Update app.py

app.py

@@ -1,14 +1,9 @@
 import gradio as gr
 import requests
 
-API_URL = "https://openrouter.ai/api/v1/chat/completions"
-HEADERS = {
-    "Authorization": "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",  # Optional if using Maverick Free model
-    "Content-Type": "application/json"
-}
-
 def generate_cover_letter(resume, job_desc):
-    prompt = f"""You are an expert career coach. Write a personalized cover letter for the following resume and job description.
+    prompt = f"""
+You are a career coach. Write a tailored, ATS-optimized, professional cover letter based on the resume and job description below.
 
 Resume:
 {resume}
@@ -16,21 +11,34 @@ Resume:
 Job Description:
 {job_desc}
 
-The letter should be professional, concise, and ATS-friendly.
+The letter should be concise, engaging, and show why the candidate is a good fit.
 """
-    data = {
-        "model": "meta-llama/llama-4-maverick:free",
-        "messages": [{"role": "user", "content": prompt}],
-    }
 
-    response = requests.post(API_URL, headers=HEADERS, json=data)
-    result = response.json()
-    return result['choices'][0]['message']['content']
+    # Send request to DeepSeek via PiAPI
+    response = requests.post(
+        "https://piapi.ai/api/deepseek",
+        headers={"Content-Type": "application/json"},
+        json={
+            "prompt": prompt,
+            "system": "You are a helpful assistant.",
+            "temperature": 0.8
+        }
+    )
+
+    try:
+        data = response.json()
+        return data.get("response", "⚠️ No response received from DeepSeek.")
+    except Exception as e:
+        return f"❌ Error: {str(e)}"
 
+# Gradio UI
 gr.Interface(
     fn=generate_cover_letter,
-    inputs=["textarea", "textarea"],
-    outputs="textbox",
-    title="AI Cover Letter Generator (MVP)",
-    description="Paste your resume and job description to generate a tailored cover letter."
+    inputs=[
+        gr.Textbox(label="Paste Your Resume", lines=12, placeholder="Paste your resume here..."),
+        gr.Textbox(label="Paste Job Description", lines=10, placeholder="Paste the job description here...")
+    ],
+    outputs=gr.Textbox(label="Generated Cover Letter"),
+    title="AI Cover Letter Generator (DeepSeek LLM)",
+    description="Paste your resume and job description. Click 'Submit' to generate a personalized, professional cover letter using DeepSeek via PiAPI (no key needed)."
 ).launch()