using System;
using System.Collections.Generic;
using System.Text;
using ZigBee.Device;

namespace Shared.Phone
{
    /// <summary>
    /// 房间组合或者设备组合的菜单控件(完成初始化后,会根据默认选择调用回调函数)
    /// </summary>
    public class RoomDeviceGroupMenuControl : FrameLayout
    {
        #region ■ 变量声明___________________________

        /// <summary>
        /// 房间选择事件
        /// </summary>
        public Action<Common.Room> SelectRoomEvent = null;
        /// <summary>
        /// 设备选择事件
        /// </summary>
        public Action<List<CommonDevice>> SelectDeviceEvent = null;
        /// <summary>
        /// 当前选择的主键(房间类型时：房间ID   设备类型时：文本信息)
        /// </summary>
        public string nowSelectKeys
        {
            get
            {
                if (dicDevice != null)
                {
                    int index = 0;
                    foreach (var rId in dicDevice.Keys)
                    {
                        if (index == oldSelectIndex)
                        {
                            return rId.ToString();
                        }
                        index++;
                    }
                    return string.Empty;
                }
                return listRoom[oldSelectIndex].Id;
            }
        }

        /// <summary>
        /// 当前选择的索引(内部使用)
        /// </summary>
        private int oldSelectIndex = -1;
        /// <summary>
        /// 房间对象
        /// </summary>
        private List<Common.Room> listRoom = null;
        /// <summary>
        /// 设备对象
        /// </summary>
        private Dictionary<string, List<CommonDevice>> dicDevice = null;
        /// <summary>
        /// 前回选择的控件
        /// </summary>
        private FrameLayoutStatuControl oldFrameBack = null;
        /// <summary>
        /// 前回选择的控件
        /// </summary>
        private NormalViewControl oldBtnText = null;

        #endregion

        #region ■ 初始化_____________________________

        /// <summary>
        /// 房间组合的菜单控件(完成初始化后,会根据默认选择调用回调函数)
        /// </summary>
        /// <param name="i_listRoom">房间列表</param>
        public RoomDeviceGroupMenuControl(List<Common.Room> i_listRoom)
        {
            this.listRoom = i_listRoom;
            this.Height = Application.GetRealHeight(204);
        }

        /// <summary>
        /// 设备组合的菜单控件
        /// </summary>
        /// <param name="i_dicDevice">设备列表,keys:文本</param>
        public RoomDeviceGroupMenuControl(Dictionary<string, List<CommonDevice>> i_dicDevice)
        {
            this.dicDevice = i_dicDevice;
            this.Height = Application.GetRealHeight(204);
        }

        /// <summary>
        /// 初始化控件(事件要至于它之前)
        /// </summary>
        public void InitControl()
        {
            var scrolContr = new HorizontalScrolViewLayout();
            scrolContr.Gravity = Gravity.CenterVertical;
            scrolContr.Height = this.Height;
            this.AddChidren(scrolContr);

            //弄个空的进去占位置
            var frameTemp = new FrameLayout();
            frameTemp.Height = this.Height;
            frameTemp.Width = HdlControlResourse.XXLeft / 2;
            scrolContr.AddChidren(frameTemp);

            var btnTempWidth = new ButtonBase();
            btnTempWidth.TextSize = 12;
            if (this.listRoom != null)
            {
                //初始化房间模式的控件
                for (int i = 0; i < listRoom.Count; i++)
                {
                    if (oldSelectIndex == -1)
                    {
                        //初始值
                        oldSelectIndex = i;
                    }

                    //计算字符的真实宽度
                    btnTempWidth.Text = listRoom[i].Name;
                    this.DoInitControl(scrolContr, i.ToString(), i, listRoom[i].Name, btnTempWidth.GetRealWidthByText());
                }
            }
            else
            {
                //初始化设备模式的控件
                int index = 0;
                foreach (string strKeys in dicDevice.Keys)
                {
                    if (oldSelectIndex == -1)
                    {
                        //初始值
                        oldSelectIndex = index;
                    }
                    //计算字符的真实宽度
                    btnTempWidth.Text = strKeys;
                    this.DoInitControl(scrolContr, strKeys, index, btnTempWidth.Text, btnTempWidth.GetRealWidthByText());
                    index++;
                }
            }
            //让控件滑动到指定的索引位置
            scrolContr.ScrollToViewIndex(oldSelectIndex + 1);
        }

        /// <summary>
        /// 初始化控件
        /// </summary>
        /// <param name="scrolContr">列表控件</param>
        /// <param name="strKey">字典的主键</param>
        /// <param name="index">索引</param>
        /// <param name="text">显示文本</param>
        /// <param name="textWidth">文本真实宽度</param>
        private void DoInitControl(HorizontalScrolViewLayout scrolContr, string strKey, int index, string text, int textWidth)
        {
            //带底图控件的最小宽度
            int minWidth = Application.GetRealWidth(255);
            //带底图控件的真实宽度   <文字的宽度的计算 frameBack.Width - (int)(frameBack.Height * 0.47)>
            int realWidth = textWidth + (int)(Application.GetRealHeight(159) * 0.47);
            if (realWidth < minWidth)
            {
                realWidth = minWidth;
            }

            //带图片的
            var frameBack = new FrameLayoutStatuControl();
            frameBack.UseClickStatu = false;
            frameBack.Gravity = Gravity.Center;
            frameBack.Height = Application.GetRealHeight(159);
            frameBack.Width = realWidth;
            if (oldSelectIndex == index)
            {
                frameBack.BackgroundImagePath = "Item/RoomIconBackgroundSelected.png";
                oldFrameBack = frameBack;
            }
            else
            {
                frameBack.BackgroundImagePath = "Item/RoomIconBackground.png";
            }
            scrolContr.AddChidren(frameBack);
            //文字
            var btnText = new NormalViewControl(textWidth, frameBack.Height, false);
            btnText.Gravity = Gravity.CenterHorizontal;
            btnText.Text = text;
            btnText.TextSize = 12;
            btnText.TextAlignment = TextAlignment.Center;
            if (oldSelectIndex == index)
            {
                btnText.TextColor = UserCenterColor.Current.White;
                oldBtnText = btnText;
            }
            else
            {
                btnText.TextColor = UserCenterColor.Current.TextGrayColor1;
            }
            frameBack.AddChidren(btnText, ChidrenBindMode.BindEvent);

            frameBack.ButtonClickEvent += (sender, e) =>
            {
                if (oldSelectIndex == index)
                {
                    //同一个东西
                    return;
                }
                oldSelectIndex = index;

                //状态变更
                frameBack.BackgroundImagePath = "Item/RoomIconBackgroundSelected.png";
                btnText.TextColor = UserCenterColor.Current.White;

                oldFrameBack.BackgroundImagePath = "Item/RoomIconBackground.png";
                oldBtnText.TextColor = UserCenterColor.Current.TextGrayColor1;
                oldFrameBack = frameBack;
                oldBtnText = btnText;
                //调用回调函数
                if (this.dicDevice != null)
                {
                    this.SelectDeviceEvent?.Invoke(this.dicDevice[strKey]);
                }
                else if (this.listRoom != null)
                {
                    this.SelectRoomEvent?.Invoke(this.listRoom[Convert.ToInt32(strKey)]);
                }
            };

            //调用回调函数
            if (oldSelectIndex == index)
            {
                if (this.dicDevice != null)
                {
                    this.SelectDeviceEvent?.Invoke(this.dicDevice[strKey]);
                }
                else if (this.listRoom != null)
                {
                    this.SelectRoomEvent?.Invoke(this.listRoom[Convert.ToInt32(strKey)]);
                }
            }
        }

        #endregion

        #region ■ 控件摧毁___________________________

        /// <summary>
        /// 控件摧毁
        /// </summary>
        public override void RemoveFromParent()
        {
            this.SelectDeviceEvent = null;
            this.SelectRoomEvent = null;

            base.RemoveFromParent();
        }

        #endregion

        #region ■ 一般方法___________________________

        /// <summary>
        /// 设置初始选择(请在初始化完成之前调用)
        /// </summary>
        /// <param name="strKey">房间ID 或者 文本信息</param>
        public void SetDefultIndex(string strKey)
        {
            if (listRoom != null)
            {
                for (int index = 0; index < listRoom.Count; index++)
                {
                    if (listRoom[index].Id == strKey)
                    {
                        oldSelectIndex = index;
                        break;
                    }
                }
            }
            else if (strKey != string.Empty)
            {
                int i = 0;
                foreach (string rId in dicDevice.Keys)
                {
                    if (rId == strKey)
                    {
                        oldSelectIndex = i;
                        break;
                    }
                    i++;
                }
            }
        }

        #endregion
    }
}