name: Package Version Checker

on:
  schedule:
    # * is a special character in YAML so you have to quote this string
    # At minute 0 for each hour from 8:00 to 22:00 inclusive from Monday to Friday inclusive
    # Timezone is UTC, so Paris time is +2 during the summer and +1 during winter
    - cron: '0 6-20 * * 1-5'

  # Allows you to run this workflow manually from the Actions tab
  workflow_dispatch:

env:
  ACTION_RUN_URL: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}

jobs:
  check_and_notify_build:
    name: Check timestamps and open PR
    runs-on: ubuntu-20.04
    steps:
      - name: Should run
        run: |
          SHOULD_RUN=${{ secrets.PACKAGE_WATCHER_ENABLED }}
          if [[ "${SHOULD_RUN}" == "PACKAGE_WATCHER_PREFIX_ENABLED" ]]; then
            SHOULD_RUN="true"
            echo "Running package watcher"
          else
            SHOULD_RUN="false"
            echo "Won't run package watcher"
          fi
          echo "SHOULD_RUN=${SHOULD_RUN}" >> "$GITHUB_ENV"
      - name: Checkout Code
        if: ${{ fromJSON(env.SHOULD_RUN) }}
        uses: actions/checkout@ec3a7ce113134d7a93b817d10a8272cb61118579
      - name: Compare image timestamps and notify
        if: ${{ fromJSON(env.SHOULD_RUN) }}
        env:
          WHEEL_SPEC: cp38-cp38-manylinux_2_24_x86_64
        run: |
          ./script/actions_utils/timestamp_check_compiler_package_update_container.sh \
          --compiler-release-endpoint-url \
          https://api.github.com/repos/zama-ai/homomorphizer/releases \
          --env_img_url \
          https://api.github.com/orgs/zama-ai/packages/container/concretefhe-env/versions \
          --file "${WHEEL_SPEC}" \
          --token ${{ secrets.BOT_TOKEN }} \
          --github-env "$GITHUB_ENV"
      - name: Open PR
        if: ${{ fromJSON(env.SHOULD_RUN) && env.LATEST_COMPILER_PACKAGE_TIMESTAMP != '' }}
        uses: peter-evans/create-pull-request@dcd5fd746d53dd8de555c0f10bca6c35628be47a
        id: cpr
        with:
          token: ${{ secrets.BOT_TOKEN }}
          commit-message: "chore(deps): bump compiler to ${{ env.LATEST_COMPILER_PACKAGE_TIMESTAMP }}"
          branch: chore/update-docker-env-compiler
          base: main
          title: "Docker env compiler update to ${{ env.LATEST_COMPILER_PACKAGE_TIMESTAMP }}"
          body: "Automatic PR for docker env compiler update"
          labels: dependencies
          delete-branch: true
      - name: Self approve PR to attempt auto merge
        if: ${{ fromJSON(env.SHOULD_RUN) && steps.cpr.outputs.pull-request-number != null }}
        uses: hmarr/auto-approve-action@6a9ec7556f0a7fa5b49527a1eea4878b8a22d2e0
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          pull-request-number: ${{ steps.cpr.outputs.pull-request-number }}
      - name: Enable auto-merge for PR
        if: ${{ fromJSON(env.SHOULD_RUN) && steps.cpr.outputs.pull-request-number != null }}
        uses: peter-evans/enable-pull-request-automerge@d2ede5636b3febc92809259995e643565e675aab
        with:
          token: ${{ secrets.BOT_TOKEN }}
          pull-request-number: ${{ steps.cpr.outputs.pull-request-number }}
          merge-method: rebase
      - name: Send Slack Notification
        if: ${{ always() && failure() }}
        continue-on-error: true
        uses: rtCamp/action-slack-notify@12e36fc18b0689399306c2e0b3e0f2978b7f1ee7
        env:
          SLACK_CHANNEL: ${{ secrets.SLACK_CHANNEL }}
          SLACK_ICON: https://pbs.twimg.com/profile_images/1274014582265298945/OjBKP9kn_400x400.png
          SLACK_COLOR: ${{ job.status }}
          SLACK_MESSAGE: "Package watcher finished with status ${{ job.status }} \
            (${{ env.ACTION_RUN_URL }})"
          SLACK_USERNAME: ${{ secrets.BOT_USERNAME }}
          SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK }}