import gradio as gr
from ansys.mapdl.core import launch_mapdl

# Mock CAD generation
def generate_cad_model(dimensions):
    """
    Generates a mock CAD model. Use a placeholder for environments without FreeCAD.
    """
    file_path = "/mnt/data/example_model.step"
    with open(file_path, 'w') as f:
        f.write(f"Example CAD model with dimensions: {dimensions}")
    return file_path

# ANSYS Simulation Function
def run_simulation(cad_file):
    """
    Runs a simulation using ANSYS MAPDL with the provided CAD file.
    """
    try:
        mapdl = launch_mapdl()
        mapdl.prep7()
        mapdl.et(1, "solid185")
        mapdl.mp("EX", 1, 210e3)
        mapdl.mp("NUXY", 1, 0.3)
        mapdl.mp("DENS", 1, 7.85e-9)
        mapdl.n(1, 0, 0, 0)
        mapdl.n(2, 100, 0, 0)
        mapdl.n(3, 0, 50, 0)
        mapdl.e(1, 2, 3)
        mapdl.finish()
        mapdl.solve()
        results = mapdl.post_processing.nodal_solution
        mapdl.exit()
        return f"Simulation completed successfully. Results: {results}"
    except Exception as e:
        return f"Error running simulation: {e}"

# Gradio Interface
def automate_workflow(dimensions, material, tolerances):
    # Step 1: Generate CAD model
    cad_file = generate_cad_model(dimensions)

    # Step 2: Run simulation
    simulation_results = run_simulation(cad_file)

    return simulation_results, cad_file

interface = gr.Interface(
    fn=automate_workflow,
    inputs=[
        gr.Textbox(label="Dimensions (e.g., 100,50,30 mm)"),
        gr.Textbox(label="Material (e.g., Steel)"),
        gr.Textbox(label="Tolerances (e.g., ±0.05 mm)")
    ],
    outputs=["text", "file"],
    title="ANSYS Simulation Workflow"
)

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