use crate::executor::{javascript::NodeJSExecutor, php::PhpExecutor, python::PythonExecutor};

pub mod javascript;
pub mod php;
pub mod python;

pub mod helper;

pub fn executors() -> Vec<Box<dyn Executor>> {
    vec![
        Box::new(NodeJSExecutor {}),
        Box::new(PhpExecutor {}),
        Box::new(PythonExecutor {}),
    ]
}

pub fn executors_id() -> Vec<String> {
    filter_unavailable(&executors())
        .iter()
            .map(|x| x.id())
        .collect()
}

pub fn get_executor<'a, T: Into<String>>(id: T, executors: &'a Vec<Box<dyn Executor>>) -> Option<&'a Box<dyn Executor>> {
    let id: String = id.into();
    let found = executors.iter().find(|x| x.id() == id);
    found
}

pub fn filter_unavailable<'a>(executors: &'a Vec<Box<dyn Executor>>) -> Vec<&Box<dyn Executor>> {
    executors
        .iter()
            .filter(|x| x.available())
        .collect()
}

pub trait Executor {
    fn id(&self) -> String;
    fn exec(&self, code: String) -> Result<String, String>;
    fn available(&self) -> bool;
}