type Integer = i32;
type Float = f32;

struct Penis {
    name :String,
    lengthCur :Float,
    lengthReal :Float,
    lengthMax :Float,
    insertions :Integer,
    sperms: Integer,
    flags: u32,
    //vagina: Option<&Vagina>,
}

struct Vagina {
    name :String,
    profundidade :Integer,
    //penis: Option<&Penis>,
}

struct Sex {
    startedAt :Integer,
}

const NORMAL_SIZE: u32 = 0b000000001u32;
const HUGEST_SIZE: u32 = 0b000000010u32;

impl Penis {

    fn erection(&mut self) {
        if self.flags & HUGEST_SIZE != 0 {
            println!("{}: I'm so enormooous!!!", self.name);
        } else {
            self.flags &= !NORMAL_SIZE;
            self.lengthCur *= 1.2;
            if self.lengthCur > self.lengthMax {
                self.lengthCur = self.lengthMax;
                self.flags |= HUGEST_SIZE;
                println!("{}: It's in its hugest size!!!", self.name);
            }
        }
    }

    fn reverse_erection(&mut self) {
        if self.flags & NORMAL_SIZE == 0 {
            self.flags &= !HUGEST_SIZE;
            self.lengthCur *= 0.9;
            if self.lengthCur <= self.lengthReal {
                self.lengthCur = self.lengthReal;
                self.flags |= NORMAL_SIZE;
                println!("{}: shrinked to it's normal size!!!", self.name);
            }
        }
    }

    fn insert(&mut self) {

        self.insertions += 1;

        if self.insertions > 30 {
            self.insertions = 0;
            self.sperms -= 1;
            println!("{}: Ejaculating!!!", self.name);
        }
    }

    fn new(name :&str) -> Penis {

        let mut penis = Penis {
            name: String::from(name),
            lengthReal: 5.,
            lengthCur: 0.,
            lengthMax: 0.,
            insertions: 0,
            sperms: 1000,
            flags: 0u32,
            //vagina: None,
            };

        penis.lengthCur = penis.lengthReal;
        penis.lengthMax = penis.lengthReal * 1.7;

        penis
    }

}

impl Vagina {

    fn new(name :&str) -> Vagina {

        let mut vagina = Vagina {
            name: String::from(name),
            profundidade: 10,
            //penis: None,
            };

        vagina
    }
}

fn main() {

    let mut penis = Penis::new("Men");
    let mut vagina = Vagina::new("Woman");

    let mut sex = Sex {
        startedAt: 0,
        };

    println!("Let's do it!!!");

    println!("{} meets {}!!!", penis.name, vagina.name);

    for _ in 0 .. 100 {
        penis.erection();
        penis.insert();
    }

    for _ in 0 .. 20 {
        penis.reverse_erection();
    }
}