use std::io::Result;

pub struct Help;

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

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

    fn execute(&self, input: Option<&String>) -> Result<()> {
        println!("Help: {:?}!", input);
        return Ok(())
    }

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

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

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