name: Automatically update Paper commit hash

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

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

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

      - name: Get Paper latest commit Hash
        id: paperCommit
        run: |
          cd Paper
          echo "paperCommit=$(git rev-parse HEAD)" >> $GITHUB_OUTPUT

      - name: Get Leaf Current Paper commit Hash
        id: currPaperCommit
        run: |
          cd Leaf
          currPaperCommit=$(grep "^paperCommit\s*=" gradle.properties | sed 's/^paperCommit\s*=\s*//')
          echo "currPaperCommit=$currPaperCommit" >> $GITHUB_OUTPUT

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

      - name: Grant execute permission for gradlew
        run: |
          cd Leaf
          git config --global user.name "Dreeam-qwq"
          git config --global user.email 61569423+Dreeam-qwq@users.noreply.github.com
          chmod +x gradlew

      - uses: actions/setup-java@main
        with:
          distribution: 'zulu'
          java-version: '21'

      - name: Running tests before push
        run: |
          cd Leaf
          if ! git diff --quiet; then
            echo "Running tests...."
            ./gradlew applyAllPatches
            ./gradlew build -x test
            ./gradlew rebuildPaperPatches
            ./gradlew rebuildAllServerPatches
          fi

      - name: Check for changes and write to repository
        run: |
          cd Leaf
          if ! git diff --quiet; then
            echo "Writing to repo....."
            git add .
            chmod +x ./scripts/upstreamCommit.sh
            ./scripts/upstreamCommit.sh --paper $CURR_PAPER_COMMIT
            git push
          else
            echo "No changes to commit."
          fi
        env:
          CURR_PAPER_COMMIT: ${{ steps.currPaperCommit.outputs.currPaperCommit }}