# -*- coding: utf-8 -*-
u"""布线缓存的「方向符合度」：每层按长度算顺 / 逆 / 斜各占多少（L1 优选 x、L4 优选 y，route_base.LAYER_DIR）。

    /c/Python314/python .claude/r2/dir_stats.py [缓存.json ...]      # 默认 _base_routes.json
"""
import io, json, math, os, sys
sys.stdout.reconfigure(encoding='utf-8')
HERE = os.path.dirname(os.path.abspath(__file__))
PREF = {1: 'x', 2: 'y'}
NAME = {1: 'L1 插槽面（优选 x）', 2: 'L4 器件面（优选 y）'}
for path in (sys.argv[1:] or [os.path.join(HERE, '_base_routes.json')]):
    d = json.load(io.open(path, encoding='utf-8'))
    print(u'%s：%d 段 / %d 孔 / 未完成 %d' % (os.path.basename(path), len(d['segs']), len(d['vias']), len(d['logs'])))
    for l in (1, 2):
        a = {'顺': 0.0, '逆': 0.0, '斜': 0.0}
        for s in d['segs']:
            if s[0] != l:
                continue
            dx, dy = abs(s[3] - s[1]), abs(s[4] - s[2])
            L = math.hypot(dx, dy)
            if dx > 1e-6 and dy > 1e-6:
                a['斜'] += L
            elif (dx > dy) == (PREF[l] == 'x'):
                a['顺'] += L
            else:
                a['逆'] += L
        t = sum(a.values()) or 1.0
        print(u'   %s  总 %7.1f mm：顺 %5.1f%%  逆 %5.1f%%  斜 %5.1f%%'
              % (NAME[l], t, 100 * a['顺'] / t, 100 * a['逆'] / t, 100 * a['斜'] / t))