public class Inventory {
    private Item[] items;

    public Inventory(Item[] items) {
        super();
        this.items = items;
    }

    public void updateQuality() {
        for (int i = 0; i < items.length; i++) {  
            String name = items[i].getName();
            int quality = items[i].getQuality();
            int sellIn = items[i].getSellIn();
            if (quality >0 && quality < 50){
                setQuality(name, quality,items[i], setSellIn(sellIn,items[i],name));
            }
            
        }
        //cant be sulfuras
    }

    public int setSellIn(int sellIn, Item items, String name){
        sellIn = sellIn - 1;
        items.setSellIn(sellIn);
        int x = 0;
        if (name.equals("conjured")|| sellIn <= 0){
             x = 2;   //quality decrease by 1 when it hasn't passed the sellIn day;
        } else if(sellIn > 0){ 
             x = 1;  //quality decrease by 2 when it passed or on the pass day;
            }
        return x;
    }    // this is everything else
   

    public void setQuality(String name, int quality, Item items,int decrease){
        if (name.equals("Aged Brie")){
            quality =quality + decrease;
            items.setQuality(quality);
        }
        else{
            quality = quality -decrease;
            items.setQuality(quality);
        }
    }  // if this is Aged Brie


    }