#!/usr/bin/env bash
set -euo pipefail

FILE="src/SettingsPage.cpp"

if [[ ! -f "$FILE" ]]; then
  echo "ERROR: $FILE not found" >&2
  exit 1
fi

echo "[ubuntu-lts-system-fix] Patching $FILE"

perl -0777 -i -pe '
  s@if \(pw\) chown\(conf_file\.c_str\(\), pw->pw_uid, pw->pw_gid\);@if (pw) {\n            const int chown_rc = chown(conf_file.c_str(), pw->pw_uid, pw->pw_gid);\n            if (chown_rc != 0) {\n                std::cerr << _("[SettingsPage] ⚠ chown fallita per ") << conf_file << std::endl;\n            }\n        }@g;

  s@std::system\("systemctl --user restart BastionGuard-mailproxy\.service 2>/dev/null"\);@const int rc = std::system("systemctl --user restart BastionGuard-mailproxy.service 2>/dev/null");\n                if (rc != 0) {\n                    std::cerr << _("[SettingsPage] ⚠ Impossibile riavviare BastionGuard-mailproxy.service") << std::endl;\n                }@g;
' "$FILE"

echo "[ubuntu-lts-system-fix] Verifying patch"

if grep -Eq '^[[:space:]]*if \(pw\) chown\(conf_file\.c_str\(\), pw->pw_uid, pw->pw_gid\);[[:space:]]*$' "$FILE"; then
  echo "ERROR: chown patch not applied" >&2
  exit 1
fi

if grep -Eq '^[[:space:]]*std::system\("systemctl --user restart BastionGuard-mailproxy\.service 2>/dev/null"\);[[:space:]]*$' "$FILE"; then
  echo "ERROR: mailproxy restart patch not applied" >&2
  exit 1
fi

echo "[ubuntu-lts-system-fix] Patch applied successfully"