name: Automatically update Paper commit hash

on:
  workflow_dispatch:
  schedule:
    - cron: "0 0 * * *"

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout Gale repository
        uses: actions/checkout@main
        with:
          path: 'Gale'
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: Checkout Paper repository
        uses: actions/checkout@main
        with:
          path: 'Paper'
          repository: "PaperMC/Paper"
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: Get Gale latest commit Hash
        id: paperRef
        run: |
          ls
          cd Paper
          echo "::set-output name=paperRef::$(git rev-parse HEAD)"
          cd ..

      - name: Update paperRef in Gale
        run: |
          cd Gale
          sed -i "s/\(paperRef\s*=\s*\).*/\1$PAPER_REF/" gradle.properties
        env:
          PAPER_REF: ${{ steps.paperRef.outputs.paperRef }}

      - name: Grant execute permission for gradlew
        run: |
          git config --global user.name "github-actions"
          git config --global user.email no-reply@github.com
          cd Gale
          chmod +x gradlew

      - uses: actions/setup-java@v4
        with:
          distribution: 'temurin'
          java-version:  21

      - name: Running tests before push
        run: |
          cd Gale
          if ! git diff --quiet; then
            echo "Running tests...."
            ./gradlew applyPatches
            ./gradlew createMojmapPaperclipJar
          fi

      - name: Check for changes and write to repository
        run: |
          cd Gale
          if ! git diff --quiet; then
            echo "Writing to repo....."
            git add .
            git commit -m "Updated Upstream (Paper)"
            git push
          else
            echo "No changes to commit."
          fi