name: CI-GCP

on:
  pull_request:
  push:
    branches:
      - master
      - develop
      - cppal-dev

env:
  DOCKER_BUILDKIT: "1"
  DOCKER_IMAGE: "us-central1-docker.pkg.dev/boostorg-project1/website/website"
  DOCKER_REGISTRY: "us-central1-docker.pkg.dev"
  PROJECT_ID: boostorg-project1
  GKE_CLUSTER: boostorg-cluster1
  GKE_REGION: us-central1
  GKE_ZONE: us-central1-c
  DEPLOYMENT_NAME: boost
  # more environment variables are set in the build step

jobs:
  test:
    runs-on: ubuntu-latest

    services:
      postgres:
        image: postgres:16
        env:
          POSTGRES_USER: postgres
          POSTGRES_PASSWORD: postgres
          POSTGRES_DB: postgres
        ports: ["5432:5432"]
        # options: --health-cmd pg_isready --health-interval 10s --health-timeout 5s --health-retries 5

      redis:
        image: redis
        ports:
          - 6379:6379

    steps:
      - name: Git - Get Sources
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Set up Python 3.13
        uses: actions/setup-python@v5
        with:
          python-version: 3.13

      - uses: actions/cache@v4
        with:
          path: ~/.cache/pip
          key: ${{ runner.os }}-pip-${{ hashFiles('**/base.txt') }}
          restore-keys: |
            ${{ runner.os }}-pip-
            ${{ runner.os }}-

      - name: Install dependencies
        run: |
          python -m pip install --upgrade uv
          uv pip install -r requirements.txt --system
          sudo apt-get install -y ruby ruby-dev build-essential
          sudo gem install asciidoctor
        if: steps.cache.outputs.cache-hit != 'true'

      - name: Test with pytest
        env:
          DATABASE_URL: "postgres://postgres:postgres@localhost:${{ job.services.postgres.ports[5432] }}/postgres"
          HYPERKITTY_DATABASE_URL: "postgres://postgres:postgres@localhost:${{ job.services.postgres.ports[5432] }}/lists_production_web"
          SECRET_KEY: "for-testing-only"
          REDIS_HOST: "localhost"
          CI: "true"
          OPENROUTER_API_KEY: ${{ secrets.OPENROUTER_API_KEY }}
        run: |
          python -m pytest

      - name: Lints with pre-commit
        run: |
          pre-commit run -a

  build:
    needs: [test]
    name: Build and Publish Docker image
    runs-on: ubuntu-latest
    if: ( github.repository == 'boostorg/website-v2' && github.event_name == 'push' && ( github.ref == 'refs/heads/master' || github.ref == 'refs/heads/develop' )) || ( github.repository == 'cppalliance/website-v2-qa' && github.event_name == 'push' && github.ref == 'refs/heads/cppal-dev' )

    steps:
      - name: Set environment for branches
        run: |
          if [[ $GITHUB_REF == 'refs/heads/master' ]]; then
              echo "K8S_NAMESPACE=production" >> "$GITHUB_ENV"
              echo "HELM_RELEASE_NAME=boost-production" >> "$GITHUB_ENV"
              echo "FASTLY_SERVICE_ID_1=${{ secrets.FASTLY_SERVICE_ID_PRODUCTION_1 }}" >> "$GITHUB_ENV"
              echo "FASTLY_SERVICE_ID_2=${{ secrets.FASTLY_SERVICE_ID_PRODUCTION_2 }}" >> "$GITHUB_ENV"
          elif [[ $GITHUB_REF == 'refs/heads/develop' ]]; then
              echo "K8S_NAMESPACE=stage" >> "$GITHUB_ENV"
              echo "HELM_RELEASE_NAME=boost-stage" >> "$GITHUB_ENV"
              echo "FASTLY_SERVICE_ID_1=${{ secrets.FASTLY_SERVICE_ID_STAGE_1 }}" >> "$GITHUB_ENV"
              echo "FASTLY_SERVICE_ID_2=${{ secrets.FASTLY_SERVICE_ID_STAGE_2 }}" >> "$GITHUB_ENV"
          elif [[ $GITHUB_REF == 'refs/heads/cppal-dev' ]]; then
              # cppal-dev is a test branch in another fork. Doesn't need to be created in the main repo.
              echo "K8S_NAMESPACE=cppal-dev" >> "$GITHUB_ENV"
              echo "HELM_RELEASE_NAME=boost-cppal-dev" >> "$GITHUB_ENV"
              echo "FASTLY_SERVICE_ID_1=${{ secrets.FASTLY_SERVICE_ID_CPPAL_DEV_1 }}" >> "$GITHUB_ENV"
              echo "FASTLY_SERVICE_ID_2=${{ secrets.FASTLY_SERVICE_ID_CPPAL_DEV_2 }}" >> "$GITHUB_ENV"
          fi

      - name: Determine boost latest release
        shell: bash
        run: |
            set -o pipefail
            BOOST_REPOSITORY=https://github.com/boostorg/boost
            BOOST_LATEST_RELEASE="master"
            # https://stackoverflow.com/questions/10649814/get-last-git-tag-from-a-remote-repo-without-cloning
            if multiple_tags=$(git -c 'versionsort.suffix=-' ls-remote --tags --sort='-v:refname' $BOOST_REPOSITORY | cut --delimiter='/' --fields=3 ); then
                for item in ${multiple_tags}; do
                    if [[ ${item} =~ boost ]] && [[ ! ${item} =~ beta ]] && [[ ! ${item} =~ rc ]]; then
                        BOOST_LATEST_RELEASE=${item}
                        break
                    fi
                done
            fi
            echo "Discovered BOOST_LATEST_RELEASE is ${BOOST_LATEST_RELEASE}"
            echo "BOOST_LATEST_RELEASE=${BOOST_LATEST_RELEASE}" >> "$GITHUB_ENV"

      - name: Git - Get Sources
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Fetch Git Tags
        run: |
          git fetch --depth=1 origin +refs/tags/*:refs/tags/* || true

      - name: Set up Python 3.13
        uses: actions/setup-python@v5
        with:
          python-version: 3.13

      - name: Install Python dependencies
        run: |
          python -m pip install --upgrade pip
          python -m pip install vinnie

      #
      # To avoid conflicting with the develop branch version tags,
      # use SHORT_SHA instead.
      #
      # - name: Bump and Tag our version
      #   run: |
      #     git config --local user.email "action@github.com"
      #     git config --local user.name "GitHub Action"
      #     vinnie patch
      #     export VINNIE_VERSION=`vinnie version`
      #     git push --tags

      - name: Set short git commit SHA
        run: |
          echo "SHORT_SHA=$(git rev-parse --short ${{ github.sha }})" >> $GITHUB_ENV

      - name: Display SHORT_SHA tag
        run: echo $SHORT_SHA
        env:
          SHORT_SHA: ${{ env.SHORT_SHA }}

      - name: Login to Container Registry
        uses: docker/login-action@v2
        with:
          registry: ${{ env.DOCKER_REGISTRY }}
          username: ${{ secrets.GKE_DOCKER_REGISTRY_USERNAME }}
          password: ${{ secrets.GKE_DOCKER_REGISTRY_PASSWORD }}

      - name: Build Docker image
        run: |
          # TAG=`vinnie version`
          TAG=${{ env.SHORT_SHA }}

          docker build --file ./docker/Dockerfile \
            --build-arg TAG=${TAG} \
            --cache-from=${DOCKER_IMAGE}:latest \
            --tag ${DOCKER_IMAGE} .

      - name: Docker - Tag and Push
        run: |
          # TAG=`vinnie version`
          TAG=${{ env.SHORT_SHA }}
          docker tag ${DOCKER_IMAGE} ${DOCKER_IMAGE}:latest
          docker tag ${DOCKER_IMAGE} ${DOCKER_IMAGE}:${TAG}

          docker push ${DOCKER_IMAGE}:latest
          docker push ${DOCKER_IMAGE}:${TAG}

      - name: Deploy to cluster - google auth
        id: 'auth'
        uses: 'google-github-actions/auth@v1'
        with:
          credentials_json: '${{ secrets.GKE_SA_KEY }}'

      - name: Deploy to cluster - get credentials
        id: 'get-credentials'
        uses: 'google-github-actions/get-gke-credentials@v1'
        with:
          cluster_name: ${{ env.GKE_CLUSTER }}
          location: ${{ env.GKE_REGION }}

      - name: Deploy to cluster - helm
        run: |-
          set -xe
          TAG=${{ env.SHORT_SHA }}
          cd kube/boost
          helm upgrade --install --create-namespace -n ${{ env.K8S_NAMESPACE }} -f values-${{ env.K8S_NAMESPACE }}-gke.yaml --timeout=3600s --set=Image=${DOCKER_IMAGE} --set-string boostLatestRelease=${{ env.BOOST_LATEST_RELEASE }} --set-string ImageTag="${TAG}" ${{ env.HELM_RELEASE_NAME }} .
          kubectl rollout status deployment/$DEPLOYMENT_NAME -n ${{ env.K8S_NAMESPACE }}
          kubectl get services -o wide -n ${{ env.K8S_NAMESPACE }}

      - name: Purge CDN cache
        run: |
          set -xe
          # Clears files selected by the Surrogate Key "deployment", which can be adjusted in the VCL.
          if [ -n "${{ env.FASTLY_SERVICE_ID_1 }}" ]; then
              curl -X POST -H 'Fastly-Soft-Purge:1' -H "Fastly-Key: ${{ secrets.FASTLY_TOKEN }}" -H 'Accept: application/json' https://api.fastly.com/service/${{ env.FASTLY_SERVICE_ID_1 }}/purge/deployment
          fi
          if [ -n "${{ env.FASTLY_SERVICE_ID_2 }}" ]; then
              curl -X POST -H 'Fastly-Soft-Purge:1' -H "Fastly-Key: ${{ secrets.FASTLY_TOKEN }}" -H 'Accept: application/json' https://api.fastly.com/service/${{ env.FASTLY_SERVICE_ID_2 }}/purge/deployment
          fi