use crate::*;

#[derive(Clone)]
pub struct Tracked<T> {
    pub source: SourceSpan,
    pub value: T,
}

impl<T> Tracked<T> {
    pub fn from(value: T, source: SourceSpan) -> Self {
        Self { source, value }
    }
}

impl<T> std::ops::Deref for Tracked<T> {
    type Target = T;
    fn deref(&self) -> &T {
        &self.value
    }
}

impl<T> std::ops::DerefMut for Tracked<T> {
    fn deref_mut(&mut self) -> &mut T {
        &mut self.value
    }
}

impl<T> AsRef<T> for Tracked<T> {
    fn as_ref(&self) -> &T {
        &self.value
    }
}

impl<T> AsMut<T> for Tracked<T> {
    fn as_mut(&mut self) -> &mut T {
        &mut self.value
    }
}

impl<T: std::fmt::Display> std::fmt::Display for Tracked<T> {
    fn fmt(&self, f: &mut std::fmt::Formatter) -> Result<(), std::fmt::Error> {
        write!(f, "{}", self.value)
    }
}

impl<T: std::fmt::Debug> std::fmt::Debug for Tracked<T> {
    fn fmt(&self, f: &mut std::fmt::Formatter) -> Result<(), std::fmt::Error> {
        write!(f, "{:?}", self.value)
    }
}

impl<T: PartialEq> PartialEq for Tracked<T> {
    fn eq(&self, other: &Tracked<T>) -> bool {
        self.value.eq(&other.value)
    }
}

impl<T: Eq> Eq for Tracked<T> {}

impl<T: std::hash::Hash> std::hash::Hash for Tracked<T> {
    fn hash<H: std::hash::Hasher>(&self, h: &mut H) {
        self.value.hash(h)
    }
}

impl<T> std::borrow::Borrow<T> for Tracked<T> {
    fn borrow(&self) -> &T {
        &self.value
    }
}

impl<T> std::borrow::BorrowMut<T> for Tracked<T> {
    fn borrow_mut(&mut self) -> &mut T {
        &mut self.value
    }
}