using System;
using System.Collections.Generic;
using System.Text;

namespace Shared.Phone.UserCenter
{
    public class AreaCodeSelectForm : DialogCommonForm
    {
        #region ■ 变量声明___________________________

        /// <summary>
        /// 完成选择的事件(地区码)
        /// </summary>
        public Action<string> FinishSelectEvent = null;
        /// <summary>
        /// 列表控件
        /// </summary>
        private VerticalListControl listView = null;
        /// <summary>
        /// 前回选择的控件
        /// </summary>
        private FrameRowControl oldFrameRowControl = null;
        /// <summary>
        /// 锁
        /// </summary>
        private object objLock = new object();
        /// <summary>
        /// 这个东西是个静态(它是个特殊的)
        /// </summary>
        private static List<AreaCodeInfo> listAreaCode = null;

        #endregion

        #region ■ 初始化_____________________________

        /// <summary>
        /// 画面显示(底层会固定调用此方法，借以完成画面创建)
        /// </summary>
        public void ShowForm()
        {
            //初始化中部信息
            this.InitMiddleFrame();
        }

        /// <summary>
        /// 初始化中部信息
        /// </summary>
        private void InitMiddleFrame()
        {
            var frameBack = new FrameLayout();
            frameBack.Width = Application.GetRealWidth(850);
            frameBack.Height = Application.GetRealHeight(1342);
            frameBack.Radius = (uint)Application.GetRealHeight(17);
            frameBack.BackgroundColor = UserCenterColor.Current.White;
            frameBack.Gravity = Gravity.CenterHorizontal;
            frameBack.Y = Application.GetRealHeight(328);
            bodyFrameLayout.AddChidren(frameBack);

            this.listView = new VerticalListControl(3);
            listView.Y = Application.GetRealHeight(164 - 11);
            listView.Height = frameBack.Height - Application.GetRealHeight(164 - 11);
            listView.Radius = (uint)Application.GetRealHeight(17);
            frameBack.AddChidren(listView);

            //请选择区号
            var btnTitle = new NormalViewControl(270, 60, true);
            btnTitle.X = ControlCommonResourse.XXLeft;
            btnTitle.Y = Application.GetRealHeight(69);
            btnTitle.TextID = R.MyInternationalizationString.uPleaseSelectAreaCode;
            btnTitle.TextSize = 15;
            btnTitle.TextColor = UserCenterColor.Current.TextColor2;
            frameBack.AddChidren(btnTitle);

            //搜索
            var btnSearch = new MySearchControl(Language.StringByID(R.MyInternationalizationString.uSearch));
            btnSearch.X = Application.GetRealWidth(334);
            btnSearch.Y = Application.GetRealHeight(46);
            frameBack.AddChidren(btnSearch);
            btnSearch.BindEvent(this.SearchEvent);

            //让这个按钮这个区域不能点击菜单
            var frameTemp = new FrameLayout();
            frameTemp.Y = Application.GetRealHeight(1146);
            frameTemp.Height = frameBack.Height - Application.GetRealHeight(1146);
            frameBack.AddChidren(frameTemp);

            var btnOk = new BottomClickButton(688);
            btnOk.Y = Application.GetRealHeight(1146);
            btnOk.TextID = R.MyInternationalizationString.uConfirm1;
            frameBack.AddChidren(btnOk);
            btnOk.ButtonClickEvent += (sender, e) =>
            {
                if (oldFrameRowControl != null)
                {
                    this.FinishSelectEvent?.Invoke(oldFrameRowControl.MainKeys);
                }
                this.CloseForm();
            };

            HdlThreadLogic.Current.RunThread(() =>
            {
                //初始化地区列表
                this.InitAreaList();
            });
        }

        #endregion

        #region ■ 初始化地区列表_____________________

        /// <summary>
        /// 初始化地区列表
        /// </summary>
        private void InitAreaList()
        {
            if (listAreaCode == null)
            {
                //第一次获取
                //开启进度条
                ProgressBar.Show();

                //获取全部的地区代码列表
                var Pra = new { Common.CommonPage.RequestVersion };
                string result = UserCenterLogic.GetResponseDataByRequestHttps("ZigbeeUsers/GetAreaCode", false, Pra);
                //关闭进度条
                ProgressBar.Close();
                if (string.IsNullOrEmpty(result) == true)
                {
                    return;
                }
                listAreaCode = Newtonsoft.Json.JsonConvert.DeserializeObject<List<AreaCodeInfo>>(result);
                for (int i = 0; i < listAreaCode.Count; i++)
                {
                    //获取首字母
                    listAreaCode[i].First = this.GetCharSpellCode(listAreaCode[i].Name.Substring(0, 1));
                }
                //排序
                listAreaCode.Sort((obj1, obj2) =>
                {
                    return obj1.First.CompareTo(obj2.First);
                });
            }
            Application.RunOnMainThread(() =>
            {
                //添加全部明细行
                this.AddAllDetailRow(listAreaCode);
            });   
        }

        /// <summary>
        /// 添加全部明细行
        /// </summary>
        /// <param name="listData"></param>
        private void AddAllDetailRow(List<AreaCodeInfo> listData)
        {
            listView.RemoveAll();
            string oldFirst = string.Empty;
            int realHeight = 0;
            for (int i = 0; i < listData.Count; i++)
            {
                if (oldFirst != listData[i].First)
                {
                    oldFirst = listData[i].First;
                    //添加字母标题
                    var frame1 = new FrameRowControl(listView.rowSpace / 2);
                    frame1.UseClickStatu = false;
                    //列表控件只帮扩大3，而它的间距需要11
                    frame1.Height = Application.GetRealHeight(58 + 8);
                    frame1.Width = Application.GetRealWidth(850);
                    listView.AddChidren(frame1);
                    realHeight += frame1.Height;

                    var btnView1 = frame1.AddLeftCaption(listData[i].First, 300);
                    btnView1.TextColor = UserCenterColor.Current.TextGrayColor2;
                    if (listData[i].First == "ZZ")
                    {
                        //其他
                        btnView1.TextID = R.MyInternationalizationString.uOther;
                    }
                }
                //添加明细行
                var frameDetail = new FrameRowControl(listView.rowSpace / 2);
                frameDetail.MainKeys = listData[i].Code;
                frameDetail.UseClickStatu = false;
                frameDetail.Width = Application.GetRealWidth(850);
                frameDetail.Height = Application.GetRealHeight(118);
                listView.AddChidren(frameDetail);
                realHeight += frameDetail.Height;
                //地区名
                var btnName = frameDetail.AddLeftCaption(listData[i].Name, 600);
                btnName.TextColor = UserCenterColor.Current.TextGrayColor3;
                //地区码
                var btnCode = frameDetail.AddMostRightView("+" + listData[i].Code, 300);
                btnCode.TextColor = UserCenterColor.Current.TextGrayColor3;
                frameDetail.ButtonClickEvent += (sender, e) =>
                {
                    if (oldFrameRowControl != null)
                    {
                        if (oldFrameRowControl.MainKeys == frameDetail.MainKeys)
                        {
                            //同一个东西
                            return;
                        }
                        //取消上一次的选择
                        oldFrameRowControl.BackgroundColor = UserCenterColor.Current.Transparent;
                        ((NormalViewControl)oldFrameRowControl.GetChildren(0)).TextColor = UserCenterColor.Current.TextGrayColor3;
                        ((NormalViewControl)oldFrameRowControl.GetChildren(1)).TextColor = UserCenterColor.Current.TextGrayColor3;
                    }

                    //选中状态
                    frameDetail.BackgroundColor = 0x0ffc744b;
                    btnName.TextColor = UserCenterColor.Current.TextColor1;
                    btnCode.TextColor = UserCenterColor.Current.TextColor1;
                    oldFrameRowControl = frameDetail;
                };
            }

            if (realHeight > listView.Height - Application.GetRealHeight(196))
            {
                //促使被挡住的菜单能够向上滑动
                var frameTemp = new FrameLayout();
                frameTemp.Height = Application.GetRealHeight(196 + 34);//间距34
                listView.AddChidren(frameTemp);
            }
        }

        #endregion

        #region ■ 搜索事件___________________________

        /// <summary>
        /// 搜索事件
        /// </summary>
        /// <param name="changdValue"></param>
        private void SearchEvent(string changdValue)
        {
            lock (objLock)
            {
                //如果只输入一位的话,可以判断首字母
                string first = changdValue.Length == 1 ? changdValue.ToUpper() : string.Empty;

                var listData = new List<AreaCodeInfo>();
                for (int i = 0; i < listAreaCode.Count; i++)
                {
                    //如果只输入一位的话,可以判断首字母
                    if (listAreaCode[i].First == first)
                    {
                        listData.Add(listAreaCode[i]);
                    }
                    //判断名字和地区码
                    else if (listAreaCode[i].Code.Contains(changdValue) == true || listAreaCode[i].Name.Contains(changdValue) == true)
                    {
                        listData.Add(listAreaCode[i]);
                    }
                }
                Application.RunOnMainThread(() =>
                {
                    //添加全部明细行
                    this.AddAllDetailRow(listData);
                });
            }
        }

        #endregion

        #region ■ 搜索控件___________________________

        /// <summary>
        /// 制作一个根据键值进行搜索的控件
        /// 添加控件后，请调用LoadEvent()函数进行回调函数的绑定
        /// </summary>
        public class MySearchControl : FrameLayout
        {
            #region ■ 变量声明__________________________
            
            /// <summary>
            /// 搜索控件
            /// </summary>
            private TextInputControl txtSearch = null;
            /// <summary>
            /// 回调函数
            /// </summary>
            private Action<string> actionMethod = null;
            /// <summary>
            /// 没有输入键值的显示文本
            /// </summary>
            private string tipText = string.Empty;

            #endregion

            #region ■ 初始化____________________________
            /// <summary>
            /// 制作一个根据键值进行搜索的控件
            /// 添加控件到父控件后，请调用BindEvent()函数进行回调函数的绑定
            /// </summary>
            /// <param name="i_tipText">没有输入键值的显示文本</param>
            public MySearchControl(string i_tipText)
            {
                this.tipText = i_tipText;
                //桌布控件
                this.Width = Application.GetRealWidth(458);
                this.Height = Application.GetRealHeight(104);
                this.Radius = (uint)Application.GetRealHeight(17);
                this.BorderColor = 0xffbfc1c2;
                this.BorderWidth = 1;
            }

            /// <summary>
            /// 控件初始化
            /// </summary>
            private void InitControl()
            {
                //输入文本
                int textWidth = this.Width - Application.GetRealWidth(35 * 2);
                txtSearch = new TextInputControl(textWidth, Application.GetRealHeight(58), false);
                txtSearch.X = Application.GetRealWidth(35);
                txtSearch.PlaceholderText = this.tipText;
                txtSearch.Gravity = Gravity.CenterVertical;
                this.AddChidren(txtSearch);

                string oldText = string.Empty;
                //值改变事件
                txtSearch.TextChangeEventHandler += (sender, e) =>
                {
                    this.nextSearchKeys = txtSearch.Text.Trim();
                    if (oldText == this.nextSearchKeys)
                    {
                        //输入的值一样
                        return;
                    }
                    oldText = this.nextSearchKeys;
                    //允许执行回调函数
                    this.isCanSearch = true;
                };
            }
            #endregion

            #region ■ 绑定事件__________________________

            /// <summary>
            /// 绑定事件
            /// </summary>
            /// <param name="action">回调函数：值是输入的关键字</param>
            public void BindEvent(Action<string> action)
            {
                this.actionMethod = action;

                //控件初始化
                this.InitControl();

                //打开搜索键值的线程
                this.StartSearchKeysThead();
            }

            #endregion

            #region ■ 开启线程__________________________

            /// <summary>
            /// 能否执行搜索
            /// </summary>
            private bool isCanSearch = false;
            /// <summary>
            /// 下一个搜索键值
            /// </summary>
            private string nextSearchKeys = string.Empty;
            /// <summary>
            /// 打开搜索键值的线程
            /// </summary>
            private void StartSearchKeysThead()
            {
                HdlThreadLogic.Current.RunThread(() =>
                {
                    while (this.Parent != null)
                    {
                        //根据逻辑，不能够搜索的话，等待
                        if (this.isCanSearch == false)
                        {
                            System.Threading.Thread.Sleep(1000);
                            continue;
                        }
                        //获取当前瞬间的键值
                        string nowSearchKeys = nextSearchKeys;

                        //根据搜索键值，调用回调函数
                        this.actionMethod(nowSearchKeys);

                        //处理完毕后，如果当前的检索键值与下一个检索键值一样的话
                        //说明用户已经不再输入键值了，这个时候，停止搜索
                        if (nowSearchKeys == nextSearchKeys)
                        {
                            this.isCanSearch = false;
                        }

                        //如果当前的检索键值与下一个检索键值不一样的话
                        //那就说明，用户再次输入了键值，这个时候，让线程继续跑下去
                    }
                });
            }
            #endregion

            #region ■ 控件摧毁__________________________

            /// <summary>
            /// 控件摧毁
            /// </summary>
            public override void RemoveFromParent()
            {
                actionMethod = null;
                base.RemoveFromParent();
            }

            #endregion
        }

        #endregion

        #region ■ 一般方法___________________________

        /// <summary>
        /// 获取汉字首字母
        /// </summary>
        /// <param name="textValue"></param>
        /// <returns></returns>
        private string GetCharSpellCode(string textValue)
        {
            long iCnChar;

            byte[] ZW = Encoding.GetEncoding("gb2312").GetBytes(textValue);

            //如果是字母，则直接返回 
            if (ZW.Length == 1)
            {
                return textValue.ToUpper();
            }
            else
            {
                // get the array of byte from the single char 
                int i1 = (short)(ZW[0]);
                int i2 = (short)(ZW[1]);
                iCnChar = i1 * 256 + i2;
            }

            //expresstion 
            //table of the constant list 
            // 'A'; //45217..45252 
            // 'B'; //45253..45760 
            // 'C'; //45761..46317 
            // 'D'; //46318..46825 
            // 'E'; //46826..47009 
            // 'F'; //47010..47296 
            // 'G'; //47297..47613 

            // 'H'; //47614..48118 
            // 'J'; //48119..49061 
            // 'K'; //49062..49323 
            // 'L'; //49324..49895 
            // 'M'; //49896..50370 
            // 'N'; //50371..50613 
            // 'O'; //50614..50621 
            // 'P'; //50622..50905 
            // 'Q'; //50906..51386 

            // 'R'; //51387..51445 
            // 'S'; //51446..52217 
            // 'T'; //52218..52697 
            //没有U,V 
            // 'W'; //52698..52979 
            // 'X'; //52980..53640 
            // 'Y'; //53689..54480 
            // 'Z'; //54481..55289 

            // iCnChar match the constant 
            if ((iCnChar >= 45217) && (iCnChar <= 45252))
            {
                return "A";
            }
            else if ((iCnChar >= 45253) && (iCnChar <= 45760))
            {
                return "B";
            }
            else if ((iCnChar >= 45761) && (iCnChar <= 46317))
            {
                return "C";
            }
            else if ((iCnChar >= 46318) && (iCnChar <= 46825))
            {
                return "D";
            }
            else if ((iCnChar >= 46826) && (iCnChar <= 47009))
            {
                return "E";
            }
            else if ((iCnChar >= 47010) && (iCnChar <= 47296))
            {
                return "F";
            }
            else if ((iCnChar >= 47297) && (iCnChar <= 47613))
            {
                return "G";
            }
            else if ((iCnChar >= 47614) && (iCnChar <= 48118))
            {
                return "H";
            }
            else if ((iCnChar >= 48119) && (iCnChar <= 49061))
            {
                return "J";
            }
            else if ((iCnChar >= 49062) && (iCnChar <= 49323))
            {
                return "K";
            }
            else if ((iCnChar >= 49324) && (iCnChar <= 49895))
            {
                return "L";
            }
            else if ((iCnChar >= 49896) && (iCnChar <= 50370))
            {
                return "M";
            }

            else if ((iCnChar >= 50371) && (iCnChar <= 50613))
            {
                return "N";
            }
            else if ((iCnChar >= 50614) && (iCnChar <= 50621))
            {
                return "O";
            }
            else if ((iCnChar >= 50622) && (iCnChar <= 50905))
            {
                return "P";
            }
            else if ((iCnChar >= 50906) && (iCnChar <= 51386))
            {
                return "Q";
            }
            else if ((iCnChar >= 51387) && (iCnChar <= 51445))
            {
                return "R";
            }
            else if ((iCnChar >= 51446) && (iCnChar <= 52217))
            {
                return "S";
            }
            else if ((iCnChar >= 52218) && (iCnChar <= 52697))
            {
                return "T";
            }
            else if ((iCnChar >= 52698) && (iCnChar <= 52979))
            {
                return "W";
            }
            else if ((iCnChar >= 52980) && (iCnChar <= 53640))
            {
                return "X";
            }
            else if ((iCnChar >= 53689) && (iCnChar <= 54480))
            {
                return "Y";
            }
            else if ((iCnChar >= 54481) && (iCnChar <= 55289))
            {
                return "Z";
            }
            else return ("ZZ");
        }

        #endregion

        #region ■ 结构体_____________________________

        /// <summary>
        /// 地区码
        /// </summary>
        private class AreaCodeInfo
        {
            /// <summary>
            /// 首字母
            /// </summary>
            public string First = string.Empty;
            /// <summary>
            /// 名字
            /// </summary>
            public string Name = string.Empty;
            /// <summary>
            /// 地区码
            /// </summary>
            public string Code = string.Empty;
            /// <summary>
            /// Id
            /// </summary>
            public string Id = string.Empty;
        }

        #endregion
    }
}