using Shared.Phone.UserCenter;
using System;
using System.Collections.Generic;
using System.Text;

namespace Shared.Phone
{
    /// <summary>
    /// 文本组合的菜单控件
    /// </summary>
    public class TextGroupMenuControl : FrameLayout
    {
        #region ■ 变量声明___________________________

        /// <summary>
        /// 选择事件
        /// </summary>
        public Action<string, string> SelectEvent = null;
        /// <summary>
        /// 当前选择的主键(内部使用)
        /// </summary>
        private string oldSelectKey = string.Empty;
        /// <summary>
        /// 当前选择的主键
        /// </summary>
        public string nowSelectKeys
        {
            get
            {
                return oldSelectKey;
            }
        }
        /// <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;
        /// <summary>
        /// 文本对象
        /// </summary>
        private Dictionary<string, string> dicText = new Dictionary<string, string>();

        #endregion

        #region ■ 初始化_____________________________

        /// <summary>
        /// 文本组合的菜单控件(完成初始化后,会根据默认选择调用回调函数)
        /// </summary>
        /// <param name="i_dicText">文本集合(key:主键 value:显示文本)</param>
        public TextGroupMenuControl(Dictionary<string, string> i_dicText)
        {
            this.dicText = i_dicText;
            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 = ControlCommonResourse.XXLeft / 2;
            scrolContr.AddChidren(frameTemp);

            var btnTempWidth = new ButtonBase();
            btnTempWidth.TextSize = 12;
            //初始化设备模式的控件
            int defultIndex = -1;
            int index = 0;
            foreach (string strKeys in dicText.Keys)
            {
                index++;
                if (oldSelectKey == string.Empty)
                {
                    //初始值
                    oldSelectKey = strKeys;
                    defultIndex = index;
                }
                //计算字符的真实宽度
                btnTempWidth.Text = dicText[strKeys];
                this.DoInitControl(scrolContr, strKeys, btnTempWidth.Text, btnTempWidth.GetRealWidthByText());
            }
            //让控件滑动到指定的索引位置
            if (defultIndex != -1)
            {
                scrolContr.ScrollToViewIndex(defultIndex + 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="text">显示文本</param>
        /// <param name="textWidth">文本真实宽度</param>
        private void DoInitControl(HorizontalScrolViewLayout scrolContr, string strKey, 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 (oldSelectKey == strKey)
            {
                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 (oldSelectKey == strKey)
            {
                btnText.TextColor = UserCenterColor.Current.White;
                oldBtnText = btnText;
            }
            else
            {
                btnText.TextColor = UserCenterColor.Current.TextGrayColor1;
            }
            frameBack.AddChidren(btnText, ChidrenBindMode.BindEvent);

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

                //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
                this.SelectEvent?.Invoke(strKey, this.dicText[strKey]);
            };

            //调用回调函数
            if (oldSelectKey == strKey)
            {
                this.SelectEvent?.Invoke(strKey, this.dicText[strKey]);
            }
        }

        #endregion

        #region ■ 控件摧毁___________________________

        /// <summary>
        /// 控件摧毁
        /// </summary>
        public override void RemoveFromParent()
        {
            this.SelectEvent = 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">主键</param>
        public void SetDefultIndex(string strKey)
        {
            this.oldSelectKey = strKey;
        }

        #endregion
    }
}