using System;
using System.Collections.Generic;
using System.Text;
using ZigBee.Device;

namespace Shared.Phone
{
    /// <summary>
    /// 设备选择的界面
    /// </summary>
    public class SelectDeviceForm : EditorCommonForm
    {
        #region ■ 变量声明___________________________

        /// <summary>
        /// 设备选择确定后的回调函数(此函数在点击确认后，会先关闭界面再执行回调方法,与ActionSelectDeviceEx不共存)
        /// </summary>
        public Action<List<CommonDevice>> ActionSelectDevice = null;
        /// <summary>
        /// 设备选择确定后的回调函数(此函数在点击确认后，不会关闭界面,与ActionSelectDevice不共存,关闭界面请调用CloseForm函数)
        /// </summary>
        public Action<List<CommonDevice>> ActionSelectDeviceEx = null;
        /// <summary>
        /// 列表控件
        /// </summary>
        private VerticalListControl listView = null;
        /// <summary>
        /// 前回选择的行
        /// </summary>
        private DeviceSelectControl oldSelectRow = 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>
        /// <param name="i_listShowDevice">需要显示设备列表(有些界面需要剔除一些不要的设备)</param>
        /// <param name="i_listSelectDevice">指定哪些设备的初始状态为选中状态(设备的主键)</param>
        /// <param name="SelcetCancel">初始选中状态的设备能否取消 true:可以 false:不允许</param>
        /// <param name="SelectOnlyOne">是否只能选择一个 true:只能选择一个 false:可以多选</param>
        public void ShowForm(List<CommonDevice> i_listShowDevice, List<string> i_listSelectDevice, bool SelcetCancel = true, bool SelectOnlyOne = false)
        {
            //设置标题信息
            base.SetTitleText(Language.StringByID(R.MyInternationalizationString.uSelectDevice));

            //初始化中部信息
            this.InitMiddleFrame(i_listShowDevice, i_listSelectDevice, SelcetCancel, SelectOnlyOne);
        }

        /// <summary>
        /// 初始化中部信息
        /// </summary>
        private void InitMiddleFrame(List<CommonDevice> i_listShowDevice, List<string> i_listSelectDevice, bool SelcetCancel, bool SelectOnlyOne)
        {
            //清空bodyFrame
            this.ClearBodyFrame();

            if (i_listShowDevice.Count == 0)
            {
                //没有可添加的目标
                this.ShowNotDataImage(bodyFrameLayout, Language.StringByID(R.MyInternationalizationString.uNotHadAddTarget));
                return;
            }

            listView = new VerticalListControl(29);
            listView.Y = Application.GetRealHeight(-6);
            listView.Height = bodyFrameLayout.Height + Application.GetRealHeight(6);
            listView.BackgroundColor = UserCenterColor.Current.White;
            bodyFrameLayout.AddChidren(listView);

            //添加所有设备行
            HdlThreadLogic.Current.RunMainInThread(() =>
            {
                int count = i_listShowDevice.Count - 1;
                for (int i = 0; i < i_listShowDevice.Count; i++)
                {
                    //添加明细行
                    this.AddDeviceRow(i_listShowDevice[i], i_listSelectDevice, SelcetCancel, SelectOnlyOne, i != count);
                }
                //调整列表控件的高度
                listView.AdjustRealHeightByBottomButton(Application.GetRealHeight(23), Application.GetRealHeight(6));
            });

            //完成
            var btnfinish = new BottomClickButton();
            btnfinish.TextID = R.MyInternationalizationString.uFinish;
            bodyFrameLayout.AddChidren(btnfinish);
            btnfinish.ButtonClickEvent += (sender, e) =>
            {
                List<CommonDevice> listDevice = this.GetListDeviceFromRow();
                if (ActionSelectDeviceEx != null)
                {
                    ActionSelectDeviceEx(listDevice);
                    return;
                }

                this.CloseForm();
                if (ActionSelectDevice != null)
                {
                    ActionSelectDevice(listDevice);
                    ActionSelectDevice = null;
                }
            };
        }

        #endregion

        #region ■ 添加设备行_________________________

        /// <summary>
        /// 添加设备行
        /// </summary>
        /// <param name="device">设备</param>
        /// <param name="i_listSelectDevice">指定哪些设备的初始状态为选中状态(设备的主键)</param>
        /// <param name="SelcetCancel">初始选中状态的设备能否取消 true:可以 false:不允许</param>
        /// <param name="SelectOnlyOne">是否只能选择一个 true:只能选择一个 false:可以多选</param>
        /// <param name="addLine">是否添加底线</param>
        private void AddDeviceRow(CommonDevice device, List<string> i_listSelectDevice, bool SelcetCancel, bool SelectOnlyOne, bool addLine)
        {
            string mainkeys = HdlDeviceCommonLogic.Current.GetDeviceMainKeys(device);
            var row = new DeviceSelectControl(device, SelectOnlyOne == false, listView.rowSpace / 2);
            row.MainKeys = mainkeys;
            listView.AddChidren(row);
            row.InitControl();
            //底线
            if (addLine == true)
            {
                row.AddBottomLine();
            }

            //设置选择状态
            string mainKeys = HdlDeviceCommonLogic.Current.GetDeviceMainKeys(device);
            if (i_listSelectDevice.Contains(mainKeys) == true)
            {
                row.SelectCancel = SelcetCancel;
                row.IsSelected = true;
                if (SelectOnlyOne == true)
                {
                    oldSelectRow = row;
                }
            }
            if (SelectOnlyOne == true)
            {
                row.ButtonClickEvent += (sender, e) =>
                {
                    //取反
                    row.IsSelected = !row.IsSelected;
                    if (oldSelectRow != null && oldSelectRow.MainKeys != row.MainKeys)
                    {
                        oldSelectRow.IsSelected = false;
                        oldSelectRow = null;
                    }
                    if (row.IsSelected == true)
                    {
                        oldSelectRow = row;
                    }
                };
            }
        }

        #endregion

        #region ■ 获取选中设备_______________________

        /// <summary>
        /// 获取选中的设备
        /// </summary>
        /// <returns></returns>
        private List<CommonDevice> GetListDeviceFromRow()
        {
            List<CommonDevice> listDevice = new List<CommonDevice>();
            for (int i = 0; i < this.listView.ChildrenCount; i++)
            {
                var myView = this.listView.GetChildren(i);
                if (myView is DeviceSelectControl)
                {
                    var row = (DeviceSelectControl)myView;
                    if (row.IsSelected == true)
                    {
                        listDevice.Add(row.device);
                    }
                }
            }
            return listDevice;
        }

        #endregion

        #region ■ 界面关闭___________________________

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

            base.CloseFormBefore();
        }

        #endregion
    }
}