name: Checklist

on:
  pull_request:
    types: [opened, edited, labeled, unlabeled, ]

jobs:
  changelog:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: actions/github-script@v7
        with:
          script: |
            const fs = require('fs');
            const path = 'CHANGELOG.md';
            const changelog = fs.readFileSync(path, 'utf8');

            // Check for 'UNRELEASED'
            if (changelog.includes('UNRELEASED')) {
              throw new Error('Changelog contains "UNRELEASED"');
            }
            
            // Check each line that starts with '##' for the version & date format
            const lines = changelog.split('\n');
            for (const line of lines) {
              if (line.startsWith('## ')) {
                // Expected format: '## [X.Y.Z] - YYYY-MM-DD'
                const pattern = !/^\d+\.\d+\.\d+ - \d{4}-\d{2}-\d{2}$/;
                if (pattern.test(line)) {
                  throw new Error(`Invalid version/date format: ${line}`);
                }
              }
            }
            
  draft:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: actions/github-script@v7
        with:
          script: |
            const forbiddenLabels = ['draft'];
            let labels = context.payload.pull_request.labels;

            if (labels.some(l => forbiddenLabels.includes(l.name))) {
              throw new Error(`Forbidden labels detected: ${forbiddenLabels.join(', ')}`);
            }