name: Auto Publish on Version Change

on:
  push:
    branches:
      - master

jobs:
  check-and-publish:
    runs-on: java26
    env:
      MAVEN_REPO_URL: ${{ secrets.MAVEN_REPO_URL }}
      MAVEN_REPO_USER: ${{ secrets.MAVEN_REPO_USER }}
      MAVEN_REPO_PASS: ${{ secrets.MAVEN_REPO_PASS }}

    steps:
      - name: Checkout Code
        run: |
          SERVER_DOMAIN=$(echo "${{ github.server_url }}" | sed 's/https:\/\///')
          rm -rf "$GITHUB_WORKSPACE"/*
          git clone "https://${{ github.actor }}:${{ secrets.GITHUB_TOKEN }}@${SERVER_DOMAIN}/${{ github.repository }}.git" "$GITHUB_WORKSPACE"
          cd "$GITHUB_WORKSPACE"
          git checkout ${{ github.sha }}

      - name: Read version from Gradle
        id: get_version
        run: |
          cd "$GITHUB_WORKSPACE"
          chmod +x ./gradlew
          VERSION=$(./gradlew properties | grep "^version:" | awk '{print $2}')
          echo "Found local project version: $VERSION"
          echo "version=$VERSION" >> $GITHUB_OUTPUT

      - name: Check if version exists on repository
        id: check_repo
        run: |
          cd "$GITHUB_WORKSPACE"
          RAW_GROUP=$(./gradlew properties | grep "^group:" | awk '{print $2}')
          GROUP_PATH=$(echo "$RAW_GROUP" | tr '.' '/')
          ARTIFACT_ID=$(./gradlew properties | grep "^name:" | awk '{print $2}')
          
          LOCAL_VERSION="${{ steps.get_version.outputs.version }}"
          
          echo "Detected project: $RAW_GROUP:$ARTIFACT_ID:$LOCAL_VERSION"
          
          CHECK_URL="${{ env.MAVEN_REPO_URL }}/${GROUP_PATH}/${ARTIFACT_ID}/${LOCAL_VERSION}/${ARTIFACT_ID}-${LOCAL_VERSION}.pom"
          echo "Check url: $CHECK_URL"
          
          STATUS=$(curl -o /dev/null -s -w "%{http_code}" -u "${{ env.MAVEN_REPO_USER }}:${{ env.MAVEN_REPO_PASS }}" "$CHECK_URL")
          if [ "$STATUS" = "200" ]; then
            echo "Version $LOCAL_VERSION already exists in repository. Skipping publishing."
            echo "is_new=false" >> $GITHUB_OUTPUT
          else
            echo "Version $LOCAL_VERSION not found (Status $STATUS). Start deployment..."
            echo "is_new=true" >> $GITHUB_OUTPUT
          fi

      - name: Push to Maven Repository
        if: steps.check_repo.outputs.is_new == 'true'
        run: |
          echo "Publishing version ${{ steps.get_version.outputs.version }} zu Repository..."
          ./gradlew publish