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# regarding copyright ownership.  The ASF licenses this file
# to you 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
#
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# software distributed under the License is distributed on an
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# KIND, either express or implied.  See the License for the
# specific language governing permissions and limitations
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from dataclasses import dataclass, field
from typing import List, Tuple, Optional, TYPE_CHECKING

from pypaimon.manifest.schema.data_file_meta import DataFileMeta

if TYPE_CHECKING:
    from pypaimon.manifest.index_manifest_entry import IndexManifestEntry


@dataclass
class CommitMessage:
    partition: Tuple
    bucket: int
    new_files: List[DataFileMeta]
    check_from_snapshot: Optional[int] = -1
    deleted_files: List[DataFileMeta] = field(default_factory=list)
    index_adds: List['IndexManifestEntry'] = field(default_factory=list)
    index_deletes: List['IndexManifestEntry'] = field(default_factory=list)
    changelog_files: List[DataFileMeta] = field(default_factory=list)
    hash_index_base_snapshot: Optional[int] = None
    total_buckets: Optional[int] = None

    def is_empty(self):
        return (
            not self.new_files
            and not self.deleted_files
            and not self.index_adds
            and not self.index_deletes
            and not self.changelog_files
        )