"""Волна N+40: vfbuild70 — 31 EF в op.java (5 методов, 9 групп лямбд).
Запуск: python3 tools/waves_n40.py"""

import os, re, sys

ROOT = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
p = os.path.join(ROOT, "src/main/java/defpackage/op.java")
L = open(p, encoding="utf-8", errors="replace").read().splitlines()
ok = True


def edit(ln, name):
    """rename all whole-word `name` occurrences on line ln to name+'f'"""
    global ok
    i = ln - 1
    new = re.sub(rf"\b{name}\b", name + "f", L[i])
    if new != L[i]:
        L[i] = new
    elif name + "f" not in L[i]:
        ok = False
        print(f"MISS {ln}: no {name} in {L[i].strip()[:90]!r}")


def insert_before(ln, anchor_prev, anchor_next, decl):
    global ok
    ip = ln - 1
    prev_ok = anchor_prev in L[ip - 1]
    next_ok = anchor_next in L[ip]
    done = decl in "\n".join(L[max(0, ip - 8) : ip + 8])
    if prev_ok and next_ok and not done:
        line = L[ip]
        indent = line[: len(line) - len(line.lstrip())]
        L[ip:ip] = [indent + decl]
    elif done:
        pass
    else:
        ok = False
        print(
            f"INSERT-MISS {ln}: prev={L[ip - 1].strip()[:70]!r} next={L[ip].strip()[:70]!r}"
        )


# edits first (descending line numbers)
for ln in (1452, 1451, 1450, 1441, 1440, 1439, 1428, 1427, 1426):
    edit(ln, "var5")
for ln in (1336, 1335, 1334):
    edit(ln, "var4")
for ln in (1306, 1304, 1302, 1293, 1292, 1291):
    edit(ln, "var5")
for ln in (1205, 1204, 1203):
    edit(ln, "var4")
for ln in (1166, 1165, 1164, 1153, 1152, 1151):
    edit(ln, "var4")

# inserts (descending): one copy per method/case group
insert_before(
    1418,
    "var7 = var6.toLowerCase(Locale.ROOT);",
    "var0.add(",
    "final aso var5f = var5;",
)
insert_before(1326, "var4 = var1[var3];", "var0.add(", "final od var4f = var4;")
insert_before(
    1283, "var7 = var6.toLowerCase(Locale.ROOT);", "var0.add(", "final oe var5f = var5;"
)
insert_before(
    1195, "var5 = titleCase(((ob)var4).name());", "var0.add(", "final ob var4f = var4;"
)
insert_before(
    1143, "var6 = var5.toLowerCase(Locale.ROOT);", "var0.add(", "final nz var4f = var4;"
)

open(p, "w", encoding="utf-8").write("\n".join(L) + "\n")
print("OK" if ok else "PROBLEMS")
sys.exit(0 if ok else 1)