use crate::impl_json_handling;

use crate::joback::JobackRecord;

use crate::parameter::ParameterError;

use pyo3::prelude::*;

/// Create a set of Joback ideal gas heat capacity parameters

/// for a segment or a pure component.

///

/// The fourth order coefficient `e` is not present in the

/// orginial publication by Joback and Reid but is required

/// for correlations for some pure components that are modeled

/// using the same polynomial approach.

///

/// Parameters

/// ----------

/// a : float

/// zeroth order coefficient

/// b : float

/// first order coefficient

/// c : float

/// second order coefficient

/// d : float

/// third order coefficient

/// e : float

/// fourth order coefficient

///

/// Returns

/// -------

/// JobackRecord

#[pyclass(name = "JobackRecord")]

#[derive(Clone)]

#[pyo3(text_signature = "(a, b, c, d, e)")]

pub struct PyJobackRecord(pub JobackRecord);

#[pymethods]

impl PyJobackRecord {

#[new]

fn new(a: f64, b: f64, c: f64, d: f64, e: f64) -> Self {

Self(JobackRecord::new(a, b, c, d, e))

}

fn __repr__(&self) -> PyResult<String> {

Ok(self.0.to_string())

}

}

impl_json_handling!(PyJobackRecord);