name: Build and Push Dogecoin Node

on:
  push:
    branches: [main]
  schedule:
    - cron: '0 0 * * *' # Run daily at midnight UTC

jobs:
  build-and-push:
    runs-on: docker://ubuntu:latest
    steps:
      # Checkout the repository
      - name: Checkout
        uses: actions/checkout@v3
        with:
          fetch-depth: 0 # Fetch full history for commit

      # Set up workspace
      - name: Set up workspace
        run: |
          mkdir -p $HOME/bin
          echo "$HOME/bin" >> $GITHUB_PATH

      # Install jq for JSON parsing
      - name: Install jq
        run: |
          curl -L -o $HOME/bin/jq https://github.com/stedolan/jq/releases/download/jq-1.6/jq-linux64
          chmod +x $HOME/bin/jq
          jq --version

      # Get latest Dogecoin version
      - name: Get latest Dogecoin version
        id: get-version
        run: |
          LATEST_VERSION=$(curl -s https://api.github.com/repos/dogecoin/dogecoin/releases/latest | jq -r '.tag_name' | sed 's/^v//')
          echo "LATEST_VERSION=$LATEST_VERSION" >> $GITHUB_ENV

      # Check last built version
      - name: Check last built version
        id: check-version
        run: |
          if [ -f last_version.txt ]; then
            LAST_VERSION=$(cat last_version.txt)
          else
            LAST_VERSION="0.0.0"
          fi
          echo "LAST_VERSION=$LAST_VERSION" >> $GITHUB_ENV
          # Compare versions (e.g., 1.14.9 vs 1.14.8)
          if [ "$(printf '%s\n' "$LATEST_VERSION" "$LAST_VERSION" | sort -V | tail -n1)" = "$LATEST_VERSION" ] && [ "$LATEST_VERSION" != "$LAST_VERSION" ]; then
            echo "New version detected: $LATEST_VERSION > $LAST_VERSION"
            echo "BUILD_REQUIRED=true" >> $GITHUB_ENV
          else
            echo "No new version: $LATEST_VERSION <= $LAST_VERSION"
            echo "BUILD_REQUIRED=false" >> $GITHUB_ENV
          fi

      # Set up QEMU for multiarch builds (only if build is required)
      - name: Set up QEMU
        if: env.BUILD_REQUIRED == 'true'
        uses: docker/setup-qemu-action@v2

      # Set up Docker Buildx (only if build is required)
      - name: Set up Docker Buildx
        if: env.BUILD_REQUIRED == 'true'
        uses: docker/setup-buildx-action@v2

      # Log in to Gitea Registry (only if build is required)
      - name: Login to Gitea Registry
        if: env.BUILD_REQUIRED == 'true'
        uses: docker/login-action@v2
        with:
          registry: gitea.ivangodwin.com
          username: ${{ secrets.GITEA_USERNAME }}
          password: ${{ secrets.GITEA_TOKEN }}

      # Build and push multiarch image (only if build is required)
      - name: Build and push
        if: env.BUILD_REQUIRED == 'true'
        uses: docker/build-push-action@v4
        with:
          context: .
          file: docker/Dockerfile
          platforms: linux/amd64,linux/arm64
          push: true
          tags: gitea.ivangodwin.com/ivangodwin/dogecoin-node:latest,gitea.ivangodwin.com/ivangodwin/dogecoin-node:${{ env.LATEST_VERSION }}
          build-args: |
            DOGECOIN_VERSION=${{ env.LATEST_VERSION }}

      # Update last_version.txt and commit (only if build is required)
      - name: Update last built version
        if: env.BUILD_REQUIRED == 'true'
        run: |
          echo "${{ env.LATEST_VERSION }}" > last_version.txt
          git config user.name "Gitea Actions"
          git config user.email "actions@gitea.ivangodwin.com"
          git add last_version.txt
          git commit -m "Update last built Dogecoin version to ${{ env.LATEST_VERSION }}"
          git push