use crate::executor::tasks::{IntoTask, IntoTaskErr, Task};

mod tasks;

struct Executor<'a> {
    task: &'a Task,
    args: Box<[&'a str]>,
    output: Option<Result<String, String>>,
}

impl<'a> Executor<'a> {
    fn new(task: impl IntoTask, args: &'a str) -> Result<Self, IntoTaskErr> {
        let task = task.into_task()?;
        Ok(Self {
            task: task,
            args: Box::new([args]),
            output: None,
        })
    }

    fn run(&mut self) -> Option<&Result<String, String>> {
        self.output = Some((self.task.exec)(&self.args));
        self.output.as_ref()
    }
}