_bucket_lock(self, s3_client: S3ClientWrapper, bucket_w_lock: str, simple_object_size: ObjectSize):
        file_path = generate_file(simple_object_size.value)
        file_name = s3_helper.object_key_from_file_path(file_path)
        configuration = {"Rule": {"DefaultRetention": {"Mode": "COMPLIANCE", "Days": 1}}}

        with reporter.step("PutObjectLockConfiguration with ObjectLockEnabled=False"):
            s3_client.put_object_lock_configuration(bucket_w_lock, configuration)

        with reporter.step("PutObjectLockConfiguration with ObjectLockEnabled=True"):
            configuration["ObjectLockEnabled"] = "Enabled"
            s3_client.put_object_lock_configuration(bucket_w_lock, configuration)

        with reporter.step("GetObjectLockConfiguration"):
            config = s3_client.get_object_lock_configuration(bucket_w_lock)
            configuration["Rule"]["DefaultRetention"]["Years"] = 0
            assert config == configuration, f"Configurations must be equal {configuration}"

        with reporter.step("Put object into bucket"):
            s3_client.put_object(bucket_w_lock, file_path)
            s3_helper.assert_object_lock_mode(s3_client, bucket_w_lock, file_name, "COMPLIANCE", None, "OFF", 1)