# This workflow is responsible for testing shared modules.
name: Test Shared Modules Workflow

on:
  # This line enables manual triggering of this workflow.
  workflow_dispatch:
  # A workflow can be called by another workflow
  workflow_call:
    inputs:
      pr:
        description: "This is the PR number in case the workflow is being called in a pull request"
        required: false
        type: number

  pull_request:
    branches: [release, master]
    paths:
      - "app/shared/**"

# Change the working directory for all the jobs in this workflow
defaults:
  run:
    working-directory: app/shared


jobs:
  test:
    runs-on: ubuntu-latest
    # Only run this workflow for internally triggered events
    if: |
      github.event.pull_request.head.repo.full_name == github.repository ||
      github.event_name == 'push' ||
      github.event_name == 'workflow_dispatch' ||
      github.event_name == 'repository_dispatch'
    
    steps:

      # Check out merge commit with the base branch in case this workflow is invoked via pull request
      - name: Checkout the merged commit from PR and base branch
        if: inputs.pr != 0
        uses: actions/checkout@v2
        with:
          fetch-depth: 0
          ref: refs/pull/${{ inputs.pr }}/merge

      # Checkout the code in the current branch in case the workflow is called because of a branch push event
      - name: Checkout the head commit of the branch
        if: inputs.pr == 0
        uses: actions/checkout@v2
        with:
          fetch-depth: 0
      
      # Logging some params
      - name: Figure out the PR number
        run: echo ${{ inputs.pr }}

      - name: Print the Github event
        run: echo ${{ github.event_name }}

      # Depot CLI helps building Docker images via Depot's remote builder infrastructure, faster.
      - name: Set up Depot CLI
        uses: depot/setup-action@v1

      # In case this is second attempt try restoring status of the prior attempt from cache
      - name: Restore the previous run result
        uses: actions/cache@v2
        with:
          path: |
            ~/run_result
          key: ${{ github.run_id }}-${{ github.job }}-shared-modules
      
      # Fetch prior run result
      - name: Get the previous run result
        id: run_result
        run: cat ~/run_result 2>/dev/null || echo 'default'

      # Incase of prior failure run the job
      - if: steps.run_result.outputs.run_result != 'success'
        run: echo "I'm alive!" && exit 0

      - name: Use Node.js 16.14.0
        if: steps.run_result.outputs.run_result != 'success'
        uses: actions/setup-node@v1
        with:
          node-version: "16.14.0"

      # Runs the test cases
      - name: Run the jest tests
        if: steps.run_result.outputs.run_result != 'success'
        run: REACT_APP_ENVIRONMENT=${{steps.vars.outputs.REACT_APP_ENVIRONMENT}} yarn run test:unit
      
      # Set status = success
      - run: echo "::set-output name=run_result::success" > ~/run_result