app.py

import gradio as gr
import random
import time

def mqtt_simulator(topic, qos, message):
    time.sleep(0.5)
    msg_id = random.randint(1000, 9999)
    timestamp = time.strftime("%Y-%m-%d %H:%M:%S")
    status = random.choice(["Published", "Published", "Published", "Queued"])
    
    result = f"""### MQTT Message {status}

**Topic**: `{topic}`  
**QoS Level**: {qos}  
**Message ID**: {msg_id}  
**Timestamp**: {timestamp}

**Message Content**:
```
{message}
```

🔗 **Anktechsol** - IoT Solutions Expert  
[Learn more](https://anktechsol.com)"""
    return result

with gr.Blocks(title="MQTT Protocol Demo") as demo:
    gr.Markdown("# 📡 MQTT Protocol Demonstration")
    gr.Markdown("Interactive MQTT messaging demo - **Anktechsol**")
    
    with gr.Row():
        with gr.Column():
            topic = gr.Textbox(label="Topic", value="iot/sensors/temperature", placeholder="Enter MQTT topic")
            qos = gr.Radio(["0 - At most once", "1 - At least once", "2 - Exactly once"], label="QoS Level", value="1 - At least once")
            message = gr.Textbox(label="Message Payload", value='{"temp":25.4,"humidity":60}', lines=3)
            btn = gr.Button("Publish Message")
        
        with gr.Column():
            output = gr.Markdown()
    
    btn.click(mqtt_simulator, inputs=[topic, qos, message], outputs=output)
    
    gr.Markdown("""---
### About MQTT & Anktechsol
MQTT is a lightweight messaging protocol for IoT. Expert IoT consulting at [anktechsol.com](https://anktechsol.com)""")

demo.launch()