# -*- coding: utf-8 -*-
u"""北侧板 v3 —— 跟着 15 mm 分风腔加长（2026-09-13）。

与 v2 的差别同南板 v4：长度 152.8 → **175.0**（x −38.4~136.4）、
A 组螺丝孔挪到端板角柱中心 **x −31/129，z 10/60**（旧的 x −13.70/111.70 打在空气里）。
两个开口（J33 应急排针、J26/J27 风扇座出线）对准的是底板上的座子，座子没动 ⇒ 位置不动。

⛔ 竖板、法线沿 y ⇒ 上视基准面，草图 (u,v) → 模型 (x, −z)。
⛔ 画草图前 `sm.AddToDB = True`。
"""
import io
import os
import sys

sys.stdout = io.TextIOWrapper(sys.stdout.buffer, encoding='utf-8', write_through=True)
import pythoncom
import win32com.client as wc

DST = u'D:\\DCDC\\新建文件夹\\5blades\\NorthPanel_v3.SLDPRT'
EMPTY = wc.VARIANT(pythoncom.VT_DISPATCH, None)

X0, X1 = -38.4, 136.4
Z0, Z1 = -10.0, 72.0
PANEL_T = 2.4
OPENINGS = [(72.14, 87.85, -3.0, 12.0),      # J33 应急排针
            (0.53, 19.03, -3.0, 15.0)]       # J26/J27 风扇座出线

SCREW_D = 3.4
POST_CX_W, POST_CX_E = -31.0, 129.0
SCREW_HOLES = [(POST_CX_W, 10.0), (POST_CX_W, 60.0),
               (POST_CX_E, 10.0), (POST_CX_E, 60.0),
               (30.0, -5.0), (49.0, -5.0), (68.0, -5.0)]


def prop(o, n):
    v = getattr(o, n)
    return v() if type(v).__name__ in ('method', 'function', 'builtin_function_or_method') else v


def D(x):
    return x if hasattr(x, '_oleobj_') else wc.Dispatch(x)


def P(*a):
    print(*a)


def M(v):
    return v / 1000.0


def UZ(z):
    return M(-z)


app = wc.GetActiveObject('SldWorks.Application')
for d in list(app.GetDocuments or []):
    try:
        t = prop(d, 'GetTitle') or ''
        if 'NORTHPANEL_V3' in t.upper():
            app.CloseDoc(t)
            P(u'关掉旧文档 %s' % t)
    except Exception:
        pass

tmpl = app.GetUserPreferenceStringValue(8)
app.NewDocument(tmpl, 0, 0.0, 0.0)
part = app.ActiveDoc
P(u'新建零件 %s' % prop(part, 'GetTitle'))
sm, fm = part.SketchManager, part.FeatureManager


def sk_name():
    nm, f = None, prop(part, 'FirstFeature')
    while f:
        if prop(f, 'GetTypeName2') == 'ProfileFeature':
            nm = prop(f, 'Name')
        f = prop(f, 'GetNextFeature')
    return nm


def pick(name, typ):
    part.ClearSelection2(True)
    part.Extension.SelectByID2(name, typ, 0, 0, 0, False, 0, EMPTY, 0)
    return part.SelectionManager.GetSelectedObjectCount2(-1)


def bodies():
    return part.GetBodies2(0, True) or []


def bbox():
    b = bodies()
    if not b:
        return None
    xs = [[round(v * 1000, 3) for v in prop(D(x), 'GetBodyBox')] for x in b]
    return [min(v[0] for v in xs), min(v[1] for v in xs), min(v[2] for v in xs),
            max(v[3] for v in xs), max(v[4] for v in xs), max(v[5] for v in xs)]


P(u'\n[1] 板本体 %.1f(x) × %.1f(z) × %.1f，含 %d 个开口 + %d 个 Ø%.1f 螺丝孔'
  % (X1 - X0, Z1 - Z0, PANEL_T, len(OPENINGS), len(SCREW_HOLES), SCREW_D))
pick(u'上视基准面', 'PLANE')
sm.InsertSketch(True)
sm.AddToDB = True
sm.CreateCornerRectangle(M(X0), UZ(Z0), 0.0, M(X1), UZ(Z1), 0.0)
for ox0, ox1, oz0, oz1 in OPENINGS:
    sm.CreateCornerRectangle(M(ox0), UZ(oz0), 0.0, M(ox1), UZ(oz1), 0.0)
for sx, sz in SCREW_HOLES:
    sm.CreateCircleByRadius(M(sx), UZ(sz), 0.0, M(SCREW_D / 2))
sm.AddToDB = False
_segs = prop(D(prop(sm, 'ActiveSketch')), 'GetSketchSegments')
want_segs = 4 * (1 + len(OPENINGS)) + len(SCREW_HOLES)
P(u'  草图 segment = %d（期望 %d）' % (len(_segs) if _segs else 0, want_segs))
sm.InsertSketch(True)

if pick(sk_name(), 'SKETCH') != 1:
    P(u'⛔ 草图没选中'); sys.exit(2)
feat = fm.FeatureExtrusion3(True, False, False, 0, 0, M(PANEL_T), 0.0,
                            False, False, False, False, 0.0, 0.0,
                            False, False, False, False, True, True, True, 0, 0.0, False)
P(u'  拉伸 → %r' % (prop(feat, 'Name') if feat else feat))
b = bbox()
P(u'  box %s' % b)
if not b:
    P(u'⛔ 没出实体，停手'); sys.exit(3)

bd = D(bodies()[0])
nf = len(prop(bd, 'GetFaces'))
want_faces = 6 + 4 * len(OPENINGS)
P(u'  面数 = %d（期望 ≥ %d）%s' % (nf, want_faces, u'✅' if nf >= want_faces else u'⛔ 开口没成形'))
hist = {}
for f in prop(bd, 'GetFaces'):
    s = prop(D(f), 'GetSurface')
    if prop(s, 'IsCylinder'):
        r = round(list(prop(s, 'CylinderParams'))[6] * 1000, 2)
        hist[r] = hist.get(r, 0) + 1
P(u'  圆柱面直方图 %s' % dict(sorted(hist.items())))
n34 = hist.get(round(SCREW_D / 2, 2), 0)
P(u'  Ø%.1f 螺丝孔 = %d 个（期望 %d）%s'
  % (SCREW_D, n34, len(SCREW_HOLES), u'✅' if n34 >= len(SCREW_HOLES) else u'⛔ 没打全'))
if n34 < len(SCREW_HOLES):
    P(u'⛔ 停手'); sys.exit(4)

e1 = wc.VARIANT(pythoncom.VT_BYREF | pythoncom.VT_I4, 0)
w1 = wc.VARIANT(pythoncom.VT_BYREF | pythoncom.VT_I4, 0)
part.Extension.SaveAs3(DST, 0, 1, EMPTY, EMPTY, e1, w1)
P(u'\n另存 err=%s 存在=%s %.0f KB'
  % (e1.value, os.path.exists(DST), os.path.getsize(DST) / 1024.0 if os.path.exists(DST) else 0))
if not os.path.exists(DST):
    P(u'⛔ 没落盘，停手'); sys.exit(5)
P(u'⚠ 零件保持打开')