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

public class CardSystem : MonoBehaviour {

    public List<string> Cards = new List<string>();
    public int CardsCount;
    public int DiscardedCardsCount;
    public int timesLeft;

    public bool isEmpty = false;
    public bool isEmpty1 = false;
    public bool isEmpty2 = false;
    public bool isEmpty3 = false;
    public bool isEmpty4 = false;

    public GameObject TotalCards;
    public GameObject DiscardedCards;
    public GameObject NewHandButton;
    public GameObject TakeCardsButton;
    public GameObject CardBox;
    public GameObject CardBox1;
    public GameObject CardBox2;
    public GameObject CardBox3;
    public GameObject CardBox4;
    public GameObject DiscardButton;
    public GameObject DiscardButton1;
    public GameObject DiscardButton2;
    public GameObject DiscardButton3;
    public GameObject DiscardButton4;

    void Start ()
    {
        CardsCount = 52;
        DiscardedCardsCount = 0;
        timesLeft = 0;
        NewList();

        DiscardButton.gameObject.SetActive(false);
        DiscardButton1.gameObject.SetActive(false);
        DiscardButton2.gameObject.SetActive(false);
        DiscardButton3.gameObject.SetActive(false);
        DiscardButton4.gameObject.SetActive(false);

        TakeCardsButton.GetComponent<Button>().interactable = false;

        isEmpty = true;
        isEmpty1 = true;
        isEmpty2 = true;
        isEmpty3 = true;
        isEmpty4 = true;
    }

    void Update ()
    {
        TotalCards.GetComponent<InputField>().text = CardsCount.ToString();
        DiscardedCards.GetComponent<InputField>().text = DiscardedCardsCount.ToString();
    }

    public void NewHand ()
    {
        StartCoroutine(GiveCardsNew());
        NewHandButton.GetComponent<Button>().interactable = false;
        isEmpty = false;
        isEmpty1 = false;
        isEmpty2 = false;
        isEmpty3 = false;
        isEmpty4 = false;
    }

    public IEnumerator GiveCardsNew()
    {
        CardBox.GetComponent<InputField>().text = "";
        CardBox1.GetComponent<InputField>().text = "";
        CardBox2.GetComponent<InputField>().text = "";
        CardBox3.GetComponent<InputField>().text = "";
        CardBox4.GetComponent<InputField>().text = "";
        yield return new WaitForSeconds(0.5f);

        int newRandom1 = Random.Range(0, Cards.Count);
        CardBox.GetComponent<InputField>().text = Cards[newRandom1];
        Cards.RemoveAt(newRandom1);
        CardsCount -= 1;
        yield return new WaitForSeconds(0.5f);

        int newRandom2 = Random.Range(0, Cards.Count);
        CardBox1.GetComponent<InputField>().text = Cards[newRandom2];
        Cards.RemoveAt(newRandom2);
        CardsCount -= 1;
        yield return new WaitForSeconds(0.5f);

        int newRandom3 = Random.Range(0, Cards.Count);
        CardBox2.GetComponent<InputField>().text = Cards[newRandom3];
        Cards.RemoveAt(newRandom3);
        CardsCount -= 1;
        yield return new WaitForSeconds(0.5f);

        int newRandom4 = Random.Range(0, Cards.Count);
        CardBox3.GetComponent<InputField>().text = Cards[newRandom4];
        Cards.RemoveAt(newRandom4);
        CardsCount -= 1;
        yield return new WaitForSeconds(0.5f);

        int newRandom5 = Random.Range(0, Cards.Count);
        CardBox4.GetComponent<InputField>().text = Cards[newRandom5];
        Cards.RemoveAt(newRandom5);
        CardsCount -= 1;
        yield return new WaitForSeconds(0.5f);

        if (timesLeft < 2)
        {
            DiscardButton.gameObject.SetActive(true);
            DiscardButton1.gameObject.SetActive(true);
            DiscardButton2.gameObject.SetActive(true);
            DiscardButton3.gameObject.SetActive(true);
            DiscardButton4.gameObject.SetActive(true);
        } else if (timesLeft >= 2)
        {
            DiscardButton.gameObject.SetActive(false);
            DiscardButton1.gameObject.SetActive(false);
            DiscardButton2.gameObject.SetActive(false);
            DiscardButton3.gameObject.SetActive(false);
            DiscardButton4.gameObject.SetActive(false);
        }
    }

    public IEnumerator GiveCardsTake()
    {
        TakeCardsButton.GetComponent<Button>().interactable = false;
        yield return new WaitForSeconds(0.5f);

        if (isEmpty)
        {
            int newRandom1 = Random.Range(0, Cards.Count);
            CardBox.GetComponent<InputField>().text = Cards[newRandom1];
            Cards.RemoveAt(newRandom1);
            isEmpty = false;
            CardsCount -= 1;
            yield return new WaitForSeconds(0.5f);
        }
        if (isEmpty1)
        {
            int newRandom1 = Random.Range(0, Cards.Count);
            CardBox1.GetComponent<InputField>().text = Cards[newRandom1];
            Cards.RemoveAt(newRandom1);
            isEmpty1 = false;
            CardsCount -= 1;
            yield return new WaitForSeconds(0.5f);
        }
        if (isEmpty2)
        {
            int newRandom1 = Random.Range(0, Cards.Count);
            CardBox2.GetComponent<InputField>().text = Cards[newRandom1];
            Cards.RemoveAt(newRandom1);
            isEmpty2 = false;
            CardsCount -= 1;
            yield return new WaitForSeconds(0.5f);
        }
        if (isEmpty3)
        {
            int newRandom1 = Random.Range(0, Cards.Count);
            CardBox3.GetComponent<InputField>().text = Cards[newRandom1];
            Cards.RemoveAt(newRandom1);
            isEmpty3 = false;
            CardsCount -= 1;
            yield return new WaitForSeconds(0.5f);
        }
        if (isEmpty4)
        {
            int newRandom1 = Random.Range(0, Cards.Count);
            CardBox4.GetComponent<InputField>().text = Cards[newRandom1];
            Cards.RemoveAt(newRandom1);
            isEmpty4 = false;
            CardsCount -= 1;
            yield return new WaitForSeconds(0.5f);
        }

        if (timesLeft < 2)
        {
            DiscardButton.gameObject.SetActive(true);
            DiscardButton1.gameObject.SetActive(true);
            DiscardButton2.gameObject.SetActive(true);
            DiscardButton3.gameObject.SetActive(true);
            DiscardButton4.gameObject.SetActive(true);
        }
        else if (timesLeft >= 2)
        {
            DiscardButton.gameObject.SetActive(false);
            DiscardButton1.gameObject.SetActive(false);
            DiscardButton2.gameObject.SetActive(false);
            DiscardButton3.gameObject.SetActive(false);
            DiscardButton4.gameObject.SetActive(false);
        }
    }

    public void Reset ()
    {
        CardsCount = 52;
        DiscardedCardsCount = 0;
        NewList();
        NewHandButton.GetComponent<Button>().interactable = true;
        TakeCardsButton.GetComponent<Button>().interactable = false;

        CardBox.GetComponent<InputField>().text = "";
        CardBox1.GetComponent<InputField>().text = "";
        CardBox2.GetComponent<InputField>().text = "";
        CardBox3.GetComponent<InputField>().text = "";
        CardBox4.GetComponent<InputField>().text = "";

        DiscardButton.gameObject.SetActive(false);
        DiscardButton1.gameObject.SetActive(false);
        DiscardButton2.gameObject.SetActive(false);
        DiscardButton3.gameObject.SetActive(false);
        DiscardButton4.gameObject.SetActive(false);

        isEmpty = true;
        isEmpty1 = true;
        isEmpty2 = true;
        isEmpty3 = true;
        isEmpty4 = true;

        timesLeft = 0;
    }

    public void TakeCards ()
    {
        StartCoroutine(GiveCardsTake());
        timesLeft += 1;
    }

    public void Discard ()
    {
        CardBox.GetComponent<InputField>().text = "";
        DiscardButton.gameObject.SetActive(false);
        DiscardedCardsCount += 1;
        isEmpty = true;
        TakeCardsButton.GetComponent<Button>().interactable = true;
    }

    public void Discard1()
    {
        CardBox1.GetComponent<InputField>().text = "";
        DiscardButton1.gameObject.SetActive(false);
        DiscardedCardsCount += 1;
        isEmpty1 = true;
        TakeCardsButton.GetComponent<Button>().interactable = true;
    }

    public void Discard2()
    {
        CardBox2.GetComponent<InputField>().text = "";
        DiscardButton2.gameObject.SetActive(false);
        DiscardedCardsCount += 1;
        isEmpty2 = true;
        TakeCardsButton.GetComponent<Button>().interactable = true;
    }

    public void Discard3()
    {
        CardBox3.GetComponent<InputField>().text = "";
        DiscardButton3.gameObject.SetActive(false);
        DiscardedCardsCount += 1;
        isEmpty3 = true;
        TakeCardsButton.GetComponent<Button>().interactable = true;
    }

    public void Discard4()
    {
        CardBox4.GetComponent<InputField>().text = "";
        DiscardButton4.gameObject.SetActive(false);
        DiscardedCardsCount += 1;
        isEmpty4 = true;
        TakeCardsButton.GetComponent<Button>().interactable = true;
    }

    void NewList()
    {
        Cards.Add ("2s");
        Cards.Add ("2h");
        Cards.Add ("2d");
        Cards.Add ("2c");

        Cards.Add ("3s");
        Cards.Add ("3h");
        Cards.Add ("3d");
        Cards.Add ("3c");

        Cards.Add ("4s");
        Cards.Add ("4h");
        Cards.Add ("4d");
        Cards.Add ("4c");

        Cards.Add ("5s");
        Cards.Add ("5h");
        Cards.Add ("5d");
        Cards.Add ("5c");

        Cards.Add ("6s");
        Cards.Add ("6h");
        Cards.Add ("6d");
        Cards.Add ("6c");

        Cards.Add ("7s");
        Cards.Add ("7h");
        Cards.Add ("7d");
        Cards.Add ("7c");

        Cards.Add ("8s");
        Cards.Add ("8h");
        Cards.Add ("8d");
        Cards.Add ("8c");

        Cards.Add ("9s");
        Cards.Add ("9h");
        Cards.Add ("9d");
        Cards.Add ("9c");

        Cards.Add ("10s");
        Cards.Add ("10h");
        Cards.Add ("10d");
        Cards.Add ("10c");

        Cards.Add ("Js");
        Cards.Add ("Jh");
        Cards.Add ("Jd");
        Cards.Add ("Jc");

        Cards.Add ("Qs");
        Cards.Add ("Qh");
        Cards.Add ("Qd");
        Cards.Add ("Qc");

        Cards.Add ("Ks");
        Cards.Add ("Kh");
        Cards.Add ("Kd");
        Cards.Add ("Kc");

        Cards.Add ("As");
        Cards.Add ("Ah");
        Cards.Add ("Ad");
        Cards.Add ("Ac");
    }

}