using Shared.Phone.UserCenter;
using System;
using System.Collections.Generic;
using System.Text;

namespace Shared.Phone.MainPage
{
    /// <summary>
    /// 选择本地设备图片的界面
    /// </summary>
    public class SelectLocalDeviceImageForm : EditorCommonForm
    {
        #region ■ 变量声明___________________________

        /// <summary>
        /// 结束选择的事件(图片名字)
        /// </summary>
        public Action<string> FinishSelectEvent = null;
        /// <summary>
        /// 当前选择的图标控件
        /// </summary>
        private PicViewControl selectContr = null;

        #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>
        public void ShowForm()
        {
            //初始化中部信息
            this.InitMiddleFrame();
            //设置头部信息
            base.SetTitleText(Language.StringByID(R.MyInternationalizationString.SelectIcon));
        }

        /// <summary>
        /// 初始化中部信息
        /// </summary>
        private void InitMiddleFrame()
        {
            //清空bodyFrame
            this.ClearBodyFrame();

            //列表控件
            var listView = new VerticalListControl();
            listView.Height = bodyFrameLayout.Height;
            bodyFrameLayout.AddChidren(listView);

            int space = this.GetPictrueRealSize(46);
            int backWidth = (listView.Width - ControlCommonResourse.XXLeft * 2 - space * 3) / 4;
            //防止误差，分两步计算
            int iconWidth = backWidth - this.GetPictrueRealSize(43) - this.GetPictrueRealSize(43);

            //一共28张图片
            FrameLayout frameRow = null;
            for (int i = 0; i < 28; i++)
            {
                //4个一组
                if (i % 4 == 0)
                {
                    //行控件
                    frameRow = new FrameLayout();
                    frameRow.Height = backWidth + Application.GetRealHeight(58);
                    listView.AddChidren(frameRow);
                }
                //背景
                var frameBack = new FrameLayoutStatuControl();
                frameBack.UseClickStatu = false;
                frameBack.Height = backWidth;
                frameBack.Width = backWidth;
                frameBack.Radius = (uint)backWidth / 2;
                frameBack.BackgroundColor = UserCenterColor.Current.White;
                frameBack.X = ControlCommonResourse.XXLeft + (i % 4) * (backWidth + space);
                frameBack.Y = Application.GetRealHeight(58);
                frameRow.AddChidren(frameBack);

                //图片
                var btnIcon = new PicViewControl(iconWidth, iconWidth, false);
                btnIcon.UnSelectedImagePath = $"FunctionIcon/{i + 1}Icon.png";
                btnIcon.SelectedImagePath = $"FunctionIcon/{i + 1}IconSelected.png";
                btnIcon.Gravity = Gravity.Center;
                frameBack.AddChidren(btnIcon, ChidrenBindMode.BindEvent);

                frameBack.ButtonClickEvent += (sender, e) =>
                {
                    btnIcon.IsSelected = !btnIcon.IsSelected;
                    if (this.selectContr != null && this.selectContr.UnSelectedImagePath != btnIcon.UnSelectedImagePath)
                    {
                        //取消掉前一个
                        this.selectContr.IsSelected = false;
                    }
                    this.selectContr = btnIcon;
                };
            }

            //确定
            var btnSave = new BottomClickButton();
            btnSave.TextID = R.MyInternationalizationString.uConfirm1;
            bodyFrameLayout.AddChidren(btnSave);
            btnSave.ButtonClickEvent += (sender, e) =>
            {
                if (this.selectContr != null && this.selectContr.IsSelected == true)
                {
                    //调用回调函数
                    this.FinishSelectEvent?.Invoke(this.selectContr.UnSelectedImagePath);
                }
                this.CloseForm();
            };

            //调整桌布高度
            listView.AdjustRealHeightByBottomButton(Application.GetRealHeight(23));
        }

        #endregion

        #region ■ 界面关闭___________________________

        /// <summary>
        /// 界面关闭
        /// </summary>
        public override void CloseFormBefore()
        {
            this.FinishSelectEvent = null;

            base.CloseFormBefore();
        }

        #endregion
    }
}