using ProjectBulldozer;
using ProjectBulldozer.Drawings;
using ProjectBulldozer.Generics;
using ProjectBulldozer.MovementStrategy;
using System;

namespace Bulldozer
{
    public partial class Bulldozer : Form
    {

        private DrawingTractor? _drawingTractor;

        private AbstractStrategy? _abstractStrategy;

        public Bulldozer()
        {
            InitializeComponent();
        }

        private void Draw()
        {
            if (_drawingTractor == null)
            {
                return;
            }
            Bitmap bmp = new(pictureBoxBulldozer.Width, pictureBoxBulldozer.Height);
            Graphics gr = Graphics.FromImage(bmp);
            _drawingTractor.DrawTransport(gr);
            pictureBoxBulldozer.Image = bmp;
        }

        private void buttonCreateBulldozer_Click(object sender, EventArgs e)
        {
            Random random = new Random();
            _drawingTractor = new DrawingBulldozer(random.Next(100, 300), random.Next(1000, 3000),
            Color.FromArgb(random.Next(0, 256), random.Next(0, 256), random.Next(0, 256)),
            Color.FromArgb(random.Next(0, 256), random.Next(0, 256), random.Next(0, 256)),
            Convert.ToBoolean(random.Next(0, 2)), Convert.ToBoolean(random.Next(0, 2)),
            pictureBoxBulldozer.Width, pictureBoxBulldozer.Height);
            _drawingTractor.SetPosition(random.Next(10, 100), random.Next(10, 100));
            Draw();
        }

        private void buttonCreateTractor_Click(object sender, EventArgs e)
        {
            Random rnd = new Random();
            _drawingTractor = new DrawingTractor(rnd.Next(100, 300), rnd.Next(1000, 3000),
                Color.FromArgb(rnd.Next(0, 256), rnd.Next(0, 256), rnd.Next(0, 256)),
                pictureBoxBulldozer.Width, pictureBoxBulldozer.Height);
            _drawingTractor.SetPosition(rnd.Next(10, 100), rnd.Next(10, 100));
            Draw();
        }

        private void buttonMove_Click(object sender, EventArgs e)
        {
            if (_drawingTractor == null)
            {
                return;
            }
            string name = ((Button)sender)?.Name ?? string.Empty;
            switch (name)
            {
                case "buttonUp":
                    _drawingTractor.MoveTransport(DirectionType.Up);
                    break;
                case "buttonDown":
                    _drawingTractor.MoveTransport(DirectionType.Down);
                    break;
                case "buttonLeft":
                    _drawingTractor.MoveTransport(DirectionType.Left);
                    break;
                case "buttonRight":
                    _drawingTractor.MoveTransport(DirectionType.Right);
                    break;
            }
            Draw();
        }

        private void buttonStep_Click(object sender, EventArgs e)
        {
            if (_drawingTractor == null)
            {
                return;
            }
            if (comboBoxStrategy.Enabled)
            {
                _abstractStrategy = comboBoxStrategy.SelectedIndex switch
                {
                    0 => new MoveToCenter(),
                    1 => new MoveToRightCorner(),
                    _ => null,
                };
                if (_abstractStrategy == null)
                {
                    return;
                }
                _abstractStrategy.SetData(new
                DrawingObjectTractor(_drawingTractor), pictureBoxBulldozer.Width,
                pictureBoxBulldozer.Height);
                comboBoxStrategy.Enabled = false;
            }
            if (_abstractStrategy == null)
            {
                return;
            }
            _abstractStrategy.MakeStep();
            Draw();
            if (_abstractStrategy.GetStatus() == Status.Finish)
            {
                comboBoxStrategy.Enabled = true;
                _abstractStrategy = null;
            }
        }

        private void comboBoxStrategy_SelectedIndexChanged(object sender, EventArgs e)
        {

        }
    }
}