use crate::math::complex::Complex;

pub fn add(a: Complex, b: Complex) -> Complex {
    a + b
}

pub fn sub(a: Complex, b: Complex) -> Complex {
    a - b
}

pub fn mul(a: Complex, b: Complex) -> Complex {
    a * b
}

pub fn div(a: Complex, b: Complex) -> Complex {
    a / b
}

pub fn pow(a: Complex, b: Complex) -> Complex {
    a.pow(b)
}

pub fn sqrt(a: Complex) -> Complex {
    a.sqrt()
}

pub fn sin(a: Complex) -> Complex {
    a.sin()
}

pub fn cos(a: Complex) -> Complex {
    a.cos()
}

pub fn tan(a: Complex) -> Complex {
    a.tan()
}

#[macro_export]
macro_rules! commonsense_functions {
    {$($x:expr => $y:expr), *} => {
        {
            use std::sync::Arc;
            let mut h : HashMap<String, Arc<dyn Function>> = HashMap::new();
            h.extend(functions!{
                "sqrt" => &$crate::math::commonsense::sqrt,
                "sin" => &$crate::math::commonsense::sin,
                "cos" => &$crate::math::commonsense::cos,
                "tan" => &$crate::math::commonsense::tan
            });
            $(
                h.insert($x.to_string(), Arc::new($y));
            )*
            h
        }
    };
}

#[macro_export]
macro_rules! commonsense_operations {
    {$($x:expr => $y:expr), *} => {
        vec![
            Operation::new('+', $crate::math::commonsense::add),
            Operation::new('-', $crate::math::commonsense::sub),
            Operation::new('*', $crate::math::commonsense::mul),
            Operation::new('/', $crate::math::commonsense::div),
            Operation::new('^', $crate::math::commonsense::pow)
        $(
            Operation::new($x, Box::new($y)),
        )*]
    };
}

#[macro_export]
macro_rules! commonsense_variables {
    {$($x:expr => $y:expr), *} => {
        {
            let mut h : HashMap<String, Complex> = HashMap::new();
            h.extend(variables!{
                "pi" => Complex::new(std::f64::consts::PI, 0.0),
                "e" => Complex::new(std::f64::consts::E, 0.0)
            });
            $(
                h.insert($x.to_string(), $y);
            )*
            h
        }
    };
}