name: CI

on:
  pull_request:
  push:
    branches:
      - master
      - main

jobs:
  changes:
    runs-on: ubuntu-latest
    outputs:
      code: ${{ steps.filter.outputs.code }}
    steps:
      - uses: actions/checkout@v4
      - uses: dorny/paths-filter@v3
        id: filter
        with:
          filters: |
            code:
              - '**.scala'
              - '**.java'
              - '**.sbt'
              - '.github/workflows/*.yml'
              - '**.so'
              - '**.dll'
              - 'src/main/resources/**'
              - 'project/build.properties'
              - '.scalafmt.conf'
              - 'sbt'
              - 'sbt.bat'
              - 'Makefile*'
              - '**/VERSION'
  code_format:
    name: code format
    needs: changes
    if: ${{ needs.changes.outputs.code == 'true' }}
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: scalafmt test
        run: ./sbt scalafmtCheckAll
  test-jdk:
    strategy:
      matrix:
        version: [ '8', '11', '17', '21' ]
    name: test jdk${{ matrix.version }}
    needs: changes
    if: ${{ needs.changes.outputs.code == 'true' }}
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-java@v4
        with:
          distribution: 'zulu'
          java-version: ${{ matrix.version }}
      - uses: actions/cache@v4
        with:
          path: ~/.cache
          key: ${{ runner.os }}-jdk${{ matrix.version }}-${{ hashFiles('**/*.sbt') }}
          restore-keys: ${{ runner.os }}-jdk${{ matrix.version }}-
      - name: Test
        run: ./sbt test