using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Input.Touch;
using Penguloon.Controls;
using Penguloon.Levels;
using Penguloon.Scenes;
using System;

namespace Penguloon.Scenes
{
    public class GameScene : SceneBase
    {
        public LevelBase Level { get; set; }

        public float Speed { get; set; } = 1f;

        public ButtonIngame StartRoundBtn { get; set; }
        public SpeedButton ChangeSpeedBtn { get; set; }
        public ButtonIngame OptionsBtn { get; set; }
        public IngameOptions OptionsMenu { get; set; }

        public ObjectSelector ObjectSeletor { get; set; }

        public GameScene(Main main, LevelBase level) : base(main)
        {
            this.Level = level;
            this.Level.Initialize(this);

            StartRoundBtn = new ButtonIngame(this,
            new Vector2(Level.Map.MapWidth + StaticUIValues.BorderWidth, StaticUIValues.ScreenViewport.Y - StaticUIValues.IngameUIPlayButtonHeight),
            new Vector2(StaticUIValues.ScreenViewport.X - (Level.Map.MapWidth + StaticUIValues.BorderWidth), StaticUIValues.IngameUIPlayButtonHeight), Main.Resources.GetString(Resource.String.IngameStart));

            OptionsBtn = new ButtonIngame(this,
            new Vector2(Level.Map.MapWidth + StaticUIValues.BorderWidth, StaticUIValues.ScreenViewport.Y - StaticUIValues.IngameUIPlayButtonHeight - StaticUIValues.IngameUIPlayButtonHeight - StaticUIValues.BorderWidth),
            new Vector2(StaticUIValues.ScreenViewport.X - (Level.Map.MapWidth + StaticUIValues.BorderWidth), StaticUIValues.IngameUIPlayButtonHeight), Main.Resources.GetString(Resource.String.IngameOptions));

            ChangeSpeedBtn = new SpeedButton(this,
            new Vector2(Level.Map.MapWidth - StaticUIValues.ChangeSpeedButtonWidth, StaticUIValues.ScreenViewport.Y - StaticUIValues.IngameUIPlayButtonHeight),
            new Vector2(StaticUIValues.ChangeSpeedButtonWidth, StaticUIValues.IngameUIPlayButtonHeight), "X1");

            OptionsMenu = new IngameOptions(this,
            new Vector2((StaticUIValues.ScreenViewport.X / 2) - (StaticUIValues.IngameOptionsSize.X / 2),
            (StaticUIValues.ScreenViewport.Y / 2) - (StaticUIValues.IngameOptionsSize.Y / 2)),
            StaticUIValues.IngameOptionsSize);

            ChangeSpeedBtn.OnClick += ChangeSpeedBtn_OnClick;
            StartRoundBtn.OnClick += StartRoundBtn_OnClick;
            OptionsBtn.OnClick += OptionsBtn_OnClick;

            ObjectSeletor = new ObjectSelector(level.Map, this,
            new Vector2(Level.Map.MapWidth + StaticUIValues.BorderWidth, StaticUIValues.IngameUITextAreaHeight + StaticUIValues.BorderWidth),
            new Vector2((int)StaticUIValues.ScreenViewport.X - (Level.Map.MapWidth + StaticUIValues.BorderWidth),
            StaticUIValues.ScreenViewport.Y - StaticUIValues.IngameUITextAreaHeight - StaticUIValues.BorderWidth - StaticUIValues.BorderWidth - StaticUIValues.IngameUIPlayButtonHeight - StaticUIValues.BorderWidth - StaticUIValues.IngameUIPlayButtonHeight));

        }

        private void OptionsBtn_OnClick(object sender, ClickArgs e)
        {
            if (OptionsMenu.State == IngameOptionsState.Hide)
            {
                OptionsMenu.ShowTime = DateTime.Now;
                OptionsMenu.State = IngameOptionsState.Show;
            }
        }

        private void ChangeSpeedBtn_OnClick(object sender, ClickArgs e)
        {
            switch (Speed)
            {
                case 1f: Speed = 2f; break;
                case 2f: Speed = 3f; break;
                case 3f: Speed = 1f; break;

                default: Speed = 1f; break;
            }

            ChangeSpeedBtn.Text = "X" + Math.Round(Speed, 0).ToString();
        }

        private void StartRoundBtn_OnClick(object sender, ClickArgs e)
        {
            Level.Map.WaveManager.StartSpawningEnemies();
            ButtonIngame btn = (ButtonIngame)sender;
            btn.ControlState = ControlState.Disabled;
        }

        public override void CreateControls()
        {

        }

        public override void Draw(float deltaTime)
        {
            // background
            Main.SpriteBatch.Draw(ContentManager.GetTexture("UI/background"),
                destinationRectangle: new Rectangle(0, 0, (int)StaticUIValues.ScreenViewport.X, (int)StaticUIValues.ScreenViewport.Y));

            base.Draw(deltaTime);

            this.Level.Draw(deltaTime);

            DrawUI(deltaTime);

            StartRoundBtn.Draw(deltaTime);
            ObjectSeletor.Draw(deltaTime);
            ChangeSpeedBtn.Draw(deltaTime);
            OptionsBtn.Draw(deltaTime);
            OptionsMenu.Draw(deltaTime);
        }

        private void DrawUI(float deltaTime)
        {
            //background
            Main.SpriteBatch.Draw(ContentManager.GetTexture("UI/objectSelectionBackground"),
                destinationRectangle: new Rectangle(Level.Map.MapWidth + StaticUIValues.BorderWidth,
            0, (int)StaticUIValues.ScreenViewport.X - (Level.Map.MapWidth + StaticUIValues.BorderWidth), (int)StaticUIValues.ScreenViewport.Y));

            //border
            Main.SpriteBatch.Draw(ContentManager.GetTexture("UI/border"),
            destinationRectangle: new Rectangle(Level.Map.MapWidth,
            0, StaticUIValues.BorderWidth, (int)StaticUIValues.ScreenViewport.Y));
          
            //border under text
             Main.SpriteBatch.Draw(ContentManager.GetTexture("UI/border-horizontal"),
            destinationRectangle: new Rectangle(Level.Map.MapWidth + StaticUIValues.BorderWidth - 4,
            StaticUIValues.IngameUITextAreaHeight, (int)StaticUIValues.ScreenViewport.X - (Level.Map.MapWidth + StaticUIValues.BorderWidth - 5), StaticUIValues.BorderWidth));

            //border above options
            Main.SpriteBatch.Draw(ContentManager.GetTexture("UI/border-horizontal"),
           destinationRectangle: new Rectangle(Level.Map.MapWidth + StaticUIValues.BorderWidth - 4,
           (int)StaticUIValues.ScreenViewport.Y - StaticUIValues.IngameUIPlayButtonHeight - StaticUIValues.BorderWidth - StaticUIValues.IngameUIPlayButtonHeight - StaticUIValues.BorderWidth,
            (int)StaticUIValues.ScreenViewport.X - (Level.Map.MapWidth + StaticUIValues.BorderWidth - 5), StaticUIValues.BorderWidth));

            //border above button
            Main.SpriteBatch.Draw(ContentManager.GetTexture("UI/border-horizontal"),
           destinationRectangle: new Rectangle(Level.Map.MapWidth + StaticUIValues.BorderWidth - 4,
           (int)StaticUIValues.ScreenViewport.Y - StaticUIValues.IngameUIPlayButtonHeight - StaticUIValues.BorderWidth,
            (int)StaticUIValues.ScreenViewport.X - (Level.Map.MapWidth + StaticUIValues.BorderWidth - 5), StaticUIValues.BorderWidth));

            DrawText(ContentManager.GetFont(StaticUIValues.IngameFont), "Gold: " + Level.Money, 
                new Vector2(Level.Map.MapWidth + StaticUIValues.BorderWidth, 10), 
                new Vector2(StaticUIValues.ScreenViewport.X - Level.Map.MapWidth - StaticUIValues.BorderWidth, StaticUIValues.IngameUITextAreaHeight), 
                TextAllignment.LeftTop, Color.White, Color.Black, 2);

            DrawText(ContentManager.GetFont(StaticUIValues.IngameFont), "Wave: " + Level.Map.WaveManager.CurrentWave.ToString(),
                new Vector2(Level.Map.MapWidth + StaticUIValues.BorderWidth, 0),
                new Vector2(StaticUIValues.ScreenViewport.X - Level.Map.MapWidth - StaticUIValues.BorderWidth, StaticUIValues.IngameUITextAreaHeight),
                TextAllignment.LeftMiddle, Color.White, Color.Black, 2);

            DrawText(ContentManager.GetFont(StaticUIValues.IngameFont), "Health: " + Level.Health,
                new Vector2(Level.Map.MapWidth + StaticUIValues.BorderWidth, 0),
                new Vector2(StaticUIValues.ScreenViewport.X - Level.Map.MapWidth - StaticUIValues.BorderWidth, StaticUIValues.IngameUITextAreaHeight),
                TextAllignment.LeftBottom, Color.White, Color.Black, 2);
        }

        public override void Update(float deltaTime, TouchLocation[] touchLocations)
        {
            // We shouldn't update controls when the game is finished to prevent the user from placing any more objects
            if (!Level.Finished)
            {
                base.Update(deltaTime, touchLocations);
                StartRoundBtn.Update(deltaTime, touchLocations);
                ObjectSeletor.Update(deltaTime, touchLocations);
                ChangeSpeedBtn.Update(deltaTime, touchLocations);
                OptionsBtn.Update(deltaTime, touchLocations);
                OptionsMenu.Update(deltaTime, touchLocations);
            }

            if (StartRoundBtn.ControlState == ControlState.Disabled && !Level.Map.WaveManager.RoundActive && !Level.Finished)
            {
                StartRoundBtn.ControlState = ControlState.Idle;
                Level.Map.WaveManager.FinishRound();
            }

            this.Level.Update(deltaTime * Speed, touchLocations);
        }
    }
}