name: On demand build Docker image and deploy preview

on:
  # This workflow is only triggered by the `/build-deploy-preview` command dispatch
  repository_dispatch:
    types: [ build-deploy-preview-command ]

jobs:
  notify-job-details:
    runs-on: ubuntu-latest
    steps:
      # This step creates a comment on the PR with a link to this workflow run.
      - name: Add a comment on the PR with link to workflow run
        uses: peter-evans/create-or-update-comment@v2
        with:
          issue-number: ${{ github.event.client_payload.pull_request.number }}
          body: |
            Deploying Your Preview: <${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}>.
            Workflow: `${{ github.workflow }}`.
            PR: ${{ github.event.client_payload.pull_request.number }}.

  server-build:
    name: server-build
    uses: ./.github/workflows/server-build.yml
    secrets: inherit
    with:
      pr: ${{ github.event.client_payload.pull_request.number }}

  client-build:
    name: client-build
    uses: ./.github/workflows/client-build.yml
    secrets: inherit
    with:
      pr: ${{ github.event.client_payload.pull_request.number }}

  rts-build:
    name: rts-build
    uses: ./.github/workflows/rts-build.yml
    secrets: inherit
    with:
      pr: ${{ github.event.client_payload.pull_request.number }}

  push-image:
    needs: [client-build, rts-build, server-build]
    runs-on: ubuntu-latest

    if: success()

    steps:

      - name: Set up Depot CLI
        uses: depot/setup-action@v1

      # Check out merge commit
      - name: Checkout PR
        uses: actions/checkout@v3
        with:
          ref: "refs/pull/${{ github.event.client_payload.pull_request.number }}/merge"

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

      # get Git-hash will be used to create cache key
      - id: git_hash
        run: echo "git_hash=$(git rev-parse --short HEAD)" >> $GITHUB_OUTPUT

      - name: Download the react build artifact
        uses: actions/download-artifact@v3
        with:
          name: build
          path: app/client/build

      - name: Download the server build artifact
        uses: actions/download-artifact@v3
        with:
          name: build
          path: app/server/dist

      - name: Download the rts build artifact
        uses: actions/download-artifact@v3
        with:
          name: rts-dist
          path: app/rts/dist

      - name: Untar the rts folder
        run: |
          tar -xvf app/rts/dist/rts-dist.tar -C app/rts/
          echo "Cleaning up the tar files"
          rm app/rts/dist/rts-dist.tar

      - name: Push to Docker Hub
        uses: docker/build-push-action@v1
        with:
          username: ${{ secrets.DOCKER_HUB_USERNAME }}
          password: ${{ secrets.DOCKER_HUB_ACCESS_TOKEN }}
          repository: ${{ secrets.DOCKER_HUB_ORGANIZATION }}/appsmith-dp
          tags: ${{ github.event.client_payload.pull_request.number }}-ce
    outputs:
      imageHash: ${{ github.event.client_payload.pull_request.number }}-ce

  build-deploy-preview:
    needs: [push-image]
    runs-on: ubuntu-latest
    defaults:
      run:
        working-directory: "."

    if: success()
    steps:

      - name: Checkout PR
        uses: actions/checkout@v3
        with:
          ref: "refs/pull/${{ github.event.client_payload.pull_request.number }}/merge"
          fetch-depth: 0

      - name: Install relevant packages
        run: |
          which aws
          sudo apt update -q && sudo apt install -y curl unzip less jq
          curl -LO https://storage.googleapis.com/kubernetes-release/release/v1.23.6/bin/linux/amd64/kubectl && \
          sudo install -o root -g root -m 0755 kubectl /usr/local/bin/kubectl && \
          curl -fsSL -o get_helm.sh https://raw.githubusercontent.com/helm/helm/main/scripts/get-helm-3 && \
          chmod 700 get_helm.sh; ./get_helm.sh

      - name: Deploy Helm chart
        env:
          AWS_ROLE_ARN: ${{ secrets.APPSMITH_EKS_AWS_ROLE_ARN }}
          AWS_ACCESS_KEY_ID: ${{ secrets.APPSMITH_CI_AWS_SECRET_ACCESS_KEY_ID }}
          AWS_SECRET_ACCESS_KEY: ${{ secrets.APPSMITH_CI_AWS_SECRET_ACCESS_KEY }}
          IMAGE_HASH: ${{ needs.push-image.outputs.imageHash }}
          AWS_RELEASE_CERT: ${{ secrets.APPSMITH_AWS_RELEASE_CERT_RELEASE }}
          DOCKER_HUB_ORGANIZATION: ${{ secrets.DOCKER_HUB_ORGANIZATION }}
          DOCKER_HUB_USERNAME: ${{ secrets.DOCKER_HUB_USERNAME }}
          DOCKER_HUB_ACCESS_TOKEN: ${{ secrets.DOCKER_HUB_ACCESS_TOKEN }}
          PULL_REQUEST_NUMBER: ${{ github.event.client_payload.pull_request.number }}
        run: |
          echo "environment variables set to deploy the image" $IMAGE_HASH
          /bin/bash ./scripts/deploy_preview.sh

  notify-url:
    runs-on: ubuntu-latest
    steps:
      # This step creates a comment on the PR with a link to this workflow run.
      - name: Add a comment on the PR with link to workflow run
        uses: peter-evans/create-or-update-comment@v2
        with:
          issue-number: ${{ github.event.client_payload.pull_request.number }}
          body: |
            Deploy-Preview-URL: https://${{ github.event.client_payload.pull_request.number }}-ce.dp.appsmith.com