name: 'PR Review Reminder'

on:
  pull_request:
    types: ['opened', 'ready_for_review']

permissions:
  pull-requests: write

jobs:
  checkPRs:
    if: ${{ github.event.pull_request.user.login }} && github.event.action == ('opened' || 'ready_for_review')
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 2
      - name: Set up Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '18'
          cache: npm

      - name: Install Octokit
        run: npm install @octokit/rest@18

      - name: Check user's PRs awaiting review
        id: parse-prs
        uses: actions/github-script@v5
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            const { Octokit } = require("@octokit/rest");
            const octokit = new Octokit({ auth: process.env.GITHUB_TOKEN });

            const username = context.payload.pull_request.user.login;
            console.log(`Username Extracted: ${username}`);

            const { data: pullRequests } = await octokit.pulls.list({
              owner: context.repo.owner,
              repo: context.repo.repo,
              state: 'open',
              sort: 'created',
              direction: 'asc',
            });

            const userPullRequests = pullRequests.filter(pr => pr.user.login === username && (pr.state === 'open' || pr.state === 'ready_for_review'));
            const prCount = userPullRequests.length;
            console.log(`PR Count for ${username}: ${prCount}`);

            if (prCount > 3) {
              let prReminderMessage = `🚨 @${username} has ${prCount} pull requests awaiting review. Please consider reviewing them when possible. 🚨`;

              await octokit.request('POST /repos/{owner}/{repo}/issues/{issue_number}/comments', {
                owner: context.repo.owner,
                repo: context.repo.repo,
                issue_number: context.payload.pull_request.number,
                body: prReminderMessage,
                headers: {
                  'Authorization': `token ${{ secrets.GITHUB_TOKEN }}`,
                }
              });
            }