using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Xml.Serialization;

namespace Rs.Controls
{
    public enum ESortDir
    {
        Horizontal,
        Vertical
    }

    public enum ESlotStatus
    {
        Have,
        NotHave,
        Ok,
        Ng
    }

    public partial class RsTray : UserControl
    {
        public ESortDir SortDir { get; set; } = ESortDir.Horizontal;
        public event Action<TraySlot, MouseEventArgs> SlotClickEvent;
        public RsTray()
        {
            InitializeComponent();
            DoubleBuffered = true;
            InitSlot(InitSlotStatus);
            this.SizeChanged += (s, e) => {
                UpdateSlotPos();
            };
        }

        private ESlotStatus _InitSlotStatus = ESlotStatus.Have;

        public ESlotStatus InitSlotStatus
        {
            get { return _InitSlotStatus; }
            set { _InitSlotStatus = value; InitSlot(InitSlotStatus); Invalidate(); }
        }


        public bool CanDraw { get; set; } = true;

        private List<TraySlot> traySlots = new List<TraySlot>();
        private Dictionary<int, TraySlot> traySlotsDic = new Dictionary<int, TraySlot>();

        private string _HeadText;

        public string HeadText
        {
            get { return _HeadText; }
            set { _HeadText = value; this.label1.Text = value; }
        }

        private int _RowNum = 26;

        /// <summary>
        /// 行数
        /// </summary>
        public int RowNum
        {
            get { return _RowNum; }
            set { _RowNum = value; InitSlot(InitSlotStatus); Invalidate(); }
        }

        private int _ColumnNum = 10;

        /// <summary>
        /// 列数量
        /// </summary>
        public int ColumnNum
        {
            get { return _ColumnNum; }
            set { _ColumnNum = value; InitSlot(InitSlotStatus); Invalidate(); }
        }

        private int _TopSpaceHeight = 20;
        /// <summary>
        /// 料盘上部留白高度
        /// </summary>
        public int TopSpaceHeight
        {
            get { return _TopSpaceHeight; }
            set { _TopSpaceHeight = value; }
        }

        private int _LeftSpaceWidth = 20;

        /// <summary>
        /// 料盘左边留白宽度
        /// </summary>
        public int LeftSpaceWidth
        {
            get { return _LeftSpaceWidth; }
            set { _LeftSpaceWidth = value; }
        }

        private int _RowSpace = 3;

        public int RowSpace
        {
            get { return _RowSpace; }
            set { _RowSpace = value; }
        }

        private int _ColSpace = 5;

        public int ColSpace
        {
            get { return _ColSpace; }
            set { _ColSpace = value; }
        }


        private bool _ShowText;

        public bool ShowText
        {
            get { return _ShowText; }
            set { _ShowText = value; }
        }

        private Bitmap drawImage;


        private void InitSlot(ESlotStatus status)
        {
            int index = 0;
            traySlots.Clear();
            traySlotsDic.Clear();
            if(SortDir== ESortDir.Vertical)
            {
                for (int c = 0; c < ColumnNum; c++)
                {
                    for (int r = 0; r < RowNum; r++)
                    {
                        index++;
                        TraySlot slot = new TraySlot();
                        slot.Index = index;
                        slot.Row = r;
                        slot.Column = c;
                        slot.SlotStatus = status;
                        //slot.Bound = new RectangleF((LeftSpaceWidth + widthPer * c), (TopSpaceHeight + heightPer * r), (int)widthPer - 5, (int)heightPer - 5);
                        //slot.Draw(g2);
                        traySlots.Add(slot);
                        traySlotsDic.Add(index, slot);
                    }
                }
            }
           else
            {
                for (int r = 0; r < RowNum; r++)
                {
                    for (int c = 0; c < ColumnNum; c++)
                    {
                        index++;
                        TraySlot slot = new TraySlot();
                        slot.Index = index;
                        slot.Row = r;
                        slot.Column = c;
                        slot.SlotStatus = status;
                        //slot.Bound = new RectangleF((LeftSpaceWidth + widthPer * c), (TopSpaceHeight + heightPer * r), (int)widthPer - 5, (int)heightPer - 5);
                        //slot.Draw(g2);
                        traySlots.Add(slot);
                        traySlotsDic.Add(index, slot);
                    }
                }
            }


            UpdateSlotPos();
        }

        public void Fill()
        {
            foreach (TraySlot item in traySlots)
            {
                ChangeStatus(item.Index, ESlotStatus.Have);
            }
        }

        public void Clear()
        {
            foreach (TraySlot item in traySlots)
            {
                ChangeStatus(item.Index, ESlotStatus.NotHave);
            }
        }

        public void ChangeStatus(int index,ESlotStatus status)
        {
            if(traySlotsDic.ContainsKey(index))
            {
                traySlotsDic[index].SlotStatus = status;
                traySlotsDic[index].Refresh(this.panel2.CreateGraphics(), ShowText);
            }
            
            //panel2_Paint(null, null);
        }

        private void UpdateSlotPos()
        {
            float slotWidth = (this.panel2.Width - LeftSpaceWidth) / ColumnNum;
            float slotHeight = (this.panel2.Height - TopSpaceHeight) / RowNum;
            int index = 0;
            if(SortDir== ESortDir.Vertical)
            {
                for (int c = 0; c < ColumnNum; c++)
                {
                    for (int r = 0; r < RowNum; r++)
                    {
                        index++;
                        if (traySlotsDic.ContainsKey(index))
                        {
                            traySlotsDic[index].Bound = new RectangleF((LeftSpaceWidth + slotWidth * c), (TopSpaceHeight + slotHeight * r), (int)slotWidth - ColSpace, (int)slotHeight - RowSpace);
                        }
                    }
                }
            }
            else
            {
                for (int r = 0; r < RowNum; r++)
                {
                    for (int c = 0; c < ColumnNum; c++)
                    {
                        index++;
                        if (traySlotsDic.ContainsKey(index))
                        {
                            traySlotsDic[index].Bound = new RectangleF((LeftSpaceWidth + slotWidth * c), (TopSpaceHeight + slotHeight * r), (int)slotWidth - ColSpace, (int)slotHeight - RowSpace);
                        }
                    }
                }
            }
            
            panel2.Refresh();
        }

        private void panel2_Paint(object sender, PaintEventArgs e)
        {
            this.DoubleBuffered = true;
            Graphics g = this.panel2.CreateGraphics();
            drawImage = new Bitmap(this.panel2.Width, this.panel2.Height);
            Graphics g2 = Graphics.FromImage(drawImage);
            g2.Clear(BackColor);
            //先计算出每一个料仓中穴位占用的宽度和高度
            float widthPer = (this.panel2.Width - LeftSpaceWidth) / ColumnNum;
            float heightPer = (this.panel2.Height - TopSpaceHeight) / RowNum;
            //先画列，再画行
            int index = 0;
            for (int c = 0; c < ColumnNum; c++)
            {
                for (int r = 0; r < RowNum; r++)
                {
                    index++;
                    if (r == 0)
                    {
                        //画料盘的列号
                        g2.DrawString((c + 1).ToString(), new Font("宋体", 7.0F), new SolidBrush(Color.White), new PointF(LeftSpaceWidth + (widthPer * c) + 5, 5));
                    }
                    if (c == 0)
                    {
                        //画料盘的行号
                        g2.DrawString((r + 1).ToString(), new Font("宋体", 7.0F), new SolidBrush(Color.White), new PointF(5, TopSpaceHeight + (heightPer * r)));
                    }
                    //Rectangle rect = new Rectangle((int)(LeftSpaceWidth + widthPer * c), (int)(TopSpaceHeight + heightPer * r), (int)widthPer - 5, (int)heightPer - 5);
                    //g2.DrawRectangle(Pens.Red, (LeftSpaceWidth + widthPer * c), (TopSpaceHeight + heightPer * r), (int)widthPer - 5, (int)heightPer - 5);
                    //TraySlot slot = new TraySlot();
                    //slot.Row = r;
                    //slot.Column = c;
                    //slot.Bound = new RectangleF((LeftSpaceWidth + widthPer * c), (TopSpaceHeight + heightPer * r), (int)widthPer - 5, (int)heightPer - 5);
                    //slot.Draw(g2);
                    if (traySlotsDic.ContainsKey(index))
                    {
                        traySlotsDic[index].Draw(g2, ShowText);
                    }
                }
            }
            g2.Flush();
            g.DrawImage(drawImage, 0, 0, drawImage.Width, drawImage.Height);
            if (drawRegion)
            {
                //drawRect.Width = 20;
                //drawRect.Height = 20;
                //g.DrawRectangle(Pens.Green, drawRect);
                g.FillRectangle(new SolidBrush(Color.FromArgb(200, Color.Pink)), drawRect);
            }
            g.Flush();
            g.Dispose();
            g2.Dispose();
        }

        bool drawRegion = false;
        Rectangle drawRect = new Rectangle();
        private void panel2_MouseDown(object sender, MouseEventArgs e)
        {
            if (e.Button == MouseButtons.Left && drawRegion == false)
            {
                if(CanDraw)
                {
                    drawRegion = true;
                    drawRect.X = e.X;
                    drawRect.Y = e.Y;
                }
                
            }
        }

        private void panel2_MouseMove(object sender, MouseEventArgs e)
        {
            if (drawRegion)
            {
                drawRect.Width = e.X - drawRect.X;
                drawRect.Height = e.Y - drawRect.Y;
                panel2_Paint(null, null);
            }
        }

        private void panel2_MouseUp(object sender, MouseEventArgs e)
        {
            drawRegion = false;
        }

        public TraySlot SelectSlot { get; set; }
        private void panel2_MouseClick(object sender, MouseEventArgs e)
        {
            if (e.Button == MouseButtons.Right)
            {
                if (!drawRect.IsEmpty && drawRect.Contains(e.Location))
                {
                    contextMenuStrip1.Show(panel2, e.Location);
                }
                else
                {
                    SelectSlot = null;
                    bool find = false;
                    foreach (TraySlot slot in this.traySlots)
                    {
                        if(slot.Bound.Contains(e.Location))
                        {
                            find = true;
                            SelectSlot = slot;
                            break;
                        }
                    }
                    if(find)
                    {
                        if (SlotClickEvent != null)
                            SlotClickEvent(SelectSlot,e);
                    }
                }
            }
        }
    }

    /// <summary>
    /// 料盘槽位
    /// </summary>
    public class TraySlot
    {
        public ESlotStatus SlotStatus { get; set; } = ESlotStatus.Have;

        private PointF _Position;

        public PointF Position
        {
            get { return _Position; }
            set { _Position = value; }
        }

        private int _Index;

        public int Index
        {
            get { return _Index; }
            set { _Index = value; }
        }

        private int _Row;

        public int Row
        {
            get { return _Row; }
            set { _Row = value; }
        }

        private int _Column;

        public int Column
        {
            get { return _Column; }
            set { _Column = value; }
        }

        private RectangleF _Bound;
        [XmlIgnore]
        public RectangleF Bound
        {
            get { return _Bound; }
            set { _Bound = value; }
        }

        public void Refresh(Graphics g,bool isShowText)
        {
            Draw(g, isShowText);
        }
        public void Draw(Graphics g, bool isShowText)
        {
            if (_Bound != null)
            {
                StringFormat sf = new StringFormat();
                sf.Alignment = StringAlignment.Center;
                sf.LineAlignment = StringAlignment.Center;
                switch (SlotStatus)
                {
                    case ESlotStatus.Have:
                        g.FillRectangle(new SolidBrush(Color.Red), Bound.X, Bound.Y, Bound.Width - 1, Bound.Height - 1);
                        break;
                    case ESlotStatus.NotHave:
                        g.FillRectangle(new SolidBrush(Color.FromArgb(11, 16, 36)), Bound.X, Bound.Y, Bound.Width - 1, Bound.Height - 1);
                        break;
                    case ESlotStatus.Ok:
                        g.FillRectangle(new SolidBrush(Color.Green), Bound.X, Bound.Y, Bound.Width - 1, Bound.Height - 1);
                        break;
                    case ESlotStatus.Ng:
                        g.FillRectangle(new SolidBrush(Color.Gray), Bound.X, Bound.Y, Bound.Width - 1, Bound.Height - 1);
                        break;
                    default:
                        break;
                }

                //if(Status==1)
                //{
                //    g.FillRectangle(new SolidBrush(Color.Red), Bound.X, Bound.Y, Bound.Width - 1, Bound.Height - 1);
                //}
                //else if(Status==0)
                //{
                //    g.FillRectangle(new SolidBrush(Color.FromArgb(11, 16, 36)), Bound.X, Bound.Y, Bound.Width-1, Bound.Height-1);
                //   // g.FillRectangle(new SolidBrush(Color.Red), Bound.X, Bound.Y, Bound.Width , Bound.Height );
                //}
                g.DrawRectangle(Pens.White, Bound.X, Bound.Y, Bound.Width, Bound.Height);
                if (isShowText)
                {
                    g.DrawString((Row + 1) + "-" + (Column + 1), new Font("宋体", 9), new SolidBrush(Color.Yellow), _Bound, sf);
                }
            }
        }

    }
}