#/
# @license Apache-2.0
#
# Copyright (c) 2021 The Stdlib Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#/

# Workflow name:
name: linux_test

# Workflow triggers:
on:
  # Run nightly:
  schedule:
    - cron: '0 9 * * *'

  # Allow the workflow to be manually run:
  workflow_dispatch:

# Workflow concurrency group:
concurrency:

  # Specify a group name:
  group: ${{ github.workflow }}

  # Specify whether to cancel any currently running workflow in the same concurrency group:
  cancel-in-progress: true

# Global permissions:
permissions:
  # Allow read-only access to the repository contents:
  contents: read

# Workflow jobs:
jobs:

  # Define a job for running unit tests on Linux...
  test:

    # Define a display name:
    name: "Node.js v${{ matrix.NODE_VERSION }}"

    # Ensure the job does not run on forks:
    if: github.repository == 'stdlib-js/stdlib'

    # Define the type of virtual host machine:
    runs-on: ${{ matrix.OS }}

    # Define environment variables:
    env:
      FC: 'gfortran'
      FORTRAN_COMPILER: 'gfortran'
      CC: 'gcc'
      C_COMPILER: 'gcc'
      CXX: 'g++'
      CXX_COMPILER: 'g++'
      LINKER: 'g++'
      GITHUB: 'true'
      DISPLAY: ':99'
      LOG_DIR: "${{ github.workspace }}/tmp/var/log"
      LOG_FILE_INSTALL: "${{ github.workspace }}/tmp/var/log/install.log"
      LOG_FILE_BUILD_TASK: "${{ github.workspace }}/tmp/var/log/${{ matrix.BUILD_TASK }}.log"
      LOG_NUM_LINES: 5000

    # Define the build matrix strategy...
    strategy:

      # Specify whether to cancel all in-progress jobs if any matrix job fails:
      fail-fast: false

      # Define the build matrix:
      matrix:

        # Define the list of build tasks:
        BUILD_TASK: ['test']

        # Define the list of Node.js versions on which to run this job:
        # NODE_VERSION: ['16', '14', '12', '10', '8', '6', '4', '0.12', '0.10']
        NODE_VERSION: ['16', '14', '12']

        # Define the list of operating systems on which to run this job:
        OS: ['ubuntu-latest']

        # Define configuration options for each Node.js version:
        include:
          - OS: 'ubuntu-latest'
            PLATFORM: 'linux'

          - NODE_VERSION: '16'
            NPM_VERSION: '>2.7.0'

          - NODE_VERSION: '14'
            NPM_VERSION: '>2.7.0'

          - NODE_VERSION: '12'
            NPM_VERSION: '>2.7.0'

          # - NODE_VERSION: '10'
          #   NPM_VERSION: '>2.7.0 <7.0.0'

          # - NODE_VERSION: '8'
          #   NPM_VERSION: '>2.7.0 <6.0.0'

          # - NODE_VERSION: '6'
          #   NPM_VERSION: '>2.7.0 <6.0.0'

          # - NODE_VERSION: '4'
          #   NPM_VERSION: '>2.7.0 <6.0.0'

          # - NODE_VERSION: '0.12'
          #   NPM_VERSION: '>2.7.0 <4.0.0'

          # - NODE_VERSION: '0.10'
          #   NPM_VERSION: '>2.7.0 <4.0.0'

    # Set defaults:
    defaults:
      run:
        # Set the default shell to `bash`:
        shell: bash --noprofile --norc -eo pipefail {0}

    # Define the sequence of job steps...
    steps:

      # Checkout the repository:
      - name: 'Checkout repository'
        # Pin action to full length commit SHA
        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
        with:
          # Specify whether to remove untracked files before checking out the repository:
          clean: false

          # Limit clone depth to the most recent 100 commits:
          fetch-depth: 100

          # Specify whether to download Git-LFS files:
          lfs: false
        timeout-minutes: 10

      # Initialize log files:
      - name: 'Initialize log files'
        run: |
          mkdir -p "${{ env.LOG_DIR }}"
          touch "${{ env.LOG_FILE_INSTALL }}"
          touch "${{ env.LOG_FILE_BUILD_TASK }}"
        timeout-minutes: 2

      # Install compilers:
      - name: 'Install compilers'
        run: |
          sudo -E apt-add-repository -y "ppa:ubuntu-toolchain-r/test"
          sudo -E apt-get update -q
          sudo -E apt-get -yq --no-install-suggests --no-install-recommends --allow-downgrades --allow-remove-essential --allow-change-held-packages install binutils gcc-9 gcc-9-multilib g++-9 g++-9-multilib gfortran-9 gfortran-9-multilib
          mkdir -p $HOME/bin
          echo "$HOME/bin" >> $GITHUB_PATH
          ln -s /usr/bin/gcc-9 $HOME/bin/gcc
          ln -s /usr/bin/g++-9 $HOME/bin/g++
          ln -s /usr/bin/gfortran-9 $HOME/bin/gfortran
        timeout-minutes: 10

      # Configure a virtual display server (needed for electron):
      - name: 'Configure virtual display server'
        run: |
          sudo apt-get install -y xvfb libxkbcommon-x11-0 libxcb-icccm4 libxcb-image0 libxcb-keysyms1 libxcb-randr0 libxcb-render-util0 libxcb-xinerama0 libxcb-xinput0 libxcb-xfixes0
          sudo /usr/bin/Xvfb "${{ env.DISPLAY }}" -screen 0 1280x768x24 > /dev/null 2>&1 &
        timeout-minutes: 10

      # Install Node.js:
      - name: 'Install Node.js'
        # Pin action to full length commit SHA
        uses: actions/setup-node@6044e13b5dc448c55e2357c09f80417699197238 # v6.2.0
        with:
          node-version: ${{ matrix.NODE_VERSION }}
        timeout-minutes: 5

      # Print debug info:
      - name: 'Print debug info'
        run: |
          echo 'PATH:'
          echo $PATH
          echo ''
          echo 'gcc:'
          gcc --version
          echo ''
          echo 'g++:'
          g++ --version
          echo ''
          echo 'gfortran:'
          gfortran --version
          echo ''
          echo 'Git:'
          git --version
          echo ''
          echo 'Node.js:'
          file $(which node)
          node --version
          node -p 'process.platform + "@" + process.arch'
          echo ''
          echo 'npm:'
          npm --version
          npm config get registry
        timeout-minutes: 2

      # Update the npm client (older clients cannot handle scoped modules):
      - name: 'Update npm'
        run: |
          npm install -g npm@"${{ matrix.NPM_VERSION }}"
          npm --version
        timeout-minutes: 5

      # Perform install sequence:
      - name: 'Perform install sequence'
        run: |
          . "$GITHUB_WORKSPACE/.github/workflows/scripts/common/task_runner" install "${{ env.LOG_FILE_INSTALL }}"
        timeout-minutes: 30

      # View the log file if the previous step fails:
      - name: 'View log file'
        if: failure()
        run: |
          echo "Printing the last ${{ env.LOG_NUM_LINES }} lines of log output..."
          tail -${{ env.LOG_NUM_LINES }} "${{ env.LOG_FILE_INSTALL }}"
        timeout-minutes: 5

      # Run the build task:
      - name: 'Run build task'
        run: |
          . "$GITHUB_WORKSPACE/.github/workflows/scripts/common/task_runner" ${{ matrix.BUILD_TASK }} "${{ env.LOG_FILE_BUILD_TASK }}"
        timeout-minutes: 360

      # View the log file if the previous step fails:
      - name: 'View log file'
        if: failure()
        run: |
          echo "Printing the last ${{ env.LOG_NUM_LINES }} lines of log output..."
          tail -${{ env.LOG_NUM_LINES }} "${{ env.LOG_FILE_BUILD_TASK }}"
        timeout-minutes: 5

      # Upload the log file:
      - name: 'Upload log file'
        # Pin action to full length commit SHA
        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
        if: always()
        with:
          # Define a name for the uploaded artifact (ensuring a unique name for each job):
          name: ${{ matrix.BUILD_TASK }}_log_nodejs_v${{ matrix.NODE_VERSION }}_${{ matrix.PLATFORM }}

          # Specify the path to the file to upload:
          path: ${{ env.LOG_FILE_BUILD_TASK }}

          # Specify the number of days to retain the artifact (default is 90 days):
          retention-days: 5
        timeout-minutes: 10

  # Define a job for sending notifications to Zulip...
  zulip:

    # Define a display name:
    name: 'Zulip notification'

    # Define the type of virtual host machine:
    runs-on: 'ubuntu-latest'

    # Indicate that this job depends on the prior job finishing:
    needs: test

    # Run this job regardless of the outcome of the prior job:
    if: success() || failure()

    # Set defaults:
    defaults:
      run:
        # Set the default shell to `bash`:
        shell: bash --noprofile --norc -eo pipefail {0}

    # Define the sequence of job steps...
    steps:

      # Resolve notification data:
      - name: 'Resolve notification data'
        run: |
          if [[ "${{ needs.test.result }}" = "success" ]]; then
            echo 'NOTIFICATION_ICON=:check:' >> $GITHUB_ENV
            echo 'NOTIFICATION_STATUS=succeeded' >> $GITHUB_ENV
          elif [[ "${{ needs.test.result }}" = "failure" ]]; then
            echo 'NOTIFICATION_ICON=:cross_mark:' >> $GITHUB_ENV
            echo 'NOTIFICATION_STATUS=failed' >> $GITHUB_ENV
          elif [[ "${{ needs.test.result }}" = "cancelled" ]]; then
            echo 'NOTIFICATION_ICON=:warning:' >> $GITHUB_ENV
            echo 'NOTIFICATION_STATUS=was canceled' >> $GITHUB_ENV
          else
            exit 1
          fi
        timeout-minutes: 5

      # Send notification to Zulip:
      - name: 'Send notification'
        # Pin action to full length commit SHA
        uses: zulip/github-actions-zulip/send-message@e4c8f27c732ba9bd98ac6be0583096dea82feea5 # v1.0.2
        if: success()
        with:
          api-key: ${{ secrets.ZULIP_API_KEY }}
          email: 'github-actions-bot@stdlib.zulipchat.com'
          organization-url: 'https://stdlib.zulipchat.com'
          to: 'workflows'
          type: 'stream'
          topic: 'linux-test'
          content: |
            ${{ env.NOTIFICATION_ICON }} **test** workflow ${{ env.NOTIFICATION_STATUS }} (linux)

            **Run:** [View workflow run](${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }})
        timeout-minutes: 5