using System.Collections.Generic;
using TH1_UI.Controller.Base;
using TH1_UI.View.Base;
using UnityEngine;

public interface ViewControllerSubInterface
{
    // 是否默认打开
    public bool DefaultOpen { get; }
    // 是否控制显示
    void Start(string path, IViewControllerInterface parent);
    public void OnWindowLoadNotify(GameObject windowObj);
    public List<string> GetLoadAtlas();
    public void PreLoad();
    public void Open();
    public void Close();
    public void Destroy();
}

public class ViewControllerSub<T> : ViewControllerSubInterface where T : ViewSub
{
    public bool DefaultOpen { get; protected set; } = true;
    //
    protected bool ControlActive { get; set; } = false;
    //
    protected T WindowScript { get { return _script; } }
    //
    public GameObject WindowObj { get { return _windowObj; } }
    //
    public IViewControllerInterface Parent { get { return _parent; } }
    //
    public virtual void Start(string path, IViewControllerInterface parent)
    {
        _path = path;
        _parent = parent;
    }
    //
    public virtual bool IsShow()
    {
        if (_script == null)
        {
            return false;
        }
        return _script.IsShow();
    }
    //
    public virtual void Open()
    {
        if (IsShow())
        {
            OnOpen();
            return;
        }
        //
        _TrueOpen();
    }
    //
    public virtual void Close()
    {
        if (!IsShow())
        {
            return;
        }
        //
        _TrueClose();
    }
    //
    public void OnWindowLoadNotify(GameObject windowObj)
    {
	    var windowProperty = windowObj.GetComponent<UIWindowProperty>();
        _windowObj = windowProperty.GetGameObject(_path);
        ViDebuger.AssertError(_windowObj != null, $"ViewControllerSub Error! window obj can not be null!! parent = {windowObj.name}, path = {_path}");
        //
        UIWindowProperty propertyScript = _windowObj.GetComponentInChildren<UIWindowProperty>();
        ViDebuger.AssertError(propertyScript != null, $"ViewControllerSub Error! window property can not be null!! parent = {windowObj.name}, path = {_path}");
        //
        _script = UnityAssisstant.CreateComponent<T>(_windowObj);
        var parentCanvas = windowObj.GetComponent<Canvas>();
        _script.Initialize(propertyScript, parentCanvas);
        //
        OnLoaded();
    }
    //
    void _TrueOpen()
    {
        if (_script != null)
        {
            _script.Show();
            //
            if (ControlActive)
            {
                _windowObj.SetActive(true);
            }
        }
        //
        RegisterEventCallback();
        OnOpen();
    }
    //
    void _TrueClose()
    {
        UnregisterEventCallback();
        OnClose();
        //
        if (_script != null)
        {
            _script.Hide();
            //
            if (ControlActive)
            {
                _windowObj.SetActive(false);
            }
        }
    }
    //
    protected void AddLoadAtlas(string name)
    {
        if (!_atlasLoadList.Contains(name))
        {
            _atlasLoadList.Add(name);
        }
    }
    public List<string> GetLoadAtlas()
    {
        return _atlasLoadList;
    }
    //
    public virtual void PreLoad() { }
    //
    protected virtual void OnLoaded() { }
    //
    protected virtual void OnOpen() { }
    //
    protected virtual void RegisterEventCallback() { }
    //
    protected virtual void UnregisterEventCallback() { }
    //
    protected virtual void OnClose() { }
    //
    public virtual void Destroy()
    {
        _atlasLoadList.Clear();
        _script = null;
        _windowObj = null;
    }
    //
    string _path;
    IViewControllerInterface _parent;
    //
    T _script;
    GameObject _windowObj;
    List<string> _atlasLoadList = new List<string>();
}