"""Protocol definitions for the shared package"""
from typing import Protocol, Any
from pathlib import Path
from dataclasses import dataclass
from datetime import datetime


@dataclass
class FileRecord:
    """Core file record with all metadata"""
    path: Path
    size: int
    modified_time: float
    created_time: float
    disk_label: str
    checksum: str | None = None
    status: str = 'indexed'  # indexed, planned, moved, verified
    category: str | None = None
    duplicate_of: str | None = None


@dataclass
class OperationRecord:
    """Record of a migration operation"""
    source_path: Path
    target_path: Path
    operation_type: str  # move, copy, hardlink, symlink
    status: str = 'pending'  # pending, in_progress, completed, failed
    error: str | None = None
    executed_at: datetime | None = None
    verified: bool = False


class IDatabase(Protocol):
    """Protocol for database operations"""

    def store_file(self, file_record: FileRecord) -> None:
        """Store a file record"""
        ...

    def get_files_by_disk(self, disk: str) -> list[FileRecord]:
        """Get all files on a specific disk"""
        ...

    def store_operation(self, operation: OperationRecord) -> None:
        """Store an operation record"""
        ...

    def get_pending_operations(self) -> list[OperationRecord]:
        """Get all pending operations"""
        ...


class ILogger(Protocol):
    """Protocol for logging operations"""

    def info(self, message: str) -> None:
        ...

    def warning(self, message: str) -> None:
        ...

    def error(self, message: str) -> None:
        ...

    def debug(self, message: str) -> None:
        ...