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

SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
# shellcheck disable=SC1091
source "$SCRIPT_DIR/common.sh"

load_local_env

MAVEN_REPO_LOCAL="${MAVEN_REPO_LOCAL:-$ROOT_DIR/var/local-maven-repo}"
JAVA_MAVEN_THREADS="${JAVA_MAVEN_THREADS:-1C}"
INSTALL_PRIVATE_SCRIPT="$SCRIPT_DIR/install_private_maven.py"

usage() {
  cat <<'EOF'
用法:
  ./build_local_backend.sh                # 构建全部 Java 后端 jar（需要 JDK 17）
  ./build_local_backend.sh auth live      # 只构建指定服务
EOF
}

all_java_services() {
  cat <<'EOF'
auth
console
external
gateway
live
order
other
scheduling
visual-monitor
wallet
EOF
}

module_for_service() {
  case "$1" in
    gateway) echo "rc-gateway" ;;
    auth) echo "rc-auth" ;;
    external) echo "rc-service/rc-service-external/external-start" ;;
    other) echo "rc-service/rc-service-other/other-start" ;;
    live) echo "rc-service/rc-service-live/live-start" ;;
    order) echo "rc-service/rc-service-order/order-start" ;;
    wallet) echo "rc-service/rc-service-wallet/wallet-start" ;;
    console) echo "rc-service/rc-service-console/console-start" ;;
    visual-monitor) echo "rc-visual/visual-monitor" ;;
    scheduling) echo "rc-scheduling" ;;
    *)
      return 1
      ;;
  esac
}

select_services() {
  if [ "$#" -eq 0 ]; then
    all_java_services
    return 0
  fi

  for service in "$@"; do
    if ! module_for_service "$service" >/dev/null; then
      echo "unknown java service: $service" >&2
      usage >&2
      exit 1
    fi
    printf '%s\n' "$service"
  done
}

mkdir -p "$MAVEN_REPO_LOCAL"

require_java_17

python3 "$INSTALL_PRIVATE_SCRIPT" \
  --source-root "$JAVA_REPO_DIR/maven_private" \
  --maven-repo-local "$MAVEN_REPO_LOCAL"

SELECTED_SERVICES=()
while IFS= read -r service; do
  [ -n "$service" ] || continue
  SELECTED_SERVICES+=("$service")
done <<EOF
$(select_services "$@")
EOF

MODULES=()
for service in "${SELECTED_SERVICES[@]}"; do
  MODULES+=("$(module_for_service "$service")")
done

MODULE_LIST="$(IFS=,; echo "${MODULES[*]}")"
echo "building java services: ${SELECTED_SERVICES[*]}"
echo "maven reactor threads: $JAVA_MAVEN_THREADS"

mvn \
  -T "$JAVA_MAVEN_THREADS" \
  -P local \
  -Dmaven.repo.local="$MAVEN_REPO_LOCAL" \
  -DskipTests \
  -Dmaven.test.skip=true \
  package \
  -pl "$MODULE_LIST" \
  -am \
  -f "$JAVA_REPO_DIR/pom.xml"