From 2c22c34721f7fab392bb6f0ed8378adf7d9748f2 Mon Sep 17 00:00:00 2001
From: Bjorn Misseghers <bjorn.misseghers@unifiedpost.com>
Date: Tue, 13 Apr 2021 11:06:37 +0200
Subject: [PATCH] Use the item behaviors to process the updates

---
 .../main/java/com/gildedrose/GildedRose.java  | 74 ++-----------------
 1 file changed, 5 insertions(+), 69 deletions(-)

diff --git a/Java/src/main/java/com/gildedrose/GildedRose.java b/Java/src/main/java/com/gildedrose/GildedRose.java
index d95f23eb..e0a32bae 100644
--- a/Java/src/main/java/com/gildedrose/GildedRose.java
+++ b/Java/src/main/java/com/gildedrose/GildedRose.java
@@ -1,12 +1,10 @@
 package com.gildedrose;
 
-class GildedRose {
-    public static final String ITEM_AGED_BRIE = "Aged Brie";
-    public static final String ITEM_SULFURAS_HAND_OF_RAGNAROS = "Sulfuras, Hand of Ragnaros";
-    public static final String ITEM_BACKSTAGE_PASSES = "Backstage passes to a TAFKAL80ETC concert";
-    public static final int MAX_QUALITY_LEVEL = 50;
-    public static final int MIN_QUALITY_LEVEL = 0;
+import com.gildedrose.behavior.ItemBehaviorPicker;
 
+import java.util.Arrays;
+
+class GildedRose {
     Item[] items;
 
     public GildedRose(Item[] items) {
@@ -14,68 +12,6 @@ class GildedRose {
     }
 
     public void updateQuality() {
-        for (int i = 0; i < items.length; i++) {
-            final Item currentItem = items[i];
-            if (!currentItem.name.equals(ITEM_AGED_BRIE)
-                    && !currentItem.name.equals(ITEM_BACKSTAGE_PASSES)) {
-                if (currentItem.quality > MIN_QUALITY_LEVEL) {
-                    if (!currentItem.name.equals(ITEM_SULFURAS_HAND_OF_RAGNAROS)) {
-                        decreaseQuality(currentItem);
-                    }
-                }
-            } else {
-                if (currentItem.quality < MAX_QUALITY_LEVEL) {
-                    increaseQuality(currentItem);
-
-                    if (currentItem.name.equals(ITEM_BACKSTAGE_PASSES)) {
-                        if (currentItem.sellIn < 11) {
-                            if (currentItem.quality < MAX_QUALITY_LEVEL) {
-                                increaseQuality(currentItem);
-                            }
-                        }
-
-                        if (currentItem.sellIn < 6) {
-                            if (currentItem.quality < MAX_QUALITY_LEVEL) {
-                                increaseQuality(currentItem);
-                            }
-                        }
-                    }
-                }
-            }
-
-            if (!currentItem.name.equals(ITEM_SULFURAS_HAND_OF_RAGNAROS)) {
-                decreaseSellIn(currentItem);
-            }
-
-            if (currentItem.sellIn < 0) {
-                if (!currentItem.name.equals(ITEM_AGED_BRIE)) {
-                    if (!currentItem.name.equals(ITEM_BACKSTAGE_PASSES)) {
-                        if (currentItem.quality > MIN_QUALITY_LEVEL) {
-                            if (!currentItem.name.equals(ITEM_SULFURAS_HAND_OF_RAGNAROS)) {
-                                decreaseQuality(currentItem);
-                            }
-                        }
-                    } else {
-                        currentItem.quality = 0;
-                    }
-                } else {
-                    if (currentItem.quality < MAX_QUALITY_LEVEL) {
-                        increaseQuality(currentItem);
-                    }
-                }
-            }
-        }
-    }
-
-    private void decreaseQuality(Item item) {
-        item.quality = item.quality - 1;
-    }
-
-    private void increaseQuality(Item item) {
-        item.quality = item.quality + 1;
-    }
-
-    private void decreaseSellIn(Item item) {
-        item.sellIn = item.sellIn - 1;
+        Arrays.stream(items).forEach(item -> ItemBehaviorPicker.forName(item.name).processUpdate(item));
     }
 }
\ No newline at end of file