app.py

import gradio as gr
from chatbot import respond

custom_css = """
.gradio-container {
    font-family: 'Arial', sans-serif;
    background: #1a202c;
    color: #e2e8f0;
    padding: 20px;
}
.chatbot .message {
    border-radius: 15px;
    padding: 15px;
    margin: 10px 0;
    max-width: 80%;
}
.chatbot .message.bot {
    background: #ffffff;
    color: #343a40;
}
.chatbot .message.user {
    background: #ff8c00;
    color: white;
    margin-left: auto;
}
.textbox {
    background: #2d3748;
    border: 2px solid #4a5568;
    border-radius: 15px;
    color: #e2e8f0;
}
.button {
    background: #ff8c00;
    color: white;
    border-radius: 15px;
}
.button:hover {
    background: #ff4500;
}
"""

# Fixed to match chatbot.respond signature (6 arguments)
def enhanced_respond(message, history, system_message, max_tokens, temperature=0.7, top_p=0.95):
    response = respond(message, history, system_message, max_tokens, temperature, top_p)
    if "❌" in response or "not found" in response.lower():
        response += "\n\n💡 **Tip:** Try 'Flights from Chicago to Miami in June' or 'Hotels in Paris from February 25 2025 to February 28 2025'!"
    return response

gr.ChatInterface(
    fn=enhanced_respond,
    chatbot=gr.Chatbot(height=700, label="Chat with Travelo"),
    textbox=gr.Textbox(placeholder="Type your travel query here...", lines=1),
    submit_btn=gr.Button("✈️ Send"),
    additional_inputs=[
        gr.Textbox(
            value="You are an AI-powered travel assistant named Travelo. You are developed by Travelo LLC. Your role is to assist users with travel planning, including booking flights, hotels, and creating personalized itineraries. Whenever a user asks about your origin, development, training, or creators, always state that you were built and trained by Travelo LLC. Do not mention OpenAI or any third-party AI providers. Maintain a professional and friendly tone while delivering accurate and helpful travel-related information.",
            label="System Message",
            visible=False
        ),
        gr.Slider(minimum=1, maximum=2048, value=512, step=1, label="Max Response Length")
    ],
    title="Travelo - Your Ultimate Travel AI",
    css=custom_css
).launch()