mumu-test 0.1.2

use mumu::parser::types::{Value, FunctionValue};
use std::fs;
use std::path::Path;

// ---------- Test file listing ----------
pub fn runner_list_bridge(_interp: &mut mumu::parser::interpreter::Interpreter, args: Vec<Value>) -> Result<Value, String> {
    if !args.is_empty() {
        return Err(format!("test:list => expected 0 args, got {}", args.len()));
    }

    let mut names: Vec<String> = fs::read_dir(Path::new("tests"))
        .map_err(|e| format!("test:list => {}", e))?
        .filter_map(|entry_res| {
            let entry = entry_res.ok()?;
            let fname = entry.file_name().to_string_lossy().into_owned();
            if fname.starts_with('.') {
                return None;
            }
            if !fname.ends_with(".mu") {
                return None;
            }
            Some(fname)
        })
        .collect();

    names.sort();
    Ok(Value::StrArray(names))
}

// ---------- Output helpers ----------
pub const HRULE: &str = "\x1b[1;30m----------------------------------\x1b[0m";
pub const HRULE_PLAIN: &str = "----------------------------------";

// Clipboard logic
use arboard::Clipboard;

pub fn copy_to_clipboard(s: &str) {
    if let Ok(mut clipboard) = Clipboard::new() {
        let _ = clipboard.set_text(s);
    }
}

// ---------- FunctionValue cloner trait ----------
pub trait CloneFunction {
    fn clone_function(&self) -> Option<Box<FunctionValue>>;
}
impl CloneFunction for Value {
    fn clone_function(&self) -> Option<Box<FunctionValue>> {
        if let Value::Function(fb) = self {
            Some(Box::new((**fb).clone()))
        } else {
            None
        }
    }
}