# Copyright 2021-2022 The OpenSSL Project Authors. All Rights Reserved.
#
# Licensed under the Apache License 2.0 (the "License").  You may not use
# this file except in compliance with the License.  You can obtain a copy
# in the file LICENSE in the source distribution or at
# https://www.openssl.org/source/license.html

name: FIPS Changed Label
on:
  workflow_run:
    workflows: ["FIPS Checksums"]
    types:
      - completed

permissions:
  contents: read

jobs:
  apply-label:
    permissions:
      actions: read
      pull-requests: write
    runs-on: ubuntu-latest
    if: ${{ github.event.workflow_run.event == 'pull_request' }}
    steps:
      - name: 'Download artifact'
        if: ${{ github.event.workflow_run.conclusion == 'success' }}
        uses: actions/github-script@v6
        with:
          script: |
            var artifacts = await github.rest.actions.listWorkflowRunArtifacts({
               owner: context.repo.owner,
               repo: context.repo.repo,
               run_id: ${{github.event.workflow_run.id }},
            });
            var matchArtifact = artifacts.data.artifacts.filter((artifact) => {
              return artifact.name == "fips_checksum"
            })[0];
            var download = await github.rest.actions.downloadArtifact({
               owner: context.repo.owner,
               repo: context.repo.repo,
               artifact_id: matchArtifact.id,
               archive_format: 'zip',
            });
            var fs = require('fs');
            fs.writeFileSync('${{github.workspace}}/artifact.zip', Buffer.from(download.data));
      - run: unzip artifact.zip
        if: ${{ github.event.workflow_run.conclusion == 'success' }}
      - name: 'Check artifact and apply'
        if: ${{ github.event.workflow_run.conclusion == 'success' }}
        uses: actions/github-script@v6
        with:
          github-token: ${{secrets.GITHUB_TOKEN}}
          script: |
            var fs = require('fs');
            var pr_num = Number(fs.readFileSync('./pr_num'));
            if ( fs.existsSync('./fips_changed') ) {
              github.rest.issues.addLabels({
                issue_number: pr_num,
                owner: context.repo.owner,
                repo: context.repo.repo,
                labels: ['severity: fips change']
              });
            } else if ( fs.existsSync('./fips_unchanged') ) {
              var labels = await github.rest.issues.listLabelsOnIssue({
                issue_number: pr_num,
                owner: context.repo.owner,
                repo: context.repo.repo
              });

              for ( var label in labels.data ) {
                if (labels.data[label].name == 'severity: fips change') {
                  github.rest.issues.removeLabel({
                    issue_number: pr_num,
                    owner: context.repo.owner,
                    repo: context.repo.repo,
                    name: 'severity: fips change'
                  });
                }
              }
            }