app.py

# yellowflash_with_perplexity.py
# TEST ONLY: hardcoded keys included (do NOT publish)

import time, traceback, requests
import gradio as gr

# ---------------------------
# HARDCODED KEYS (TESTING)
# ---------------------------
GEMINI_KEY = "AIzaSyAPfDiu2V_aD6un00qHt5bkISm6C0Pkx7o"
GEMINI_URL = "https://generativelanguage.googleapis.com/v1beta/models/gemini-2.0-flash:generateContent"

GROQ_KEY = "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"
GROQ_URL = "https://api.groq.com/openai/v1/chat/completions"
GROQ_MODEL = "meta-llama/llama-4-scout-17b-16e-instruct"

# ---------------------------
# Helpers
# ---------------------------
def post_with_retries(url, headers, payload, timeout=18, max_retries=2):
    for i in range(max_retries):
        try:
            r = requests.post(url, headers=headers, json=payload, timeout=timeout)
            r.raise_for_status()
            return r
        except Exception as e:
            if i == max_retries - 1:
                raise
            time.sleep(0.5 + i)
    raise Exception("Max retries exceeded")

# ---------------------------
# Model callers
# ---------------------------
def call_gemini(api_key, message, history):
    headers = {"Content-Type": "application/json", "x-goog-api-key": api_key}
    contents = []
    for u, m in history:
        contents.append({"role":"user","parts":[{"text":u}]})
        contents.append({"role":"model","parts":[{"text":m}]})
    contents.append({"role":"user","parts":[{"text":message}]})
    payload = {"contents": contents}
    r = post_with_retries(GEMINI_URL, headers, payload)
    data = r.json()
    return data.get("candidates",[{}])[0].get("content",{}).get("parts",[{}])[0].get("text","")

def call_llama_via_groq(api_key, model, message, history):
    headers = {"Authorization": f"Bearer {api_key}", "Content-Type": "application/json"}
    msgs = []
    for u, m in history:
        msgs.append({"role":"user","content":u})
        msgs.append({"role":"assistant","content":m})
    msgs.append({"role":"user","content":message})
    payload = {"model": model, "messages": msgs}
    r = post_with_retries(GROQ_URL, headers, payload)
    data = r.json()
    if "choices" in data and data["choices"]:
        ch = data["choices"][0]
        if isinstance(ch.get("message"), dict):
            return ch["message"].get("content","")
        return ch.get("text","")
    return str(data)

# ---------------------------
# Chat function
# ---------------------------
def chat_fn(message, history, model_choice):
    try:
        if model_choice == "Google Gemini 2.0 Flash":
            return call_gemini(GEMINI_KEY, message, history)
        elif model_choice == "Meta LLaMA 4":
            return call_llama_via_groq(GROQ_KEY, GROQ_MODEL, message, history)
        else:
            return f"Unknown model: {model_choice}"
    except Exception as e:
        return f"Error: {e}\n{traceback.format_exc()}"

# ---------------------------
# Dark Mode CSS (your original)
# ---------------------------
css = """
/* topbar layout */
#topbar { display:flex; justify-content:space-between; align-items:center;
          padding:18px 28px; background:#0f0f0f; border-bottom:1px solid #1f1f1f; }
#title { font-weight:800; color:#ffcc33; font-size:20px; }

/* compact, flat dropdown look */
#model_dropdown .gr-dropdown { background:#1a1a1a !important; border:1px solid #2b2b2b !important;
    color:#ddd !important; padding:10px 12px !important; border-radius:8px !important; 
    width:260px !important; box-shadow:none !important; }

/* make ChatInterface chat area taller */
.gradio-container .chat-interface .chatbot { min-height: calc(100vh - 220px); background:#111; color:#eee; }

/* style send button */
.gr-button { border-radius:10px !important; background:#2c2c3f !important; color:#fff !important; }
"""

# ---------------------------
# Build UI
# ---------------------------
with gr.Blocks(css=css, title="⚡ YellowFlash.ai") as app:
    with gr.Row(elem_id="topbar"):
        model_dropdown = gr.Dropdown(
            choices=["Google Gemini 2.0 Flash", "Meta LLaMA 4"],
            value="Google Gemini 2.0 Flash",
            show_label=False,
            elem_id="model_dropdown"
        )
    

    gr.ChatInterface(
        fn=chat_fn,
        title="⚡ YellowFlash.ai",
        description="under development",
        additional_inputs=[model_dropdown],
    )

app.launch(share=True)