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

public class ReplyKeeper : MonoBehaviour
{
    [Header("Elements")]
    [SerializeField]
    private Text replyText;

    [Header("Com controller")]
    [SerializeField]
    private CommentsController comCtrl;

    [Header("Currency elements")]
    [SerializeField]
    private GameObject currencyGO;
    [SerializeField]
    private Image currencyImage;
    [SerializeField]
    private Text currencyText;
    [SerializeField]
    private GameObject prefabReward;

    [Header("Currency sprites")]
    [SerializeField]
    private Sprite currencyDollars;
    [SerializeField]
    private Sprite currencyGlams;
    [SerializeField]
    private Sprite currencyMotivation;

    [Header("Data")]
    [SerializeField]
    DataTools.DataUser dataUser;

    private DataTools.Reply localReply;

    public void SetReply(DataTools.Reply reply, CommentsController cc)
    {
        localReply = reply;
        SetData();
        SetCurrencyData();
    }

    private void SetCurrencyData()
    {
        currencyGO.SetActive(false);
        if (localReply.Cost != null)
        {
            if (localReply.Cost.Motivation != 0)
            {
                currencyImage.sprite = currencyMotivation;
                currencyText.text = Mathf.Abs(localReply.Cost.Motivation).ToString();
                currencyGO.SetActive(true);
            }
            else if (localReply.Cost.Dollars!=0)
            {
                currencyImage.sprite = currencyDollars;
                currencyText.text = Mathf.Abs(localReply.Cost.Dollars).ToString();
                currencyGO.SetActive(true);
            } 
            else if (localReply.Cost.Glam != 0)
            {
                currencyImage.sprite = currencyGlams;
                currencyText.text = Mathf.Abs(localReply.Cost.Glam).ToString();
                currencyGO.SetActive(true);
            }
        }
    }

    private void SetData()
    {
        if(localReply != null)
        {
            replyText.text = localReply.Text;
        }
    }

    private bool HasCost()
    {
        return localReply.Cost != null && (localReply.Cost.Dollars != 0 || localReply.Cost.Glam != 0 || localReply.Cost.Motivation != 0);
    }

    /// <summary>
    /// Change user`s currency
    /// </summary>
    /// <returns></returns>
    private void ExecuteCostRewardChanges()
    {
        bool cost = HasCost();
        if (cost)
        {
            if (localReply.Cost.Motivation != 0)
            {
                if(dataUser.UserData.CurrencyData.Motivation < localReply.Cost.Motivation)
                {
                    cost = false;
                }
                else
                {
                    dataUser.UserData.CurrencyData.Motivation -= localReply.Cost.Motivation;
                    cost = true;
                }
            }
            else if (localReply.Cost.Dollars != 0)
            {
                if (dataUser.UserData.CurrencyData.Dollars < localReply.Cost.Dollars)
                {
                    cost = false;
                }
                else
                {
                    dataUser.UserData.CurrencyData.Dollars -= localReply.Cost.Dollars;
                    cost = true;
                }
            }
            else if (localReply.Cost.Glam != 0)
            {
                if (dataUser.UserData.CurrencyData.Glam < localReply.Cost.Glam)
                {
                    cost = false;
                }
                else
                {
                    dataUser.UserData.CurrencyData.Glam -= localReply.Cost.Glam;
                    cost = true;
                }
            }
        }
        else
            cost = true;

        if(cost)
        {
            if (localReply.Reward.Motivation != 0)
            {
                SpawnReward(localReply.Reward.Motivation, RewardType.Motivation);
            }
            if (localReply.Reward.Dollars != 0)
            {
                SpawnReward(localReply.Reward.Dollars, RewardType.Dollar);
            }
            if (localReply.Reward.Glam != 0)
            {
                SpawnReward(localReply.Reward.Glam, RewardType.Glam);
            }
            if (localReply.Reward.Experience != 0)
            {
                SpawnReward(localReply.Reward.Experience, RewardType.Experience);
            }
        }
    }

    private void SpawnReward(int value, RewardType rewardType)
    {
        GameObject item = Instantiate(prefabReward);

        item.transform.position = currencyGO.transform.position;
        item.GetComponent<RewardConversation>().SpawnReward(rewardType, value);
    }

    public void Show(bool show)
    {
        this.gameObject.SetActive(show);
    }

    public void OnClick()
    {
        if(localReply != null)
        {
            ExecuteCostRewardChanges();
            comCtrl.SwitchDialog(localReply.NextDialogIndex);
        }
    }
}