name: Build

on:
  push:
  pull_request:

permissions:
  contents: read

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  test:
    name: Test (${{ matrix.os }})
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, windows-latest]
    runs-on: ${{ matrix.os }}
    steps:
      - uses: actions/checkout@v5
      - uses: actions/setup-go@v6
        with:
          go-version-file: go.mod
      - shell: bash
        run: |
          go vet ./...
          go test -short ./...
          go build ./...

  cross:
    name: Cross-compile (${{ matrix.goos }}/${{ matrix.goarch }})
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        include:
          - { goos: linux, goarch: arm64 }
          - { goos: linux, goarch: arm }
          - { goos: windows, goarch: amd64 }
          - { goos: darwin, goarch: amd64 }
          - { goos: darwin, goarch: arm64 }
    env:
      CGO_ENABLED: 0
      GOOS: ${{ matrix.goos }}
      GOARCH: ${{ matrix.goarch }}
    steps:
      - uses: actions/checkout@v5
      - uses: actions/setup-go@v6
        with:
          go-version-file: go.mod
      - run: go build ./...

  tags:
    name: Build tags
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v5
      - uses: actions/setup-go@v6
        with:
          go-version-file: go.mod
      - name: vfw (windows)
        run: GOOS=windows go build -tags vfw ./...
      - name: libjpeg
        run: |
          sudo apt-get update
          sudo apt-get install -y libjpeg-dev
          CGO_ENABLED=1 go build -tags libjpeg ./...