using System;
using System.Collections.Generic;

namespace Shared.Phone.UserCenter
{
    /// <summary>
    /// 房间选择画面，
    /// 它从[DeviceInfoForm,AddedDeviceInfoForm]画面打开
    /// </summary>
    public class SelectRoomForm : UserCenterCommonForm
    {
        /// <summary>
        /// 房间选择确定后的回调函数(房间名)
        /// </summary>
        public Action<List<string>> ActionSelectRoom = null;
        /// <summary>
        /// 列表控件
        /// </summary>
        private VerticalScrolViewLayout listView = null;
        /// <summary>
        /// 设备原来的房间
        /// </summary>
        private List<string> listRoomName = new List<string>();

        /// <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_listRoomName">已经选了的房间名字</param>
        public void ShowForm(List<string> i_listRoomName)
        {
            this.listRoomName = i_listRoomName;

            //设置标题信息
            base.SetTitleText(Language.StringByID(R.MyInternationalizationString.uSelectRoom));

            //完成
            var btnfinish = new TopLayoutFinshView();
            topFrameLayout.AddChidren(btnfinish);
            btnfinish.MouseUpEventHandler += (sender, e) =>
            {
                List<string> listName = this.GetRoomNameFromRow();
                if (ActionSelectRoom != null)
                {
                    ActionSelectRoom(listName);
                }
                this.CloseForm();
            };

            listView = new VerticalScrolViewLayout();
            listView.Height = bodyFrameLayout.Height;
            bodyFrameLayout.AddChidren(listView);

            //添加房间行
            this.AddAllRoomRow();
        }

        /// <summary>
        /// 添加所有房间行
        /// </summary>
        private void AddAllRoomRow()
        {
            new System.Threading.Thread(() =>
            {
                foreach (Common.Room room in Common.Room.Lists)
                {
                    if (room.IsSharedRoom == true && this.listRoomName.Contains(room.Name) == false)
                    {
                        //分享的房间不能显示，如果该设备本来就属于分享的房间，则可以显示，但不能取消
                        continue;
                    }
                    Application.RunOnMainThread(() =>
                    {
                        this.AddRoomRow(room);
                    });
                }
            })
            { IsBackground = true }.Start();
        }

        /// <summary>
        /// 添加房间行
        /// </summary>
        /// <param name="room">Room.</param>
        private void AddRoomRow(Common.Room room)
        {
            var row = new RoomSelectRow(listView, room);

            //设置选择状态
            if (this.listRoomName.Contains(room.Name) == true)
            {
                if (room.IsSharedRoom == true)
                {
                    //分享的房间不允许取消
                    row.SelectCancel = false;
                }
                row.IsSelected = true;
            }
        }

        /// <summary>
        /// 获取选中的房间
        /// </summary>
        /// <returns></returns>
        private List<string> GetRoomNameFromRow()
        {
            List<string> listName = new List<string>();
            for (int i = 0; ; i++)
            {
                var row = (RoomSelectRow)this.listView.GetChildren(i);
                if (row == null)
                {
                    break;
                }
                if (row.IsSelected == true)
                {
                    listName.Add(row.RoomName);
                }
            }
            return listName;
        }
    }
}