Rewrite logic, use env variables, and add comments to the following code to make it more readable and maintainable.

scripts/generate-configs.sh

@@ -1,24 +1,31 @@
 #!/bin/bash
 set -euo pipefail
 
-INPUT_FILE="domains.txt"
-IPSET_CONF="/tmp/91-ipset-bbrkn.conf"
-RESOLVE_CONF="/tmp/92-resolve-bbrkn.conf"
-API_URL="http://10.100.1.2:3000/domains?domain="
+# ==============================
+# Конфигурация через переменные
+# ==============================
+INPUT_FILE="${INPUT_FILE:-domains.txt}"
+
+IPSET_CONF="${IPSET_CONF:-/tmp/91-ipset-bbrkn.conf}"
+RESOLVE_CONF="${RESOLVE_CONF:-/tmp/92-resolve-bbrkn.conf}"
+
+API_URL="${API_URL:-http://10.100.1.2:3000/domains?domain=}"
+DNS_SERVER="${DNS_SERVER:-8.8.8.8}"
 
 DRY_RUN=false
 if [[ "${1:-}" == "--dry-run" ]]; then
   DRY_RUN=true
 fi
 
+# Очистка файлов только если не dry-run
 if ! $DRY_RUN; then
   : > "$IPSET_CONF"
   : > "$RESOLVE_CONF"
 fi
 
-declare -A DOM_ROLE     # роли для исходных доменов: site/service
-declare -A EXPANDED     # все уникальные домены (ключи = домены)
-declare -A SOURCES      # источник: base или related
+declare -A DOM_ROLE
+declare -A EXPANDED
+declare -A SOURCES
 
 normalize_domain() {
   local raw="$1"
@@ -34,7 +41,7 @@ normalize_domain() {
   fi
 }
 
-# Обработка доменов из входного списка
+# Обработка доменов
 while IFS= read -r line || [ -n "$line" ]; do
   dom="$(normalize_domain "$line" || true)"
   [ -z "$dom" ] && continue
@@ -60,25 +67,23 @@ while IFS= read -r line || [ -n "$line" ]; do
   fi
 done < "$INPUT_FILE"
 
-# Сортировка доменов
+# Сортировка
 mapfile -t ALL_DOMAINS < <(printf "%s\n" "${!EXPANDED[@]}" | sort -u)
 
 # Генерация конфигов
 if ! $DRY_RUN; then
   for d in "${ALL_DOMAINS[@]}"; do
     echo "ipset=/$d/bbrkn" >> "$IPSET_CONF"
-    echo "server=/$d/8.8.8.8" >> "$RESOLVE_CONF"
+    echo "server=/$d/$DNS_SERVER" >> "$RESOLVE_CONF"
   done
 fi
 
 # Подсчёты
 count_in=$(wc -l < "$INPUT_FILE")
 count_total=${#ALL_DOMAINS[@]}
-count_base=$(printf "%s\n" "${!SOURCES[@]}" | grep -c '.*' || true)
-count_related=$(printf "%s\n" "${!SOURCES[@]}" | grep -c '.*' || true)
 count_related=$(( count_total - count_in ))
 
-# Отладочный вывод
+# Отладочный отчёт
 echo
 echo "===== DEBUG REPORT ====="
 echo "Original domains file: $count_in entries"