name: Specification version check

on:
  schedule:
    - cron: '0 13 * * *'
  workflow_dispatch:

jobs:
  check-spec-version:
    name: Open an issue when spec version bumps
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v2
    - uses: actions/setup-python@v2
    - name: Get supported version
      id: get-version
      run: |
        python3 -m pip install -e .
        script="from tuf.api.metadata import SPECIFICATION_VERSION; \
                print(f\"v{'.'.join(SPECIFICATION_VERSION)}\")"
        ver=$(python3 -c "$script")
        echo "::set-output name=version::$ver"
    - name: Open issue (if needed)
      uses: actions/github-script@v5
      with:
        script: |
          const release = await github.rest.repos.getLatestRelease({
            owner: "theupdateframework",
            repo: "specification"
          });
          const spec_version = release.data.tag_name
          const supported_version = "${{ steps.get-version.outputs.version }}"
          if (spec_version != supported_version) {
            console.log("Specification version does not match...")
            const repo = context.repo.owner + "/" + context.repo.repo
            const issues = await github.rest.search.issuesAndPullRequests({
              q: "specification+has+new+version+in:title+state:open+type:issue:" + repo,
            })
            if (issues.data.total_count > 0) {
              console.log("Issue is already open, not creating.")
            } else {
              console.log("Creating a new issue...")
              await github.rest.issues.create({
                owner: context.repo.owner,
                repo: context.repo.repo,
                title: "specification has new version",
                body: "It seems specification " +
                      "(https://github.com/theupdateframework/specification/blob/master/tuf-spec.md) " +
                      "has new version. \n" +
                      "Please review the version."
              })
            }
          } else {
            console.log("Spec version and supported version match")
          }