---
# Github Actions workflow to check CmdStanR
# yamllint disable rule:line-length

name: Unit tests

'on':
  push:
    branches:
      - master
  pull_request:
    branches:
      - master

jobs:
  R-CMD-check:
    if: "! contains(github.event.head_commit.message, '[ci skip]')"
    runs-on: ${{ matrix.config.os }}

    name: ${{ matrix.config.os }} (${{ matrix.config.r }})

    strategy:
      fail-fast: false
      matrix:
        config:
          - {os: macOS-latest, r: 'devel', rtools: ''}
          - {os: macOS-latest, r: 'release', rtools: ''}
          - {os: windows-latest, r: 'devel', rtools: ''}
          - {os: windows-latest, r: 'release', rtools: ''}
          - {os: windows-latest, r: 'oldrel', rtools: '42'}
          - {os: ubuntu-20.04, r: 'devel', rtools: ''}
          - {os: ubuntu-20.04, r: 'release', rtools: ''}
          - {os: ubuntu-20.04, r: 'oldrel', rtools: ''}
          - {os: ubuntu-20.04, r: '3.6', rtools: ''}
    env:
      R_REMOTES_NO_ERRORS_FROM_WARNINGS: true
      GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
      NOT_CRAN: true

    steps:
      - name: cmdstan env vars
        run: |
          echo "CMDSTAN_PATH=${HOME}/.cmdstan" >> $GITHUB_ENV
        shell: bash

      - uses: n1hility/cancel-previous-runs@v3
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
        if: "!startsWith(github.ref, 'refs/tags/') && github.ref != 'refs/heads/master'"

      - uses: actions/checkout@v3

      - name: Install system dependencies
        if: runner.os == 'Linux'
        run: |
          sudo apt-get update
          sudo apt-get install -y libcurl4-openssl-dev || true
          sudo apt-get install -y openmpi-bin openmpi-common libopenmpi-dev || true

      - uses: r-lib/actions/setup-r@v2.6.4
        with:
          r-version: ${{ matrix.config.r }}
          rtools-version: ${{ matrix.config.rtools }}
      - uses: r-lib/actions/setup-pandoc@v2.6.4

      - name: Query dependencies
        run: |
          install.packages('remotes')
          saveRDS(remotes::dev_package_deps(dependencies = TRUE), ".github/depends.Rds", version = 2)
          writeLines(sprintf("R-%i.%i", getRversion()$major, getRversion()$minor), ".github/R-version")
        shell: Rscript {0}

      - name: Cache R packages
        if: runner.os != 'Windows'
        uses: actions/cache@v3
        with:
          path: ${{ env.R_LIBS_USER }}
          key: ${{ runner.os }}-${{ hashFiles('.github/R-version') }}-1-${{ hashFiles('.github/depends.Rds') }}
          restore-keys: ${{ runner.os }}-${{ hashFiles('.github/R-version') }}-1-

      - name: Install dependencies
        run: |
          Sys.setenv("MAKEFLAGS"="-j2")
          remotes::install_deps(dependencies = TRUE)
          remotes::install_cran("rcmdcheck")
          remotes::install_local(path = ".")
          install.packages("curl")
        shell: Rscript {0}

      - name: Install cmdstan
        run: |
          cmdstanr::check_cmdstan_toolchain(fix = TRUE)
          cmdstanr::install_cmdstan(cores = 2)
        shell: Rscript {0}

      - name: Session info
        run: |
          options(width = 100)
          pkgs <- installed.packages()[, "Package"]
          sessioninfo::session_info(pkgs, include_base = TRUE)
        shell: Rscript {0}

      - name: Check
        env:
          _R_CHECK_CRAN_INCOMING_: false
        run: rcmdcheck::rcmdcheck(args = c("--no-manual", "--as-cran"), error_on = "warning", check_dir = "check")
        shell: Rscript {0}

      - name: Show testthat output
        if: always()
        run: find check -name 'testthat.Rout*' -exec cat '{}' \; || true
        shell: bash

      - name: Upload check results
        if: failure()
        uses: actions/upload-artifact@v3
        with:
          name: ${{ runner.os }}-r${{ matrix.config.r }}-results
          path: check
