name: Reopen and Update Stale Issues

on:
  workflow_dispatch:

jobs:
  reopen_stale_issues:
    runs-on: ubuntu-latest
    permissions:
      issues: write
      contents: read

    steps:
      - name: Checkout Repository
        uses: actions/checkout@v4

      - name: Fetch Closed Issues with lifecycle/stale Label
        id: fetch_issues
        uses: actions/github-script@v7
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            const issues = await github.paginate(github.rest.issues.listForRepo, {
              owner: context.repo.owner,
              repo: context.repo.repo,
              state: 'closed',
              labels: 'lifecycle/stale',
              per_page: 100
            });
            const issueNumbers = issues
              .filter(issue => !issue.pull_request) // exclude PR
              .map(issue => issue.number);
            console.log(`Fetched issues: ${issueNumbers}`);
            return issueNumbers;

      - name: Set issue numbers
        id: set_issue_numbers
        run: |
          echo "ISSUE_NUMBERS=${{ steps.fetch_issues.outputs.result }}" >> $GITHUB_ENV
          echo "Issue numbers: ${{ steps.fetch_issues.outputs.result }}"

      - name: Reopen Issues
        uses: actions/github-script@v7
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            const issueNumbers = JSON.parse(process.env.ISSUE_NUMBERS);
            console.log(`Reopening issues: ${issueNumbers}`);

            for (const issue_number of issueNumbers) {
              // Reopen the issue
              await github.rest.issues.update({
                owner: context.repo.owner,
                repo: context.repo.repo,
                issue_number: issue_number,
                state: 'open'
              });
              console.log(`Reopened issue #${issue_number}`);
            }

      - name: Remove lifecycle/stale Label
        uses: actions/github-script@v7
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            const issueNumbers = JSON.parse(process.env.ISSUE_NUMBERS);
            console.log(`Removing 'lifecycle/stale' label from issues: ${issueNumbers}`);

            for (const issue_number of issueNumbers) {
              // Remove the lifecycle/stale label
              await github.rest.issues.removeLabel({
                owner: context.repo.owner,
                repo: context.repo.repo,
                issue_number: issue_number,
                name: 'lifecycle/stale'
              });
              console.log(`Removed label 'lifecycle/stale' from issue #${issue_number}`);
            }