use std::io::{stdout, Write};
use colored::Colorize;
use qsv_tabwriter::TabWriter;
use crate::unified::{RunClientNative, RunListenServerNative, RunServerNative};
use crate::unified_web::RunClientWeb;

mod unified;
mod unified_web;
mod util;

fn main() {
    let args = std::env::args();
    let Some(taskname) = args.skip(1).next() else {
        print_tasks();
        return;
    };

    // find task
    let all_tasks = tasks();
    let task = all_tasks.iter().find(|u| u.name() == taskname);

    if let Some(task) = task {
        println!("{}{}{}", "============ EXECUTING TASK: ".bold().green(), "starkingdoms:".purple(), task.name().cyan());
        task.run(std::env::args().skip(2).collect());
    } else {
        print_tasks();
    }
}

pub trait Task {
    fn name(&self) -> &'static str;
    fn help(&self) -> &'static str;
    fn run(&self, args: Vec<String>);
}

fn tasks() -> Vec<Box<dyn Task>> {
    let mut v: Vec<Box<dyn Task>> = vec![];

    v.push(Box::new(RunClientNative));
    v.push(Box::new(RunServerNative));
    v.push(Box::new(RunClientWeb));
    v.push(Box::new(RunListenServerNative));

    v
}

fn print_tasks() {
    println!("{}", "Available tasks".underline());
    let mut w = TabWriter::new(stdout());
    for task in tasks() {
        writeln!(w, "{}\t{}", task.name().cyan(), task.help()).unwrap();
    }
    w.flush().unwrap();
}