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

namespace Shared.Phone
{
    /// <summary>
    /// 底部弹窗项目选择界面
    /// </summary>
    public class BottomItemSelectForm : DialogCommonForm
    {
        #region ■ 变量声明___________________________

        /// <summary>
        /// <para>完成选择的事件(参数为选择的是列表的第几行,从0开始)</para>
        /// <para>当CancelCallEvent=true时,点击确认按钮时,参数为:-1</para>
        /// </summary>
        public Action<int> FinishSelectEvent = null;
        /// <summary>
        /// 前回选择的控件
        /// </summary>
        private NormalSelectControl oldSelectContr = null;
        /// <summary>
        /// 选择取消(不是左下角),并且按下确定键时,是否调用回调函数(调用时传递的参数是 -1,默认不回调)
        /// </summary>
        public bool CancelCallEvent = false;
        /// <summary>
        /// 选择的行能否取消(默认可以取消)
        /// </summary>
        public bool SelectRowCanCancel = true;

        #endregion

        #region ■ 初始化_____________________________

        /// <summary>
        /// 画面显示(底层会固定调用此方法，借以完成画面创建)
        /// </summary>
        /// <param name="i_topText">头部标题</param>
        /// <param name="i_listText">需要显示的列表信息</param>
        /// <param name="i_listBottomText">需要显示的列表信息(底部),如果只是单行显示,则此值设置为null(如果不为null,但是索引所指向的值为null,则该行强制单行显示)</param>
        /// <param name="i_selectNo">设置哪个文本为默认选择(不设置填-1)</param>
        public void ShowForm(string i_topText, List<string> i_listText, List<string> i_listBottomText, int i_selectNo)
        {
            //初始化中部信息
            this.InitMiddleFrame(i_topText, i_listText, i_listBottomText, i_selectNo);
        }

        /// <summary>
        /// 初始化中部信息
        /// </summary>
        /// <param name="i_topText">头部标题</param>
        /// <param name="i_listText">需要显示的列表信息</param>
        /// <param name="i_listBottomtext">需要显示的列表信息(底部)</param>
        /// <param name="i_selectNo">默认选择</param>
        private void InitMiddleFrame(string i_topText, List<string> i_listText, List<string> i_listBottomtext, int i_selectNo)
        {
            //不能够滑动的东西
            FrameListControl listDetailView1 = null;
            //能够滑动的东西
            VerticalListControl listDetailView2 = null;

            //★★从下往上添加控件★★

            //明细高度(初始最多只显示9行)
            int detailHeight = HdlControlResourse.ListViewRowHeight + Application.GetRealHeight(12);
            if (i_listText.Count > 9)
            {
                //63:上部间距  58:下部间距
                detailHeight = detailHeight * 9 + Application.GetRealHeight(63 + 58);
                listDetailView2 = new VerticalListControl(12);
                listDetailView2.Height = detailHeight;
                listDetailView2.Gravity = Gravity.BottomCenter;
                listDetailView2.BackgroundColor = UserCenterColor.Current.White;
                bodyFrameLayout.AddChidren(listDetailView2);
            }
            else
            {
                //63:上部间距  58:下部间距
                detailHeight = detailHeight * i_listText.Count + Application.GetRealHeight(63 + 58);
                listDetailView1 = new FrameListControl(12);
                listDetailView1.Height = detailHeight;
                listDetailView1.Gravity = Gravity.BottomCenter;
                listDetailView1.BackgroundColor = UserCenterColor.Current.White;
                bodyFrameLayout.AddChidren(listDetailView1);
            }
            //线
            int lineYY = listDetailView1 != null ? listDetailView1.Y : listDetailView2.Y;
            var btnLine = new NormalViewControl(bodyFrameLayout.Width, HdlControlResourse.BottomLineHeight, false);
            btnLine.Y = lineYY - HdlControlResourse.BottomLineHeight;
            btnLine.BackgroundColor = UserCenterColor.Current.ButtomLine;
            bodyFrameLayout.AddChidren(btnLine);

            //头部白色背景
            var topBackFame = new FrameLayout();
            topBackFame.Y = btnLine.Y - Application.GetRealHeight(138);
            topBackFame.BackgroundColor = UserCenterColor.Current.White;
            topBackFame.Height = Application.GetRealHeight(138);
            topBackFame.SetCornerWithSameRadius(Application.GetRealHeight(58), HDLUtils.RectCornerTopLeft | HDLUtils.RectCornerTopRight);
            bodyFrameLayout.AddChidren(topBackFame);

            //头部信息
            var btnTitle = new NormalViewControl(topBackFame.Width, Application.GetRealHeight(65), false);
            btnTitle.Y = Application.GetRealHeight(34);
            btnTitle.Text = i_topText;
            btnTitle.TextColor = UserCenterColor.Current.TextColor4;
            btnTitle.TextSize = 16;
            btnTitle.TextAlignment = TextAlignment.Center;
            topBackFame.AddChidren(btnTitle);

            //取消
            var btnCancel = new NormalViewControl(Application.GetRealWidth(200), topBackFame.Height, false);
            btnCancel.X = Application.GetRealWidth(81);
            btnCancel.TextColor = UserCenterColor.Current.TextGrayColor1;
            btnCancel.TextID = R.MyInternationalizationString.uCancel;
            topBackFame.AddChidren(btnCancel);
            btnCancel.ButtonClickEvent += (sender, e) =>
            {
                this.CloseForm();
            };

            //完成
            var btnFinish = new NormalViewControl(Application.GetRealWidth(200), topBackFame.Height, false);
            btnFinish.X = topBackFame.Width - btnCancel.X - Application.GetRealWidth(200);
            btnFinish.TextAlignment = TextAlignment.CenterRight;
            btnFinish.TextColor = 0xfffb744a;
            btnFinish.TextID = R.MyInternationalizationString.uFinish;
            topBackFame.AddChidren(btnFinish);
            btnFinish.ButtonClickEvent += (sender, e) =>
            {
                if (FinishSelectEvent != null && oldSelectContr != null)
                {
                    //回调函数
                    FinishSelectEvent.Invoke(Convert.ToInt32(oldSelectContr.MainKeys));
                }
                else if (FinishSelectEvent != null && this.CancelCallEvent == true)
                {
                    //回调函数
                    FinishSelectEvent.Invoke(-1);
                }
                this.CloseForm();
            };

            //添加一个白色的间距
            var frameSpace = new FrameLayout();
            frameSpace.Height = Application.GetRealHeight(63);
            listDetailView1?.AddChidren(frameSpace);
            listDetailView2?.AddChidren(frameSpace);

            //明细列表控件
            int rowSpace = listDetailView1 != null ? listDetailView1.rowSpace : listDetailView2.rowSpace;
            for (int i = 0; i < i_listText.Count; i++)
            {
                NormalSelectControl btnRow = null;
                if (i_listBottomtext == null || i_listBottomtext[i] == null)
                {
                    //只显示一行
                    btnRow = new NormalSelectControl(i_listText[i], rowSpace / 2);
                }
                else
                {
                    //显示上下两行
                    btnRow = new NormalSelectControl(i_listText[i], i_listBottomtext[i], rowSpace / 2);
                }
                btnRow.LeftOffset = Application.GetRealWidth(81) - HdlControlResourse.XXLeft;//向右偏移
                btnRow.RightOffset = HdlControlResourse.XXLeft - Application.GetRealWidth(81);//向左偏移
                listDetailView1?.AddChidren(btnRow);
                listDetailView2?.AddChidren(btnRow);

                btnRow.InitControl();
                btnRow.MainKeys = i.ToString();
                btnRow.ButtonClickEvent += (sender, e) =>
                {
                    //取消选择
                    if (btnRow.IsSelected == true)
                    {
                        //允许取消的时候,才能取消
                        if (this.SelectRowCanCancel == true)
                        {
                            btnRow.IsSelected = false;
                            oldSelectContr = null;
                        }
                        return;
                    }
                    if (oldSelectContr != null)
                    {
                        oldSelectContr.IsSelected = false;
                    }
                    btnRow.IsSelected = true;
                    oldSelectContr = btnRow;
                };
                //默认选择
                if (i == i_selectNo)
                {
                    btnRow.IsSelected = true;
                    oldSelectContr = btnRow;
                }
                if (i != i_listText.Count - 1)
                {
                    //底线
                    btnRow.AddBottomLine();
                }
            }
            
            //如果是滑动控件,则添加底部间距
            if (listDetailView2 != null)
            {
                var frameSpace2 = new FrameLayout();
                frameSpace2.Height = Application.GetRealHeight(58);
                listDetailView2?.AddChidren(frameSpace2);
            }
        }

        #endregion
    }
}