name: 'Main'

on:
  push:
    tags: ['*']
    branches: ['*']
  pull_request:
    branches: ['*']
  workflow_dispatch:

permissions: {}

jobs:

  build-common-stages:
    name: 'Build common stages'
    runs-on: 'ubuntu-22.04'
    permissions:
      contents: 'read'
    strategy:
      matrix:
        stage: ['build']
    steps:
      - name: 'Checkout project'
        uses: 'actions/checkout@v3'
      - name: 'Build and save image'
        run: |
          make \
            IMAGE_REGISTRY="localhost" IMAGE_NAMESPACE="stage" IMAGE_PROJECT="${{ matrix.stage }}" \
            IMAGE_BUILD_OPTS="--pull --target ${{ matrix.stage }} --build-arg BUILDKIT_INLINE_CACHE=1" \
            build-native-image save-native-image
      - name: 'Upload artifacts'
        uses: 'actions/upload-artifact@v3'
        with:
          name: 'dist-common-stages'
          path: './dist/'
          retention-days: 1

  build:
    name: 'Build ${{ matrix.arch }} image'
    needs: ['build-common-stages']
    runs-on: 'ubuntu-22.04'
    permissions:
      contents: 'read'
    strategy:
      matrix:
        arch: ['native', 'amd64', 'arm64v8']
    steps:
      - name: 'Checkout project'
        uses: 'actions/checkout@v3'
      - name: 'Download artifacts'
        uses: 'actions/download-artifact@v3'
        with:
          name: 'dist-common-stages'
          path: './dist/'
      - name: 'Load common stages'
        run: |
          docker system prune --all --force
          make IMAGE_REGISTRY="localhost" IMAGE_NAMESPACE="stage" IMAGE_PROJECT="build" load-native-image clean
      - name: 'Register binfmt entries'
        if: "matrix.arch != 'native'"
        run: |
          make binfmt-register
      - name: 'Build and save image'
        run: |
          make \
            IMAGE_BUILD_OPTS="--cache-from localhost/stage/build:latest" \
            "build-${{ matrix.arch }}-image" "save-${{ matrix.arch }}-image"
      - name: 'Upload artifacts'
        if: "startsWith(github.ref, 'refs/tags/v') && matrix.arch != 'native'"
        uses: 'actions/upload-artifact@v3'
        with:
          name: 'dist-${{ matrix.arch }}'
          path: './dist/'
          retention-days: 1

  push:
    name: 'Push ${{ matrix.arch }} image'
    if: "startsWith(github.ref, 'refs/tags/v')"
    needs: ['build']
    runs-on: 'ubuntu-22.04'
    permissions:
      contents: 'read'
    strategy:
      matrix:
        arch: ['amd64', 'arm64v8']
    steps:
      - name: 'Checkout project'
        uses: 'actions/checkout@v3'
      - name: 'Download artifacts'
        uses: 'actions/download-artifact@v3'
        with:
          name: 'dist-${{ matrix.arch }}'
          path: './dist/'
      - name: 'Login to Docker Hub'
        uses: 'docker/login-action@v2'
        with:
          registry: 'docker.io'
          username: '${{ secrets.DOCKERHUB_USERNAME }}'
          password: '${{ secrets.DOCKERHUB_TOKEN }}'
      - name: 'Load and push image'
        run: |
          make "load-${{ matrix.arch }}-image" "push-${{ matrix.arch }}-image"

  push-manifest:
    name: 'Push manifest'
    if: "startsWith(github.ref, 'refs/tags/v')"
    needs: ['push']
    runs-on: 'ubuntu-22.04'
    permissions:
      contents: 'read'
    steps:
      - name: 'Checkout project'
        uses: 'actions/checkout@v3'
      - name: 'Login to Docker Hub'
        uses: 'docker/login-action@v2'
        with:
          registry: 'docker.io'
          username: '${{ secrets.DOCKERHUB_USERNAME }}'
          password: '${{ secrets.DOCKERHUB_TOKEN }}'
      - name: 'Push manifest'
        run: |
          make push-cross-manifest

  release-github:
    name: 'Create GitHub release'
    if: "startsWith(github.ref, 'refs/tags/v')"
    needs: ['push-manifest']
    runs-on: 'ubuntu-22.04'
    permissions:
      contents: 'write'
    steps:
      - name: 'Create release'
        env:
          GITHUB_PAT: '${{ secrets.GITHUB_TOKEN }}'
        run: |
          RELEASE_STATUS="$(curl -fs --proto '=https' --tlsv1.3 --globoff \
            --url "https://api.github.com/repos/${GITHUB_REPOSITORY:?}/releases/tags/${GITHUB_REF_NAME:?}" \
            --header "Authorization: Bearer ${GITHUB_PAT:?}" \
            --header 'Accept: application/vnd.github.v3+json' \
            --header 'Content-Type: application/json' \
            --write-out '%{http_code}' --output /dev/null ||:)"
          if [ "${RELEASE_STATUS:?}" = '200' ]; then exit 0; fi
          RELEASE_ID="$(curl -fsS --proto '=https' --tlsv1.3 --globoff \
            --url "https://api.github.com/repos/${GITHUB_REPOSITORY:?}/releases" \
            --header "Authorization: Bearer ${GITHUB_PAT:?}" \
            --header 'Accept: application/vnd.github.v3+json' \
            --header 'Content-Type: application/json' \
            --data "$(jq -rn --arg tag "${GITHUB_REF_NAME:?}" '{"name": $tag, "tag_name": $tag, "generate_release_notes": true}')" | jq -r '.id')"
          if [ -z "${RELEASE_ID-}" ] || [ "${RELEASE_ID:?}" = 'null' ]; then exit 1; fi