import os
import tempfile
import shutil
import zipfile

def deploy_callback(idea: str):
    """
    Generates a minimal robot app based on the user's idea, packages it
    into a ZIP in the system temp directory, and returns a status message
    along with the path to the ZIP file.
    """
    try:
        # Sanitize and build a unique directory name
        title = idea.strip().lower().replace(" ", "_") or "app"
        base_dir = os.path.join(tempfile.gettempdir(), f"robosage_{title}")

        # Clean out any old generation
        shutil.rmtree(base_dir, ignore_errors=True)
        os.makedirs(base_dir, exist_ok=True)

        # 1) Create main.py with a simple on_command stub
        main_py = os.path.join(base_dir, "main.py")
        with open(main_py, "w") as f:
            f.write(f"""def on_command(cmd):
    cmd_lower = cmd.strip().lower()
    if "hello" in cmd_lower:
        return "🤖 Hello there!"
    else:
        return f"🤔 I don't understand: '{{cmd}}'"
""")

        # 2) Create a README
        readme = os.path.join(base_dir, "README.md")
        with open(readme, "w") as f:
            f.write(f"# RoboSage App\nGenerated for idea: {idea}\n\nRun `main.on_command(...)` to simulate.")

        # 3) Zip the directory
        zip_name = f"robosage_{title}.zip"
        zip_path = os.path.join(tempfile.gettempdir(), zip_name)
        with zipfile.ZipFile(zip_path, "w", zipfile.ZIP_DEFLATED) as zf:
            for root, _, files in os.walk(base_dir):
                for fname in files:
                    fullpath = os.path.join(root, fname)
                    arcname = os.path.relpath(fullpath, base_dir)
                    zf.write(fullpath, arcname)

        return f"✅ Generated app: {idea}", zip_path

    except Exception as e:
        return f"❌ Error: {e}", None


def robot_behavior(cmd: str) -> str:
    """
    Simulate a robot response. You can swap this out for your
    core_creator or simulator_interface logic if desired.
    """
    # Very basic echo-like behavior
    lower = cmd.strip().lower()
    if "hello" in lower:
        return "🤖 *waves* Hello there!"
    elif lower:
        return f"🤔 I don't know how to '{cmd}'."
    else:
        return "❓ Please say something."


# Optional entrypoint if you want to import a launcher function
def launch_gradio_app():
    from app import main
    main()