use std::io::Result;
use crate::configuration::Configuration;

pub struct Version;

impl Version {
    pub fn new() -> Self {
        Version
    }
}

impl super::Command for Version {
    fn before_dependencies(&self) -> Vec<Box<dyn super::Command>> {
        vec![]
    }

    fn execute(&self, _: Option<&String>, _: &Configuration, _: &String) -> Result<()> {
        let version = env!("CARGO_PKG_VERSION");
        println!("{}", version);
        return Ok(())
    }

    fn after_dependencies(&self) -> Vec<Box<dyn super::Command>> {
        vec![]
    }

    fn command(&self) -> &'static str {
        "version"
    }

    fn help(&self) -> &'static str {
        "\t\t\t\tPrints the version"
    }
}