name: "CI/CD publish"

on:
  pull_request:
    types: [closed]
    branches:
      - main

jobs:
  metadata:
    name: "Set CI/CD metadata"
    runs-on: ubuntu-latest
    if: github.event.pull_request.merged == true
    timeout-minutes: 1
    outputs:
      build_datetime: ${{ steps.variables.outputs.build_datetime }}
      build_timestamp: ${{ steps.variables.outputs.build_timestamp }}
      build_epoch: ${{ steps.variables.outputs.build_epoch }}
      nodejs_version: ${{ steps.variables.outputs.nodejs_version }}
      python_version: ${{ steps.variables.outputs.python_version }}
      terraform_version: ${{ steps.variables.outputs.terraform_version }}
      version: ${{ steps.variables.outputs.version }}
    steps:
      - name: "Checkout code"
        uses: actions/checkout@v4
      - name: "Set CI/CD variables"
        id: variables
        run: |
          datetime=$(date -u +'%Y-%m-%dT%H:%M:%S%z')
          echo "build_datetime=$datetime" >> $GITHUB_OUTPUT
          echo "build_timestamp=$(date --date=$datetime -u +'%Y%m%d%H%M%S')" >> $GITHUB_OUTPUT
          echo "build_epoch=$(date --date=$datetime -u +'%s')" >> $GITHUB_OUTPUT
          echo "nodejs_version=$(grep "^nodejs" .tool-versions | cut -f2 -d' ')" >> $GITHUB_OUTPUT
          echo "python_version=$(grep "^nodejs" .tool-versions | cut -f2 -d' ')" >> $GITHUB_OUTPUT
          echo "terraform_version=$(grep "^terraform" .tool-versions | cut -f2 -d' ')" >> $GITHUB_OUTPUT
          # TODO: Get the version, but it may not be the .version file as this should come from the CI/CD Pull Request Workflow
          echo "version=$(head -n 1 .version 2> /dev/null || echo unknown)" >> $GITHUB_OUTPUT
      - name: "List variables"
        run: |
          export BUILD_DATETIME="${{ steps.variables.outputs.build_datetime }}"
          export BUILD_TIMESTAMP="${{ steps.variables.outputs.build_timestamp }}"
          export BUILD_EPOCH="${{ steps.variables.outputs.build_epoch }}"
          export NODEJS_VERSION="${{ steps.variables.outputs.nodejs_version }}"
          export PYTHON_VERSION="${{ steps.variables.outputs.python_version }}"
          export TERRAFORM_VERSION="${{ steps.variables.outputs.terraform_version }}"
          export VERSION="${{ steps.variables.outputs.version }}"
          make list-variables
  publish:
    name: "Publish packages"
    runs-on: ubuntu-latest
    needs: [metadata]
    if: github.event.pull_request.merged == true
    timeout-minutes: 3
    steps:
      - name: "Checkout code"
        uses: actions/checkout@v4
      - name: "Get the artefacts"
        run: |
          echo "Getting the artefacts created by the build stage ..."
          # TODO: Use either action/cache or action/upload-artifact
      - name: "Create release"
        id: create_release
        uses: actions/create-release@v1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          tag_name: ${{ needs.metadata.outputs.version }}
          release_name: Release ${{ needs.metadata.outputs.version }}
          body: |
            Release of ${{ needs.metadata.outputs.version }}
          draft: false
          prerelease: false
      # - name: "Upload release asset"
      #   uses: actions/upload-release-asset@v1
      #   env:
      #     GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      #   with:
      #     upload_url: "${{ steps.create_release.outputs.upload_url }}"
      #     asset_path: ./*
      #     asset_name: repository-template-${{ needs.metadata.outputs.version }}.tar.gz
      #     asset_content_type: "application/gzip"
  success:
    name: "Success notification"
    runs-on: ubuntu-latest
    needs: [publish]
    steps:
      - name: "Check prerequisites for notification"
        id: check
        run: echo "secret_exist=${{ secrets.TEAMS_NOTIFICATION_WEBHOOK_URL != '' }}" >> $GITHUB_OUTPUT
      - name: "Notify on publishing packages"
        if: steps.check.outputs.secret_exist == 'true'
        uses: nhs-england-tools/notify-msteams-action@v0.0.4
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          teams-webhook-url: ${{ secrets.TEAMS_NOTIFICATION_WEBHOOK_URL }}
          message-title: "Notification title"
          message-text: "This is a notification body"
          link: ${{ github.event.pull_request.html_url }}