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++) {
            if(items[i].getName().equals("Sulfuras, Hand of Ragnaros")){

            } else if (items[i].getName().equals("Aged Brie")) {
                if (items[i].getQuality() < 50) {
                    items[i].setQuality(items[i].getQuality() + 1);
                }
                items[i].setSellIn(items[i].getSellIn() - 1); 
            } else if(items[i].getName().equals("Backstage passes to a TAFKAL80ETC concert")){
                if (items[i].getQuality() < 50) {
                    items[i].setQuality(items[i].getQuality() + 1);
                }
                if (items[i].getSellIn() < 11 && items[i].getQuality() < 50) {
                    items[i].setQuality(items[i].getQuality() + 1);
                }
                if (items[i].getSellIn() < 6 && (items[i].getQuality() < 50)) {
                    items[i].setQuality(items[i].getQuality() + 1);
                }
                items[i].setSellIn(items[i].getSellIn() - 1);
            }else if(items[i].getName().equals("Conjured")){
                if (items[i].getQuality() > 0) {
                    items[i].setQuality(items[i].getQuality() - 2);
                    items[i].setSellIn(items[i].getSellIn() - 1);
                }
            }else {
                if (items[i].getQuality() > 0){
                    items[i].setQuality(items[i].getQuality() - 1);
                    items[i].setSellIn(items[i].getSellIn() - 1);
                }
            }

            if(items[i].getName().equals("Sulfuras, Hand of Ragnaros")){

            } else if (items[i].getSellIn() < 0) {
                if (items[i].getName().equals("Aged Brie") 
                && items[i].getQuality() < 50) {
                    items[i].setQuality(items[i].getQuality() + 1);
                } else if (items[i].getName().equals("Backstage passes to a TAFKAL80ETC concert")) {
                    items[i].setQuality(items[i].getQuality()
                        - items[i].getQuality());
                }else if (items[i].getName().equals("Conjured")){
                    items[i].setQuality(items[i].getQuality() - 2);  
                } else if (items[i].getQuality() > 0) {
                    items[i].setQuality(items[i].getQuality() - 1);
                }
            }

        }
    }
}