name: Promtool check

on:
  pull_request:
    paths:
      - _data/**
  push:
    branches:
      - master
    paths:
      - _data/**

jobs:
  promtool-check:
    name: Check alert rules syntax
    runs-on: ubuntu-latest
    steps:
      - name: Checkout Repo
        uses: actions/checkout@v6

      - name: Set up Ruby
        uses: ruby/setup-ruby@v1
        with:
          ruby-version: 3.4

      - name: Set up yq
        uses: mikefarah/yq@v4

      - name: Install liquid
        run: gem install liquid-cli

      - name: Build rule configuration
        run: |
          cat _data/rules.yml | yq -I 0 -o json > _data/rules.json

          for service in $(cat _data/rules.json | jq -r '.groups[].services[] | @base64'); do
            subdir=test/rules/$(echo ${service} | base64 --decode | jq -r '.name | ascii_downcase | split(" ") | join("-")')
            mkdir -p "${subdir}"

            # groupName=$(echo "{% assign groupName = name | split: ' ' %}{% capture groupNameCamelcase %}{% for word in groupName %}{{ word | capitalize }} {% endfor %}{% endcapture %} {{ groupNameCamelcase | remove: ' ' | remove: '-' }}" | liquid $(echo ${service} | base64 --decode | jq -r '.name | ascii_downcase | split(" ") | join("-")'))

            for exporter in $(echo ${service} | base64 --decode | jq -r '.exporters[] | @base64'); do
              exporterName=$(echo ${exporter} | base64 --decode | jq -r '.slug')
              cat dist/template.yml | liquid "$(echo ${exporter} | base64 --decode)" > ${subdir}/${exporterName}.yml
              echo ${subdir}/${exporterName}.yml
            done
          done

          rm _data/rules.json

      - name: Check Prometheus alert rules
        uses: peimanja/promtool-github-actions@master
        with:
          promtool_actions_subcommand: 'rules'
          promtool_actions_files: 'test/rules/*/*.yml'
          promtool_actions_comment: true
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}