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

namespace Shared.Phone.UserCenter
{
    /// <summary>
    /// 界面类型的进度条控件
    /// </summary>
    public class ProgressFormBar
    {
        #region ■ 变量声明___________________________

        /// <summary>
        /// 界面类型的进度条控件
        /// </summary>
        private static ProgressFormBar m_Current = null;
        /// <summary>
        /// 界面类型的进度条控件
        /// </summary>
        public static ProgressFormBar Current
        {
            get
            {
                if (m_Current == null)
                {
                    m_Current = new ProgressFormBar();
                }
                return m_Current;
            }
        }

        /// <summary>
        /// 容器控件
        /// </summary>
        private FrameLayout bodyFrameLayout = null;
        /// <summary>
        /// 信息控件
        /// </summary>
        private NormalViewControl btnText = null;
        /// <summary>
        /// 进度值文本的显示控件
        /// </summary>
        private NormalViewControl btnProgressView = null;
        /// <summary>
        /// 进度值能够移动的那个框控件
        /// </summary>
        private FrameLayout frameProgress = null;
        /// <summary>
        /// 进度条
        /// </summary>
        private FrameLayout btnProgressBar = null;
        /// <summary>
        /// 进度条容器的最大宽度
        /// </summary>
        private int ProRowWidth = 0;
        /// <summary>
        /// 原来的滑动标识
        /// </summary>
        private bool oldScrollEnabled = false;
        /// <summary>
        /// 原来的那个圆形进度条是否可见
        /// </summary>
        private bool oldPrigressVisible = false;

        #endregion

        #region ■ 初始化_____________________________

        /// <summary>
        /// 初始化进度条
        /// </summary>
        private void InitProgressFormBar()
        {
            var nowForm = UserView.HomePage.Instance.GetChildren(UserView.HomePage.Instance.ChildrenCount - 1);
            if (nowForm == null || (nowForm is ViewGroup) == false)
            {
                //这种情况应该不存在
                var alert = new ShowMsgControl(ShowMsgType.Error, "ERROR:Not Found The ActionForm!");
                alert.Show();
                return;
            }
            //安卓可以点击系统的返回键
            this.oldScrollEnabled = UserView.HomePage.Instance.ScrollEnabled;
            UserView.HomePage.Instance.ScrollEnabled = false;
            Shared.Common.CommonPage.BackKeyCanClick = false;
            this.oldPrigressVisible = Common.CommonPage.Loading.Visible;
            if (oldPrigressVisible == true)
            {
                //圆形进度条临时关闭
                Common.CommonPage.Loading.Hide();
            }

            //容器
            bodyFrameLayout = new FrameLayout();
            bodyFrameLayout.BackgroundColor = UserCenterColor.Current.DialogBackColor;
            ((ViewGroup)nowForm).AddChidren(bodyFrameLayout);

            var frameBack = new FrameLayout();
            frameBack.Width = Application.GetRealWidth(674);
            frameBack.Height = Application.GetRealHeight(386);
            frameBack.BackgroundColor = UserCenterColor.Current.White;
            frameBack.Gravity = Gravity.CenterHorizontal;
            frameBack.Y = Application.GetRealHeight(683);
            frameBack.Radius = 6;
            bodyFrameLayout.AddChidren(frameBack);

            //进度显示文本
            this.btnText = new NormalViewControl(frameBack.Width, Application.GetRealHeight(58), false);
            btnText.Y = Application.GetRealHeight(248);
            btnText.TextColor = UserCenterColor.Current.TextGrayColor1;
            btnText.TextAlignment = TextAlignment.Center;
            frameBack.AddChidren(btnText);

            //进度条
            var btnProRow = new FrameLayout();
            btnProRow.Gravity = Gravity.CenterHorizontal;
            btnProRow.Y = Application.GetRealHeight(161);
            btnProRow.Width = Application.GetRealWidth(559);
            btnProRow.Height = Application.GetRealHeight(29);
            btnProRow.BackgroundColor = 0xfff5f5f5;
            btnProRow.Radius = (uint)Application.GetRealHeight(29) / 2;
            frameBack.AddChidren(btnProRow);
            this.btnProgressBar = new FrameLayout();
            btnProgressBar.Width = 0;
            btnProgressBar.Height = btnProRow.Height;
            btnProgressBar.Radius = btnProRow.Radius;
            btnProgressBar.BackgroundColor = 0xfffb744a;
            btnProgressBar.Radius = (uint)Application.GetRealHeight(29) / 2;
            btnProRow.AddChidren(btnProgressBar);

            //进度值文本
            this.frameProgress = new FrameLayout();
            frameProgress.Width = Application.GetRealWidth(84);
            frameProgress.Height = Application.GetRealHeight(60);
            frameProgress.Y = Application.GetRealHeight(86);
            frameBack.AddChidren(frameProgress);
            frameProgress.X = btnProRow.X + btnProgressBar.Right - frameProgress.Width / 2;
            var btnProgressPic = new PicViewControl(84, 60);
            btnProgressPic.UnSelectedImagePath = "Item/ProgressMsg.png";
            frameProgress.AddChidren(btnProgressPic);
            this.btnProgressView = new NormalViewControl(84, 32, true);
            btnProgressView.TextSize = 10;
            btnProgressView.TextAlignment = TextAlignment.Center;
            btnProgressView.Text = "0%";
            frameProgress.AddChidren(btnProgressView);

            this.ProRowWidth = btnProRow.Width;
        }

        #endregion

        #region ■ 设置信息___________________________

        /// <summary>
        /// 设置显示信息
        /// </summary>
        /// <param name="msg"></param>
        public void SetMsg(string msg)
        {
            HdlThreadLogic.Current.RunMain(() =>
            {
                btnText.Text = msg;
            });
        }

        #endregion

        #region ■ 设置进度值_________________________

        /// <summary>
        /// 设置进度值
        /// </summary>
        /// <param name="value">此值为百分比值(也就是小于或者等于1的)</param>
        public void SetValue(decimal value)
        {
            this.SetValueEx(value);
        }

        /// <summary>
        /// 设置进度值
        /// </summary>
        /// <param name="value">进度值,内部会除以maxValue</param>
        /// <param name="maxValue">最大值</param>
        public void SetValue(decimal value, decimal maxValue)
        {
            decimal result = value / maxValue;
            this.SetValueEx(result);
        }

        /// <summary>
        /// 设置进度值
        /// </summary>
        /// <param name="value"></param>
        private void SetValueEx(decimal value)
        {
            if (btnProgressBar == null)
            {
                return;
            }
            HdlThreadLogic.Current.RunMain(() =>
            {
                int width = (int)(value * ProRowWidth);
                btnProgressBar.Width = width;
                //文本显示
                btnProgressView.Text = ((int)(value * 100)) + "%";
                //文本显示的那个图片框移动
                frameProgress.X = ControlCommonResourse.XXLeft + btnProgressBar.Right - frameProgress.Width / 2;
            });
        }

        #endregion

        #region ■ 开启进度条_________________________

        /// <summary>
        /// 开启进度条
        /// </summary>
        public void Start()
        {
            if (this.bodyFrameLayout == null)
            {
                HdlThreadLogic.Current.RunMain(() =>
                {
                    //初始化进度条
                    this.InitProgressFormBar();
                });
            }
        }

        #endregion

        #region ■ 关闭进度条_________________________

        /// <summary>
        /// 关闭进度条
        /// </summary>
        public void Close()
        {
            HdlThreadLogic.Current.RunMain(() =>
            {
                if (this.oldScrollEnabled == true)
                {
                    //如果它原来就是不可以滑动的话，不处理
                    UserView.HomePage.Instance.ScrollEnabled = true;
                }
                Shared.Common.CommonPage.BackKeyCanClick = true;
                if (this.oldPrigressVisible == true)
                {
                    //如果原来的进度条是可见的话,还原回去
                    Common.CommonPage.Loading.Start(Common.CommonPage.Loading.Text);
                }

                bodyFrameLayout?.RemoveFromParent();
                bodyFrameLayout = null;
                btnText = null;
                btnProgressView = null;
                frameProgress = null;
                btnProgressBar = null;
            });
        }

        #endregion
    }
}