name: linux-ci

on:
  workflow_dispatch:
  push:
    branches:
      - main
    paths:
      - "src/**"
      - "test/**"
      - "render-test/**"
      - "expression-test/**"
      - "include/**"
      - ".github/workflows/linux-ci.yml"
      - "vendor/**"
      - "CMakeLists.txt"
      - metrics/linux-gcc8-release-style.json

  pull_request:
    branches:
      - main
    paths:
      - "src/**"
      - "test/**"
      - "render-test/**"
      - "expression-test/**"
      - "include/**"
      - ".github/workflows/linux-ci.yml"
      - "vendor/**"
      - "CMakeLists.txt"
      - metrics/linux-gcc8-release-style.json

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  # INFO: We are cancelling the concurrency group if the change is on PR. For workflow dispatch, this will not work.
  cancel-in-progress: ${{ github.ref != 'refs/heads/main' }}

jobs:
  build:
    runs-on: ubuntu-22.04
    steps:
      - uses: actions/checkout@v3
        with:
          submodules: recursive
          fetch-depth: 0

      - uses: hendrikmuhs/ccache-action@v1.2

      - name: Get latest CMake and Ninja
        uses: lukka/get-cmake@latest
        with:
          cmakeVersion: 3.24.1
          ninjaVersion: latest

      - name: Install dependencies
        run: |
          sudo apt-get update
          sudo apt-get install -y \
            libcurl4-openssl-dev \
            libuv1-dev \
            libjpeg-dev \
            libpng-dev \
            libglfw3-dev

      - name: Build MapLibre Native Core
        run: |
          cmake --version
          cmake -B build -GNinja -DCMAKE_BUILD_TYPE=Debug -DMLN_WITH_CLANG_TIDY=ON -DCMAKE_CXX_COMPILER_LAUNCHER=ccache -DMLN_WITH_COVERAGE=ON
          cmake --build build --target mbgl-core mbgl-test-runner mbgl-render-test-runner mbgl-expression-test

      - name: Archive mbgl-test-runner
        uses: actions/upload-artifact@v3
        with:
          name: mbgl-test-runner
          path: build/mbgl-test-runner
          retention-days: 1

      - name: Archive mbgl-render-test-runner
        uses: actions/upload-artifact@v3
        with:
          name: mbgl-render-test-runner
          path: build/mbgl-render-test-runner
          retention-days: 1

      - name: Archive mbgl-expression-test
        uses: actions/upload-artifact@v3
        with:
          name: mbgl-expression-test
          path: build/expression-test/mbgl-expression-test
          retention-days: 1

  test:
    needs: build
    runs-on: ubuntu-22.04
    steps:
      - uses: actions/checkout@v3

      - name: Install dependencies
        run: |
          sudo apt-get update
          sudo apt-get install -y \
            libopengl0

      - name: Download mbgl-test-runner
        uses: actions/download-artifact@v3
        with:
          name: mbgl-test-runner

      - run: chmod +x ./mbgl-test-runner

      - name: Install npm packages and run test server in background
        run: |
          npm install
          node test/storage/server.js &

      - name: Run C++ tests
        run: xvfb-run -a ./mbgl-test-runner

  expression-test:
    needs: build
    runs-on: ubuntu-22.04
    steps:
      - uses: actions/checkout@v3
      - name: Download mbgl-expression-test
        uses: actions/download-artifact@v3
        with:
          name: mbgl-expression-test

      - run: chmod +x ./mbgl-expression-test

      - name: Run expression test
        run: ./mbgl-expression-test

  render-test:
    needs: build
    runs-on: ubuntu-22.04
    steps:
      - name: Install dependencies
        run: |
          sudo apt-get update
          sudo apt-get install -y \
            libopengl0

      - uses: actions/checkout@v3

      - name: Download mbgl-render-test-runner
        uses: actions/download-artifact@v3
        with:
          name: mbgl-render-test-runner

      - run: chmod +x ./mbgl-render-test-runner

      - name: Run render test
        continue-on-error: true
        id: render_test
        run: xvfb-run -a ./mbgl-render-test-runner --manifestPath=metrics/linux-gcc8-release-style.json

      - name: Save PR number
        env:
          PR_NUMBER: ${{ github.event.number }}
        run: |
          echo $PR_NUMBER > ./pr_number

      - name: Upload render test result
        uses: actions/upload-artifact@v3
        with:
          name: render-test-result
          path: |
            metrics/linux-gcc8-release-style.html
            ./pr_number

  coverage:
    runs-on: ubuntu-22.04
    steps:
      - uses: actions/checkout@v3
        with:
          submodules: recursive
          fetch-depth: 0

      - name: Install dependencies
        run: |
          sudo apt-get update
          sudo apt-get install -y \
            libcurl4-openssl-dev \
            libuv1-dev \
            libjpeg-dev \
            libpng-dev \
            libglfw3-dev \
            xserver-xorg-video-dummy \
            xinit

      - name: Cache Bazel
        uses: actions/cache@v2
        with:
          key: ${{ runner.os }}-bazel-${{ hashFiles('.bazelversion', '.bazelrc', 'WORKSPACE', 'WORKSPACE.bazel', 'MODULE.bazel') }}
          restore-keys: |
            ${{ runner.os }}-bazel-
          path: ~/.cache/bazel

      - name: Start server
        run: |
          npm install --ignore-scripts
          node test/storage/server.js &

      - name: Generate coverage report
        run: |
          bazel coverage --test_output=all --combined_report=lcov --instrumentation_filter="//:mbgl-core" //test:core --//:maplibre_platform=linux --run_under=//platform/linux:startxwrapper
          echo coverage_report=$(bazel info output_path)/_coverage/_coverage_report.dat >> $GITHUB_ENV

      - name: Upload coverage report
        uses: codecov/codecov-action@v3
        with:
          files: ${{ env.coverage_report }}
          fail_ci_if_error: true
          verbose: true