using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;

namespace PacmanGame
{
    class Map
    {
        Random rnd = new Random();
        public Tile[,] tiles;
        //public Rectangle[,] hitboxes;
        List<string> strings = new List<string>();

        SpriteFont font;
        Vector2 pos;
        public static int score;

        List<Entity> entities = new List<Entity>();
        Player player;
        Ghost ghost;
        public static bool touchwall = false;


        public Map(SpriteFont font,int posX,int posY)
        {
            this.font = font;
            this.tiles = new Tile[20, 20];
            this.pos = new Vector2(posX, posY);


        }

        public virtual void Content()
        {

            StreamReader sr = new StreamReader(@"Mapping.txt");
            //text = sr.ReadLine();

            while (!sr.EndOfStream)
            {
                strings.Add(sr.ReadLine());
            }

            sr.Close();

             for (int i = 0; i < tiles.GetLength(0); i++)
            {
                for (int j = 0; j < tiles.GetLength(1); j++)
                {


                    int posX = i * 32 + (int)pos.X;
                    int posY = j * 32 + (int)pos.Y;

                    tiles[j, i] = new Tile(Game1.spritesheet, posX, posY);

                }
            }

             for (int i = 0; i < strings.Count; i++)
             {
                 string temp = strings[i];
                 for (int j = 0; j < temp.Length; j++)
                 {
                     if (temp[j] == 'X')
                     {
                         int posX = j * 32 + (int)pos.X;
                         int posY = i * 32 + (int)pos.Y;
                         player = new Player(Game1.spritesheet, new Vector2(posX + 16,posY + 16));
                         player.Content();
                         entities.Add(player);
                     }

                     if (temp[j] == 'G')
                     {
                         int posX = j * 32 + (int)pos.X;
                         int posY = i * 32 + (int)pos.Y;
                         ghost = new Ghost(Game1.spritesheet, new Vector2(posX + 16, posY + 16));
                         ghost.SetDir(rnd.Next(1, 4));
                         ghost.Content();
                         entities.Add(ghost);
                     }
                 }

             }


        }

        public virtual void Update(GameTime gameTime)
        {

            //entities.ForEach(i => Console.Write("{0}\t", i));

            for (int i = 0; i < entities.Count; i++)
            {
                entities[i].Update(gameTime);


            }


            foreach (object e in entities)
            {
                if (e is Ghost)
                {
                    Ghost ghost = (Ghost)e;
                    if (player.hitbox.Intersects(ghost.hitbox))
                    {
                        if (Game1.currentGameState == PacmanGame.Game1.GameState.GameRun)
                        {
                            entities.Remove(player);
                            break;
                        }
                        else if (Game1.currentGameState == PacmanGame.Game1.GameState.PPGameRun)
                        {
                            entities.Remove(ghost);
                            break;
                        }

                    }

                }

            }


            if(score == 229)
            {
                Game1.currentGameState = PacmanGame.Game1.GameState.Win;
            }


            {

                for (int i = 0; i < strings.Count; i++)
                {
                    for (int j = 0; j < strings[i].Length; j++)
                    {

                        if (strings[i][j] == 'F' || strings[i][j] == 'P' || strings[i][j] == 'C' || strings[i][j] == 'X' || strings[i][j] == 'G')
                        {
                            if (tiles[i, j].hitbox.Contains(player.hitbox))
                            {
                                player.prevPos.X = tiles[i, j].pos.X + 16;
                                player.prevPos.Y = tiles[i, j].pos.Y + 16;
                            }

                            if (tiles[i, j].hitbox.Contains(ghost.hitbox))
                            {
                                ghost.prevPos.X = tiles[i, j].pos.X + 16;
                                ghost.prevPos.Y = tiles[i, j].pos.Y + 16;
                            }
                        }


                        //vad wall gör
                        if (strings[i][j] == 'W')
                        {

                            //if (IsCollide())
                            //{
                            //    if (!touchwall == true)
                            //    {
                            //        touchwall = true;
                            //        Console.WriteLine("true.");

                            //    }
                            //}


                            //else
                            //{
                            //    if (!touchwall == false)
                            //    {
                            //        touchwall = false;
                            //        Console.WriteLine("false.");

                            //    }
                            //}
                            if (ghost.hitbox.Intersects(tiles[i, j].hitbox))
                            {

                                foreach (object e in entities)
                                {
                                    //ghost = (Ghost)e;
                                    if (e is Ghost)
                                    {
                                        Console.WriteLine("hit");
                                        ghost.pos.Y = ghost.prevPos.Y;
                                        ghost.pos.X = ghost.prevPos.X;
                                        ghost.SetDir(rnd.Next(1,4));

                                    }

                                }
                            }

                            if(player.hitbox.Intersects(tiles[i,j].hitbox))
                            {
                                foreach (Entity e in entities)
                                {
                                    if (e is Player)
                                    {
                                        Console.WriteLine("hit");
                                        (e as Player).walk = false;
                                        if (player.lasthit == Microsoft.Xna.Framework.Input.Keys.Up || player.lasthit == Microsoft.Xna.Framework.Input.Keys.Down)
                                            player.pos.Y = player.prevPos.Y;
                                        else
                                            player.pos.X = player.prevPos.X;

                                    }
                                }

                            }


                        }

                        // vad wall gör


                        // vad PP gör
                        if (strings[i][j] == 'P' && tiles[i,j].eaten == false)
                        {

                            if (tiles[i, j].hitbox.Intersects(player.hitbox))
                            {
                                score++;
                                tiles[i, j].eaten = true;

                            }
                        }

                        // vad PP gör

                        // vad Crystal gör
                        if (strings[i][j] == 'C' && tiles[i, j].eaten == false)
                        {

                            if (tiles[i, j].hitbox.Intersects(player.hitbox))
                            {
                                score = score + 10;
                                Game1.currentGameState = PacmanGame.Game1.GameState.PPGameRun;
                                tiles[i, j].eaten = true;

                            }
                        }
                        //vad Crystal gör

                    }
                }

            }
        }

        //private bool IsCollide()
        //{
        //    for (int i = 0; i < tiles.GetLength(0); i++)
        //    {
        //        for (int j = 0; j < tiles.GetLength(1); j++)
        //        {
        //            if (strings[i][j] == 'W')
        //            if (player.hitbox.Intersects(tiles[i, j].hitbox))
        //                return true;

        //        }
        //    }
        //    return false;
        //}


        public virtual void Draw(SpriteBatch spriteBatch,GameTime gameTime)
        {
            for (int i = 0; i < strings.Count; i++)
            {

                for (int j = 0; j < strings[i].Length; j++)
                {
                    if (strings[i][j] == 'W')
                        tiles[i, j].Wall();

                    tiles[i, j].Draw(spriteBatch);

                    if (strings[i][j] == 'F' || strings[i][j] == 'X' ||strings[i][j] == 'G')
                    {
                        tiles[i, j].Floor();
                    }


                    if (strings[i][j] == 'P')
                    {
                        if (tiles[i, j].eaten == false)
                        tiles[i, j].PP();
                        else if (tiles[i, j].eaten == true)
                        tiles[i, j].Floor();

                    }

                    if (strings[i][j] == 'C')
                    {
                        if (tiles[i, j].eaten == false)
                        tiles[i, j].Crystal();
                        else if (tiles[i, j].eaten == true)
                        tiles[i, j].Floor();

                    }

                }
            }

            for (int i = 0; i < entities.Count; i++)
            {
                entities[i].Draw(spriteBatch);
            }

        }

    }
}