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use std::{env::VarError, error::Error, sync::PoisonError};

use diagnostic::DiagnosticLevel;

use crate::{QError, QErrorKind, RuntimeError};

impl<E> From<&E> for RuntimeError
where
    E: Error,
{
    fn from(error: &E) -> Self {
        RuntimeError { message: error.to_string() }
    }
}

impl QError {
    pub(crate) fn wrap_runtime_error<E: Error + 'static>(error: E) -> Self {
        QError { error: Box::new(QErrorKind::Runtime(RuntimeError::from(&error))), level: DiagnosticLevel::Error }
    }
}

impl From<std::fmt::Error> for QError {
    fn from(error: std::fmt::Error) -> Self {
        QError::wrap_runtime_error(error)
    }
}

impl<T> From<PoisonError<T>> for QError {
    fn from(error: PoisonError<T>) -> Self {
        QError { error: Box::new(QErrorKind::Runtime(RuntimeError::from(&error))), level: DiagnosticLevel::Error }
    }
}

impl From<VarError> for QError {
    fn from(error: VarError) -> Self {
        QError::wrap_runtime_error(error)
    }
}

impl From<&str> for QError {
    fn from(error: &str) -> Self {
        QError::runtime_error(error)
    }
}

impl From<String> for QError {
    fn from(error: String) -> Self {
        QError::runtime_error(error)
    }
}

impl From<()> for QError {
    fn from(_: ()) -> Self {
        // Self::unreachable()
        todo!()
    }
}