class PyTexError(Exception):
    def __init__(self, message, *args, **kwargs):
        self.message = message

    def __str__(self):
        return r'{prefix} ERROR: {message}'.format(
            prefix='[PyTeX]',
            message=self.message
        )


class SubmoduleDirtyForbiddenError(PyTexError):
    def __init__(self):
        super().__init__(
            "Submodule PyTeX is dirty, but writing dirty files is not allowed. "
            "Call PyTeX with '--allow-dirty' option, or commit the submodule changes.")


class ExtraHeaderFileNotFoundError(PyTexError):
    def __init__(self):
        super().__init__('Path to extra header content is invalid.')


class ProgrammingError(PyTexError):
    def __init__(self):
        super().__init__("A FATAL programming error has occurred. Please contact the developer.")


class UnknownTexVersionError(PyTexError):
    def __init__(self, tex_version: str):
        super().__init__(
            f"Unknown TeX version {tex_version}given. Only 'LaTeX2e' and 'LaTeX3' "
            f"are currently supported"
        )


class ModifiedFileInBuildDirectoryError(PyTexError):
    def __init__(self, filename: str):
        super().__init__(
            f"File '{filename}' in the build directory has been modified since the last build. "
            f"Refusing to overwrite a modified file, since you could lose your manual changes. "
            f"If you are sure you do not need this anymore, delete it manually and build again. "
            f"Note that for exactly this reason, it is strongly discouraged to edit built files directly."
        )


class UnknownFileInBuildDirectoryNoOverwriteError(PyTexError):
    def __init__(self, filename: str):
        super().__init__(
            f"Unknown file {filename} in build directory found. "
            f"PyTeX has no knowledge whether this file has been built by PyTeX. "
            f"Refusing to overwrite this file, since you could lose your data. "
            f"If you are sure, this can be got rid of, delete the file manually, "
            f"and run the build again."
        )


class UnknownFileInBuildDirectoryError(PyTexError):
    def __init__(self, filename):
        super().__init__(
            f"Detected unknown file {filename} in build directory."
            f"PyTeX has no knowledge about this, you should probably"
            f"remove it."
        )


class LatexMKError(PyTexError):
    def __init__(self, filename):
        super().__init__(
            f"Running latexmk on file {filename} resulted in an error. "
            f"Make sure this file is well-formed and an appropriate "
            f"'.latexmkrc' is present in its directory."
        )


class FileNotGeneratedFromDTXFileError(PyTexError):
    def __init__(self, filename, type):
        super().__init__(
            f"Running latexmk on {filename} did not produce a LaTeX "
            f"{type} file as needed. I do not know how to build "
            f"a {type} from this '.dtx' file."
        )