// MIT License
//
// Copyright © 2020-present, Michael Cummings <mgcummings@yahoo.com>.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
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// furnished to do so, subject to the following conditions:
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// The above copyright notice and this permission notice shall be included in all
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// SOFTWARE.
//! A common set of error and result type used in the library.

use thiserror::Error;

/// Provides a shared set of error types.
#[derive(Error, Debug)]
pub enum AdxlError {
    /// Used when given address (offset) is read-only, reserved, or unknown.
    #[error("Attempted illegal write to address {0}")]
    IllegalWriteAddress(u8),
    /// Used if under-laying IO Error happens.
    #[error("IO write failed")]
    Write(#[from] std::io::Error),
}

impl From<AdxlError> for std::io::Error {
    fn from(ad: AdxlError) -> Self {
        ad.into()
    }
}

/// Result type used when return value is needed from methods in library.
pub type AdxlResult<T> = std::result::Result<T, AdxlError>;

/// Result type used when return value is _NOT_ needed from methods in library.
pub type Result = std::result::Result<(), AdxlError>;