using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Audio;
using Microsoft.Xna.Framework.Content;
using Microsoft.Xna.Framework.GamerServices;
using Microsoft.Xna.Framework.Graphics;
using Microsoft.Xna.Framework.Input;
using Microsoft.Xna.Framework.Media;

namespace football
{
    public class BlueTeam
    {

        private static int Last_Team_Ball = 1;
        private static int Pass = 1;

        public static void action(Player[] myTeam, Player[] enemyTeam)
        {
            for (int i = 0; i < myTeam.Length; i++) //Loopar över alla spelare
            {
                Player me = myTeam[i];
                Player closest = GetClosest(myTeam[i],myTeam);
                Player closestenemy = GetClosest(myTeam[i], enemyTeam);
                Player closestToBall = GetClosestToBall(myTeam);
                float closestEnemyDistance = GetClosestEnemyDistance(myTeam[i], enemyTeam);
                float closestFriendlyDistance = GetClosestFriendlyDistance(myTeam[i], myTeam);
                if (myTeam[i].Identifier == "Forward")
                {
                    if (Ball.Taken == false)
                    {
                        if (Last_Team_Ball == 1) //om senaste bollinnehavet är mitt lag
                        {
                            if (closestFriendlyDistance > me.Dist(Ball.Pos))
                                myTeam[i].action(ActionCode.goBall, 5);
                            else if (Pass==i)
                                myTeam[i].action(ActionCode.goBall, 10);
                            else
                            {
                                if (i == 1)
                                {
                                    Vector2 Move_Towards = new Vector2(Game1.graphics.PreferredBackBufferWidth / 2, Game1.graphics.PreferredBackBufferHeight * 1 / 3);
                                    myTeam[i].action(ActionCode.go, Move_Towards, 5);
                                }
                                else if (i == 2)
                                {
                                    Vector2 Move_Towards = new Vector2(Game1.graphics.PreferredBackBufferWidth / 2, Game1.graphics.PreferredBackBufferHeight * 2 / 3);
                                    myTeam[i].action(ActionCode.go, Move_Towards, 5);
                                }
                                else if (i == 3)
                                {
                                    Vector2 Move_Towards = new Vector2(Game1.graphics.PreferredBackBufferWidth / 4, Game1.graphics.PreferredBackBufferHeight * 1 / 4);
                                    myTeam[i].action(ActionCode.go, Move_Towards, 5);
                                }
                                else if (i == 4)
                                {
                                    Vector2 Move_Towards = new Vector2(Game1.graphics.PreferredBackBufferWidth / 4, Game1.graphics.PreferredBackBufferHeight * 2 / 4);
                                    myTeam[i].action(ActionCode.go, Move_Towards, 5);
                                }
                                else
                                {
                                    Vector2 Move_Towards = new Vector2(Game1.graphics.PreferredBackBufferWidth / 4, Game1.graphics.PreferredBackBufferHeight * 3 / 4);
                                    myTeam[i].action(ActionCode.go, Move_Towards, 5);
                                }
                            }
                        }
                        else   //om senaste bollinnehavet är motståndarna
                        {
                            if (closestFriendlyDistance > 100)
                                myTeam[i].action(ActionCode.goBall, 5);
                            else
                            {
                                myTeam[i].action(ActionCode.goHome, 5);
                            }
                        }
                    }
                    else if (Ball.getOwner.Team == myTeam[i].Team) //tillhör mitt lag
                    {
                        Last_Team_Ball = 1;
                        if (myTeam[i] == Ball.getOwner)  //tillhör Den här gubben
                        {
                            if (myTeam[i].Position.X < Game1.graphics.PreferredBackBufferWidth / 8)
                            {
                                if (myTeam[i].Position.Y > Game1.graphics.PreferredBackBufferHeight / 2)
                                    myTeam[i].action(ActionCode.shootMiddle, 5);
                                else
                                    myTeam[i].action(ActionCode.shootMiddle, 5);
                            }
                            else
                            {
                                if (closestEnemyDistance > 20)
                                {
                                    myTeam[i].action(ActionCode.go, new Vector2(Game1.graphics.PreferredBackBufferWidth / 8, Game1.graphics.PreferredBackBufferHeight / 2), 10);
                                }
                                else
                                {
                                    Pass = GetBestPass(myTeam[i], myTeam, enemyTeam, i);
                                    myTeam[i].action(ActionCode.pass, myTeam[Pass], 5);
                                }

                            }
                        }
                        else    // Tillhör mitt lag men inte denna gubbe
                        {
                            if (closestEnemyDistance < 1)
                            {
                                if (closestFriendlyDistance > 100)
                                {
                                    Vector2 Move_Towards = new Vector2(closestenemy.Position.X - myTeam[i].Position.X, closestenemy.Position.Y - myTeam[i].Position.Y);
                                    myTeam[i].action(ActionCode.go, Move_Towards, 5);
                                }
                                else
                                {
                                    if (i==1 || i==3)
                                    {
                                        Vector2 Move_Towards = new Vector2(closest.Position.X - myTeam[i].Position.X, closest.Position.Y+100);
                                        myTeam[i].action(ActionCode.go, Move_Towards, 5);
                                    }
                                    else
                                    {
                                        Vector2 Move_Towards = new Vector2(closest.Position.X - myTeam[i].Position.X, closest.Position.Y-100);
                                        myTeam[i].action(ActionCode.go, Move_Towards, 5);
                                    }
                                }
                            }
                            else
                            {
                                if (closestFriendlyDistance > 2000)
                                {
                                    Vector2 Move_Towards = new Vector2(closestenemy.Position.Y - 100, closestenemy.Position.Y - myTeam[i].Position.Y);
                                    myTeam[i].action(ActionCode.go, Move_Towards, 5);
                                }
                                else
                                {
                                    if (i == 1)
                                    {
                                        Vector2 Move_Towards = new Vector2(Game1.graphics.PreferredBackBufferWidth / 2, Game1.graphics.PreferredBackBufferHeight * 1 / 3);
                                        myTeam[i].action(ActionCode.go, Move_Towards, 5);
                                    }
                                    else if (i == 2)
                                    {
                                        Vector2 Move_Towards = new Vector2(Game1.graphics.PreferredBackBufferWidth / 2, Game1.graphics.PreferredBackBufferHeight * 2 / 3);
                                        myTeam[i].action(ActionCode.go, Move_Towards, 5);
                                    }
                                    else if (i == 3)
                                    {
                                        Vector2 Move_Towards = new Vector2(Game1.graphics.PreferredBackBufferWidth / 4, Game1.graphics.PreferredBackBufferHeight * 1 / 4);
                                        myTeam[i].action(ActionCode.go, Move_Towards, 5);
                                    }
                                    else if (i == 4)
                                    {
                                        Vector2 Move_Towards = new Vector2(Game1.graphics.PreferredBackBufferWidth / 4, Game1.graphics.PreferredBackBufferHeight * 2 / 4);
                                        myTeam[i].action(ActionCode.go, Move_Towards, 5);
                                    }
                                    else
                                    {
                                        Vector2 Move_Towards = new Vector2(Game1.graphics.PreferredBackBufferWidth / 4, Game1.graphics.PreferredBackBufferHeight * 3 / 4);
                                        myTeam[i].action(ActionCode.go, Move_Towards, 5);
                                    }
                                }
                            }
                        }
                    }
                    else //Tillhör motståndarlaget
                    {
                        Last_Team_Ball = 2;
                        if (closestFriendlyDistance > 100)
                            myTeam[i].action(ActionCode.goBall, 5);
                        else
                            myTeam[i].action(ActionCode.goHome, 3);
                    }
                }
                if (myTeam[i].Identifier == "Goalie")
                {
                    if (Ball.getOwner != myTeam[i])
                    {
                        myTeam[i].action(ActionCode.goHome, 3);
                    }
                    else
                    {
                        if (Ball.getOwner == myTeam[i])
                        {
                            Pass = GetBestPass(myTeam[i], myTeam, enemyTeam, i);
                            myTeam[i].action(ActionCode.pass, myTeam[Pass], 10);
                        }
                    }
                }

                if (myTeam[i].Dist(Ball.Pos) < 10 && !Ball.Taken)
                {
                    myTeam[i].action(ActionCode.pickUpBall);
                }
                if (closestToBall.Identifier != "Goalie")
                    closestToBall.action(ActionCode.goBall, 10);
                else if (closestToBall.Position.X>Game1.graphics.PreferredBackBufferWidth * 9/10)
                    closestToBall.action(ActionCode.goBall, 10);

            }
        }

        public static Player GetClosest(Player me, Player[] myTeam)
        {
            Player closest = new Player();
            float dist = 1000, tempDist;
            for (int i = 0; i < myTeam.Length; i++)
            {
                if (myTeam[i] != me)
                {
                    tempDist = me.Dist(myTeam[i].Position);
                    if (tempDist < dist)
                    {
                        closest = myTeam[i];
                        dist = tempDist;
                    }
                }
            }
            return closest;
        }
        public static Player GetClosestToBall(Player[] myTeam)
        {
            Player player = new Player();
            float dist = 1000,tempDist;
            for (int i = 0; i < myTeam.Length; i++)
            {
                tempDist = myTeam[i].Dist(Ball.Pos);
                if (tempDist < dist)
                {
                    player = myTeam[i];
                    dist = tempDist;
                }
            }
            return player;
        }
        public static float GetClosestEnemyDistance(Player me, Player[] enemyTeam)
        {
            float dist=me.Dist(enemyTeam[0].Position), tempDist;
            for (int i = 0; i < enemyTeam.Length; i++)
            {
                tempDist = me.Dist(enemyTeam[i].Position);
                if (tempDist < dist)
                {
                    dist=tempDist;
                }
            }
            return dist;
        }
        public static float GetClosestFriendlyDistance(Player me, Player[] myTeam)
        {
            float dist = me.Dist(myTeam[0].Position), tempDist;
            for (int i = 0; i < myTeam.Length; i++)
            {
                tempDist = me.Dist(myTeam[i].Position);
                if (tempDist < dist)
                {
                    dist = tempDist;
                }
            }
            return dist;
        }
        public static int GetBestPass(Player me, Player[] myTeam, Player[] enemyTeam, int me_number)
        {
            double dist = myTeam[0].Position.X, tempX;
            int Pass = new int();
            Pass = 0;
            for (int i = 0; i < myTeam.Length; i++)
            {
                if (i != me_number)
                {


                    tempX = (Game1.graphics.PreferredBackBufferWidth-myTeam[i].Position.X) * GetClosestEnemyDistance(myTeam[i], enemyTeam);
                    if (tempX > dist && me.Dist(myTeam[i].Position)>100)
                    {
                        dist = tempX;
                        Pass = i;
                    }
                }
            }
            return Pass;
        }
    }
}