using System;
using System.Collections.Generic;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Caisses
{
    internal class GraphicalCheckout : Checkout
    {
        private Point _position;
        private Color _color;
        private Size _size;
        private Rectangle _area;
        private Random Random;

        public Point Position { get => _position; set => _position = value; }
        public Color Color { get => _color; set => _color = value; }
        public Size Size { get => _size; set => _size = value; }
        public Rectangle Area { get => _area; set => _area = value; }
        public GraphicalCheckout(Point position,Rectangle area,int checkoutNumber)
        {
            Random = new Random();
            Position = position;
            Color = Color.FromArgb(Random.Next(0, 255), Random.Next(0, 255), Random.Next(0, 255));
            Size = new Size(area.Width / checkoutNumber + 1,area.Height-area.Height/10);
        }
        public void Draw(Bitmap checkoutAreaImage)
        {
            int radius = Math.Min(Size.Width, Size.Height / MAX_CAPACITY);
            Size clientSize = new Size(radius,radius);
            int xOffset = Size.Width / 2 - radius / 2;
            Graphics g = Graphics.FromImage(checkoutAreaImage);
            



            //g.DrawRectangle(new Pen(Color.FromArgb(Random.Next(0,255),Random.Next(0,255),Random.Next(0,255))),new Rectangle(Position,Size));
            g.DrawRectangle(new Pen(Color.Black),new Rectangle(Position,Size));
            if (Open)
            {
                g.FillRectangle(new SolidBrush(Color.Green),new Rectangle(Position, Size));
                //g.DrawString(Clients.Count().ToString(), new Font("Arial", 16), new SolidBrush(Color.White), new PointF(Position.X, Position.Y));

                if(Clients.Count > 0)
                {
                    for (int i = 0; i < Clients.Count; i++)
                    {
                        Point clientPos = new Point(Position.X + xOffset, (i) * clientSize.Height + Position.Y);
                        if (i == 0)
                        {
                            g.FillEllipse(Brushes.BlueViolet, new Rectangle(clientPos, clientSize));
                            g.DrawString(Clients[i].CheckoutTime.ToString(), new Font("Arial", 16), new SolidBrush(Color.White), clientPos);
                        }
                        else
                        {
                            g.FillEllipse(Brushes.Violet, new Rectangle(clientPos, clientSize));
                        }
                    }
                }   
            }
            else
            {
                g.FillRectangle(new SolidBrush(Color.Red), new Rectangle(Position, Size));
            }
        }
    }
}