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use std::cmp::Ordering;
use std::hash::{Hash, Hasher};
use std::ops::{Deref, DerefMut};

use serde::{Deserialize, Serialize};

#[derive(Debug, Serialize, Deserialize)]
pub struct Id<T> {
    id: usize,
    inner: T,
}

impl<T> Id<T> {
    #[inline]
    pub fn new(id: usize, inner: T) -> Self {
        Self { id, inner }
    }

    #[inline]
    pub fn id(&self) -> usize {
        self.id
    }

    #[inline]
    pub fn set_id(&mut self, id: usize) {
        self.id = id;
    }
}

impl<T> Clone for Id<T>
where
    T: Clone,
{
    fn clone(&self) -> Self {
        Self {
            id: self.id,
            inner: self.inner.clone(),
        }
    }
}

impl<T> PartialOrd for Id<T> {
    #[inline]
    fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
        Some(self.cmp(other))
    }
}

impl<T> Ord for Id<T> {
    #[inline]
    fn cmp(&self, other: &Self) -> Ordering {
        self.id.cmp(&other.id)
    }
}

impl<T> PartialEq for Id<T> {
    #[inline]
    fn eq(&self, other: &Self) -> bool {
        self.id == other.id
    }
}

impl<T> Eq for Id<T> {}

impl<T> Hash for Id<T> {
    #[inline]
    fn hash<H: Hasher>(&self, state: &mut H) {
        state.write_usize(self.id)
    }
}

impl<T> Deref for Id<T> {
    type Target = T;

    #[inline]
    fn deref(&self) -> &Self::Target {
        &self.inner
    }
}

impl<T> DerefMut for Id<T> {
    #[inline]
    fn deref_mut(&mut self) -> &mut Self::Target {
        &mut self.inner
    }
}