From c15fb9df4d9f12eaa407f4076cdf6deff2a87a9e Mon Sep 17 00:00:00 2001
From: Max Rydahl Andersen <max@xam.dk>
Date: Thu, 26 Sep 2024 15:42:47 +0200
Subject: [PATCH] java version

---
 README.md  |   9 ++++-
 mkbsd.java | 104 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 112 insertions(+), 1 deletion(-)
 create mode 100644 mkbsd.java

diff --git a/README.md b/README.md
index 2d34182..7cd8e7a 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,7 @@ _Because selling out is bad_
 
 ## How to use
 
-MKBSD comes in two variants! Node.js and Python.
+MKBSD comes in two variants! Node.js, Python and Java.
 
 ### Running in Node.js
 
@@ -30,6 +30,13 @@ MKBSD comes in two variants! Node.js and Python.
 4. Wait a little.
 5. All wallpapers are now in a newly created `downloads` subfolder.
 
+### Running in Java w/JBang
+
+1. Ensure you have JBang installed. 
+2. Run `jbang mkbsd.java`
+3. Wait a little.
+4. All wallpapers are now in a newly created `downloads` subfolder.
+
 ## FAQ
 
 ### Q: What's the story behind this?
diff --git a/mkbsd.java b/mkbsd.java
new file mode 100644
index 0000000..d9cf7de
--- /dev/null
+++ b/mkbsd.java
@@ -0,0 +1,104 @@
+//DEPS com.fasterxml.jackson.core:jackson-databind:2.13.3
+//DEPS com.fasterxml.jackson.core:jackson-core:2.13.3
+//DEPS com.fasterxml.jackson.core:jackson-annotations:2.13.3
+
+import static java.lang.System.out;
+import static java.nio.file.Files.*;
+import static java.util.concurrent.TimeUnit.*;
+
+import java.io.IOException;
+import java.net.URI;
+import java.net.http.HttpClient;
+import java.net.http.HttpRequest;
+import java.net.http.HttpResponse;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.Map;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+public class mkbsd {
+
+    private static final String URL = "https://storage.googleapis.com/panels-api/data/20240916/media-1a-i-p~s";
+    private static final HttpClient client = HttpClient.newHttpClient();
+    private static final ObjectMapper mapper = new ObjectMapper();
+
+    public static void main(String[] args) throws Exception {
+        asciiArt();
+        SECONDS.sleep(5);
+        mainSync();
+    }
+
+    private static void mainSync() throws Exception {
+            var jsonData = fetchJson(URL);
+            var data = (Map<String, Object>) jsonData.get("data");
+            if (data == null) {
+                throw new RuntimeException("⛔ JSON does not have a 'data' property at its root.");
+            }
+
+            var downloadDir = Paths.get("downloads");
+            if (!exists(downloadDir)) {
+                createDirectory(downloadDir);
+                out.println("📁 Created directory: " + downloadDir.toAbsolutePath());
+            }
+
+            for (var entry : data.entrySet()) {
+                if (entry.getValue() instanceof Map && ((Map<?, ?>) entry.getValue()).get("dhd") != null) {
+                    var imageUrl = (String) ((Map<?, ?>) entry.getValue()).get("dhd");
+                    var parsedUrl = URI.create(imageUrl);
+                    out.println("🔍 Found image URL!");
+
+                    var filename = parsedUrl.getPath().substring(parsedUrl.getPath().lastIndexOf('/')+1);
+                    
+                    var filePath = downloadDir.resolve(filename);
+                    if(!filePath.toFile().exists()) {
+                    downloadImage(imageUrl, filePath);
+                    out.println("🖼️ Saved image to " + filePath);
+                    } else {
+                        out.println("Already saved " + filePath);
+                    }
+
+                    MILLISECONDS.sleep(250);
+                }
+            }
+    }
+
+    private static Map<String, Object> fetchJson(String url) throws Exception {
+        var request = HttpRequest.newBuilder()
+            .uri(URI.create(url))
+            .build();
+
+        var response = client.send(request, HttpResponse.BodyHandlers.ofString());
+        if (response.statusCode() != 200) {
+            throw new RuntimeException("⛔ Failed to fetch JSON file: " + response.statusCode());
+        }
+        return mapper.readValue(response.body(), Map.class);
+    }
+
+    private static void downloadImage(String imageUrl, Path filePath) throws Exception {
+        var request = HttpRequest.newBuilder()
+            .uri(URI.create(imageUrl))
+            .build();
+
+        var response = client.send(request, HttpResponse.BodyHandlers.ofByteArray());
+        if (response.statusCode() != 200) {
+            throw new RuntimeException("Failed to download image: " + response.statusCode());
+        }
+        Files.write(filePath, response.body());
+    }
+
+    private static void asciiArt() {
+        out.println("""
+ /$$      /$$ /$$   /$$ /$$$$$$$   /$$$$$$  /$$$$$$$
+| $$$    /$$$| $$  /$$/| $$__  $$ /$$__  $$| $$__  $$
+| $$$$  /$$$$| $$ /$$/ | $$  \\ $$| $$  \\__/| $$  \\ $$
+| $$ $$/$$ $$| $$$$$/  | $$$$$$$ |  $$$$$$ | $$  | $$
+| $$  $$$| $$| $$  $$  | $$__  $$ \\____  $$| $$  | $$
+| $$\\  $ | $$| $$\\  $$ | $$  \\ $$ /$$  \\ $$| $$  | $$
+| $$ \\/  | $$| $$ \\  $$| $$$$$$$/|  $$$$$$/| $$$$$$$/
+|__/     |__/|__/  \\__/|_______/  \\______/ |_______/""");
+        out.println("");
+        out.println("🤑 Starting downloads from your favorite sellout grifter's wallpaper app...");
+    }
+}
\ No newline at end of file