import bpy
import numpy as np

bpy.ops.wm.open_mainfile(filepath="characters/female/lena_nude/hires_work/01_imported.blend")
obj = bpy.context.selected_objects[0]
print(f"Working on {obj.name}")

mesh = obj.data
bpy.context.view_layer.objects.active = obj
bpy.ops.object.mode_set(mode="OBJECT")

import bmesh
bm = bmesh.new()
bm.from_mesh(mesh)
bm.edges.ensure_lookup_table()

boundary_edges = [e for e in bm.edges if e.is_boundary]
print(f"Total boundary edges: {len(boundary_edges)}")

hems = [
    {"name": "bra_band", "z": 0.637, "width": 0.005},
    {"name": "armholes", "z": 0.685, "width": 0.005},
    {"name": "neckline", "z": 0.734, "width": 0.005},
    {"name": "briefs_waist", "z": 0.588, "width": 0.005},
    {"name": "leg_openings", "z": 0.490, "width": 0.005}
]

for hem in hems:
    z_min = hem["z"] - hem["width"]
    z_max = hem["z"] + hem["width"]
    count = 0
    for e in boundary_edges:
        v1 = e.verts[0].co.z
        v2 = e.verts[1].co.z
        if z_min <= v1 <= z_max or z_min <= v2 <= z_max:
            count += 1
    print(f"{hem["name"]} ({hem["z"]:.3f}): {count} boundary edges")

z_thigh_min, z_thigh_max = 0.28, 0.34
thigh_count = 0
for e in boundary_edges:
    v1 = e.verts[0].co.z
    v2 = e.verts[1].co.z
    if z_thigh_min <= v1 <= z_thigh_max or z_thigh_min <= v2 <= z_thigh_max:
        thigh_count += 1
print(f"Control band (thigh 0.28-0.34): {thigh_count} boundary edges")

bm.free()