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

namespace Shared.Phone.UserCenter
{
    /// <summary>
    /// 特殊的输入框,初始状态和输入完成后,字体变为灰色,输入时为黑色
    /// </summary>
    public class TextInputExControl : TextInputBase
    {
        #region ■ 变量声明___________________________

        /// <summary>
        /// 输入结束的事件
        /// </summary>
        public Action FinishInputEvent = null;
        /// <summary>
        /// 最大输入长度(目前只针对按下回车键时进行检测,超过时,不会调用FinishInputEvent)
        /// </summary>
        public int MaxByte = 0;
        /// <summary>
        /// 文本是否为黑色字体
        /// </summary>
        private bool IsTextBlack = false;

        #endregion

        #region ■ 初始化_____________________________

        /// <summary>
        /// 特殊的输入框,初始状态和输入完成后,字体变为灰色,输入时为黑色
        /// </summary>
        /// <param name="i_Width">宽度</param>
        /// <param name="i_Height">高度</param>
        /// <param name="real">是否计算真实值</param>
        public TextInputExControl(int i_Width, int i_Height, bool real = false)
        {
            this.InitSize(i_Width, i_Height, real);
            this.TextColor = UserCenterColor.Current.TextGrayColor3;

            this.TextChangeEventHandler += this.TextChangeEvent;
            this.EditorEnterAction += this.EditorEnterEvent;
        }

        /// <summary>
        /// 特殊的输入框,初始状态和输入完成后,字体变为灰色,输入时为黑色
        /// </summary>
        /// <param name="i_Width">宽度</param>
        /// <param name="real">是否计算真实值</param>
        public TextInputExControl(int i_Width, bool real = false)
        {
            this.InitSize(i_Width, real);
            this.TextColor = UserCenterColor.Current.TextGrayColor3;

            this.TextChangeEventHandler += this.TextChangeEvent;
            this.EditorEnterAction += this.EditorEnterEvent;
        }

        #endregion

        #region ■ 输入事件___________________________

        /// <summary>
        /// 输入完成事件
        /// </summary>
        /// <param name="view"></param>
        private void EditorEnterEvent(View view)
        {
            if (this.MaxByte != 0)
            {
                if (Encoding.UTF8.GetBytes(this.Text.Trim()).Length > this.MaxByte)
                {
                    //输入内容过长,最大{0}字节
                    string msg = Language.StringByID(R.MyInternationalizationString.uInputContentIsOverLengthMsg);
                    msg.Replace("{0}", this.MaxByte.ToString());
                    var contr = new ShowMsgControl(ShowMsgType.Error, msg);
                    contr.Show();
                    return;
                }
            }
            this.TextColor = UserCenterColor.Current.TextGrayColor3;
            this.IsTextBlack = false;
            this.FinishInputEvent?.Invoke();
        }

        /// <summary>
        /// 值改变事件
        /// </summary>
        /// <param name="view"></param>
        /// <param name="value"></param>
        private void TextChangeEvent(View view, string value)
        {
            if (this.IsTextBlack == true || this.Foucs == false)
            {
                return;
            }
            this.IsTextBlack = true;
            this.TextColor = UserCenterColor.Current.TextColor1;
        }

        #endregion

        #region ■ 一般方法___________________________

        /// <summary>
        /// 控件销毁
        /// </summary>
        public override void RemoveFromParent()
        {
            this.FinishInputEvent = null;

            base.RemoveFromParent();
        }

        #endregion
    }
}