# gcode_utils.py

def generate_gcode(step_file_path):
    """
    Generate G-code for CNC machining from the STEP file.
    This function can be implemented using a G-code generator or CAM software.
    """
    # Mock G-code generation (You can use a library like PyCAM or another CNC tool for actual implementation)
    gcode_file_path = step_file_path.replace(".step", ".gcode")

    gcode_content = """
    G21 ; Set units to mm
    G90 ; Absolute positioning
    M3 ; Start spindle
    G1 X0 Y0 Z0 ; Move to start position
    G1 X50 Y50 Z0 ; Move to new position
    M5 ; Stop spindle
    M30 ; End program
    """

    with open(gcode_file_path, "w") as f:
        f.write(gcode_content)

    return gcode_file_path