"""Design probe 2 (headless, reads only): the deck's open edges (the well outline) in plan, the lamp housings,
the door's inner-face polyline (local y,z) and the lining's inner contour per x. Writes JSON."""
import bpy, json, sys, bmesh
from mathutils import Vector
OUT = sys.argv[sys.argv.index("--") + 1]
scn = bpy.context.scene
for o in bpy.data.objects:
    if not o.users_scene:
        scn.collection.objects.link(o)
scn.frame_set(1)
dg = bpy.context.evaluated_depsgraph_get()
rep = {}
def bm_world(o):
    ev = o.evaluated_get(dg)
    bm = bmesh.new(); bm.from_object(o, dg); bm.transform(ev.matrix_world)
    return bm
deck = bpy.data.objects["Moonpool | deck around open well"]
bm = bm_world(deck)
edges = []
for e in bm.edges:
    if len(e.link_faces) < 2 or (e.calc_face_angle(0) > 0.6):
        a, b = e.verts[0].co, e.verts[1].co
        edges.append([[round(a.x, 3), round(a.y, 3), round(a.z, 3)], [round(b.x, 3), round(b.y, 3), round(b.z, 3)]])
rep["deck_sharp_edges"] = edges
bm.free()
# door: local vertices grouped by x columns -> inner face (max y per z row) at the x nearest 0
door = bpy.data.objects["Moonpool_Door_Aft"]
vs = [v.co.copy() for v in door.data.vertices]
xs = sorted(set(round(v.x, 3) for v in vs))
rep["door_x_columns"] = xs[:5] + ["..."] + xs[-5:] + [len(xs)]
# normals of faces on the inner face (pointing +y,+z side)
inner = []
for p in door.data.polygons:
    n = p.normal
    c = p.center
    if abs(c.x) < 0.06 and n.z > 0.2 and abs(n.x) < 0.2:
        inner.append([round(c.y, 4), round(c.z, 4), round(n.y, 4), round(n.z, 4), round(c.x, 4)])
inner.sort()
rep["door_inner_faces_x0"] = inner
outer = []
for p in door.data.polygons:
    n = p.normal; c = p.center
    if abs(c.x) < 0.06 and n.z < -0.2 and abs(n.x) < 0.2:
        outer.append([round(c.y, 4), round(c.z, 4), round(n.y, 4), round(n.z, 4)])
outer.sort()
rep["door_outer_faces_x0"] = outer
# door end faces (x extremes): their x and shape
rep["door_x_extent"] = [min(v.x for v in vs), max(v.x for v in vs)]
# lamps and housings world bbox
for nm in ("Moonpool | docking lamp", "Moonpool | docking lamp.001", "Moonpool | recessed docking lamp housing", "Moonpool | recessed docking lamp housing.001"):
    o = bpy.data.objects[nm]
    cs = [o.matrix_world @ Vector(c) for c in o.bound_box]
    rep[nm] = [[min(c[i] for c in cs) for i in range(3)], [max(c[i] for c in cs) for i in range(3)]]
# end wall: faces facing into the pocket (normal +x for AFT): their y,z extents near the rail height
for nm, sgn in (("Pocket AFT | conformal closed end", 1), ("Pocket FORE | conformal closed end", -1)):
    o = bpy.data.objects[nm]
    pts = []
    for p in o.data.polygons:
        n = o.matrix_world.to_3x3() @ p.normal
        if n.x * sgn > 0.9:
            c = o.matrix_world @ p.center
            pts.append([round(c.x, 4), round(c.y, 3), round(c.z, 3)])
    rep[nm + " | pocket faces"] = {"n": len(pts), "x": sorted(set(p[0] for p in pts)),
                                    "y": [min(p[1] for p in pts), max(p[1] for p in pts)], "z": [min(p[2] for p in pts), max(p[2] for p in pts)]}
json.dump(rep, open(OUT, "w"))
print("PROBE2 DONE")