using Newtonsoft.Json.Linq;
using System;
using System.Collections;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Xml.Linq;
using static System.Windows.Forms.Form;

namespace Rs.Framework
{
    public static class ControlManager
    {
        public static List<Control> GetControlList(Control findControl)
        {
            List<Control> list = GetContolsInternal(findControl, new List<Control>());
            return list;
        }

        private static List<Control> GetContolsInternal(Control findControl,List<Control> foundControls)
        {
            if(findControl!=null && findControl.Controls.Count>0)
            {
                foreach (Control subControl in findControl.Controls)
                {
                    foundControls.Add(subControl);
                    if(subControl.Controls.Count > 0)
                    {
                        foundControls= GetContolsInternal(subControl, foundControls);
                    }
                }
            }
            return foundControls;
        }

        /// <summary>
        /// 通过控件Tag查找控件数组
        /// </summary>
        /// <param name="findControl"></param>
        /// <param name="tagName"></param>
        /// <param name="searchAllChildren"></param>
        /// <returns></returns>
        public static Control[] FindByTag(Control findControl,string tagName, bool searchAllChildren)
        {
            if (string.IsNullOrEmpty(tagName))
            {
                return null;
            }
            ArrayList arrayList = FindInternal(tagName, searchAllChildren,findControl.Controls, new ArrayList());
            Control[] array = new Control[arrayList.Count];
            arrayList.CopyTo(array, 0);
            return array;
        }

        private static ArrayList FindInternal(string key, bool searchAllChildren, Control.ControlCollection controlsToLookIn, ArrayList foundControls)
        {
            if (controlsToLookIn == null || foundControls == null)
            {
                return null;
            }

            try
            {
                for (int i = 0; i < controlsToLookIn.Count; i++)
                {
                    if (controlsToLookIn[i] != null && controlsToLookIn[i].Tag != null && string.Compare(controlsToLookIn[i].Tag.ToString(), key) == 0)
                    {
                        foundControls.Add(controlsToLookIn[i]);
                    }
                }

                if (searchAllChildren)
                {
                    for (int j = 0; j < controlsToLookIn.Count; j++)
                    {
                        if (controlsToLookIn[j] != null && controlsToLookIn[j].Controls != null && controlsToLookIn[j].Controls.Count > 0)
                        {
                            foundControls = FindInternal(key, searchAllChildren, controlsToLookIn[j].Controls, foundControls);
                        }
                    }

                    return foundControls;
                }

                return foundControls;
            }
            catch (Exception ex)
            {
                return foundControls;
            }
        }


        public static Control FindControl(Control control,string name)
        {
            Control[] controls = control.Controls.Find(name, true);
            if(controls!=null&&controls.Length>0)
                return controls[0];
            return null;
        }
    }
}