diff --git a/src/main.ts b/src/main.ts
index 75f4402..44d3f76 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -182,43 +182,30 @@ async function createReviewComment(
 }
 
 async function main() {
-  if (!OPENAI_API_KEY || OPENAI_API_KEY.trim() === "") {
-    console.error("❌ OPENAI_API_KEY is missing or empty!");
-  } else {
-    console.log("✅ OPENAI_API_KEY is set.");
-  }
-  console.log(
   const prDetails = await getPRDetails();
-  let diff: string | null;
-  const eventData = JSON.parse(
-    readFileSync(process.env.GITHUB_EVENT_PATH ?? "", "utf8")
-  );
 
-  if (eventData.action === "opened") {
-    diff = await getDiff(
-      prDetails.owner,
-      prDetails.repo,
-      prDetails.pull_number
-    );
-  } else if (eventData.action === "synchronize") {
-    const newBaseSha = eventData.before;
-    const newHeadSha = eventData.after;
-  
-    const response = await octokit.repos.compareCommits({
-      headers: {
-        accept: "application/vnd.github.v3.diff",
-      },
-      owner: prDetails.owner,
-      repo: prDetails.repo,
-      base: newBaseSha,
-      head: newHeadSha,
-    });
-  
-    diff = String(response.data);
-  } else {
-    console.log("Unsupported event:", process.env.GITHUB_EVENT_NAME);
-    return;
-  }
+  // pobierz szczegóły PR (base i head sha)
+  const prResponse = await octokit.pulls.get({
+    owner: prDetails.owner,
+    repo: prDetails.repo,
+    pull_number: prDetails.pull_number,
+  });
+
+  const baseSha = prResponse.data.base.sha;
+  const headSha = prResponse.data.head.sha;
+
+  // pobierz diff całego PR
+  const response = await octokit.repos.compareCommits({
+    headers: {
+      accept: "application/vnd.github.v3.diff",
+    },
+    owner: prDetails.owner,
+    repo: prDetails.repo,
+    base: baseSha,
+    head: headSha,
+  });
+
+  const diff = String(response.data);
 
   if (!diff) {
     console.log("No diff found");
@@ -239,6 +226,7 @@ async function main() {
   });
 
   const comments = await analyzeCode(filteredDiff, prDetails);
+
   if (comments.length > 0) {
     await createReviewComment(
       prDetails.owner,