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

public class Deck : MonoBehaviour
{
    public List<CardData> cardDataList;
    public List<CardData> drawList;
    public List<CardData> handList;
    public List<CardData> discardList;
    public List<CardData> wasteList;
    public int randomSeed;

    // Start is called before the first frame update
    void Start()
    {
        randomSeed = 200;
        Random.InitState(randomSeed);
        // Add cards into cardDataList


    }

    // Update is called once per frame
    void Update()
    {
        
    }

    public void DrawCards(int amount)
    {
        for (int i = 0; i < amount; i++)
        {
            handList.Add(drawList[drawList.Count - 1]);
            drawList.RemoveAt(drawList.Count - 1);
        }
    }

    public void UseACard(int index)
    {
        // TODO: Add card type into card data
        // Chech if the card is waste card;
        //if (handList[index].cardTags == wastCard)
        //{
        //    wasteList.Add(handList[index]);
        //}
        //else
        //{
            discardList.Add(handList[index]);
        //}
        handList.RemoveAt(index);
    }
    public void AddACardIntoDiscardList(CardData card)
    {
        discardList.Add(card);
    }

    private void Shuffle()
    {
        Debug.LogError("Start Shuffle.");
        Debug.LogError("DrawList count: " + drawList.Count);
        Debug.LogError("DiscardList count: " + discardList.Count);

        // Put all cards in drawList into discardList
        if (drawList.Count > 0)
        {
            for (int i = 0; i < drawList.Count; i++)
            {
                discardList.Add(drawList[i]);
            }
            drawList.Clear();
        }

        do
        {
            int index = Random.Range(0, discardList.Count);
            drawList.Add(discardList[index]);
            discardList[index] = discardList[discardList.Count - 1];
            discardList.RemoveAt(discardList.Count - 1);
        } while (discardList.Count != 0);
        Debug.LogError("DrawList count: " + drawList.Count);
        Debug.LogError("DiscardList count: " + discardList.Count);
        Debug.LogError("End Shuffle.");
    }


}