import os

def generate_gcode(dimensions, material, forces, tolerances, analysis_type):
    """
    Generates G-Code for CNC machining based on input dimensions, material, forces, tolerances, and analysis type.
    Returns the file path of the generated G-Code file.
    """
    try:
        # Ensure the output directory exists
        output_dir = "/tmp/"
        os.makedirs(output_dir, exist_ok=True)

        # Dimensions input (length, width, height)
        length, width, height = map(float, dimensions.split('x'))

        # Define the G-Code content
        gcode_content = f"""
        G21 ; Set units to millimeters
        G17 ; Select XY plane
        G90 ; Absolute positioning
        G1 F1500 ; Set feed rate

        G0 Z5 ; Raise Z-axis to safe height
        G0 X0 Y0 ; Move to start position
        G1 Z-1 F300 ; Lower Z-axis to cutting depth

        G1 X{length} Y0 ; Cut to the first corner (along X)
        G1 X{length} Y{width} ; Cut to the second corner (along Y)
        G1 X0 Y{width} ; Cut to the third corner (along X)
        G1 X0 Y0 ; Return to the start position

        G0 Z5 ; Raise Z-axis to safe height
        M30 ; End program
        """
        
        # Apply forces (example: change cutting parameters based on forces)
        if forces:
            gcode_content += f"""
            ! Apply additional cutting force: {forces} N
            G1 Z-{forces / 10} F300 ; Adjust depth based on forces (mock example)
            """

        # Handle specific tolerances (optional)
        if tolerances:
            gcode_content += f"""
            ! Apply tolerance: {tolerances}
            G1 X{length - tolerances} Y{width - tolerances} ; Adjust final cut based on tolerance
            """
        
        # Handle analysis type for different G-Code behavior (optional)
        if analysis_type == "Structural":
            gcode_content += """
            ! Structural analysis toolpath adjustments
            G1 X50 Y50 ; Move to a specific position for structural test (mock example)
            """
        elif analysis_type == "Thermal":
            gcode_content += """
            ! Thermal analysis toolpath adjustments
            G1 X75 Y75 ; Modify path for thermal analysis test (mock example)
            """
        elif analysis_type == "Acoustic":
            gcode_content += """
            ! Acoustic analysis toolpath adjustments
            G1 X25 Y25 ; Adjust path for acoustic testing (mock example)
            """
        
        # Save the G-Code to a file
        gcode_file = os.path.join(output_dir, "generated_gcode.nc")
        with open(gcode_file, "w") as f:
            f.write(gcode_content)

        return gcode_file
    except Exception as e:
        return f"Error in G-Code generation: {e}"