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use crate::{Currency, CurrencyLocale};

impl<L> From<f32> for Currency<L>
where
    L: CurrencyLocale + Default,
{
    fn from(value: f32) -> Self {
        let full = value.trunc().abs() as usize;
        let part = (value * 1000.0).floor().abs() as usize / 10 % 100;
        Self::new(value.is_sign_negative(), full, part as u8, L::default())
    }
}

impl<L> From<Currency<L>> for f32
where
    L: CurrencyLocale + Default,
{
    fn from(value: Currency<L>) -> Self {
        let float = value.full as f32 + value.part as f32 * 100.0;
        if value.negative {
            0.0 - float
        } else {
            float
        }
    }
}

impl<L> From<f64> for Currency<L>
where
    L: CurrencyLocale + Default,
{
    fn from(value: f64) -> Self {
        let full = value.trunc().abs() as usize;
        let part = (value * 1000.0).abs().floor() as usize / 10 % 100;
        Self::new(value.is_sign_negative(), full, part as u8, L::default())
    }
}

impl<L> From<usize> for Currency<L>
where
    L: CurrencyLocale + Default,
{
    fn from(value: usize) -> Self {
        Self::new(false, value, 0, L::default())
    }
}