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

namespace AirBomber
{
    internal class DrawningAirBomber : DrawningAirplane
    {
        /// <summary>
        /// Инициализация свойств
        /// </summary>
        /// <param name="speed">Скорость</param>
        /// <param name="weight">Вес самолета</param>
        /// <param name="bodyColor">Цвет обшивки</param>
        /// <param name="dopColor">Дополнительный цвет</param>
        /// <param name="hasBombs">Признак наличия бомб</param>
        /// <param name="hasFuelTanks">Признак наличия топливных баков</param>
        /// <param name="typeAirplaneEngines">Какой будет двигатель самолета. null - двигатели отсутствуют</param>
        public DrawningAirBomber(int speed, float weight, Color bodyColor, Color dopColor, bool hasBombs, bool hasFuelTanks, IAirplaneEngines? typeAirplaneEngines = null) 
            : base(speed, weight, bodyColor, 115, 155, typeAirplaneEngines)
        {
            Airplane = new EntityAirBomber(speed, weight, bodyColor, dopColor, hasBombs, hasFuelTanks);
        }

        public override void DrawTransport(Graphics g)
        {
            if (Airplane is not EntityAirBomber airBomber)
            {
                return;
            }

            var x = _startPosX;
            var y = _startPosY;
            var w = _airplaneWidth;
            var h = _airplaneHeight;
            Brush brush = new SolidBrush(airBomber.DopColor);

            if (airBomber.HasBombs) // Бомбы снизу рисуются сначала
            {
                DrawBomb(g, airBomber.DopColor, new RectangleF(x + w / 2 - 15, y + h / 2 - 19, 23, 10));
                DrawBomb(g, airBomber.DopColor, new RectangleF(x + w / 2 - 15, y + h / 2 +  9, 23, 10));
            }

            base.DrawTransport(g);

            if (airBomber.HasFuelTanks) 
            {
                g.FillEllipse(brush, new RectangleF(x + w / 4, y + h / 2 - 6, w / 2.5f, 12));
            }
        }

        private void DrawBomb(Graphics g, Color colorBomb, RectangleF r)
        {
            Pen pen = new(colorBomb);
            pen.Width = r.Height / 3;
            var widthTail = r.Width / 6;
            g.FillEllipse(new SolidBrush(colorBomb), r.X, r.Y, r.Width - widthTail, r.Height); // Основание бомбы
            // Хвост бомбы
            var baseTail = new PointF(r.Right - widthTail, r.Y + r.Height / 2);
            g.DrawLine(pen, baseTail, new PointF(r.Right, r.Top));
            g.DrawLine(pen, baseTail, new PointF(r.Right, r.Bottom));
        }
    }
}