name: Build Docker Image

on:
  push:
    branches:
      - "main"
  schedule:
    - cron: "0 0 * * *"
  workflow_dispatch:

jobs:
  docker:
    runs-on: ubuntu-latest
    steps:
      - name: Check latest Pocketbase Version
        run: |
          curl -s https://api.github.com/repos/pocketbase/pocketbase/releases/latest | jq -r '.tag_name' > latest_version
        id: latest_version

      - name: Print latest Pocketbase Version
        run: |
          cat latest_version
        id: print_version

      - name: Check latest Docker Image Version
        run: |
          docker pull lukehagar/pocketbase:latest
          docker inspect lukehagar/pocketbase:latest --format='{{index .Config.Labels "org.opencontainers.image.version"}}' > latest_docker_version
        id: latest_docker_version

      - name: Print latest Docker Image Version
        run: |
          cat latest_docker_version
        id: print_docker_version

      - name: Check if latest version is different
        run: |
          if [ "$(cat latest_version)" != "$(cat latest_docker_version)" ]; then
            echo "Versions are different"
            echo "::set-output name=build::true"
          else
            echo "Versions are the same"
            echo "::set-output name=build::false"
          fi
        id: check_version

      - name: Set up QEMU
        if: steps.check_version.outputs.build == 'true'
        uses: docker/setup-qemu-action@v2

      - name: Set up Docker Buildx
        if: steps.check_version.outputs.build == 'true'
        uses: docker/setup-buildx-action@v2

      - name: Login to Docker Hub
        if: steps.check_version.outputs.build == 'true'
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Build and push
        if: steps.check_version.outputs.build == 'true'
        uses: docker/build-push-action@v5
        with:
          push: true
          tags: lukehagar/pocketbase:latest
          build-args: |
            POCKETBASE_VERSION=$(cat latest_version)