using Shared;
using System;
using System.Collections.Generic;

namespace HDL_ON.Stan
{
    /// <summary>
    /// 个人中心的共通基层画面，继承于此共通的画面，请使用AddForm()函数实现添加画面
    /// 然后在各自的画面中，实现一个ShowForm()的函数(参数由添加画面时，使用的函数的参数指定)
    /// </summary>
    public class EditorCommonForm : CommonFormBase
    {
        #region ■ 变量声明___________________________

        /// <summary>
        /// 返回按键的点击事件(如果实现此事件,则底层的事件将不会再触发)
        /// </summary>
        public Action BackButtonClickEvent = null;
        /// <summary>
        /// TopMenuFrameLayout
        /// </summary>
        public NormalFrameLayout topMenuFrameLayout = null;
        /// <summary>
        /// TopFrameLayout
        /// </summary>
        public NormalFrameLayout topFrameLayout = null;
        /// <summary>
        /// bodyFrameLayout
        /// </summary>
        public NormalFrameLayout bodyFrameLayout = null;
        /// <summary>
        /// 缓存启动参数
        /// </summary>
        private object[] m_parameter = null;

        #endregion

        #region ■ 初始化_____________________________

        /// <summary>
        /// 初始化界面框架
        /// </summary>
        public override void InitForm()
        {
            base.InitForm();

            //初始化头部控件
            this.InitTopFrameLayout();

            //初始化中部控件
            this.InitBodyFrameLayout();
        }

        /// <summary>
        /// 执行ShowForm()方法
        /// </summary>
        /// <param name="parameter">启动参数</param>
        public override void LoadShowFormMethod(params object[] parameter)
        {
            this.m_parameter = parameter;
            base.LoadShowFormMethod(parameter);
        }

        #endregion

        #region ■ 初始化界面_________________________

        #region ■ Top________________________________

        /// <summary>
        /// 初始化头部控件
        /// </summary>
        public void InitTopFrameLayout()
        {
            if (topFrameLayout != null)
            {
                return;
            }

            //TopMenuFrameLayout做成
            topMenuFrameLayout = new NormalFrameLayout();
            topMenuFrameLayout.Height = HdlControlResourse.TopMenuFrameHeight;
            topMenuFrameLayout.BackgroundColor = UI.CSS.CSS_Color.TopViewColor;
            topMenuFrameLayout.Name = "topMenuFrameLayout";
            this.AddChidren(topMenuFrameLayout);

            //TopFrameLayout做成
            topFrameLayout = new NormalFrameLayout();
            topFrameLayout.Height = HdlControlResourse.TopFrameHeight;
            topFrameLayout.BackgroundColor = UI.CSS.CSS_Color.TopViewColor;
            topFrameLayout.Y = topMenuFrameLayout.Bottom;
            topFrameLayout.Name = "topFrameLayout";
            this.AddChidren(topFrameLayout);

            //返回键
            var btnBack = new PicViewControl(40, 28);
            btnBack.X = Application.GetRealWidth(10);
            btnBack.Y = Application.GetRealHeight(9);
            btnBack.UnSelectedImagePath = "Public/BackIcon.png";
            topFrameLayout.AddChidren(btnBack);
            topFrameLayout.AddTag("btnBack", btnBack);
            //一个加大返回按键点击区域的东西
            var frameBtnBack = new NormalFrameLayout();
            frameBtnBack.Width = Application.GetRealWidth(100);
            topFrameLayout.AddChidren(frameBtnBack);
            topFrameLayout.AddTag("frameBtnBack", frameBtnBack);
            frameBtnBack.ButtonClickEvent += (sender, e) =>
            {
                if (this.BackButtonClickEvent != null)
                {
                    //如果实现此事件,则底层的事件将不会再触发
                    this.BackButtonClickEvent();
                    return;
                }
                //画面关闭
                this.CloseForm();
            };

            //标题
            var btnTilte = new NormalViewControl(270, 25, true);
            btnTilte.Gravity = Gravity.CenterHorizontal;
            btnTilte.Y = Application.GetRealHeight(10);
            btnTilte.TextAlignment = TextAlignment.Center;
            btnTilte.TextSize = UI.CSS.CSS_FontSize.HeadlineFontSize;
            btnTilte.TextColor = UI.CSS.CSS_Color.FirstLevelTitleColor;
            topFrameLayout.AddChidren(btnTilte);
            topFrameLayout.AddTag("txtTitle", btnTilte);
        }

        #endregion

        #region ■ Middle_____________________________

        /// <summary>
        /// 初始化中部控件
        /// </summary>
        public void InitBodyFrameLayout()
        {
            if (bodyFrameLayout != null)
            {
                return;
            }
            bodyFrameLayout = new NormalFrameLayout();
            bodyFrameLayout.Height = HdlControlResourse.BodyFrameHeight;
            bodyFrameLayout.Y = topFrameLayout.Bottom;
            bodyFrameLayout.BackgroundColor = UI.CSS.CSS_Color.BackgroundColor;
            bodyFrameLayout.Name = "bodyFrameLayout";
            this.AddChidren(bodyFrameLayout);
        }

        #endregion

        #endregion

        #region ■ 添加界面___________________________

        /// <summary>
        /// 添加画面,启动参数由指定画面的ShowForm函数所指定
        /// </summary>
        /// <param name="parameter">启动参数：参数由指定画面的ShowForm函数所指定</param>
        public override void AddForm(params object[] parameter)
        {
            base.AddForm(parameter);

            MainPage.BasePageView.AddChidren(this);
            MainPage.BasePageView.PageIndex = MainPage.BasePageView.ChildrenCount - 1;

            //初始化界面框架
            this.InitForm();

            //执行ShowForm()方法
            this.LoadShowFormMethod(parameter);
        }

        #endregion

        #region ■ 关闭界面___________________________

        /// <summary>
        /// 画面关闭
        /// </summary>
        public override void CloseFormBefore()
        {
            base.CloseFormBefore();

            this.BackButtonClickEvent = null;

            this.m_parameter = null;
            //清空bodyFrame
            this.ClearBodyFrame();
        }

        #endregion

        #region ■ 显示重新加载_______________________

        /// <summary>
        /// 显示重新加载的界面(主要是用在界面加载错误时，再次加载)
        /// </summary>
        public override void ShowReLoadView()
        {
            HdlThreadLogic.Current.RunMain(() =>
            {
                if (bodyFrameLayout == null || bodyFrameLayout.Parent == null)
                {
                    return;
                }
                bodyFrameLayout.RemoveAll();
                //切换为重新加载模式时的事件
                this.ReLoadModelEventMethod();

                var frame = new NormalFrameLayout();
                bodyFrameLayout.AddChidren(frame);

                //重新加载
                var btnReLoad = new BottomClickButton();
                btnReLoad.Gravity = Gravity.Center;
                btnReLoad.TextID = StringId.DoReloadAgain;
                frame.AddChidren(btnReLoad);
                btnReLoad.ButtonClickEvent += (sender, e) =>
                {
                    //清除全部控件
                    this.ClearBodyFrame();

                    //执行ShowForm()方法实现重新加载
                    this.LoadShowFormMethod(this.m_parameter);
                };

                //清除topFrameLayout的非默认的控件
                var list = new List<View>();
                for (int i = 0; i < topFrameLayout.ChildrenCount; i++)
                {
                    var view = topFrameLayout.GetChildren(i);
                    if (view.Name == "btnBack" || view.Name == "txtTitle")
                    {
                        //这里是默认的底层控件
                        continue;
                    }
                    list.Add(view);
                }
                foreach (var view in list)
                {
                    view?.RemoveFromParent();
                }
            });
        }

        /// <summary>
        /// 切换为【重新加载模式】时的事件函数,旨在关闭所有线程信息
        /// </summary>
        public virtual void ReLoadModelEventMethod()
        {
        }

        #endregion

        #region ■ 界面重新激活事件___________________

        /// <summary>
        /// <para>自身的上层界面关闭后,它自身处于最上层时,触发的事件</para>
        /// <para>重写的时候返回值请返回1(返回值是给底层使用的)</para>
        /// </summary>
        public virtual int FormActionAgainEvent()
        {
            return -1;
        }

        #endregion

        #region ■ 清空BodyFrame______________________

        /// <summary>
        /// 清空BodyFrame
        /// </summary>
        public void ClearBodyFrame()
        {
            if (this.Parent == null)
            {
                return;
            }
            if (bodyFrameLayout == null || bodyFrameLayout.Parent == null)
            {
                return;
            }
            bodyFrameLayout.RemoveAll();
        }

        #endregion

        #region ■ 一般的方法_________________________

        /// <summary>
        /// 设置标题信息
        /// </summary>
        /// <param name="title">Title.</param>
        public void SetTitleText(string title)
        {
            //设置头部信息
            var btntitle = (Button)topFrameLayout.GetTagByKey("txtTitle");
            btntitle.Text = title;
        }

        /// <summary>
        /// 移除返回键
        /// </summary>
        public void RemoveBackButton()
        {
            //移除返回键
            var back = (NormalViewControl)topFrameLayout.GetTagByKey("btnBack");
            topFrameLayout.RemoveTag("btnBack");
            back?.RemoveFromParent();

            var back2 = (NormalFrameLayout)topFrameLayout.GetTagByKey("frameBtnBack");
            topFrameLayout.RemoveTag("frameBtnBack");
            back2?.RemoveFromParent();
        }

        #endregion
    }
}