name: 'CI/CD Pipeline'

on:
  push:
    branches:
    - main
  pull_request:
  workflow_dispatch:

concurrency: 'staging'

defaults:
  run:
    shell: bash

jobs:

  test:
    name: Test
    runs-on: ubuntu-latest

    services:
      postgres:
        image: postgres:13.3
        env:
          POSTGRES_PASSWORD: password
          POSTGRES_USER: postgres
          POSTGRES_DB: data_collector
        ports:
          - 5432:5432
        # needed because the postgres container does not provide a healthcheck
        # tmpfs makes DB faster by using RAM
        options: >-
          --mount type=tmpfs,destination=/var/lib/postgresql/data
          --health-cmd pg_isready
          --health-interval 10s
          --health-timeout 5s
          --health-retries 5
    env:
      RAILS_ENV: test
      GEMFILE_RUBY_VERSION: 3.0.0
      DB_HOST: localhost
      DB_DATABASE: data_collector
      DB_USERNAME: postgres
      DB_PASSWORD: password

      # Rails verifies the time zone in DB is the same as the time zone of the Rails app
      TZ: "Europe/London"


    steps:
      - name: Checkout
        uses: actions/checkout@v2

      - name: Set up Ruby
        uses: ruby/setup-ruby@v1
        with:
          # runs 'bundle install' and caches installed gems automatically
          bundler-cache: true
      - name: Set up node
        uses: actions/setup-node@v2
        with:
          node-version: '14'

      - name: Create DB
        run: |
          bundle exec rake db:prepare

      - name: Compile Assets
        run: |
          bundle exec rake assets:precompile

      - name: Run tests
        run: |
          bundle exec rspec

  lint:
    name: Lint
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v2

      - name: Set up Ruby
        uses: ruby/setup-ruby@v1
        with:
          # runs 'bundle install' and caches installed gems automatically
          bundler-cache: true

      - name: Rubocop
        run: |
          bundle exec rubocop

  deploy:
    name: Deploy

    runs-on: ubuntu-latest
    environment: 'staging'
    if: github.ref == 'refs/heads/main'
    needs: [lint, test]

    steps:
    - name: Checkout code
      uses: actions/checkout@v2

    - name: Install cf client
      env:
        CF_CLI_VERSION: 7.0.0-beta.30
      run: |
        curl -L "https://packages.cloudfoundry.org/stable?release=linux64-binary&version=${CF_CLI_VERSION}" | tar -zx -C /tmp
        sudo cp /tmp/cf7 /usr/local/bin/cf7
    - name: Deploy
      env:
        CF_USERNAME: ${{ secrets.CF_USERNAME }}
        CF_PASSWORD: ${{ secrets.CF_PASSWORD }}
        CF_API_ENDPOINT: ${{ secrets.CF_API_ENDPOINT }}
        CF_SPACE: ${{ secrets.CF_SPACE }}
        CF_ORG: ${{ secrets.CF_ORG }}
        API_USER: ${{ secrets.API_USER }}
        API_KEY: ${{ secrets.API_KEY }}
        APP_NAME: dluhc-core-staging
        GOVUK_NOTIFY_API_KEY: ${{ secrets.GOVUK_NOTIFY_API_KEY }}
        APP_HOST: ${{ secrets.APP_HOST }}
        RAILS_MASTER_KEY: ${{ secrets.RAILS_MASTER_KEY }}
        IMPORT_PAAS_INSTANCE: ${{ secrets.IMPORT_PAAS_INSTANCE }}
        EXPORT_PAAS_INSTANCE: ${{ secrets.EXPORT_PAAS_INSTANCE }}
        SENTRY_DSN: ${{ secrets.SENTRY_DSN }}
      run: |
        cf7 api $CF_API_ENDPOINT
        cf7 auth
        cf7 target -o $CF_ORG -s $CF_SPACE
        cf7 set-env $APP_NAME API_USER $API_USER
        cf7 set-env $APP_NAME API_KEY $API_KEY
        cf7 set-env $APP_NAME GOVUK_NOTIFY_API_KEY $GOVUK_NOTIFY_API_KEY
        cf7 set-env $APP_NAME APP_HOST $APP_HOST
        cf7 set-env $APP_NAME RAILS_MASTER_KEY $RAILS_MASTER_KEY
        cf7 set-env $APP_NAME IMPORT_PAAS_INSTANCE $IMPORT_PAAS_INSTANCE
        cf7 set-env $APP_NAME EXPORT_PAAS_INSTANCE $EXPORT_PAAS_INSTANCE
        cf7 set-env $APP_NAME SENTRY_DSN $SENTRY_DSN
        cf7 push $APP_NAME --strategy rolling