name: Auto Build Monero Node Docker Container


on:
  workflow_dispatch:
  schedule:
    - cron: '12 */3 * * *'

jobs:
  build:
    runs-on: dind

    env:
      PACKAGE: monero
      DOCKER_REGISTRY: git.shork.ch
      REGISTRY_USER: melody
      COMMIT_AUTHOR_NAME: "forgejo-runner"
      COMMIT_AUTHOR_EMAIL: "forgejo-runner@shork.ch"
      COMMIT_MESSAGE: "Update build metadata"

    steps:
      - name: Install dependencies
        shell: sh
        run: |
          apk add --no-cache git bash jq nodejs npm curl

      - uses: actions/checkout@v3

      - name: Get latest package version
        id: check
        run: |
          newest_version=$(curl https://api.github.com/repos/monero-project/monero/tags | jq -r .[0].tag_name)
          echo "NEWEST_VERSION=$newest_version" >> $GITHUB_ENV

      - name: Determine if update is needed
        run: |
          last_version_file=".last_version"
          last_rebuild_file=".last_rebuild"

          last_version=$(cat $last_version_file 2>/dev/null || echo "none")
          last_rebuild=$(cat $last_rebuild_file 2>/dev/null || echo 0)

          current_day=$(( $(date +%s) / 86400 ))

          update="false"
          if [ "$last_version" != "$NEWEST_VERSION" ] || [ $((current_day - last_rebuild)) -gt 14 ]; then
            update="true"
          fi

          echo "UPDATE=$update" >> $GITHUB_ENV


      - name: Start Docker daemon
        if: env.UPDATE == 'true'
        run: |
          dockerd-entrypoint.sh &
          for i in {1..10}; do
            docker info && break
            echo "Waiting for Docker daemon..."
            sleep 3
          done
          docker info || { echo "Docker daemon failed to start."; exit 1; }

      - name: Build and push Docker image
        if: env.UPDATE == 'true'
        run: |
          git clone https://github.com/monero-project/monero ../monero
          cd ../monero
          git fetch --all --tags
          git checkout tags/$NEWEST_VERSION
          docker build --build-arg NPROC=1 -t $DOCKER_REGISTRY/$REGISTRY_USER/docker-$PACKAGE:latest -t $DOCKER_REGISTRY/$REGISTRY_USER/docker-$PACKAGE:$NEWEST_VERSION .
          echo "${{ secrets.DOCKER_PASSWORD }}" | docker login $DOCKER_REGISTRY -u "${{ secrets.DOCKER_USERNAME }}" --password-stdin
          docker push $DOCKER_REGISTRY/$REGISTRY_USER/docker-$PACKAGE:latest
          cd

      - name: Commit updated metadata
        if: env.UPDATE == 'true'
        run: |
          echo "$NEWEST_VERSION" > .last_version
          echo $(( $(date +%s) / 86400 )) > .last_rebuild
          git config user.name "$COMMIT_AUTHOR_NAME"
          git config user.email "$COMMIT_AUTHOR_EMAIL"
          git add .last_version .last_rebuild
          git commit -m "$COMMIT_MESSAGE"
          git push