# Add <Using Include="Xunit" /> to test projects with UseConcelierTestInfra=false
# that have xunit but don't have the global using

$ErrorActionPreference = "Stop"
$srcPath = "E:\dev\git.stella-ops.org\src"

# Find test projects with UseConcelierTestInfra=false that have xunit but no Using Include="Xunit"
$projects = Get-ChildItem -Path $srcPath -Recurse -Filter "*.csproj" |
    Where-Object {
        $content = Get-Content $_.FullName -Raw
        ($content -match "<UseConcelierTestInfra>\s*false\s*</UseConcelierTestInfra>") -and
        ($content -match '<PackageReference\s+Include="xunit"') -and
        (-not ($content -match '<Using\s+Include="Xunit"'))
    }

Write-Host "Found $($projects.Count) projects needing Xunit using" -ForegroundColor Cyan

$fixedCount = 0

foreach ($proj in $projects) {
    $content = Get-Content $proj.FullName -Raw

    # Add Using Include="Xunit" before first ProjectReference ItemGroup or at end
    if ($content -match '(<ItemGroup>\s*\r?\n\s*<ProjectReference)') {
        $usingBlock = "  <ItemGroup>`n    <Using Include=`"Xunit`" />`n  </ItemGroup>`n`n"
        $newContent = $content -replace '(\s*)(<ItemGroup>\s*\r?\n\s*<ProjectReference)', "$usingBlock`$1`$2"
    } else {
        # Add before </Project>
        $usingBlock = "`n  <ItemGroup>`n    <Using Include=`"Xunit`" />`n  </ItemGroup>`n"
        $newContent = $content -replace '</Project>', "$usingBlock</Project>"
    }

    if ($newContent -ne $content) {
        Set-Content -Path $proj.FullName -Value $newContent -NoNewline
        Write-Host "Fixed: $($proj.Name)" -ForegroundColor Green
        $fixedCount++
    }
}

Write-Host "`nFixed $fixedCount projects" -ForegroundColor Cyan