use crate::box_trait::{NyashBox, StringBox, BoolBox, BoxCore, BoxBase};
use std::any::Any;

#[derive(Debug, Clone)]
pub struct JitStatsBox { base: BoxBase }

impl JitStatsBox {
    pub fn new() -> Self { Self { base: BoxBase::new() } }
    pub fn to_json(&self) -> Box<dyn NyashBox> {
        let cfg = crate::jit::config::current();
        let caps = crate::jit::config::probe_capabilities();
        let mode = if cfg.native_bool_abi && caps.supports_b1_sig { "b1_bool" } else { "i64_bool" };
        let payload = serde_json::json!({
            "version": 1,
            "abi_mode": mode,
            "abi_b1_enabled": cfg.native_bool_abi,
            "abi_b1_supported": caps.supports_b1_sig,
            "b1_norm_count": crate::jit::rt::b1_norm_get(),
            "ret_bool_hint_count": crate::jit::rt::ret_bool_hint_get(),
            "phi_total_slots": crate::jit::rt::phi_total_get(),
            "phi_b1_slots": crate::jit::rt::phi_b1_get(),
        });
        Box::new(StringBox::new(payload.to_string()))
    }
}

impl BoxCore for JitStatsBox {
    fn box_id(&self) -> u64 { self.base.id }
    fn parent_type_id(&self) -> Option<std::any::TypeId> { self.base.parent_type_id }
    fn fmt_box(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { write!(f, "JitStatsBox") }
    fn as_any(&self) -> &dyn Any { self }
    fn as_any_mut(&mut self) -> &mut dyn Any { self }
}

impl NyashBox for JitStatsBox {
    fn to_string_box(&self) -> StringBox { StringBox::new(self.to_json().to_string_box().value) }
    fn equals(&self, other: &dyn NyashBox) -> BoolBox { BoolBox::new(other.as_any().is::<JitStatsBox>()) }
    fn type_name(&self) -> &'static str { "JitStatsBox" }
    fn clone_box(&self) -> Box<dyn NyashBox> { Box::new(self.clone()) }
    fn share_box(&self) -> Box<dyn NyashBox> { self.clone_box() }
}