use std::io::Result;
use super::{sync_down::SyncDown, generate::Generate, sync_up::SyncUp};

pub struct Update;

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

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

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

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

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

    fn help(&self) -> &'static str {
        "<path_to_post>\t\tUpdates latest blog post"
    }
}