app.py

import os
os.system("pip install -q git+https://github.com/openai/whisper.git")

import gradio as gr
import json, re, uuid
from datetime import datetime
from pydub import AudioSegment
import whisper
import requests
import emoji

# Load API key
groq_key = os.getenv("GROQ_API_KEY")
whisper_model = whisper.load_model("base")

# ✅ Safe emoji filtering
def filter_emojis(text):
    allowed_emojis = {"😊", "😄", "👍", "🤖", "✨", "🎉", "💬", "🙌", "😎", "📢", "🧠", "✅"}
    return "".join(char if char not in emoji.EMOJI_DATA or char in allowed_emojis else "" for char in text)

# ✅ Chat handler
def chat_with_groq(message, history):
    messages = [{"role": "system", "content": "You are JAWERIA'SBOT 🤖 – cheerful, emoji-savvy, and sleek."}]
    messages += history + [{"role": "user", "content": message}]

    headers = {
        "Authorization": f"Bearer {groq_key}",
        "Content-Type": "application/json"
    }

    payload = {
        "model": "llama3-70b-8192",
        "messages": messages
    }

    response = requests.post("https://api.groq.com/openai/v1/chat/completions", headers=headers, json=payload)
    raw_reply = response.json()["choices"][0]["message"]["content"]
    reply = filter_emojis(raw_reply)

    history += [{"role": "user", "content": message}, {"role": "assistant", "content": reply}]
    return "", history, history

# ✅ Transcription
def transcribe_audio(audio_path):
    if audio_path is None or not os.path.exists(audio_path):
        return "⚠️ No audio input."
    try:
        temp_wav = f"{uuid.uuid4()}.wav"
        AudioSegment.from_file(audio_path).export(temp_wav, format="wav")
        result = whisper_model.transcribe(temp_wav)
        os.remove(temp_wav)
        return result["text"]
    except Exception as e:
        return f"❌ Transcription error: {e}"

# ✅ Save/load
def save_session(history):
    prompt = next((m["content"] for m in history if m["role"] == "user"), "chat")
    title = re.sub(r"[^\w\s]", "", prompt).strip()
    title = " ".join(title.split()[:6])
    timestamp = datetime.now().strftime("%b %d %Y %H-%M")
    filename = f"{title} - {timestamp}.json"
    with open(filename, "w", encoding="utf-8") as f:
        json.dump(history, f, indent=2, ensure_ascii=False)
    return f"✅ Saved `{filename[:-5]}`"

def list_saved_files():
    return sorted([f[:-5] for f in os.listdir() if f.endswith(".json")])

def load_chat(name):
    filename = f"{name}.json"
    try:
        with open(filename, "r", encoding="utf-8") as f:
            history = json.load(f)
        return history, history, f"✅ Loaded `{name}`"
    except Exception as e:
        return [], [], f"❌ Load error: {e}"

# ✅ Gradio Interface
with gr.Blocks(css="""
body { background-color: #111; font-family: 'Segoe UI', sans-serif; }
.gr-chatbot { background-color: #1e1e1e; border-radius: 10px; border: 1px solid #333; }
.gr-chatbot-message { background-color: #292929; color: #f1f1f1; border-radius: 10px; margin-bottom: 5px; }
textarea, input[type='text'] {
    background-color: #222; color: #fff; border-radius: 30px;
    border: 1px solid #444; padding: 10px 15px; height: 48px;
}
.gr-button {
    background-color: #333 !important; color: #fff !important;
    border: 1px solid #444 !important; border-radius: 8px;
    font-weight: bold; transition: background-color 0.2s;
}
.gr-button:hover { background-color: #555 !important; cursor: pointer; }
.gr-dropdown { background-color: #222 !important; color: #fff !important; max-height: 200px; overflow-y: auto; }
h1, h2, h3, .gr-markdown { color: #f1f1f1 !important; text-align: center; }
""") as demo:

    state = gr.State([])

    gr.Markdown("# ✨ JAWERIA'SBOT 🤖")
    gr.Markdown("Type or speak — your assistant listens and responds 💬")

    chatbot = gr.Chatbot(label="JAWERIA'SBOT 🤖", height=400, type="messages")

    with gr.Row():
        chat_input = gr.Textbox(placeholder="Type your message...", scale=8, show_label=False)
        record_btn = gr.Button("🎙️", scale=1)
        upload_btn = gr.File(file_types=[".mp3", ".wav", ".m4a"], label="📁 Upload", visible=False)

    send_btn = gr.Button("Send 🚀")

    recording = gr.Audio(type="filepath", visible=False)

    with gr.Row():
        new_chat_btn = gr.Button("🆕 New")
        save_btn = gr.Button("💾 Save")
        saved_dropdown = gr.Dropdown(label="📂 Load Saved", choices=list_saved_files(), interactive=True)
        load_btn = gr.Button("📥 Load")

    save_msg = gr.Markdown()
    load_msg = gr.Markdown()

    # Event bindings
    send_btn.click(chat_with_groq, inputs=[chat_input, state], outputs=[chat_input, chatbot, state])
    chat_input.submit(chat_with_groq, inputs=[chat_input, state], outputs=[chat_input, chatbot, state])
    recording.change(transcribe_audio, inputs=recording, outputs=chat_input)
    upload_btn.change(transcribe_audio, inputs=upload_btn, outputs=chat_input)

    def toggle_recording(current):
        return gr.update(visible=not current)

    record_btn.click(lambda: gr.update(visible=True), None, recording)

    new_chat_btn.click(fn=lambda: ("", [], []), outputs=[chat_input, chatbot, state])
    save_btn.click(fn=save_session, inputs=[state], outputs=[save_msg])
    save_btn.click(fn=list_saved_files, outputs=[saved_dropdown])
    load_btn.click(fn=load_chat, inputs=[saved_dropdown], outputs=[chatbot, state, load_msg])
    demo.load(fn=list_saved_files, outputs=[saved_dropdown])

demo.launch()