use std::time::SystemTime;

#[derive(Serialize, Deserialize, Debug, Clone, PartialEq)]
pub enum RefineryStatus {
    None,
    Refining,
    Refined,
}

#[derive(Serialize, Deserialize, Debug, Clone)]
pub struct Refinery {
    time        : u64,
    start       : Option<SystemTime>,
    pub status  : RefineryStatus,
}

impl Refinery {
    pub fn new() -> Refinery {
        Refinery {
            time    : 5,
            start   : None,
            status  : RefineryStatus::None,
        }
    }

    pub fn process(&mut self) {
        if let Some(timer) = self.start.clone() {
            if timer.elapsed().unwrap().as_secs() > self.time {
                self.status = RefineryStatus::Refined;
                self.start = Some(SystemTime::now());
            }
        }
    }

    pub fn toggle(&mut self) {
        match self.status {
            RefineryStatus::None => self.on(),
            _ => self.off(),
        };
    }

    pub fn on(&mut self) {
        self.start = Some(SystemTime::now());
        self.status = RefineryStatus::Refining;
    }

    pub fn off(&mut self) {
        self.start = None;
        self.status = RefineryStatus::None;
    }

    pub fn take(&mut self) {
        self.status = RefineryStatus::Refining;
    }
}