name: "CI/CD deploy"

on:
  workflow_dispatch:
    inputs:
      tag:
        description: "This is the tag that is oging to be deployed"
        required: true
        default: "latest"

jobs:
  metadata:
    name: "Set CI/CD metadata"
    runs-on: ubuntu-latest
    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 }}
      tag: ${{ steps.variables.outputs.tag }}
    steps:
      - name: "Checkout code"
        uses: actions/checkout@v4
      - name: "Set CI/CD variables"
        id: variables
        run: |
          datetime=$(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)" >> $GITHUB_OUTPUT
          echo "tag=${{ github.event.inputs.tag }}" >> $GITHUB_OUTPUT
      - name: "List variables"
        run: |
          export BUILD_DATETIME="${{ 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 }}"
          export TAG="${{ steps.variables.outputs.tag }}"
          make list-variables
  deploy:
    name: "Deploy to an environment"
    runs-on: ubuntu-latest
    needs: [metadata]
    timeout-minutes: 10
    steps:
      - name: "Checkout code"
        uses: actions/checkout@v4
  # TODO: More jobs or/and steps here
  # success:
  #   name: "Success notification"
  #   runs-on: ubuntu-latest
  #   needs: [deploy]
  #   steps:
  #     - name: "Check prerequisites for notification"
  #       id: check
  #       run: echo "secret_exist=${{ secrets.TEAMS_NOTIFICATION_WEBHOOK_URL != '' }}" >> $GITHUB_OUTPUT
  #     - name: "Notify on deployment to an environment"
  #       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 }}