using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class AIBrain : MonoBehaviour
{
	private WinCondition winCondition;

	public GameObject[] allSlotsGO = new GameObject[8]; //all slots on game board
	public bool[] isSlotsUnused = new bool[8]; //which slots on the game board have not been placed on
	int turnCounter = 1;

	void Awake()
	{
		winCondition = gameObject.GetComponent<WinCondition> ();
	}

	void Start()
	{
		Setup();
	}

	void Setup()
	{
		/*for(int i = 0; i < isSlotsUnused.length; i++)
		{
			isSlotsUnused[i] = true;
		}*/
	}

	void AIMove()
	{
		//find out what turn its on, assume it always starts on turn 1, because it does..
		switch(turnCounter)
		{
			case 1:
			MoveOne();
			break;
			case 2:
			MoveTwo();
			break;
			case 3:
			MoveThree();
			break;
			case 4:
			MoveFour();
			break;
			case 5:
			MoveFive();
			break;
		}
		//increment counter
		turnCounter += 1;
	}

	void MoveOne()
	{
		bool hasPlayed = false;
		int playAttempt;

		while(hasPlayed == false)
		{
			playAttempt = Random.Range(0,8); //randomly move 0-8
			if (winCondition.xMarker[playAttempt] == false && winCondition.oMarker[playAttempt] == false)
				hasPlayed == true;
		}

		//place on allSlotsGO[playAttempt] //lets say that move was pos1
		//change isSlotsUnused[playAttempt] to false //place 1
	}

	void MoveTwo()
	{
		bool hasPlayed = false;
		int playAttempt;

		while(hasPlayed == false)
		{
			playAttempt = Random.Range(0,8); //randomly place 0-6, lets say player moves on pos2
			if (isSlotsUnused [playAttempt] == true)
				hasPlayed == true;
		}

		//place on allSlotsGO[playAttempt] //lets say that move was pos3
		//change isSlotsUnused[playAttempt] to false //[place 3]

	}

	void MoveThree()
	{
		bool hasPlayed = false;
		int playAttempt;

		while(hasPlayed == false)
		{
			playAttempt = Random.Range(0,8); //randomly place 0-6, lets say player moves on pos4
			if (isSlotsUnused [playAttempt] == true)
				hasPlayed == true;
		}

		//place on allSlotsGO[playAttempt] //lets say that move was pos5
		//change isSlotsUnused[playAttempt] to false //[place 5]

	}

	void MoveFour()
	{
		bool hasPlayed = false;
		int playAttempt;

		while(hasPlayed == false)
		{
			playAttempt = Random.Range(0,8); //randomly place 0-6, lets say player moves on pos6
			if (isSlotsUnused [playAttempt] == true)
				hasPlayed == true;
		}

		//place on allSlotsGO[playAttempt] //lets say that move was pos7
		//change isSlotsUnused[playAttempt] to false //[place 7]

	}

	void MoveFive()
	{
		bool hasPlayed = false;
		int playAttempt;

		while(hasPlayed == false)
		{
			playAttempt = Random.Range(0,8); //randomly place 0-6, lets say player moves on pos8
			if (isSlotsUnused [playAttempt] == true)
				hasPlayed == true;
		}

		//place on allSlotsGO[playAttempt] //lets say that move was pos9
		//change isSlotsUnused[playAttempt] to false //[place 9]

	}

}