name: Label Issues with Links

on:
  issues:
    types: [opened, edited]

jobs:
  label-issues-with-links:
    runs-on: ubuntu-latest
    permissions:
      issues: write

    steps:
    - name: Check for Links and Label Issue
      uses: actions/github-script@v6
      with:
        github-token: ${{secrets.GITHUB_TOKEN}}
        script: |
          const issueBody = context.payload.issue.body;
          const issueNumber = context.issue.number;
          
          console.log(`Processing issue #${issueNumber}`);
          
          // Regular expression to match URLs
          const urlRegex = /https?:\/\/(www\.)?[-a-zA-Z0-9@:%._\+~#=]{1,256}\.[a-zA-Z0-9()]{1,6}\b([-a-zA-Z0-9()@:%_\+.~#?&//=]*)/gi;
          
          if (issueBody && urlRegex.test(issueBody)) {
            console.log('Link detected in the issue body');
            
            try {
              await github.rest.issues.addLabels({
                issue_number: issueNumber,
                owner: context.repo.owner,
                repo: context.repo.repo,
                labels: ['has-link']
              });
              console.log('Added "has-link" label to the issue');
            } catch (error) {
              if (error.status === 404) {
                console.log('Label "has-link" does not exist. Creating it...');
                await github.rest.issues.createLabel({
                  owner: context.repo.owner,
                  repo: context.repo.repo,
                  name: 'has-link',
                  color: '0366d6'  // You can change this color code as needed
                });
                
                await github.rest.issues.addLabels({
                  issue_number: issueNumber,
                  owner: context.repo.owner,
                  repo: context.repo.repo,
                  labels: ['has-link']
                });
                console.log('Created "has-link" label and added it to the issue');
              } else {
                console.error('Error adding label:', error);
              }
            }
          } else {
            console.log('No link detected in the issue body');
            
            // Check if the label exists and remove it if it does
            try {
              const labels = await github.rest.issues.listLabelsOnIssue({
                issue_number: issueNumber,
                owner: context.repo.owner,
                repo: context.repo.repo
              });
              
              if (labels.data.some(label => label.name === 'has-link')) {
                await github.rest.issues.removeLabel({
                  issue_number: issueNumber,
                  owner: context.repo.owner,
                  repo: context.repo.repo,
                  name: 'has-link'
                });
                console.log('Removed "has-link" label from the issue');
              }
            } catch (error) {
              console.error('Error checking or removing label:', error);
            }
          }