using System.Collections.Generic;
using FairyGUI;
using UnityEngine;


public class TestConsole
{
    public int maxLogCount = 20;
    public bool errorAutoOpen = false; // 错误自动开启
    private bool isOn = false;
    private List<string> log_list = new List<string>();

    private GComponent _log_view;
    private GButton buttonClear;
    private GButton buttonOpen;
    private GList list;
    private Controller log_controller;

    private bool _open,_init;


    public void Open()
    {
        if (_open) return;
        _open = true;
        Application.logMessageReceived += HandleLog;
        if (!_init)
        {
            UIPackage.AddPackage("base/embed/ui/DebugLog");
            _log_view = UIPackage.CreateObjectFromURL("ui://DebugLog/Main").asCom;
            _log_view.MakeFullScreen();
            buttonClear = _log_view.GetChild("btn_clear").asButton;
            buttonOpen = _log_view.GetChild("btn_open").asButton;
            list = _log_view.GetChild("list").asList;
            log_controller = _log_view.GetController("log");
            EventRegister();
            _init = true;
        }
        _log_view.AddRelation(GRoot.inst, RelationType.Size);
        GRoot.inst.AddChild(_log_view);

    }

    public void Close()
    {
        if (!_open) return;
        _open = false;
        Application.logMessageReceived -= HandleLog;
        if (!_init) return;
        _log_view.RemoveFromParent();
    }

    void FillList()
    {
        list.RemoveChildrenToPool();
        foreach (string str in log_list)
        {
            GComponent gitem = list.AddItemFromPool() as GComponent;
            var text = gitem.GetChild("n0").asTextField;
            text.text = str;
        }
    }


    /// <summary>
    /// 
    /// </summary>
    /// <param name="logString">错误信息</param>
    /// <param name="stackTrace">跟踪堆栈</param>
    /// <param name="type">错误类型</param>
    void HandleLog(string logString, string stackTrace, LogType type)
    {
        log_list.Add(logString);
        if (type == LogType.Error&& errorAutoOpen)
        {
            isOn = true;
            log_controller.selectedIndex = 1;
        }
        if (log_list.Count > maxLogCount)
        {
            log_list.RemoveAt(0);
        }
        FillList();
    }

    void Clear()
    {
        log_list.Clear();
        FillList();
    }

    void EventRegister()
    {
        buttonClear.onClick.Set(() =>
        {
            Clear();
        });
        buttonOpen.onClick.Set(() =>
        {
            isOn = !isOn;
            log_controller.selectedIndex = isOn ? 1 : 0;
            _log_view.RemoveFromParent();
            GRoot.inst.AddChild(_log_view);
        });
    }

}