name: Update Documentation

on:
  workflow_dispatch:
    inputs:
      repository_url:
        description: 'Repository URL to test with'
        required: false
        default: ''
        type: string
      source_branch:
        description: 'Source branch for comparison'
        required: false
        default: 'master'
        type: string
      target_branch:
        description: 'Target branch for comparison'
        required: false
        default: 'master'
        type: string
      output_format:
        description: 'Output format for documentation'
        required: false
        default: '.md'
        type: choice
        options:
          - '.md'
          - '.rst'
  schedule:
    # Runs every Monday at 09:00 UTC
    - cron: '0 9 * * 1'

jobs:
  update-docs-action-usage:
    runs-on: ubuntu-latest
    permissions:
      contents: write
      pull-requests: write
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          fetch-depth: 0  # Required to access branch history

      # Determine branches based on context
      - name: Set branch variables
        id: set-branches
        run: |
          if [ "${{ github.event_name }}" = "pull_request" ]; then
            echo "source_branch=${{ github.head_ref }}" >> $GITHUB_OUTPUT
            echo "target_branch=${{ github.base_ref }}" >> $GITHUB_OUTPUT
          elif [ "${{ github.event.inputs.source_branch }}" != "" ] && [ "${{ github.event.inputs.target_branch }}" != "" ]; then
            echo "source_branch=${{ github.event.inputs.source_branch }}" >> $GITHUB_OUTPUT
            echo "target_branch=${{ github.event.inputs.target_branch }}" >> $GITHUB_OUTPUT
          else
            echo "source_branch=master" >> $GITHUB_OUTPUT
            echo "target_branch=master" >> $GITHUB_OUTPUT
          fi

      - name: Fetch CodeBoarding Documentation
        id: codeboarding
        uses: ./
        with:
          repository_url: ${{ github.event.inputs.repository_url }}
          source_branch: ${{ steps.set-branches.outputs.source_branch }}
          target_branch: ${{ steps.set-branches.outputs.target_branch }}
          output_directory: '.codeboarding'
          output_format: ${{ github.event.inputs.output_format || '.md' }}

      - name: Display Action Results
        run: |
          echo "Documentation files created: ${{ steps.codeboarding.outputs.markdown_files_created }}"
          echo "JSON files created: ${{ steps.codeboarding.outputs.json_files_created }}"
          echo "Documentation directory: ${{ steps.codeboarding.outputs.output_directory }}"
          echo "JSON directory: ${{ steps.codeboarding.outputs.json_directory }}"
          echo "Has changes: ${{ steps.codeboarding.outputs.has_changes }}"

      # Check if we have any changes to commit
      - name: Check for changes
        id: git-changes
        run: |
          if [ -n "$(git status --porcelain)" ]; then
            echo "has_git_changes=true" >> $GITHUB_OUTPUT
          else
            echo "has_git_changes=false" >> $GITHUB_OUTPUT
          fi

      - name: Create Pull Request
        if: steps.git-changes.outputs.has_git_changes == 'true' && steps.codeboarding.outputs.has_changes == 'true'
        uses: peter-evans/create-pull-request@v5
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          commit-message: "docs: update codeboarding documentation"
          title: "📚 CodeBoarding Documentation Update"
          body: |
            ## 📚 Documentation Update
            This PR contains updated documentation files fetched from the CodeBoarding service.
            ### 📊 Summary
            - **Documentation files created/updated**: ${{ steps.codeboarding.outputs.markdown_files_created }}
            - **JSON files created/updated**: ${{ steps.codeboarding.outputs.json_files_created }}
            - **Documentation directory**: `${{ steps.codeboarding.outputs.output_directory }}/`
            - **JSON directory**: `${{ steps.codeboarding.outputs.json_directory }}/`
            - **Output format**: `${{ github.event.inputs.output_format || '.md' }}`
            - **Repository analyzed**: `${{ steps.codeboarding.outputs.repo_url }}`
            
            🤖 This PR was automatically generated by the CodeBoarding documentation update workflow.
          branch: docs/codeboarding-update
          base: master
          delete-branch: true