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 WarmlyLocomotive.Drawnings;
using WarmlyLocomotive.MovementStrategy;

namespace WarmlyLocomotive
{
    public partial class FormWarmlyLocomotive : Form
    {
        private DrawningLocomotive? _drawningLocomotive;

        private AbstractStrategy _strategy;

        public FormWarmlyLocomotive()
        {
            InitializeComponent();
            _strategy = null;
        }

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

        private void CreateObject(string type)
        {
            Random random = new();
            switch (type)
            {
                case nameof(DrawningLocomotive):
                    {
                        _drawningLocomotive = new DrawningLocomotive(
                            random.Next(100, 300),
                            random.Next(1000, 3000),
                            Color.FromArgb(random.Next(0, 256), random.Next(0, 256), random.Next(0, 256)));
                        break;
                    }
                case nameof(DrawningWarmlyLocomotive):
                    {
                        _drawningLocomotive = new DrawningWarmlyLocomotive(
                            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)));
                        break;
                    }
                default:
                    return;
            }
            _drawningLocomotive.SetPictureSize(pictureBoxWarmlyLocomotive.Width, pictureBoxWarmlyLocomotive.Height);
            _drawningLocomotive.SetPosition(random.Next(10, 100), random.Next(10, 100));
            _strategy = null;
            comboBoxStrategy.Enabled = true;
            Draw();
        }


        private void createButton_Click(object sender, EventArgs e) => CreateObject(nameof(DrawningWarmlyLocomotive));
        private void createBaseButton_Click(object sender, EventArgs e) => CreateObject(nameof(DrawningLocomotive));
        //{
        //Random random = new();
        //_drawningWarmlyLocomotive = new DrawningWarmlyLocomotive();
        //_drawningWarmlyLocomotive.Init(
        //    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)));
        //_drawningWarmlyLocomotive.SetPictureSize(
        //    pictureBoxWarmlyLocomotive.Width,
        //    pictureBoxWarmlyLocomotive.Height);
        //_drawningWarmlyLocomotive.SetPosition(random.Next(10, 100), random.Next(10, 100));
        //Draw();
        //}

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


        private void strategyMoveButton_Click(object sender, EventArgs e)
        {
            if (_drawningLocomotive == null)
            {
                return;
            }
            if (comboBoxStrategy.Enabled)
            {
                _strategy = comboBoxStrategy.SelectedIndex switch
                {
                    0 => new MoveToCenter(),
                    1 => new MoveToBorder(),
                    _ => null,
                };
                if (_strategy == null)
                {
                    return;
                }
                _strategy.SetData(new MoveableLocomotive(_drawningLocomotive),
                pictureBoxWarmlyLocomotive.Width, pictureBoxWarmlyLocomotive.Height);
            }
            if (_strategy == null)
            {
                return;
            }
            comboBoxStrategy.Enabled = false;
            _strategy.MakeStep();
            Draw();
            if (_strategy.GetStatus() == StrategyStatus.Finish)
            {
                comboBoxStrategy.Enabled = true;
                _strategy = null;
            }
        }


    }
}