name: Windows 7 x64 compatibility
on:
  workflow_dispatch:
  pull_request:
    paths:
      - '**/*.rs'
      - '**/Cargo.toml'
      - Cargo.lock
      - vendor/windows-link/**
      - packaging/windows/windows7.ps1
      - .github/workflows/windows7.yml
permissions:
  contents: read
jobs:
  build:
    runs-on: windows-2022
    timeout-minutes: 90
    steps:
      - uses: actions/checkout@v4
      - uses: ilammy/msvc-dev-cmd@v1
        with:
          arch: x64
      - uses: dtolnay/rust-toolchain@master
        with:
          toolchain: nightly-2026-10-01
          components: rust-src
      - uses: Swatinem/rust-cache@v2
        with:
          key: windows7-x64
      - name: Check that modern Windows backends are excluded
        shell: pwsh
        run: |
          $tree = cargo +nightly-2026-10-01 tree --locked -p vectorcraft --target x86_64-win7-windows-msvc --no-default-features --features windows7 -e normal --prefix none
          if ($LASTEXITCODE -ne 0) { throw 'dependency inspection failed' }
          if ($tree -match '^(wgpu|wgpu-core|wgpu-hal|accesskit_windows) v') { throw 'unsupported Windows backend in compatibility build' }
      - name: Build portable package
        shell: pwsh
        run: ./packaging/windows/windows7.ps1
      - name: Test Windows code paths on the build host
        shell: pwsh
        env:
          CARGO_TARGET_X86_64_WIN7_WINDOWS_MSVC_RUSTFLAGS: '-C target-feature=+crt-static'
        run: |
          cargo +nightly-2026-10-01 test -Z build-std=std,panic_unwind,test --locked --target x86_64-win7-windows-msvc --no-default-features --features vectorcraft/windows7 -p vectorcraft -p vectorcraft-cli
          if ($LASTEXITCODE -ne 0) { throw 'tests failed' }
      - uses: actions/upload-artifact@v4
        with:
          name: vectorcraft-windows7-x64-portable
          path: dist/release/vectorcraft-windows7-x64-portable.zip
          if-no-files-found: error
# A modern Windows runner proves compilation and host smoke tests only.
# Run the checklist in docs/windows7.md on actual Windows 7 before claiming support.