using Message;
using parkMonitor.LOG;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace parkspace_manager
{
    public partial class FormParkSpaceStatus : Form
    {
        public static int spacesInRow = 15;
        public static int floors = 11;
        public static int rows = 1;
        public bool isClosing;
        private Dictionary<int, Parkspace_info> idPssMap;
        public FormParkSpaceStatus()
        {
            isClosing = false;

            InitializeComponent();

            Communicator.Instance.Init();
            Communicator.Instance.Bind("tcp://192.168.2.144:20000");
            Communicator.Instance.Connect("tcp://192.168.2.125:20000");

            // 库位显示
            Task.Factory.StartNew(() =>
            {
                UpdateParkingSpaceView();
            });
        }

        /// <summary>
        /// 更新立体停车位显示
        /// </summary>
        private void UpdateParkingSpaceView()
        {
            bool needUpdate = false;
            Parkspace_allocation_status_msg parkspace_status = new Parkspace_allocation_status_msg();
            while (!isClosing)
            {
                bool get_status_result = Communicator.Instance.Get_parkspace_status(ref parkspace_status);
                if (!get_status_result || parkspace_status.ParkspaceInfo == null)
                    continue;
                List<Parkspace_info> psList = parkspace_status.ParkspaceInfo.ToList();
                if (psList == null || psList.Count <= 0)
                {
                    Thread.Sleep(10000);
                    continue;
                }
                //更新映射表
                try
                {
                    if (idPssMap.Count != psList.Count)
                    {
                        idPssMap.Clear();
                        for (int i = 0; i < psList.Count; i++)
                        {
                            idPssMap.Add(psList[i].ParkspaceId, psList[i]);
                        }
                    }
                    else
                    {
                        for (int i = 0; i < psList.Count; i++)
                        {
                            idPssMap[psList[i].ParkspaceId] = psList[i];
                        }
                    }
                }
                catch { Log.WriteLog(LogType.process, LogFile.WARNING, "实时更新所有库位异常"); }

                TableLayoutPanel tlp = new TableLayoutPanel();
                tlp.Name = "tlp_ParkingSpace";
                tlp.ColumnCount = rows;
                tlp.RowCount = 1;
                tlp.Dock = DockStyle.Fill;
                tlp.AutoScroll = true;
                tlp.BackColor = SystemColors.GradientActiveCaption;
                this.Invoke(new Action(() =>
                {
                    //List<TableLayoutPanel> tlpList = new List<TableLayoutPanel>();
                    int blockSize = spacesInRow * floors * rows;
                    int offset = (rows + 1 - ((blockSize / spacesInRow) % rows)) * spacesInRow;
                    //创建控件
                    if (ParkingSpaceMonitorPanel.Controls.Count == 0 || needUpdate)
                    {
                        for (int i = 0; i < rows; i++)
                        {
                            TableLayoutPanel temp = new TableLayoutPanel();
                            temp.Name = "tlp_ParkingSpaceSection" + (i + 1).ToString();
                            temp.RowCount = floors;
                            temp.ColumnCount = spacesInRow;
                            temp.Dock = DockStyle.Fill;
                            temp.AutoSize = true;
                            temp.BackColor = SystemColors.GradientActiveCaption;
                            temp.Margin = new Padding(5, 2, 5, 2);
                            for (int j = Math.Max(psList.Count, blockSize) - 1; j >= 0; j--)
                            {
                                Button btn = new Button();
                                btn.Anchor = (AnchorStyles.Top | AnchorStyles.Left);
                                btn.AutoSize = true;
                                btn.Location = new Point(10, 10);
                                btn.Margin = new Padding(3, 10, 3, 10);
                                btn.Padding = new Padding(5);
                                btn.Name = "lb_parkingSpace" + j;
                                btn.TextAlign = ContentAlignment.MiddleCenter;
                                if (((j + offset) / spacesInRow) % rows == i)
                                {
                                    if (j > psList.Count - 1)
                                    {
                                        btn.Text = "#####";
                                        temp.Controls.Add(btn);
                                        btn.BackColor = GetPSColor(Parkspace_status.EParkspaceError);
                                    }
                                    else
                                    {
                                        try
                                        {
                                            btn.Text = "车位" + psList[j].ParkspaceId;
                                            btn.BackColor = GetPSColor(psList[j].ParkspaceStatus);
                                            temp.Controls.Add(btn);
                                        }
                                        catch { Log.WriteLog(LogType.process, LogFile.WARNING, "实时更新单一库位异常"); }
                                    }
                                }
                            }
                            tlp.Controls.Add(temp);
                            //tlpList.Add(temp);
                        }
                        ParkingSpaceMonitorPanel.Controls.Clear();
                        ParkingSpaceMonitorPanel.Controls.Add(tlp);
                        needUpdate = false;
                    }
                    //更新控件
                    else
                    {
                        Control.ControlCollection psCC = ParkingSpaceMonitorPanel.Controls;
                        foreach (Control segment in psCC)
                        {
                            Control.ControlCollection segmentCC = segment.Controls;
                            //Console.WriteLine("seg::"+segmentCC.Count);
                            foreach (Control spaces in segmentCC)
                            {
                                Control.ControlCollection spaceCC = spaces.Controls;
                                //Console.WriteLine("spaces::"+spaceCC.Count);
                                foreach (Control space in spaceCC)
                                {
                                    if (space.GetType() == typeof(Label))
                                    {
                                        int index = -1;
                                        bool result = int.TryParse(space.Text.Substring(2), out index);
                                        //Console.WriteLine("text is :" + space.Text+", index:"+index);
                                        if (idPssMap.ContainsKey(index))
                                        {
                                            //Console.WriteLine("index:" + index+", status:"+ idPssMap[index].spaceStatus);
                                            space.BackColor = GetPSColor(idPssMap[index].ParkspaceStatus);
                                        }
                                        else if (result)
                                        {
                                            needUpdate = true;
                                            //Console.WriteLine("need update:"+index);
                                            break;
                                        }
                                    }
                                }
                            }
                            if (needUpdate)
                            {
                                break;
                            }
                        }
                    }
                }));
                Thread.Sleep(5000);
            }
        }

        /// <summary>
        /// 按钮点击事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void Btnvalue_Click(object sender, EventArgs e)
        {
            Button btn = (Button)sender;
            //实例化窗口，选择待修改状态
            
        }

        /// <summary>
        /// 获取状态对应颜色
        /// </summary>
        /// <param name="status"></param>
        /// <returns></returns>
        private Color GetPSColor(Parkspace_status status)
        {
            switch (status)
            {
                case Parkspace_status.EParkspaceEmpty: return Color.White;
                case Parkspace_status.EParkspaceOccupied: return Color.Yellow;
                case Parkspace_status.EParkspaceReserved: return Color.SkyBlue;
                case Parkspace_status.EParkspaceLocked: return Color.Blue;
                case Parkspace_status.EParkspaceError: return Color.Red;
                default: return Color.Violet;
            }
        }

        private void FormParkSpaceStatus_FormClosed(object sender, FormClosedEventArgs e)
        {
            isClosing = true;
            Communicator.Instance.Uninit();
        }
    }
}