from pathlib import Path
from enum import Enum
from PyTeX.config.global_config import GlobalPyTeXConfig


class PyTeXRootDir(Enum):
    BUILD = 1
    SOURCE = 2
    DOC = 3
    TEX = 4


class RelativePath:
    def __init__(self, path: Path):
        self._path: Path = path

    @property
    def path(self) -> Path:
        return self._path

    def absolute_path(self, pytex_root_dir: PyTeXRootDir) -> Path:
        root: Path = {
            PyTeXRootDir.BUILD: GlobalPyTeXConfig.build_root(),
            PyTeXRootDir.SOURCE: GlobalPyTeXConfig.source_root(),
            PyTeXRootDir.DOC: GlobalPyTeXConfig.doc_root(),
            PyTeXRootDir.TEX: GlobalPyTeXConfig.tex_root()
        }[pytex_root_dir]
        return root / self._path

    def __eq__(self, other):
        return self.path == other.path

    def __str__(self):
        return str(self.path)