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use core::fmt;

pub type Result<T, I2cError> = core::result::Result<T, Error<I2cError>>;

#[derive(Debug)]
pub enum Error<I2cError> {
    InvalidDevice(u8),
    InvalidMeasurementTime(u8),
    I2cError(I2cError),
}

impl<I2cError> fmt::Display for Error<I2cError>
where
    I2cError: fmt::Debug,
{
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        use Error::*;

        match self {
            InvalidDevice(v) => write!(f, "Invalid device with id {}", v),
            InvalidMeasurementTime(v) => write!(
                f,
                "Invalid measurement time: {}ms. Allowed range: [31-254]ms.",
                v
            ),
            I2cError(e) => fmt::Debug::fmt(&e, f),
        }
    }
}