From 876a537354c2c88798c3ff28bdcab733eecddcb1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tom=C3=A1=C5=A1=20Hosa?= <toho@minimail.cz>
Date: Sat, 19 Sep 2026 22:00:28 +0000
Subject: [PATCH] =?UTF-8?q?Nahr=C3=A1t=20soubory=20do=20=E2=80=9E/?=
 =?UTF-8?q?=E2=80=9C?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 content.js    | 45 +++++++++++++++++++++++++++++++++++++++++++++
 manifest.json | 20 ++++++++++++++++++++
 2 files changed, 65 insertions(+)
 create mode 100644 content.js
 create mode 100644 manifest.json

diff --git a/content.js b/content.js
new file mode 100644
index 0000000..5475b3f
--- /dev/null
+++ b/content.js
@@ -0,0 +1,45 @@
+const TARGET_URL = "http://localhost:8080/endpoint";
+let lastSentSong = "";
+
+function extractAndSendSong() {
+  // Najdeme widget "Now Playing" v levém dolním rohu Spotify
+  const trackInfo = document.querySelector('[data-testid="now-playing-widget"]');
+  
+  if (trackInfo) {
+    const links = trackInfo.querySelectorAll('a');
+    const songTitle = links[0] ? links[0].innerText : null;
+    const artistName = links[1] ? links[1].innerText : "Unknown Artist";
+    
+    if (songTitle) {
+      const currentTrackString = `${artistName} - ${songTitle}`;
+
+      // Odesíláme pouze pokud se písnička změnila, abychom zbytečně nezatěžovali server
+      if (currentTrackString !== lastSentSong) {
+        lastSentSong = currentTrackString;
+        
+        console.log("Odesílám skladbu:", currentTrackString);
+
+        fetch(TARGET_URL, {
+          method: "POST",
+          headers: {
+            "Content-Type": "application/json"
+          },
+          body: JSON.stringify({
+            artist: artistName,
+            title: songTitle,
+            timestamp: new Date().toISOString()
+          })
+        }).catch(err => {
+          console.error("Chyba při odesílání:", err);
+        });
+      }
+    }
+  }
+}
+
+// Sledujeme změny na stránce, protože Spotify funguje jako Single Page Application
+const observer = new MutationObserver(() => {
+  extractAndSendSong();
+});
+
+observer.observe(document.body, { childList: true, subtree: true });
\ No newline at end of file
diff --git a/manifest.json b/manifest.json
new file mode 100644
index 0000000..3a32f0b
--- /dev/null
+++ b/manifest.json
@@ -0,0 +1,20 @@
+{
+  "manifest_version": 3,
+  "name": "Spotify IP Sender",
+  "version": "1.0",
+  "permissions": [
+    "activeTab",
+    "storage"
+  ],
+  "host_permissions": [
+    "https://open.spotify.com/*",
+    "http://*/*",
+    "https://*/*"
+  ],
+  "content_scripts": [
+    {
+      "matches": ["https://open.spotify.com/*"],
+      "js": ["content.js"]
+    }
+  ]
+}
\ No newline at end of file