"""Package model representing an RPM package."""

from dataclasses import dataclass
from pathlib import Path
from typing import Optional


@dataclass
class Package:
    """Represents an RPM package from a Rocky Linux repository.

    Attributes:
        name: Package name (e.g., 'bash')
        version: Package version
        release: Package release
        arch: Architecture (e.g., 'x86_64', 'noarch')
        repo_type: Repository type ('BaseOS' or 'AppStream')
        location: Relative path in repo (e.g., 'Packages/b/bash-5.1.8-6.el9.x86_64.rpm')
        baseurl: Base URL of the repository
        checksum: Package checksum for verification
        checksum_type: Type of checksum (e.g., 'sha256')
        download_path: Local path where package is downloaded
        has_manpages: Whether this package contains man pages
    """

    name: str
    version: str
    release: str
    arch: str
    repo_type: str
    location: str
    baseurl: str
    checksum: str
    checksum_type: str
    has_manpages: bool = False
    download_path: Optional[Path] = None

    @property
    def filename(self) -> str:
        """Get the RPM filename from the location."""
        return self.location.split("/")[-1]

    @property
    def download_url(self) -> str:
        """Get the full download URL for this package."""
        return f"{self.baseurl.rstrip('/')}/{self.location.lstrip('/')}"

    @property
    def nvra(self) -> str:
        """Get the Name-Version-Release-Arch identifier."""
        return f"{self.name}-{self.version}-{self.release}.{self.arch}"

    def __lt__(self, other):
        """Enable sorting packages by name."""
        return self.name < other.name

    def __str__(self):
        return f"{self.nvra} ({self.repo_type})"