use image::ImageError;
use std::ffi::NulError;
use std::str::Utf8Error;

#[derive(Debug)]
pub enum Error {
    ShaderContainsNul(NulError),
    ShaderCompilationFailure(String),
    ShaderProgramLinkFailure(String),
    InfoLogEncodingError(Utf8Error),
    TextureLoadError(ImageError),
    TextureParseError,
}

impl From<Utf8Error> for Error {
    fn from(utf8err: Utf8Error) -> Self {
        Error::InfoLogEncodingError(utf8err)
    }
}

impl From<NulError> for Error {
    fn from(nul_err: NulError) -> Self {
        Error::ShaderContainsNul(nul_err)
    }
}

impl From<ImageError> for Error {
    fn from(image_err: ImageError) -> Self {
        Error::TextureLoadError(image_err)
    }
}