name: Appsmith Client Build Workflow

on:
  # This line enables manual triggering of this workflow.
  workflow_dispatch:
  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/client/**"
      - "!app/client/cypress/manual_TestSuite/**"

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

jobs:
  build:
    runs-on: buildjet-8vcpu-ubuntu-2004
    # 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'
    defaults:
      run:
        working-directory: app/client
        shell: bash

    steps:
      # The checkout steps MUST happen first because the default directory is set according to the code base.
      # Github Action expects all future commands to be executed in the code directory. Hence, we need to check out
      # the code before doing anything else.

      # 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

      - name: Figure out the PR number
        run: echo ${{ inputs.pr }}

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

      # Timestamp will be used to create cache key
      - id: timestamp
        run: echo "::set-output name=timestamp::$(date +'%Y-%m-%dT%H:%M:%S')"

      # 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 }}-${{ steps.timestamp.outputs.timestamp }}
          restore-keys: |
            ${{ github.run_id }}-${{ github.job }}-

      # 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"

      - name: Get yarn cache directory path
        if: steps.run_result.outputs.run_result != 'success'
        id: yarn-dep-cache-dir-path
        run: echo "::set-output name=dir::$(yarn cache dir)"

      # Retrieve npm dependencies from cache. After a successful run, these dependencies are cached again
      - name: Cache npm dependencies
        if: steps.run_result.outputs.run_result != 'success'
        id: yarn-dep-cache
        uses: actions/cache@v2
        env:
          cache-name: client-cache-yarn-dependencies
        with:
          path: |
            ${{ steps.yarn-dep-cache-dir-path.outputs.dir }}
          key: ${{ runner.os }}-yarn-dep-${{ hashFiles('**/yarn.lock') }}
          restore-keys: |
            ${{ runner.os }}-yarn-dep-

      # Install all the dependencies
      - name: Install dependencies
        if: steps.run_result.outputs.run_result != 'success'
        run: yarn install --frozen-lockfile

      - name: Set the build environment based on the branch
        if: steps.run_result.outputs.run_result != 'success'
        id: vars
        run: |
          echo "::set-output name=REACT_APP_ENVIRONMENT::DEVELOPMENT"
          if [[ "${{github.ref}}" == "refs/heads/master" ]]; then
              echo "::set-output name=REACT_APP_ENVIRONMENT::PRODUCTION"
          fi
          if [[ "${{github.ref}}" == "refs/heads/release" ]]; then
              echo "::set-output name=REACT_APP_ENVIRONMENT::STAGING"
          fi
          # Since this is an unreleased build, we set the version to incremented version number with
          # a `-SNAPSHOT` suffix.
          latest_released_version="$(git tag --list 'v*' --sort=-version:refname | head -1)"
          echo "latest_released_version = $latest_released_version"
          next_version="$(echo "$latest_released_version" | awk -F. -v OFS=. '{ $NF++; print }')"
          echo "next_version = $next_version"
          echo ::set-output name=version::$next_version-SNAPSHOT

      # Run the Jest tests only if the workflow has been invoked in a PR and the previous re-run has failed
      - name: Run the jest tests
        if: steps.run_result.outputs.run_result != 'success' && inputs.pr != 0
        run: REACT_APP_ENVIRONMENT=${{steps.vars.outputs.REACT_APP_ENVIRONMENT}} yarn run test:unit

      # We burn React environment & the Segment analytics key into the build itself.
      # This is to ensure that we don't need to configure it in each installation
      - name: Create the bundle
        run: |
          REACT_APP_ENVIRONMENT=${{steps.vars.outputs.REACT_APP_ENVIRONMENT}} \
            REACT_APP_FUSIONCHARTS_LICENSE_KEY=${{ secrets.APPSMITH_FUSIONCHARTS_LICENSE_KEY }} \
            REACT_APP_SEGMENT_CE_KEY=${{ secrets.APPSMITH_SEGMENT_CE_KEY }} \
            SENTRY_AUTH_TOKEN=${{ secrets.SENTRY_AUTH_TOKEN }} \
            REACT_APP_VERSION_ID=${{ steps.vars.outputs.version }} \
            REACT_APP_VERSION_RELEASE_DATE=$(date -u '+%Y-%m-%dT%H:%M:%SZ') \
            REACT_APP_VERSION_EDITION="Community" \
            yarn build

      # Restore the previous built bundle if present. If not push the newly built into the cache
      - name: Restore the previous bundle
        uses: actions/cache@v2
        with:
          path: |
            app/client/build/
          key: ${{ github.run_id }}-${{ github.job }}-${{ steps.timestamp.outputs.timestamp }}
          restore-keys: |
            ${{ github.run_id }}-${{ github.job }}

      # Upload the build artifact so that it can be used by the test & deploy job in the workflow
      - name: Upload react build bundle
        uses: actions/upload-artifact@v2
        with:
          name: build
          path: app/client/build/

      # Set status = success
      - run: echo "::set-output name=run_result::success" > ~/run_result