name: PR Title Check

on:
  pull_request:
    branches:
      - main
    types: [opened, edited, synchronize, reopened]

jobs:
  check-pr-title:
    runs-on: ubuntu-latest
    steps:
      - name: Check PR Title Format
        uses: amannn/action-semantic-pull-request@v6.1.1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          # Configure allowed types based on your requirements
          types: |
            feat
            fix
            docs
            ci
            refactor
            test
            chore
            perf
            style
            build
            revert
          # Require a scope (the part in parentheses)
          requireScope: false
          # Scope pattern: only lowercase letters, numbers, hyphens, and underscores allowed
          scopePattern: ^[a-z0-9_-]+$
          scopePatternError: |
            The scope (text in parentheses) must contain only lowercase letters, numbers, hyphens, and underscores.
            Example: "feat(memory): add redis cache support"
            Invalid: "feat(Memory): ..." or "feat(MEMORY): ..."
          # Subject (description) must not be empty and must be lowercase
          subjectPattern: ^(?![A-Z]).+$
          subjectPatternError: |
            The subject (description after colon) must start with a lowercase letter.
            Example: "feat(memory): add redis cache support"
          # Validate the entire PR title against the Conventional Commits spec
          validateSingleCommit: false
          # Ignore merge commits
          ignoreLabels: |
            ignore-semantic-pull-request