import ezdxf, sys, math
from collections import defaultdict
sys.stdout.reconfigure(encoding='utf-8')
SRC = r'D:\★Pier 자료\심수석님 검토 파일\철근 모델랑 운곡교P1_바이브코딩\1.dxf'
d = ezdxf.readfile(SRC)
ms = d.modelspace()
REG = tuple(float(v) for v in sys.argv[1:5])  # x0 x1 y0 y1 : region for dots + bubbles
CX = float(sys.argv[5])  # section centre x (to convert x to Y)
x0, x1, y0, y1 = REG
dots = []
bub = []
lines = []
txt = []
for e in ms:
    t = e.dxftype()
    if t == 'CIRCLE':
        c = e.dxf.center
        if e.dxf.radius == 27 and x0 < c.x < x1 and y0 < c.y < y1:
            dots.append((c.x, c.y))
        if e.dxf.radius == 240 and x0 - 4000 < c.x < x1 + 4000 and y0 - 1500 < c.y < y1 + 6000:
            bub.append((c.x, c.y))
    elif t == 'LINE' and e.dxf.layer in ('CS-DIML', 'CS-SYMB-LIN3', 'CS-SYMB'):
        a, b = e.dxf.start, e.dxf.end
        if x0 - 5000 < min(a.x, b.x) and max(a.x, b.x) < x1 + 5000 and y0 - 1500 < min(a.y, b.y) and max(a.y, b.y) < y1 + 6500:
            lines.append(((a.x, a.y), (b.x, b.y)))
    elif t == 'TEXT':
        p = e.dxf.insert
        if x0 - 5000 < p.x < x1 + 5000 and y0 - 1500 < p.y < y1 + 6500:
            txt.append((p.x, p.y, e.dxf.text.strip()))
def near(p, q, tol=2.0):
    return abs(p[0] - q[0]) < tol and abs(p[1] - q[1]) < tol
# union-find lines by shared endpoints
n = len(lines)
par = list(range(n))
def find(i):
    while par[i] != i:
        par[i] = par[par[i]]
        i = par[i]
    return i
pts = defaultdict(list)
for i, (a, b) in enumerate(lines):
    pts[(round(a[0] / 3), round(a[1] / 3))].append(i)
    pts[(round(b[0] / 3), round(b[1] / 3))].append(i)
for k, v in pts.items():
    for j in v[1:]:
        par[find(v[0])] = find(j)
comp = defaultdict(list)
for i in range(n):
    comp[find(i)].append(i)
res = []
for (bx, by) in bub:
    # label text inside bubble
    lab = [t for t in txt if abs(t[0] - bx) < 260 and abs(t[1] - by) < 260 and t[2].startswith('C') and t[2][1:].isdigit()]
    if not lab:
        continue
    name = lab[0][2]
    ul = by - 252
    cand = [i for i, (a, b) in enumerate(lines) if abs(a[1] - ul) < 4 and abs(b[1] - ul) < 4 and min(a[0], b[0]) < bx + 300 and max(a[0], b[0]) > bx - 300]
    if not cand:
        res.append((name, 'no underline'))
        continue
    got = set()
    for i in cand:
        for j in comp[find(i)]:
            a, b = lines[j]
            for p in (a, b):
                for dd in dots:
                    if abs(p[0] - dd[0]) < 2 and 2 < abs(p[1] - dd[1]) < 9:
                        got.add(dd)
    res.append((name, sorted(got)))
for name, g in sorted(res, key=lambda r: r[0]):
    if isinstance(g, str):
        print(name, g)
        continue
    rows = defaultdict(list)
    for x, y in g:
        rows[round(y, 1)].append(round(x - CX))
    print(name, {y: sorted(v) for y, v in sorted(rows.items(), reverse=True)})