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use ordered_float::OrderedFloat;
#[cfg(feature="serialization")]
use serde::ser::{Serialize, Serializer};

use std::fmt;
use std::cmp::{PartialOrd, Ord, PartialEq, Eq, Ordering};
use std::ops::Deref;
use std::convert;


/// Representation of Tax value
#[derive(Copy, Clone, Debug)]
pub struct Tax(OrderedFloat<f64>);

impl Tax {
    pub fn new(value: f64) -> Self {
        Tax(OrderedFloat(value))
    }

    pub fn value(&self) -> f64 {
        *self.0.as_ref()
    }
}

#[cfg(feature="serialization")]
impl Serialize for Tax{
    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
        where S: Serializer
    {
        self.0.as_ref().to_string().serialize(serializer)
    }
}

impl Ord for Tax {
    fn cmp(&self, other: &Self) -> Ordering {
        self.0.cmp(&other.0)
    }
}

impl Eq for Tax {}

impl PartialEq for Tax {
    fn eq(&self, other: &Self) -> bool {
        self.0.eq(&other.0)
    }
}
impl PartialOrd for Tax {
    fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
        self.0.partial_cmp(&other.0)
    }
}

impl Deref for Tax {
    type Target = OrderedFloat<f64>;
    fn deref(&self) -> &OrderedFloat<f64> {
        &self.0
    }
}

impl fmt::Display for Tax {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        write!(f, "{}", self.0)
    }
}


impl convert::Into<f64> for Tax {
    fn into(self) -> f64 {
        self.0.into_inner()
    }
}


impl convert::From<f64> for Tax {
    fn from(value:f64) -> Tax {
        Tax::new(value)
    }
}