using System;
using HDL_ON.UI.CSS;
using Shared;
using HDL_ON.Entity;

namespace HDL_ON.UI
{
    public partial class FloorsManagementPage : FrameLayout
    {
        FrameLayout bodyView;
        /// <summary>
        /// 楼层显示区域
        /// </summary>
        VerticalScrolViewLayout floorsListView;
        /// <summary>
        /// 显示区域
        /// </summary>
        FrameLayout contentView;
        /// <summary>
        /// 楼层标题按钮
        /// </summary>
        Button btnFloorTitle;


        /// <summary>
        /// 房间绑定楼层的确定按钮
        /// </summary>
        Button btnConfrim;
        /// <summary>
        /// 当页面是编辑楼层时，该变量为空
        /// 当页面是给房间绑定楼层时，该变量不为空
        /// </summary>
        Room room;
        /// <summary>
        /// 标题栏修改楼层之后的回调事件
        /// </summary>
        Action<string,string> refreshFloorList;
        /// <summary>
        /// 后退回调事件
        /// </summary>
        Action backAction;
        /// <summary>
        /// 最后一次点击的按钮
        /// </summary>
        Button lastButton;

        public FloorsManagementPage()
        {
            bodyView = this;
        }

        /// <summary>
        /// 从房间进入楼层修改界面，需要回调事件更新房间的楼层信息
        /// </summary>
        /// <param name="action"></param>
        public FloorsManagementPage(Action action)
        {
            bodyView = this;
            backAction = action;
        }
        /// <summary>
        /// 加载界面
        /// </summary>
        public void LoadPage(int titleId)
        {

            bodyView.RemoveAll();
            bodyView.BackgroundColor = CSS_Color.BackgroundColor;
            refreshFloorList = (type,floorName) => {
                RefreshFloorsListView(type, floorName);
            };
            new TopViewDiv(bodyView, Language.StringByID(titleId)).LoadTopView("floors",refreshFloorList,backAction);

            int count = DB_ResidenceData.residenceData.floors.Count > 8 ? 8 : DB_ResidenceData.residenceData.floors.Count;
            var contentViewHeight = (count + 1) * Application.GetRealHeight(50);

            contentView = new FrameLayout()
            {
                Gravity = Gravity.CenterHorizontal,
                Y = Application.GetRealHeight(80),
                Width = Application.GetRealWidth(343),
                Height = contentViewHeight,
                Radius = (uint)Application.GetRealHeight(5),
                BorderColor = 0x00FFFFFF,
                BorderWidth = 0,
                BackgroundColor = CSS_Color.MainBackgroundColor,
            };
            bodyView.AddChidren(contentView);

            
             btnFloorTitle = new Button()
            {
                Height = Application.GetRealHeight(50),
                TextID = StringId.Floors,
                TextAlignment = TextAlignment.Center,
                TextSize = CSS_FontSize.SubheadingFontSize,
                TextColor = CSS_Color.FirstLevelTitleColor,
            };
            contentView.AddChidren(btnFloorTitle);
            contentView.AddChidren(new Button()
            {
                Height = Application.GetRealHeight(1),
                Y = Application.GetRealHeight(49),
                BackgroundColor = CSS_Color.DividingLineColor,
            });

            floorsListView = new VerticalScrolViewLayout()
            {
                Y = btnFloorTitle.Bottom,
                Height = count * Application.GetRealHeight(50),
            };
            contentView.AddChidren(floorsListView);

            foreach(var floor in DB_ResidenceData.residenceData.floors)
            {
                LoadFloorRow(floor);
            }
        }

        /// <summary>
        /// 加载楼层Row
        /// </summary>
        /// <param name="floor"></param>
        void LoadFloorRow(Floor floor)
        {
            var row = new RowLayout()
            {
                Height = Application.GetRealHeight(50),
                Tag = floor.name,
                LineColor = CSS_Color.DividingLineColor,
            };
            floorsListView.AddChidren(row);

            var btnFloor = new Button()
            {
                Height = Application.GetRealHeight(50),
                TextAlignment = TextAlignment.Center,
                TextSize = CSS_FontSize.SubheadingFontSize,
                TextColor = CSS_Color.TextualColor,
                SelectedTextColor = CSS_Color.MainColor,
                Text = floor.name,
                Tag = floor.sid,
            };
            row.AddChidren(btnFloor);

            if (room == null)
            {
                var btnDel = new Button()
                {
                    TextID = StringId.Del,
                    BackgroundColor = CSS_Color.WarningColor,
                    TextColor = CSS_Color.MainBackgroundColor,
                    Tag = floor.name
                };
                row.AddRightView(btnDel);
                LoadEvent_DelFloor(btnDel);
                LoadEvent_FloorNamgeChange(btnFloor,btnDel,row,floor);
            }
            else {
                LoadEvent_FloorChoose(btnFloor);
                if (room.floorId == floor.sid)
                {
                    lastButton = btnFloor;
                    btnFloor.IsSelected = true;
                }
            }
        }

        void RefreshFloorsListView(string changeType,string floorName)
        {
            switch (changeType)
            {
                case "add":
                    try
                    {
                        var f = new Floor() { sid = Guid.NewGuid().ToString(), name = floorName };
                        DB_ResidenceData.residenceData.floors.Add(f);
                        LoadFloorRow(f);
                    }
                    catch (Exception ex)
                    {
                        MainPage.Log("add floor eroor : " + ex.Message);
                    }
                    break;
                case "edit":
                    for(int i=0;i<floorsListView.ChildrenCount;i++)
                    {
                        if(floorsListView.GetChildren(i).GetType() == typeof(Button))
                        {
                            Button btn = floorsListView.GetChildren(i) as Button;
                            if(floorName == "")
                            {
                                btn.Text = floorName;
                                return;
                            }
                            if(btn.Tag.ToString() == floorName|| btn.Tag.ToString() == floorName + "line")
                            {
                                btn.RemoveFromParent();
                            }
                        }
                    }
                    break;
                case "del":
                    //该楼层删除之后，绑定该楼层的房间要重置绑定的楼层
                    foreach (var r in DB_ResidenceData.rooms)
                    {
                        if (r.floorId == DB_ResidenceData.residenceData.floors.Find((obj) => obj.name == floorName).sid)
                        {
                            r.floorId = "";
                        }
                    }
                    for (int i = 0; i < floorsListView.ChildrenCount; i++)
                    {
                        if (floorsListView.GetChildren(i).GetType() == typeof(Button))
                        {
                            Button btn = floorsListView.GetChildren(i) as Button;
                            if (btn.Tag == null)
                                continue;
                            if (btn.Tag.ToString() == floorName + "line")
                            {
                                btn.RemoveFromParent();
                            }
                        }
                        if (floorsListView.GetChildren(i).GetType() == typeof(RowLayout))
                        {
                            RowLayout row = floorsListView.GetChildren(i) as RowLayout;
                            if (row.Tag == null)
                                continue;
                            if (row.Tag.ToString() == floorName)
                            {
                                row.RemoveFromParent();
                            }
                        }
                        DB_ResidenceData.residenceData.floors.Remove(DB_ResidenceData.residenceData.floors.Find((obj) => obj.name == floorName));
                    }
                    break;
            }
            DB_ResidenceData.residenceData.SaveResidenceData();
            int count = DB_ResidenceData.residenceData.floors.Count > 10 ? 10 : DB_ResidenceData.residenceData.floors.Count;
            floorsListView.Height = Application.GetRealHeight(50 * count);
            contentView.Height = Application.GetRealHeight(50 * (count + 1));
        }

        /// <summary>
        /// 分配给room楼层关系
        /// </summary>
        public void LoadPage(Room r,int titleId)
        {
            room = r;
            LoadPage(titleId);

            btnConfrim = new Button()
            {
                Gravity = Gravity.CenterHorizontal,
                Y = Application.GetRealHeight(582),
                Width = Application.GetRealWidth(220),
                Height = Application.GetRealHeight(44),
                Radius = (uint)Application.GetRealHeight(22),
                BackgroundColor = CSS_Color .MainColor,
                TextColor = CSS_Color.MainBackgroundColor,
                TextSize = CSS_FontSize.SubheadingFontSize,
                TextAlignment = TextAlignment.Center,
                IsBold = true,
                TextID = StringId.Confirm,
            };
            bodyView.AddChidren(btnConfrim);

            LoadEvent_BindFloor();
        }
    }
}