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# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
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#
#   http://www.apache.org/licenses/LICENSE-2.0
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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
    index_deletes: List['IndexManifestEntry'] = field(default_factory=list)
    changelog_files: List[DataFileMeta] = field(default_factory=list)

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