use std::any::Any;

use anyhow::Result;

use super::ControllerButton;

macro_rules! callbacks {
    ($name:ident, $($cb:tt)*) => {
        #[derive(Default)]
        pub struct $name<'a> {
            callbacks: Vec<(&'a str, Box<dyn $($cb)*>)>,
        }

        impl<'a> $name<'a> {
            pub fn add(mut self, name: &'a str, callback: impl $($cb)* + 'static)->Self {
                self.callbacks.push((name, Box::new(callback)));
                self
            }
        }

        impl<'a> Into<Vec<(&'a str, Box<dyn $($cb)*>)>> for $name<'a> {
            fn into(self) -> Vec<(&'a str, Box<dyn $($cb)*>)> {
                self.callbacks
            }
        }
    };
}

callbacks!(ClickCallbacks, Fn() -> Result<()> + Send + Sync);
callbacks!(SelectCallbacks, Fn(bool) -> anyhow::Result<()> + Send + Sync);
callbacks!(CustomCallbacks, Fn(ControllerButton) -> anyhow::Result<bool> + Send + Sync);
callbacks!(VecCallbacks, Fn(&dyn Any) -> Result<()> + Send + Sync);

#[test]
fn test_click_callback_builder() {
    struct Test;

    impl Test {
        fn set_click_callbacks(
            &self,
            _callbacks: Vec<(&str, Box<dyn Fn() -> Result<()> + Send + Sync>)>,
        ) -> Result<()> {
            Ok(())
        }
    }

    let t = Test;

    let cbs = ClickCallbacks::default().add("test", || {
        println!("hello world!");
        Ok(())
    });

    t.set_click_callbacks(cbs.into()).unwrap();
}