"""
NXOpen script — Extract plate geometry from selected face.

ONE-TIME: Run inside NX. User selects plate face, assigns hole weights.
Exports geometry.json for the Python brain.

NOTE: This is pseudocode / skeleton. Actual NXOpen API calls need
NX environment to develop and test.
"""

# This script runs inside NX — NXOpen is available at runtime
# import NXOpen
# import json
# import math


def extract_plate_geometry(face, hole_weights):
    """
    Extract plate geometry from an NX face.
    
    Parameters
    ----------
    face : NXOpen.Face
        The selected plate face.
    hole_weights : dict
        {loop_index: weight} from user input.
    
    Returns
    -------
    dict : geometry definition for export.
    """
    raise NotImplementedError(
        "This script must be developed and tested inside NX Simcenter. "
        "See docs/technical-spec.md Section 2 for full pseudocode."
    )


def sample_edge(edge, tolerance=0.1):
    """Sample edge curve as polyline with given chord tolerance."""
    # NXOpen: edge.GetCurve(), evaluate at intervals
    raise NotImplementedError


def fit_circle(points):
    """Fit a circle to boundary points. Returns (center, diameter)."""
    # Least-squares circle fit
    raise NotImplementedError


def export_geometry(geometry, filepath='geometry.json'):
    """Export geometry dict to JSON."""
    import json
    with open(filepath, 'w') as f:
        json.dump(geometry, f, indent=2)