From e2ee4dd30ecf579708cab435a8468157eb15fcb7 Mon Sep 17 00:00:00 2001
From: Valentijn van der Jagt <1119935@hr.nl>
Date: Sat, 22 Nov 2025 15:00:09 +0100
Subject: [PATCH] it all seems to work somewhat well

---
 pom.xml                                       |  5 ++
 .../appie_scraper/BonusItem.java              | 27 +++++-
 .../appie_scraper/BonusManager.java           | 86 +++++++++++++++++++
 .../nl/herpiederpiee/appie_scraper/Main.java  | 44 +++-------
 .../nl/herpiederpiee/appie_scraper/Pair.java  | 17 ++++
 5 files changed, 148 insertions(+), 31 deletions(-)
 create mode 100644 src/main/java/nl/herpiederpiee/appie_scraper/BonusManager.java
 create mode 100644 src/main/java/nl/herpiederpiee/appie_scraper/Pair.java

diff --git a/pom.xml b/pom.xml
index c3b03be..7101d15 100644
--- a/pom.xml
+++ b/pom.xml
@@ -22,6 +22,11 @@
         <artifactId>json</artifactId>
         <version>20250517</version>
     </dependency>
+    <dependency>
+        <groupId>xyz.nextn</groupId>
+        <artifactId>simple-levenshtein-distance</artifactId>
+        <version>1.0.0</version>
+    </dependency>
 </dependencies>
 <build>
     <plugins>
diff --git a/src/main/java/nl/herpiederpiee/appie_scraper/BonusItem.java b/src/main/java/nl/herpiederpiee/appie_scraper/BonusItem.java
index 1f142b3..4fbc400 100644
--- a/src/main/java/nl/herpiederpiee/appie_scraper/BonusItem.java
+++ b/src/main/java/nl/herpiederpiee/appie_scraper/BonusItem.java
@@ -4,12 +4,24 @@ import com.microsoft.playwright.ElementHandle;
 
 public class BonusItem {
     String title;
+    String description = "";
     String bonusText;
     String category;
     String imageURL;
 
+    String moreInfoURL;
+
+    float originalPrice = 0.0f;
+    float bonusPrice = 0.0f;
+
     BonusItem(ElementHandle element) {
         this.title = element.getAttribute("title");
+        this.moreInfoURL = "https://www.ah.nl"+element.getAttribute("href");
+
+        ElementHandle descriptionElement = element.querySelector("[data-testhook=\"card-description\"]");
+        if (descriptionElement != null) {
+            this.description = descriptionElement.innerText();
+        }
 
         ElementHandle bonusElement = element.querySelector(".promotion-label-base_textContainer__DFx6D");
         this.bonusText = bonusElement.innerHTML().replaceAll("<[^>]*>", " ");
@@ -17,7 +29,20 @@ public class BonusItem {
         ElementHandle categoryContainer = element.evaluateHandle("el => el.closest('section')").asElement();
         this.category = categoryContainer.getAttribute("id");
 
-
         this.imageURL = element.querySelector(".promotion-card-image_img__Ca5n8").getAttribute("data-src");
+
+        ElementHandle priceContainer = element.querySelector("[data-testhook=\"price\"]");
+        if (priceContainer != null) {
+            float priceInteger = Float.parseFloat(priceContainer.querySelector(".promotion-price_integer__Tq2rf").innerText());
+
+            int priceDecimalsTemp = Integer.parseInt(priceContainer.querySelector(".promotion-price_fractional__U-irD").innerText());
+            float priceDecimals = (float) priceDecimalsTemp / 100;
+
+            this.bonusPrice = priceInteger + priceDecimals;
+            ElementHandle originalPriceElement = priceContainer.querySelector(".promotion-price_was__jhW9R");
+            if (originalPriceElement != null) { // those annoying "Christmas only items" are so annoying
+                this.originalPrice = Float.parseFloat(originalPriceElement.innerText());
+            }
+        }
     }
 }
diff --git a/src/main/java/nl/herpiederpiee/appie_scraper/BonusManager.java b/src/main/java/nl/herpiederpiee/appie_scraper/BonusManager.java
new file mode 100644
index 0000000..af0a38b
--- /dev/null
+++ b/src/main/java/nl/herpiederpiee/appie_scraper/BonusManager.java
@@ -0,0 +1,86 @@
+package nl.herpiederpiee.appie_scraper;
+
+import com.microsoft.playwright.*;
+import xyz.nextn.levenshteindistance.LevenshteinDistance;
+
+import java.util.ArrayList;
+import java.util.Comparator;
+import java.util.concurrent.TimeUnit;
+
+public class BonusManager {
+    ArrayList<BonusItem> bonusItems = new ArrayList<BonusItem>();;
+
+    public void updateBonusItems(){
+        try (Playwright playwright = Playwright.create()) {
+
+            Browser browser = playwright.chromium().launch(new BrowserType.LaunchOptions().setHeadless(false));
+
+            BrowserContext context = browser.newContext();
+            Page bonusPagina = context.newPage();
+
+
+            bonusPagina.navigate("https://www.ah.nl/bonus");
+            TimeUnit.SECONDS.sleep(5); // wait for page to actaully fully load
+
+            Locator bonusElements = bonusPagina.locator(".promotion-card_root__tQA3z");
+            for (ElementHandle bonusElement : bonusElements.elementHandles()){
+                BonusItem bonusItem = new BonusItem(bonusElement);
+
+                // exclude annoying elements
+                if (bonusItem.category.equals( "onlineOnly")) continue;
+                if (bonusItem.category.equals( "gall")) continue;
+                if (bonusItem.category.equals( "gall-card")) continue;
+                if (bonusItem.category.equals( "etos")) continue;
+
+                this.bonusItems.add(bonusItem);
+            }
+
+        } catch (InterruptedException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    public ArrayList<BonusItem> getBonusItems(String name){
+        ArrayList<Pair<BonusItem, Integer>> list = new ArrayList<>();
+
+        for (BonusItem bonusItem : bonusItems) {
+            Integer score = fuzzyMatchScore(name, bonusItem.title);
+            list.add(Pair.pair(bonusItem, score));
+        }
+        list.sort((a, b) -> Integer.compare(b.second, a.second));
+
+        ArrayList<BonusItem> top10 = new ArrayList<>();
+        int i = 0;
+        while (top10.size() < 10) {
+            top10.add(list.get(i).first);
+            i++;
+        }
+
+        return top10;
+    }
+
+    public int fuzzyMatchScore(String query, String title) {
+        query = query.toLowerCase();
+        title = title.toLowerCase();
+
+        if (title.contains(query)) {
+            return 100; // perfect match
+        }
+
+        int best = Integer.MAX_VALUE;
+
+        int qlen = query.length();
+        int tlen = title.length();
+
+        for (int i = 0; i <= tlen - qlen; i++) {
+            String sub = title.substring(i, i + qlen);
+            int dist = LevenshteinDistance.calculate(query, sub);
+            if (dist < best) best = dist;
+        }
+
+        // Convert distance to similarity percentage
+        int score = (int)(100.0 * (1.0 - (best / (double) qlen)));
+
+        return Math.max(0, Math.min(100, score));
+    }
+}
diff --git a/src/main/java/nl/herpiederpiee/appie_scraper/Main.java b/src/main/java/nl/herpiederpiee/appie_scraper/Main.java
index dc733f9..b659fdc 100644
--- a/src/main/java/nl/herpiederpiee/appie_scraper/Main.java
+++ b/src/main/java/nl/herpiederpiee/appie_scraper/Main.java
@@ -1,46 +1,30 @@
 package nl.herpiederpiee.appie_scraper;
-import com.microsoft.playwright.*;
-import com.microsoft.playwright.options.WaitUntilState;
-import org.json.*;
 
+import com.microsoft.playwright.*;
+import org.json.*;
 import java.util.ArrayList;
-import java.util.Random;
-import java.util.concurrent.TimeUnit;
+import java.util.Scanner;
 
 public class Main {
 
 
     public static void main(String[] args) {
-        try (Playwright playwright = Playwright.create()) {
+        BonusManager bonusManager = new BonusManager();
+        bonusManager.updateBonusItems();
 
-            Browser browser = playwright.chromium().launch(new BrowserType.LaunchOptions().setHeadless(false));
-
-            BrowserContext context = browser.newContext();
-            Page bonusPagina = context.newPage();
+        Scanner input = new Scanner(System.in);
 
 
-            bonusPagina.navigate("https://www.ah.nl/bonus");
-            System.out.println("Dom Content Loaded!");
 
-            TimeUnit.SECONDS.sleep(5);
-            ArrayList<BonusItem> bonusItems = new ArrayList<BonusItem>();
-            int counter = 0;
-            Locator bonusElements = bonusPagina.locator(".promotion-card_root__tQA3z");
-            for (ElementHandle bonusElement : bonusElements.elementHandles()){
-                BonusItem bonusItem = new BonusItem(bonusElement);
-                bonusItems.add(bonusItem);
-                counter++;
+        while (true) {
+            System.out.println("\n\nWhat item would you like to look for?");
+            String userInput = input.nextLine();
+            if (userInput.equals("qqq")) break;
+            ArrayList<BonusItem> userResults = bonusManager.getBonusItems(userInput);
+
+            for (BonusItem bonusItem : userResults) {
+                System.out.println(bonusItem.title + " => " + bonusItem.bonusText);
             }
-            System.out.println("Amount of items: " + counter);
-            // get random item from array
-            Random random = new Random();
-            BonusItem chosenItem =  bonusItems.get(random.nextInt(bonusItems.size()));
-            System.out.println("Random Item:\n"+chosenItem.title+" => "+chosenItem.bonusText + " ("+chosenItem.category+")\nImage URL:"+chosenItem.imageURL);
-
-
-
-        } catch (InterruptedException e) {
-            throw new RuntimeException(e);
         }
     }
 }
diff --git a/src/main/java/nl/herpiederpiee/appie_scraper/Pair.java b/src/main/java/nl/herpiederpiee/appie_scraper/Pair.java
new file mode 100644
index 0000000..c3b17a3
--- /dev/null
+++ b/src/main/java/nl/herpiederpiee/appie_scraper/Pair.java
@@ -0,0 +1,17 @@
+package nl.herpiederpiee.appie_scraper;
+
+/* generated by chatGPT, since i couldnt find a proper library that works how i want */
+public class Pair<F, S> {
+
+    public F first;
+    public S second;
+
+    public Pair(F first, S second) {
+        this.first = first;
+        this.second = second;
+    }
+
+    public static <F, S> Pair<F, S> pair(F first, S second) {
+        return new Pair<>(first, second);
+    }
+}
\ No newline at end of file