#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""ru-6 源代码鉴别材料.txt 插入 service.py 块(字节忠实、最小改动)。
service.py 字典序在 run.py 与 validate.py 之间 → 块插在 validate.py 分隔符前。
块格式复刻现有:`// ===`/`// 文件：worker/<rel>`/`// ===` + 文件正文 + 2 空行(块间分隔)。"""
P = "docs/ip/ruanzhu-6-gen-worker/源代码鉴别材料.txt"
SRC = "wg1/gen-worker/worker/service.py"
EQ = "// ============================================================"

txt = open(P, encoding="utf-8").read().split("\n")          # 末尾若有 \n → 末元素 ''(join 时还原)
idx = txt.index("// 文件：worker/validate.py")               # validate 块「文件：」行
assert txt[idx - 1] == EQ, "validate 开头分隔符不符: %r" % txt[idx - 1]
ins_at = idx - 1                                             # 插在 validate 块开头 // === 之前

svc = open(SRC, encoding="utf-8").read().split("\n")
if svc and svc[-1] == "":
    svc.pop()                                               # 去掉尾换行造成的末空元素 → 300 行正文
block = [EQ, "// 文件：worker/service.py", EQ] + svc + ["", ""]   # 3 分隔 + 300 正文 + 2 块间空行

new = txt[:ins_at] + block + txt[ins_at:]
open(P, "w", encoding="utf-8").write("\n".join(new))
print("svc_content_lines=%d  block_lines=%d  old_total=%d  new_total=%d  insert_before_line=%d"
      % (len(svc), len(block), len(txt), len(new), ins_at + 1))