import gradio as gr

todos = []

def get_todos_data():
    data = []
    for i, todo in enumerate(todos):
        status = "✅ Done" if todo["done"] else "⬜ Pending"
        data.append([i, todo["task"], status, "❌ Delete"])
    return data

def add_task(task):
    if task and task.strip():
        todos.append({"task": task.strip(), "done": False})
    return get_todos_data(), ""

def handle_interaction(evt: gr.SelectData):
    if evt.index[1] == 2:
        index = evt.index[0]
        todos[index]["done"] = not todos[index]["done"]
    elif evt.index[1] == 3:
        index = evt.index[0]
        todos.pop(index)
    return get_todos_data()

with gr.Blocks(title="Todo App") as app:
    gr.Markdown("<h1>📝 Todo App</h1><p>Built with <a href='https://huggingface.co/spaces/akhaliq/anycoder' target='_blank'>anycoder</a></p>")
    
    with gr.Row():
        task_input = gr.Textbox(
            label="New Task", 
            placeholder="Enter a task and press Enter or click Add...", 
            scale=4
        )
        add_btn = gr.Button("Add Task", variant="primary", scale=1)

    todo_table = gr.DataFrame(
        headers=["ID", "Task", "Status (Click to Toggle)", "Action (Click to Delete)"],
        datatype=["number", "str", "str", "str"],
        value=get_todos_data,
        interactive=False,
        wrap=True
    )

    add_btn.click(add_task, inputs=[task_input], outputs=[todo_table, task_input])
    task_input.submit(add_task, inputs=[task_input], outputs=[todo_table, task_input])
    
    todo_table.select(handle_interaction, inputs=None, outputs=todo_table)

if __name__ == "__main__":
    app.launch()