name: JDK 설정
description: Adoptium Temurin JDK를 수동으로 설치하고 JAVA_HOME과 PATH를 설정

inputs:
  distribution:
    required: false
    default: temurin
    description: 설치할 JDK 배포판 (현재 temurin만 지원)
  java-version:
    required: false
    default: "21"
    description: 설치할 Java 메이저 버전
  architecture:
    required: false
    default: auto
    description: 설치할 CPU 아키텍처 (auto, x64, aarch64)

runs:
  using: composite
  steps:
    - name: JDK 설정
      shell: bash
      env:
        JAVA_DISTRIBUTION: ${{ inputs.distribution }}
        JAVA_VERSION: ${{ inputs.java-version }}
        JAVA_ARCHITECTURE: ${{ inputs.architecture }}
      run: |
        set -euo pipefail

        if [ "$JAVA_DISTRIBUTION" != "temurin" ]; then
          echo "지원하지 않는 JDK 배포판입니다: $JAVA_DISTRIBUTION"
          echo "현재는 temurin만 지원합니다."
          exit 1
        fi

        SUDO=""
        [ "$(id -u)" -ne 0 ] && SUDO="sudo"

        install_packages() {
          if command -v apt-get >/dev/null 2>&1; then
            export DEBIAN_FRONTEND=noninteractive
            $SUDO apt-get update
            $SUDO apt-get install -y --no-install-recommends ca-certificates curl tar
          elif command -v apk >/dev/null 2>&1; then
            $SUDO apk add --no-cache ca-certificates curl tar
          elif command -v yum >/dev/null 2>&1; then
            $SUDO yum install -y ca-certificates curl tar
          else
            echo "지원하지 않는 러너입니다. ca-certificates, curl, tar를 설치할 수 없습니다."
            exit 1
          fi
        }

        for command_name in curl tar; do
          if ! command -v "$command_name" >/dev/null 2>&1; then
            install_packages
            break
          fi
        done

        if [ "$JAVA_ARCHITECTURE" = "auto" ]; then
          case "$(uname -m)" in
            x86_64|amd64) JAVA_ARCHITECTURE="x64" ;;
            aarch64|arm64) JAVA_ARCHITECTURE="aarch64" ;;
            *)
              echo "지원하지 않는 CPU 아키텍처입니다: $(uname -m)"
              exit 1
              ;;
          esac
        fi

        case "$JAVA_ARCHITECTURE" in
          x64|aarch64) ;;
          *)
            echo "지원하지 않는 architecture 입력값입니다: $JAVA_ARCHITECTURE"
            echo "사용 가능: auto, x64, aarch64"
            exit 1
            ;;
        esac

        DOWNLOAD_URL="https://api.adoptium.net/v3/binary/latest/${JAVA_VERSION}/ga/linux/${JAVA_ARCHITECTURE}/jdk/hotspot/normal/eclipse"
        INSTALL_ROOT="/opt/hostedtoolcache/manual-java"
        INSTALL_DIR="${INSTALL_ROOT}/temurin-${JAVA_VERSION}-${JAVA_ARCHITECTURE}"
        ARCHIVE_FILE="$(mktemp)"

        cleanup() {
          rm -f "$ARCHIVE_FILE"
        }
        trap cleanup EXIT

        if [ ! -x "$INSTALL_DIR/bin/java" ]; then
          $SUDO mkdir -p "$INSTALL_DIR"
          curl --fail --location --show-error --silent "$DOWNLOAD_URL" --output "$ARCHIVE_FILE"
          $SUDO tar -xzf "$ARCHIVE_FILE" --strip-components=1 -C "$INSTALL_DIR"
        fi

        echo "JAVA_HOME=$INSTALL_DIR" >> "$GITHUB_ENV"
        echo "$INSTALL_DIR/bin" >> "$GITHUB_PATH"

        "$INSTALL_DIR/bin/java" -version