import gradio as gr
import time
from datetime import datetime

tasks = []

def add_task(message, history):
    if not message:
        return "", history
    
    history = history or []
    current_time = datetime.now().strftime("%Y-%m-%d %H:%M")
    
    if message.startswith("/task"):
        task = message[6:].strip()
        tasks.append({
            "task": task,
            "created": current_time,
            "status": "pending"
        })
        response = f"✅ Task added: {task}\nCreated at: {current_time}"
    elif message == "/list":
        if not tasks:
            response = "No tasks found."
        else:
            response = "📋 Tasks:\n" + "\n".join([
                f"{i+1}. {task['task']} ({task['status']}) - {task['created']}"
                for i, task in enumerate(tasks)
            ])
    else:
        response = "Commands:\n/task [description] - Add new task\n/list - View all tasks"
    
    history.append((message, response))
    return "", history

with gr.Blocks() as demo:
    gr.Markdown("# 📝 TaskMate")
    gr.Markdown("### Task Management Made Simple")
    
    chatbot = gr.Chatbot(height=400)
    msg = gr.Textbox(
        placeholder="Type /task [description] to add a task, or /list to view tasks",
        label="Input"
    )
    
    msg.submit(add_task, [msg, chatbot], [msg, chatbot])

demo.launch()