# This workflow is responsible for building, testing & packaging the Java server codebase
name: Appsmith Server Workflow

on:
  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
      skip-tests:
        description: "This is a boolean value in case the workflow is being called in build deploy-preview"
        required: false
        type: string
        default: "false"
      branch:
        description: "This is the branch to be used for the build."
        required: false
        type: string

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

jobs:
  server-unit-tests:
    runs-on: ubuntu-latest-8-cores

    # Service containers to run with this job. Required for running tests
    services:
      # Label used to access the service container
      redis:
        # Docker Hub image for Redis
        image: redis
        ports:
          # Opens tcp port 6379 on the host and service container
          - 6379:6379

    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: Check out merged commit from PR and base branch
        uses: actions/checkout@v4
        if: inputs.pr != 0
        with:
          fetch-tags: true
          ref: refs/pull/${{ inputs.pr }}/merge

      # Check out the specified branch in case this workflow is called by another workflow
      - name: Checkout the specified branch
        if: inputs.pr == 0 && inputs.branch != ''
        uses: actions/checkout@v4
        with:
          fetch-tags: true
          ref: ${{ inputs.branch }}

      # Checkout the code in the current branch in case the workflow is called because of a branch push event
      - name: Check out the head commit of the branch
        uses: actions/checkout@v4
        if: inputs.pr == 0 && inputs.branch == ''
        with:
          fetch-tags: true

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

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

      # In case this is second attempt try restoring status of the prior attempt from cache
      - name: Restore the previous run result
        if: inputs.skip-tests != 'true'
        id: cache-appsmith
        uses: actions/cache@v3
        with:
          path: |
            ~/run_result
          key: ${{ github.run_id }}-${{ github.job }}-server-junit

      # Fetch prior run result
      - name: Get the previous run result
        id: run_result
        run: |
          if [ -f ~/run_result ]; then
            echo "run_result=$(cat ~/run_result)" >> $GITHUB_OUTPUT
          else
            echo "run_result=default" >> $GITHUB_OUTPUT
          fi

      - name: Download the failed test artifact in case of rerun
        if: steps.run_result.outputs.run_result == 'failedtest'
        uses: actions/download-artifact@v3
        with:
          name: failed-server-tests
          path: ~/failed-server-tests

      - name: Extract the tests for rerun
        id: failed_tests
        if: steps.run_result.outputs.run_result == 'failedtest'
        run: |
          failed_tests=$(awk '$0 != "" && !seen[$0]++ {printf("%s%s",sep,$0); sep=","}' ~/failed-server-tests/failed-server-tests.txt)
          echo "$failed_tests"
          echo "tests=$failed_tests" >> $GITHUB_OUTPUT

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

      # Setup Java
      - name: Set up JDK 17
        if: steps.run_result.outputs.run_result != 'success'
        uses: actions/setup-java@v3
        with:
          distribution: "temurin"
          java-version: "17"

      # Retrieve maven dependencies from cache. After a successful run, these dependencies are cached again
      - name: Cache maven dependencies
        if: steps.run_result.outputs.run_result != 'success'
        uses: actions/cache@v3
        env:
          cache-name: cache-maven-dependencies
        with:
          # maven dependencies are stored in `~/.m2` on Linux/macOS
          path: ~/.m2
          key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}
          restore-keys: ${{ runner.os }}-m2

      # Here, the GITHUB_REF is of type /refs/head/<branch_name>. We extract branch_name from this by removing the
      # first 11 characters. This can be used to build images for several branches
      # Since this is an unreleased build, we get the latest released version number, increment the minor number in it,
      # append a `-SNAPSHOT` at it's end to prepare the snapshot version number. This is used as the project's version.
      - name: Get the version to tag the Docker image
        if: steps.run_result.outputs.run_result != 'success'
        id: vars
        run: |
          # Since this is an unreleased build, we set the version to incremented version number with a
          # `-SNAPSHOT` suffix.
          latest_released_version="$(git ls-remote --tags --sort=-v:refname "$(git remote | head -1)" 'v*' | awk -F/ '{print $NF; exit}')"
          echo "latest_released_version = $latest_released_version"
          next_version="$(echo "$latest_released_version" | awk -F. -v OFS=. '{ $NF++; print }')"
          echo "next_version = $next_version"
          echo version=$next_version-SNAPSHOT >> $GITHUB_OUTPUT
          echo tag=$(echo ${GITHUB_REF:11}) >> $GITHUB_OUTPUT

      # Build the code
      - name: Build
        if: steps.run_result.outputs.run_result != 'success'
        env:
          ACTIVE_PROFILE: test
          APPSMITH_MONGODB_URI: "mongodb://localhost:27017/mobtools"
          APPSMITH_CLOUD_SERVICES_BASE_URL: "https://release-cs.appsmith.com"
          APPSMITH_CLOUD_SERVICES_TEMPLATE_UPLOAD_AUTH: ${{ secrets.APPSMITH_CLOUD_SERVICES_TEMPLATE_UPLOAD_AUTH }}
          APPSMITH_REDIS_URL: "redis://127.0.0.1:6379"
          APPSMITH_ENCRYPTION_PASSWORD: "password"
          APPSMITH_ENCRYPTION_SALT: "salt"
          APPSMITH_ENVFILE_PATH: /tmp/dummy.env
          APPSMITH_VERBOSE_LOGGING_ENABLED: false
        run: |
          mvn --batch-mode versions:set \
            -DnewVersion=${{ steps.vars.outputs.version }} \
            -DgenerateBackupPoms=false \
            -DprocessAllModules=true
          ./build.sh -DskipTests

      # Test the code
      - name: Run only tests
        if: inputs.skip-tests != 'true' || steps.run_result.outputs.run_result == 'failedtest'
        env:
          ACTIVE_PROFILE: test
          APPSMITH_MONGODB_URI: "mongodb://localhost:27017/mobtools"
          APPSMITH_CLOUD_SERVICES_BASE_URL: "https://release-cs.appsmith.com"
          APPSMITH_CLOUD_SERVICES_TEMPLATE_UPLOAD_AUTH: ${{ secrets.APPSMITH_CLOUD_SERVICES_TEMPLATE_UPLOAD_AUTH }}
          APPSMITH_REDIS_URL: "redis://127.0.0.1:6379"
          APPSMITH_ENCRYPTION_PASSWORD: "password"
          APPSMITH_ENCRYPTION_SALT: "salt"
          APPSMITH_ENVFILE_PATH: /tmp/dummy.env
          APPSMITH_VERBOSE_LOGGING_ENABLED: false
        run: |
          args=()
          if [[ "${{ steps.run_result.outputs.run_result }}" == "failedtest" ]]; then
            failed_tests="${{ steps.failed_tests.outputs.tests }}"
            args+=("-DfailIfNoTests=false" "-Dtest=${failed_tests}")
          fi
          args+=("-DtestResultFile=$PWD/failed-server-tests.txt")
          mvn test "${args[@]}"

      # Set status = failedtest
      - name: Set fail if there are test failures
        if: failure()
        run: |
          echo "run_result=failedtest" >> $GITHUB_OUTPUT
          echo "failedtest" > ~/run_result

      # Force store previous run result to cache
      - name: Store the previous run result
        if: failure()
        uses: actions/cache/save@v3
        with:
          path: |
            ~/run_result
          key: ${{ github.run_id }}-${{ github.job }}-server-junit

      - name: Upload the failed tests report
        if: always()
        uses: actions/upload-artifact@v3
        with:
          name: failed-server-tests
          path: app/server/failed-server-tests.txt
          if-no-files-found: ignore

      # Restore the previous built bundle if present. If not push the newly built into the cache
      - name: Restore the previous bundle
        uses: actions/cache@v3
        with:
          path: |
            app/server/dist/
          key: ${{ github.run_id }}-${{ github.job }}-server

      # Upload the build artifact so that it can be used by the test & deploy job in the workflow
      - name: Upload server build bundle
        uses: actions/upload-artifact@v3
        with:
          name: server-build
          path: app/server/dist/

      - name: Put release build in cache
        if: success() && github.ref == 'refs/heads/release' && (github.event_name == 'push' || github.event_name == 'workflow_dispatch')
        env:
          cachetoken: ${{ secrets.CACHETOKEN }}
          reponame: ${{ github.event.repository.name }}
          gituser: ${{ secrets.CACHE_GIT_USER }}
          gituseremail: ${{ secrets.CACHE_GIT_EMAIL }}
        run: |
          pwd
          tar -czvf server.jar dist/
          mkdir cacherepo
          cd ./cacherepo
          git config --global user.email "$gituseremail"
          git config --global user.name "$gituser"
          git clone https://$cachetoken@github.com/appsmithorg/cibuildcache.git
          git lfs install
          cd testcacherepo/
          if [ "$reponame" = "appsmith" ]; then export repodir="CE"; fi
          if [ "$reponame" = "appsmith-ee" ]; then export repodir="EE"; fi
          cd $repodir/release/server
          cp ../../../../../server.jar ./
          git lfs track "server.jar"
          git add  server.jar
          git commit -m "Update Latest Server.jar"
          git push

      - name: Save the status of the run
        run: echo "run_result=success" >> $GITHUB_OUTPUT > ~/run_result