use oxforge::mdk::*;

pub struct PassthroughModule {}

#[unsafe(no_mangle)]
pub extern "C" fn create_module(
    config: &GlobalConfig,
) -> *mut Box<dyn OxideModule> {
    let module = PassthroughModule::new(config);
    let boxed_trait: Box<dyn OxideModule> = Box::new(module);
    let boxed_box = Box::new(boxed_trait);
    Box::into_raw(boxed_box)
}

#[unsafe(no_mangle)]
pub unsafe extern "C" fn destroy_module(module_ptr: *mut Box<dyn OxideModule>) {
    if !module_ptr.is_null() {
        let _ = unsafe { Box::from_raw(module_ptr) };
    }
}

impl OxideModule for PassthroughModule {
    fn new(_config: &GlobalConfig) -> Self {
        Self {}
    }

    fn process(&mut self, mut ports: Ports, _context: &ProcessContext) {
        if let (Some(input), Some(mut output)) = (ports.main_audio_in.take(), ports.main_audio_out.take()) {
            output.buffer_mut().copy_from_slice(input.buffer());
        }
    }
}