using TMPro;
using UnityEngine;
using VMdemo.Simulation;

namespace VMdemo.UI
{
    public class SimulationDashboardView : MonoBehaviour
    {
        [SerializeField] private TMP_Text stateSummaryText;
        [SerializeField] private TMP_Text statsText;
        [SerializeField] private TMP_Text errorText;

        public void ShowNotInitialized()
        {
            SetText(stateSummaryText, "引擎：未初始化");
            SetText(statsText, "统计：N/A");
        }

        public void Render(TranslatorEngine engine)
        {
            if (engine == null)
            {
                ShowNotInitialized();
                return;
            }

            SetText(
                stateSummaryText,
                SimulationUIFormatter.FormatStateSummary(
                    engine.State,
                    engine.MachineBits,
                    engine.VaBits,
                    engine.PageSizeKB,
                    engine.PhysicalMemoryMB,
                    engine.TlbCache.Capacity));
            SetText(statsText, SimulationUIFormatter.FormatStats(engine.Stats));
        }

        public void SetError(string message)
        {
            SetText(errorText, message);
        }

        private static void SetText(TMP_Text target, string value)
        {
            if (target != null)
            {
                target.text = value;
            }
        }
    }
}