name: CI

on:
    pull_request:

    push:
        branches: [main]
        paths:
            - "domains/*"
            - "tests/*"
            - "util/*"
            - ".github/workflows/ci.yml"
            - "dnsconfig.js"

    workflow_dispatch:

concurrency:
    group: ${{ github.ref }}-ci
    cancel-in-progress: true

jobs:
    tests:
        name: Tests
        runs-on: ubuntu-latest
        steps:
            - uses: actions/checkout@v4
              with:
                  ref: ${{ github.event.pull_request.head.sha }}
                  fetch-depth: 0

            - run: npm install

            - name: Get PR author
              if: github.event_name == 'pull_request'
              run: echo "PR_AUTHOR=${{ github.event.pull_request.user.login }}" >> $GITHUB_ENV

            - name: Get PR labels
              if: github.event_name == 'pull_request'
              run: |
                  LABELS=$(jq -c '[.pull_request.labels[].name]' <<< '${{ toJson(github.event) }}')
                  echo "PR_LABELS=$LABELS" >> $GITHUB_ENV

            - name: Get changed files
              if: github.event_name == 'pull_request'
              uses: actions/github-script@v6
              with:
                  script: |
                      const { execSync } = require("child_process")
                      const { commits } = context.payload.pull_request
                      const rawFiles = execSync(`git diff --name-only HEAD HEAD~${commits}`).toString()
                      const files = rawFiles.split("\n").filter(Boolean)
                      console.log(files)
                      const jsonArray = JSON.stringify(files)
                      core.exportVariable('CHANGED_FILES', jsonArray)

            - name: Run tests
              run: npx ava tests/*.test.js