name: Java CI with Gradle
on:
  push:
    branches:
      - main
  pull_request:
    branches:
      - main

jobs:
  define-versions:
    runs-on: ubuntu-latest

    outputs:
      versions: ${{ steps.versions.outputs.versions }}

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Define Versions
        id: versions
        run: |
          versions="["
          for item in $(ls mc); do
            versions+="\"$item\", "
          done
          
          versions="${versions%,*}]"
          echo "versions=$versions" >> "$GITHUB_OUTPUT"

  build:
    needs: define-versions
    strategy:
      fail-fast: false
      matrix:
        version: ${{ fromJSON(needs.define-versions.outputs.versions) }}

    name: Build ${{ matrix.version }}
    timeout-minutes: 10

    runs-on: ubuntu-latest

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Validate Gradle wrapper
        uses: gradle/wrapper-validation-action@v1

      - name: Set up JDK 21
        uses: actions/setup-java@v4
        with:
          java-version: '21'
          distribution: 'temurin'

      - name: Generate ${{ matrix.version }}
        uses: gradle/gradle-build-action@v2
        with:
          arguments: :mc:${{ matrix.version }}:runServer

      - name: Upload artifact
        uses: actions/upload-artifact@v4
        with:
          name: data-${{ matrix.version }}
          path: mc/${{ matrix.version }}/run/server/minecraft-data
          if-no-files-found: error