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

//Define the behavior of a production workshop
public class Production_workshop : Workshop
{
    // public float prepTime = 2.0f; //Time for preparation of product

    public string product_name;
    public int product_value;
    public Sprite product_sprite;
    public int initial_stock = 5;
    private int stock; //Current stock
    public int Stock{ //stock property
        get{return stock;}
        set{
            StockManager.Instance.updateStock(product_name, value-stock);
            stock = Mathf.Abs(value);
        } 
    } //Stock of product

    //Handle objects interactions w/ Workshop
    //Return wether the object is taken from tavernkeeper
    public override bool use(GameObject userObject)
    {          
        if(userObject != null)
        {
            // Debug.Log(userObject.tag);
            //TODO : Gérer Grabable qui ne sont pas des mugs ?
            if(userObject.tag=="Grabable" && currentMug is null) //Try to stock Mug into workshop
            {
                Mug mug = userObject.GetComponent<Mug>();
                if (mug!= null && mug.content is null && !mug.dirty && Stock>0) //Mug clean & empty + remaining stock in workshop
                {
                    Debug.Log(userObject.name+ " stocked in "+gameObject.name);
                    mug.take();
                    currentMug=userObject;

                    if(UIPrepTimer != null) //Display UI prep timer
                    {
                        prepTimer=0.0f;
                        UIPrepTimer.SetValue(prepTimer/prepTime);
                        UIPrepTimer.DisplayIcon(product_sprite);
                        UIPrepTimer.gameObject.SetActive(true);
                    }

                    return true; //Object taken
                }
                else
                {
                    Debug.Log(userObject.name+" cannot be filled with "+product_name+ " -stock:"+Stock);
                }
            }
            else if(userObject.tag=="Player" && prepTimer<prepTime && currentMug != null) //Prepare currentMug
            {
                continueUse(userObject);
            }
            else if(userObject.tag=="Player" && prepTimer>=prepTime) //Give tavernkeeper currentMug if finished preparation
            {
                Tavernkeeper_controller player = userObject.GetComponent<Tavernkeeper_controller>();
                Mug mug = currentMug.GetComponent<Mug>();
                if(player!=null && mug !=null)
                {
                    Debug.Log(gameObject.name+" give "+currentMug.name+" filled with "+product_name+" to "+userObject.name);
                    //Fill mug
                    mug.fill(new Consumable(product_name,product_value,product_sprite));
                    Stock--;
                    UIPrepTimer.gameObject.SetActive(false); //Turn off UI prep timer

                    //Give mug
                    player.grab(currentMug);
                    currentMug=null;
                }
            }
        }
        else
            Debug.LogWarning(gameObject.name+" doesn't handle : "+userObject);

        return false; //Object not taken
    }

    // Start is called before the first frame update
    protected override void Start()
    {
        base.Start(); //Call workshop Start
        stock = initial_stock; //Using stock instead of Stock to skip set property
        StockManager.Instance.registerWorkshop(this);
    }

    void OnEnable()
    {
        StockManager.Instance.registerWorkshop(this);
    }

    void OnDisable()
    {
        StockManager.Instance.removeWorkshop(this);
    }

    void OnDestroy()
    {
        StockManager.Instance.removeWorkshop(this);
    }
}