using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;

public class DebugDeviceCMD : MonoBehaviour
{
    public static DebugDeviceCMD ins;
    Transform textGroup;

    string[] textStrList;
    int index = 0;

    void Awake() {
        if (ins) {
            Destroy(this.gameObject);
            return;
        }
        ins = this;
        DontDestroyOnLoad(this.gameObject);
        textGroup = transform.Find("TextGroup");
        textStrList = new string[textGroup.childCount];
        for (int i = 0; i < textStrList.Length; i++) {
            textStrList[i] = "";
        }
    }
    
    public void ShowCMD(string cmd) {
        string str = $"序号{index}: {cmd}";
        index++;
        if (index < textStrList.Length) {
            textStrList[index] = str;
        } else {
            System.Array.Copy(textStrList, 1, textStrList, 0, textStrList.Length - 1);
            textStrList[textStrList.Length - 1] = str;
        }
        for (int i = 0; i < textStrList.Length; i++) {
            textGroup.GetChild(i).GetComponent<Text>().text = textStrList[i];
        }
    }

    // float t = 0;
    // void Update() {
    //     t += Time.deltaTime;
    //     if (t > 0.1f) {
    //         t = 0;
    //         ShowCMD("A" + index);
    //     }
    // }
}