use rand::Rng;

pub struct Coin;

impl Coin {
    pub fn flip(probability: f32) -> bool {
        if probability >= 1.0 {
            return true;
        }

        if probability <= 0.0 {
            return false;
        }

        let random_number = Self::raw();

        probability > random_number
    }

    pub fn raw() -> f32 {
        rand::thread_rng().gen_range(0.0..1.0)
    }
}

pub struct Random;

impl Random {
    pub fn range(low: u32, high: u32) -> u32 {
        if low == high {
            return low;
        }

        rand::thread_rng().gen_range(low..high)
    }

    pub fn range_f32(low: f32, high: f32) -> f32 {
        if low == high {
            return low;
        }

        rand::thread_rng().gen_range(low..high)
    }
}