use crate::error::unexpected;

mod descr;
pub use self::descr::Descr;
pub mod store;

#[derive(thiserror::Error, Debug)]
pub enum ReadFileIntoError {
    #[error("file not found")]
    FileNotFound,

    #[error(transparent)]
    Unexpected(#[from] unexpected::Error),
}

#[mockall::automock]
/// Describes an origin which has already been synced locally and is available for reading files
/// from.
pub trait Origin {
    fn descr(&self) -> &Descr;
    fn read_file_into(
        &self,
        path: &str,
        into: &mut dyn std::io::Write,
    ) -> Result<(), ReadFileIntoError>;
}