From 3cca51abcf4381ca29f8d264e725795e2f20cb53 Mon Sep 17 00:00:00 2001
From: ismail-doitbig <89635383+ismail-doitbig@users.noreply.github.com>
Date: Fri, 31 May 2024 11:16:42 +0200
Subject: [PATCH] Update gilded-rose.ts

---
 TypeScript/app/gilded-rose.ts | 84 +++++++++++++++++++----------------
 1 file changed, 46 insertions(+), 38 deletions(-)

diff --git a/TypeScript/app/gilded-rose.ts b/TypeScript/app/gilded-rose.ts
index db58d678..81eeac9b 100644
--- a/TypeScript/app/gilded-rose.ts
+++ b/TypeScript/app/gilded-rose.ts
@@ -10,6 +10,13 @@ export class Item {
   }
 }
 
+enum ItemNames {
+  sulfuras = "Sulfuras, Hand of Ragnaros",
+  agedBrie = "Aged Brie",
+  backstagePasses = "Backstage passes to a TAFKAL80ETC concert",
+  conjuredManCake = "Conjured Mana Cake",
+}
+
 export class GildedRose {
   items: Array<Item>;
 
@@ -19,49 +26,50 @@ export class GildedRose {
 
   updateQuality() {
     for (let i = 0; i < this.items.length; i++) {
-      if (this.items[i].name != 'Aged Brie' && this.items[i].name != 'Backstage passes to a TAFKAL80ETC concert') {
-        if (this.items[i].quality > 0) {
-          if (this.items[i].name != 'Sulfuras, Hand of Ragnaros') {
-            this.items[i].quality = this.items[i].quality - 1
-          }
+      let item = this.items[i];
+
+      if (item.name == ItemNames.sulfuras) {
+        item.quality = 80;
+        continue;
+      }
+
+      // update sellIn logic
+      item.sellIn -= 1;
+
+      // update quality
+
+      if (item.name == ItemNames.conjuredManCake) {
+        item.quality -= 2;
+        if (item.sellIn < 0) {
+          item.quality -= 4;
+        }
+      } else if (item.name == ItemNames.agedBrie) {
+        item.quality += 1;
+      } else if (item.name == ItemNames.backstagePasses) {
+        if (item.sellIn > 10) {
+          item.quality += 1;
+        } else if (item.sellIn > 5 && item.sellIn <= 10) {
+          item.quality += 2;
+        } else if (item.sellIn >= 0 && item.sellIn <= 5) {
+          item.quality += 3;
+        } else if (item.sellIn < 0) {
+          item.quality = 0;
         }
       } else {
-        if (this.items[i].quality < 50) {
-          this.items[i].quality = this.items[i].quality + 1
-          if (this.items[i].name == 'Backstage passes to a TAFKAL80ETC concert') {
-            if (this.items[i].sellIn < 11) {
-              if (this.items[i].quality < 50) {
-                this.items[i].quality = this.items[i].quality + 1
-              }
-            }
-            if (this.items[i].sellIn < 6) {
-              if (this.items[i].quality < 50) {
-                this.items[i].quality = this.items[i].quality + 1
-              }
-            }
-          }
-        }
-      }
-      if (this.items[i].name != 'Sulfuras, Hand of Ragnaros') {
-        this.items[i].sellIn = this.items[i].sellIn - 1;
-      }
-      if (this.items[i].sellIn < 0) {
-        if (this.items[i].name != 'Aged Brie') {
-          if (this.items[i].name != 'Backstage passes to a TAFKAL80ETC concert') {
-            if (this.items[i].quality > 0) {
-              if (this.items[i].name != 'Sulfuras, Hand of Ragnaros') {
-                this.items[i].quality = this.items[i].quality - 1
-              }
-            }
-          } else {
-            this.items[i].quality = this.items[i].quality - this.items[i].quality
-          }
+        // if the sellIn date has passed
+        if (item.sellIn < 0) {
+          item.quality -= 2;
         } else {
-          if (this.items[i].quality < 50) {
-            this.items[i].quality = this.items[i].quality + 1
-          }
+          // if it is within the sellin date
+          item.quality -= 1;
         }
       }
+
+      // quality can never be negative
+      if (item.quality < 0) item.quality = 0;
+
+      // has a ceiling of 50
+      if (item.quality > 50) item.quality = 50;
     }
 
     return this.items;