from dataclasses import dataclass
from pathlib import Path


@dataclass(frozen=True)
class TrackReference:
    """A track path referenced by a Serato crate."""

    source: Path
    path: Path
    filename: str


@dataclass(frozen=True)
class ReferenceResult:
    """The filename-level reconciliation result for a crate reference."""

    reference: TrackReference
    exists_by_filename: bool

    def as_row(self) -> dict:
        return {
            "crate": str(self.reference.source),
            "serato_path": str(self.reference.path),
            "filename": self.reference.filename,
            "exists_by_filename": self.exists_by_filename,
        }