From 5d62803293c68e3c716d652b8ba4a75aeec6114d Mon Sep 17 00:00:00 2001
From: Paul Zabelin <paulz@users.noreply.github.com>
Date: Tue, 10 Oct 2023 17:47:46 -0700
Subject: [PATCH] Use OpenAI to refactor, took multiple attempts

---
 GildedRose/GildedRose.swift | 113 ++++++++++++++++++++----------------
 1 file changed, 62 insertions(+), 51 deletions(-)

diff --git a/GildedRose/GildedRose.swift b/GildedRose/GildedRose.swift
index 36154f7..cf0ed94 100644
--- a/GildedRose/GildedRose.swift
+++ b/GildedRose/GildedRose.swift
@@ -7,60 +7,71 @@
 //
 
 public class GildedRose {
-
+    
     public static func updateQuality(_ items: Array<Item>) -> [Item] {
-        var items = items
-        for i in 0 ..< items.count {
-            if items[i].name != "Aged Brie" && items[i].name != "Backstage passes to a TAFKAL80ETC concert" {
-                if items[i].quality > 0 {
-                    if items[i].name != "Sulfuras, Hand of Ragnaros" {
-                        items[i].quality = items[i].quality - 1
-                    }
-                }
-            } else {
-                if items[i].quality < 50 {
-                    items[i].quality = items[i].quality + 1
-                    
-                    if items[i].name == "Backstage passes to a TAFKAL80ETC concert" {
-                        if items[i].sellIn < 11 {
-                            if items[i].quality < 50 {
-                                items[i].quality = items[i].quality + 1
-                            }
-                        }
-                        
-                        if items[i].sellIn < 6 {
-                            if items[i].quality < 50 {
-                                items[i].quality = items[i].quality + 1
-                            }
-                        }
-                    }
-                }
-            }
-            
-            if items[i].name != "Sulfuras, Hand of Ragnaros" {
-                items[i].sellIn = items[i].sellIn - 1
-            }
-            
-            if items[i].sellIn < 0 {
-                if items[i].name != "Aged Brie" {
-                    if items[i].name != "Backstage passes to a TAFKAL80ETC concert" {
-                        if items[i].quality > 0 {
-                            if items[i].name != "Sulfuras, Hand of Ragnaros" {
-                                items[i].quality = items[i].quality - 1
-                            }
-                        }
-                    } else {
-                        items[i].quality = items[i].quality - items[i].quality
-                    }
-                } else {
-                    if items[i].quality < 50 {
-                        items[i].quality = items[i].quality + 1
-                    }
-                }
+        var updatedItems = items
+        for i in 0..<updatedItems.count {
+            switch updatedItems[i].name {
+            case "Aged Brie":
+                updateQualityForAgedBrie(&updatedItems[i])
+                updateSellIn(&updatedItems[i])
+            case "Backstage passes to a TAFKAL80ETC concert":
+                updateQualityForBackstagePass(&updatedItems[i])
+                updateSellIn(&updatedItems[i])
+            case "Conjured Mana Cake":
+                updateQualityForConjured(&updatedItems[i])
+                updateSellIn(&updatedItems[i])
+            case "Sulfuras, Hand of Ragnaros":
+                break
+            default:
+                updateQualityForNormalItem(&updatedItems[i])
+                updateSellIn(&updatedItems[i])
             }
         }
-        
-        return items
+        return updatedItems
+    }
+    
+    private static func updateSellIn(_ item: inout Item) {
+        item.sellIn -= 1
+    }
+    
+    private static func updateQualityForNormalItem(_ item: inout Item) {
+        if item.sellIn <= 0 {
+            item.quality -= 2
+        } else {
+            item.quality -= 1
+        }
+        item.quality = max(0, item.quality)
     }
     
+    private static func updateQualityForAgedBrie(_ item: inout Item) {
+        if item.sellIn <= 0 {
+            item.quality += 2
+        } else {
+            item.quality += 1
+        }
+        item.quality = min(50, item.quality)
+    }
+    
+    private static func updateQualityForBackstagePass(_ item: inout Item) {
+        if item.sellIn <= 0 {
+            item.quality = 0
+        } else if item.sellIn <= 5 {
+            item.quality += 3
+        } else if item.sellIn <= 10 {
+            item.quality += 2
+        } else {
+            item.quality += 1
+        }
+        item.quality = min(50, item.quality)
+    }
+    
+    private static func updateQualityForConjured(_ item: inout Item) {
+        if item.sellIn < 0 {
+            item.quality -= 4
+        } else {
+            item.quality -= 2
+        }
+        item.quality = max(0, item.quality)
+    }
 }