superfusion 0.1.5

use std::path::PathBuf;
use thiserror::Error;
use super::index::Index;

/// Internal Error
#[derive(Debug, Error)]
pub enum Error {
	/// Failed to write file to the given path
	#[error("Unable to write data to {path}")]
	Write {
		path: PathBuf,
		#[source]
		source: std::io::Error,
	},

	/// Failed to create parent directory of the given path
	#[error("Unable to get the parent of this path {path}")]
	Parent { path: PathBuf },

	/// Failed to get filename of the given path
	#[error("Unable to get filename of this path {path}")]
	NoFileName { path: PathBuf },

	/// Failed to create directories leading to the given path
	#[error("Unable to create directory from this path {path}")]
	CreateDirAll {
		path: PathBuf,
		#[source]
		source: std::io::Error,
	},

	#[error("Unknown index: {index}")]
	UnknownIndex { index: Index },

	#[error(transparent)]
	Custom(Box<dyn std::error::Error + Sync + Send>)
}

impl Error {
	pub fn unknown_index(index: Index) -> Self {
		Error::UnknownIndex { index }
	}

	pub fn write(path: impl Into<PathBuf>, source: std::io::Error) -> Self {
		Error::Write {
			path: path.into(),
			source,
		}
	}

	pub fn parent(path: impl Into<PathBuf>) -> Self {
		Error::Parent { path: path.into() }
	}

	pub fn filename(path: impl Into<PathBuf>) -> Self {
		Error::NoFileName { path: path.into() }
	}

	pub fn dir_all(path: impl Into<PathBuf>, source: std::io::Error) -> Self {
		Error::CreateDirAll {
			path: path.into(),
			source,
		}
	}

	pub fn custom(error: impl std::error::Error + Send + Sync + 'static) -> Self {
		let error = Box::new(error);
		Error::Custom(error)
	}
}