name: linux-ci

on:
  workflow_dispatch:
  push:
    branches:
      - main

  pull_request:
    branches:
      - '*'

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:
  pre_job:
    runs-on: ubuntu-22.04
    outputs:
      should_skip: ${{ steps.skip_check.outputs.should_skip }}
    steps:
      - id: skip_check
        uses: fkirc/skip-duplicate-actions@v5
        with:
          paths: |
            ["src/**",
            "test/**",
            "render-test/**",
            "expression-test/**",
            "include/**",
            ".github/workflows/linux-ci.yml",
            "vendor/**",
            "CMakeLists.txt",
            "metrics/linux-gcc8-release-style.json",
            "WORKSPACE",
            "BUILD.bazel",
            ".bazelrc",
            ".bazelversion"]

  linux-build:
    if: needs.pre_job.outputs.should_skip != 'true'
    needs: pre_job
    strategy:
      fail-fast: false
      matrix:
        renderer: [legacy, drawable]
    runs-on: MapLibre_Native_Linux_16_core
    steps:
      - uses: actions/checkout@v4
        with:
          submodules: recursive
          fetch-depth: 0

      - name: Initialize CodeQL
        uses: github/codeql-action/init@v2
        with:
          languages: cpp

      - uses: hendrikmuhs/ccache-action@v1.2
        with:
          key: ${{ github.job }}

      - 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 \
            libwebp-dev

      - if: ${{ matrix.renderer }} == "drawable"
        run: echo renderer_flag_cmake=-DMLN_DRAWABLE_RENDERER=ON >> "$GITHUB_ENV"

      - if: ${{ matrix.renderer }} == "legacy"
        run: echo renderer_flag_cmake=-DMLN_LEGACY_RENDERER=ON >> "$GITHUB_ENV"

      - name: Build MapLibre Native Core
        env:
          CI: 1
        run: |
          cmake --version
          CI=1 cmake -B build -GNinja -DCMAKE_BUILD_TYPE=Debug -DMLN_WITH_CLANG_TIDY=ON -DCMAKE_CXX_COMPILER_LAUNCHER=ccache -DMLN_WITH_COVERAGE=ON ${{ env.renderer_flag_cmake }}
          cmake --build build --target mbgl-core mbgl-test-runner mbgl-render-test-runner mbgl-expression-test

      - name: Perform CodeQL Analysis
        uses: github/codeql-action/analyze@v2
        with:
          category: "/language:cpp"

      - 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

  linux-test:
    if: needs.pre_job.outputs.should_skip != 'true'
    needs:
      - pre_job
      - linux-build
    runs-on: ubuntu-22.04
    steps:
      - uses: actions/checkout@v4

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

  linux-expression-test:
    if: needs.pre_job.outputs.should_skip != 'true'
    needs:
      - pre_job
      - linux-build
    runs-on: ubuntu-22.04
    steps:
      - uses: actions/checkout@v4
      - 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

  linux-render-test:
    if: needs.pre_job.outputs.should_skip != 'true'
    needs:
      - pre_job
      - linux-build
    runs-on: ubuntu-22.04
    steps:
      - name: Install dependencies
        run: |
          sudo apt-get update
          sudo apt-get install -y \
            libopengl0

      - uses: actions/checkout@v4

      - 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
        id: render_test
        run: xvfb-run -a ./mbgl-render-test-runner --manifestPath=metrics/linux-gcc8-release-style.json

      - name: Upload render test result
        if: always() && steps.render_test.outcome == 'failure'
        uses: actions/upload-artifact@v3
        with:
          name: render-test-result
          path: |
            metrics/linux-gcc8-release-style.html

  linux-coverage:
    runs-on: ubuntu-22.04
    steps:
      - uses: actions/checkout@v4
        with:
          submodules: recursive
          fetch-depth: 0

      - name: Install dependencies
        run: |
          sudo apt-get update
          DEBIAN_FRONTEND=noninteractive sudo apt-get install -y \
            libcurl4-openssl-dev \
            libuv1-dev \
            libjpeg-dev \
            libpng-dev \
            libwebp-dev \
            libglfw3-dev \
            libsqlite3-dev \
            xvfb \
            x11-xserver-utils

      - name: Cache Bazel
        uses: actions/cache@v3
        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: |
          xvfb-run -a \
            bazel coverage --combined_report=lcov  --instrumentation_filter="//:mbgl-core" --//:maplibre_platform=linux \
            --test_output=errors --local_test_jobs=1 \
            --test_env=DISPLAY --test_env=XAUTHORITY --copt="-DCI_BUILD" \
            //test:core //render-test:render-test //expression-test:test

      - name: Upload coverage report
        if: '!cancelled()'
        uses: codecov/codecov-action@v3
        with:
          token: ${{ secrets.CODECOV_TOKEN }}
          files: ${{ env.coverage_report }}
          fail_ci_if_error: true
          verbose: true

  linux-ci-result:
    name: Linux CI Result
    if: needs.pre_job.outputs.should_skip != 'true' && always()
    runs-on: ubuntu-22.04
    needs:
      - pre_job
      - linux-build
      - linux-test
      - linux-render-test
      - linux-coverage
    steps:
      - name: Mark result as failed
        if: needs.linux-build.result != 'success' || needs.linux-test.result != 'success' || needs.linux-render-test.result != 'success' || needs.linux-coverage.result != 'success'
        run: exit 1