using Shared;
using HDL_ON.UI.CSS;
using System;
using System.Collections.Generic;
using System.Text;

namespace HDL_ON.Stan
{
    /// <summary>
    /// 底部项目选择控件
    /// </summary>
    public class BottomItemSelectControl: BottomDialogCommon
    {
        #region ■ 变量声明___________________________

        /// <summary>
        /// 结束事件,可以多选(0:点击了取消,第二参数为null 1:点击了确定,第二参数为选择的索引,从0开始)
        /// </summary>
        public Action<int, List<int>> FinishEvent = null;
        /// <summary>
        /// 结束事件,只能选择一个(0:点击了取消,第二参数为null 1:点击了确定,第二参数为选择的索引,从0开始)
        /// </summary>
        public Action<int, int> FinishOnlyEvent = null;
        /// <summary>
        /// 选择的索引
        /// </summary>
        private List<int> ListSelect = new List<int>();
        /// <summary>
        /// 列表控件
        /// </summary>
        private VerticalListControl listView = null;
        /// <summary>
        /// 当前选择的图标控件
        /// </summary>
        private MostRightIconControl btnNowSelectIcon = null;

        #endregion

        #region ■ 初始化_____________________________

        /// <summary>
        /// 有标题的弹窗型菜单选择控件
        /// </summary>
        /// <param name="i_RowCount">菜单行数(不含标题)</param>
        /// <param name="i_title">标题</param>
        /// <param name="clickBackClose">点击背景时,是否关闭弹窗</param>
        public BottomItemSelectControl(int i_RowCount, string i_title, bool clickBackClose = true)
        {
            //最大显示7个
            base.RowCount = i_RowCount > 7 ? 7 : i_RowCount;
            base.ClickBackClose = clickBackClose;
            base.StrTitle = i_title;
        }

        /// <summary>
        /// 初始化控件
        /// </summary>
        private void InitControl()
        {
            //已经初始化
            if (base.btnCancel != null) { return; }

            //初始化底层控件
            var frameWhiteBack = base.InitBaseControl();
            //取消
            base.btnCancel.ButtonClickEvent += (sender, e) =>
            {
                base.Close();
                this.FinishEvent?.Invoke(0, null);
                this.FinishOnlyEvent?.Invoke(0, 0);
                this.FinishEvent = null;
                this.FinishOnlyEvent = null;
            };

            base.btnConfirm.ButtonClickEvent += (sender, e) =>
            {
                //有选择才能点确认
                if (this.ListSelect.Count > 0)
                {
                    base.Close();
                    this.FinishEvent?.Invoke(1, this.ListSelect);
                    this.FinishOnlyEvent?.Invoke(1, this.ListSelect[0]);
                    this.FinishEvent = null;
                    this.FinishOnlyEvent = null;
                }
            };

            //列表控件
            this.listView = new VerticalListControl();
            listView.Y = btnConfirm.Bottom;
            listView.Height = this.RowCount * this.RowHeight;
            frameWhiteBack.AddChidren(listView);
        }

        #endregion

        #region ■ 添加菜单___________________________

        /// <summary>
        /// 添加菜单行
        /// </summary>
        /// <param name="i_listText">显示的列表文字</param>
        /// <param name="i_listSelect">默认选择(请勿设置为null)</param>
        public void AddRowMenu(List<string> i_listText, List<int> i_listSelect)
        {
            foreach (var index in i_listSelect)
            {
                if (index >= 0)
                {
                    //舍弃掉一些非法的数据
                    this.ListSelect.Add(index);
                }
            }

            //先初始化控件
            this.InitControl();

            for (int index = 0; index < i_listText.Count; index++)
            {
                //生成行控件
                this.CreatRowControl(i_listText[index], index);
            }
        }

        /// <summary>
        /// 生成行控件
        /// </summary>
        /// <param name="i_text">显示文本</param>
        /// <param name="i_index">索引</param>
        private void CreatRowControl(string i_text, int i_index)
        {
            //它的上一行
            var rowBefor = this.listView.GetChildren(this.listView.ChildrenCount - 1) as FrameRowControl;
            if (rowBefor != null)
            {
                //画底线
                var btnLine = rowBefor.AddBottomLine();
                btnLine.Width = rowBefor.Width - Application.GetRealWidth(20) * 2;
                btnLine.Gravity = Gravity.CenterHorizontal;
            }

            //行
            var rowContr = new FrameRowControl();
            rowContr.LeftOffset = Application.GetRealWidth(20) - HdlControlResourse.XXLeft;
            rowContr.RightOffset = HdlControlResourse.XXLeft - Application.GetRealWidth(12);
            rowContr.Width = this.listView.Width;
            rowContr.Height = this.RowHeight;
            this.listView.AddChidren(rowContr);
            //显示文本
            var btnView = rowContr.AddLeftCaption(i_text, 150);
            btnView.TextColor = CSS_Color.FirstLevelTitleColor;
            //选择图标
            var btnIcon = rowContr.AddMostRightEmptyIcon(28, 28);
            btnIcon.MainKey = i_index.ToString();
            btnIcon.UnSelectedImagePath = "Public/ChooseIcon.png";
            btnIcon.SelectedImagePath = "Public/ChooseOnIcon.png";
            if (this.ListSelect.Contains(i_index) == true)
            {
                btnIcon.IsSelected = true;
                this.btnNowSelectIcon = btnIcon;
            }
            rowContr.ButtonClickEvent += (sender, e) =>
            {
                btnIcon.IsSelected = !btnIcon.IsSelected;
                if (btnIcon.IsSelected == true)
                {
                    this.ListSelect.Add(i_index);
                    if (this.FinishOnlyEvent != null)
                    {
                        //如果选择了只能选择一个的模式,则取消掉上一次的选择
                        if (this.btnNowSelectIcon != null)
                        {
                            this.btnNowSelectIcon.IsSelected = false;
                            this.ListSelect.Remove(Convert.ToInt32(this.btnNowSelectIcon.MainKey));
                        }
                        this.btnNowSelectIcon = btnIcon;
                    }
                }
                else
                {
                    this.ListSelect.Remove(i_index);
                    this.btnNowSelectIcon = null;
                }
            };
        }

        #endregion

        #region ■ 一般方法___________________________

        /// <summary>
        /// 关闭界面
        /// </summary>
        public override void Close()
        {
            base.Close();
            this.FinishEvent = null;
            this.FinishOnlyEvent = null;
        }

        #endregion
    }
}