pr-auto-assign.yml

name: PR Auto Assignment and Labeling

on:
  pull_request:
    types: [opened, edited]

jobs:
  auto-assign-and-label:
    runs-on: ubuntu-latest
    permissions:
      pull-requests: write
      issues: write
    steps:
      - name: Get branch name
        id: branch
        run: echo "branch_name=${GITHUB_HEAD_REF}" >> $GITHUB_OUTPUT

      - name: Determine label based on branch prefix or author
        id: label
        run: |
          # Check if it's a Dependabot PR (using the PR author, not the workflow actor)
          if [[ "${{ github.event.pull_request.user.login }}" == "dependabot[bot]" ]]; then
            echo "label=dependencies" >> $GITHUB_OUTPUT
          # Check branch prefixes
          elif [[ "${{ github.head_ref }}" == feature/* ]] || [[ "${{ github.head_ref }}" == feat/* ]]; then
            echo "label=enhancement" >> $GITHUB_OUTPUT
          elif [[ "${{ github.head_ref }}" == fix/* ]]; then
            echo "label=fix" >> $GITHUB_OUTPUT
          elif [[ "${{ github.head_ref }}" == docs/* ]]; then
            echo "label=documentation" >> $GITHUB_OUTPUT
          else
            echo "label=" >> $GITHUB_OUTPUT
          fi

      - name: Add label to PR
        if: steps.label.outputs.label != ''
        uses: actions/github-script@v8
        with:
          script: |
            github.rest.issues.addLabels({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              labels: ['${{ steps.label.outputs.label }}']
            })

      - name: Assign reviewer and assignee
        uses: actions/github-script@v8
        with:
          script: |
            const assignee = 'baspa';
            const prAuthor = context.payload.pull_request.user.login;
            
            console.log(`PR Author: ${prAuthor}`);
            console.log(`Assignee: ${assignee}`);
            console.log(`Are they the same? ${prAuthor.toLowerCase() === assignee.toLowerCase()}`);
            
            // Always assign as assignee (you can be assigned to your own PR)
            github.rest.issues.addAssignees({
              owner: context.repo.owner,
              repo: context.repo.repo,
              issue_number: context.issue.number,
              assignees: [assignee]
            });
            console.log(`Assigned ${assignee} as assignee`);
            
            // Only assign reviewer if they are not the PR author (case-insensitive comparison)
            if (prAuthor.toLowerCase() !== assignee.toLowerCase()) {
              github.rest.pulls.requestReviewers({
                owner: context.repo.owner,
                repo: context.repo.repo,
                pull_number: context.issue.number,
                reviewers: [assignee]
              });
              console.log(`Assigned ${assignee} as reviewer`);
            } else {
              console.log(`Skipping reviewer assignment - ${assignee} is the PR author`);
            }