apply-library-repo-templates.yml

name: Apply Library Repo Templates and Create PR

on:
  workflow_dispatch:
    inputs:
      template_type:
        description: 'Select the type of template to apply to the target repository.'
        default: 'Generated Connector Template (Standard)'
        type: choice
        options:
          - Generated Connector Template (Standard)
      target_repo:
        description: 'The repository where the selected template will be applied.'
        required: true
        example: 'module-ballerinax-openai.chat'
      module_name:
        description: 'The module name as defined in the Ballerina.toml file.'
        required: true
        example: 'openai.chat'
      ballerina_version:
        description: 'The Ballerina version that the library should be compatible with.'
        required: true
        example: '2201.9.0'
      module_version:
        description: 'The version number of the library module.'
        required: true
        default: '0.1.0'
        example: '1.0.0'
      target_branch:
        description: 'The branch in the target repository where changes will be applied.'
        required: false
        default: 'main'
      library_name:
        description: 'A descriptive name for the library, used in the documentation. If not provided, the module name will be used instead.'
        required: false
        example: 'OpenAI Chat'
        default: ''

jobs:
  apply_templates:
    runs-on: ubuntu-latest
    steps:
      - name: Print Inputs
        run: |
          echo "Template Type: ${{ github.event.inputs.template_type }}"
          echo "Target Repository: ${{ github.event.inputs.target_repo }}"
          echo "Module Name: ${{ github.event.inputs.module_name }}"
          echo "Ballerina Version: ${{ github.event.inputs.ballerina_version }}"
          echo "Module Version: ${{ github.event.inputs.module_version }}"
          echo "Target Branch: ${{ github.event.inputs.target_branch }}"
          echo "Library Name: ${{ github.event.inputs.library_name }}"
      - name: Checkout template repository
        uses: actions/checkout@v3
        with:
          path: template-repo

      - name: Fork the target repository
        run: gh repo fork ballerina-platform/${{ github.event.inputs.target_repo }} --remote
        env:
          GH_TOKEN: ${{ secrets.BALLERINA_BOT_TOKEN }}

      - name: Checkout target repository
        uses: actions/checkout@v3
        with:
          repository: ballerina-bot/${{ github.event.inputs.target_repo }}
          path: target-repo
          token: ${{ secrets.BALLERINA_BOT_TOKEN }}

      - name: Setup Ballerina
        uses: ballerina-platform/setup-ballerina@v1.1.0
        with:
          version: latest

      - name: Apply templates and replace placeholders
        if: ${{ github.event.inputs.template_type }} == 'Generated Connector Template (Standard)'
        run: |
          cp -r template-repo/library-templates/generated-connector-template/files/. target-repo/
          cd template-repo/library-templates/generated-connector-template/scripts/
          bal run replace_placeholders.bal -- ../../../../target-repo/ ${{ github.event.inputs.module_name }} ${{ github.event.inputs.target_repo }} ${{ github.event.inputs.module_version }} ${{ github.event.inputs.ballerina_version }} "${{ github.event.inputs.library_name }}"
          cd ../../../../target-repo
          git config user.name "ballerina-bot"
          git config user.email "ballerina-bot@ballerina.org"
          git checkout -b apply-templates-${{ github.run_number }}
          git add .
          git commit -m "Apply library repo template"
          git push origin apply-templates-${{ github.run_number }}

      - name: Create Pull Request
        env:
          GITHUB_TOKEN: ${{ secrets.BALLERINA_BOT_TOKEN }}
        working-directory: ./target-repo
        run: |
          gh pr create \
            --repo ballerina-platform/${{ github.event.inputs.target_repo }} \
            --base ${{ github.event.inputs.target_branch }} \
            --title "Add ${{ github.event.inputs.template_type }}" \
            --body "This PR applies ${{ github.event.inputs.template_type }} template to this repository."