# Remove duplicate test package references from .Tests.csproj files
# These are already centrally defined in src/Directory.Build.props
# This script handles both self-closing <PackageReference ... /> 
# and extended elements with child nodes like <PrivateAssets> and <IncludeAssets>

param(
    [string]$SrcPath = "E:\dev\git.stella-ops.org\src",
    [switch]$DryRun
)

$packagesToRemove = @(
    'xunit',
    'xunit.runner.visualstudio',
    'Microsoft.NET.Test.Sdk',
    'coverlet.collector',
    'Microsoft.AspNetCore.Mvc.Testing',
    'Microsoft.Extensions.TimeProvider.Testing'
)

$testProjects = Get-ChildItem -Path $SrcPath -Filter "*.Tests.csproj" -Recurse
$modifiedCount = 0
$modifiedFiles = @()

foreach ($proj in $testProjects) {
    $content = Get-Content $proj.FullName -Raw
    $modified = $false
    
    foreach ($pkg in $packagesToRemove) {
        # Pattern 1: Self-closing <PackageReference Include="pkg" Version="..." />
        $pattern1 = '\s*<PackageReference\s+Include="' + [regex]::Escape($pkg) + '"\s+Version="[^"]*"\s*/>\s*'
        if ($content -match $pattern1) {
            $content = $content -replace $pattern1, "`n"
            $modified = $true
        }
        
        # Pattern 2: Extended elements with child nodes
        # <PackageReference Include="pkg" Version="...">...</PackageReference>
        $pattern2 = '\s*<PackageReference\s+Include="' + [regex]::Escape($pkg) + '"[^>]*>[\s\S]*?</PackageReference>\s*'
        if ($content -match $pattern2) {
            $content = $content -replace $pattern2, "`n"
            $modified = $true
        }
    }
    
    if ($modified) {
        # Clean up multiple blank lines
        $content = $content -replace '(\r?\n){3,}', "`r`n`r`n"
        
        if (-not $DryRun) {
            Set-Content $proj.FullName -Value $content.TrimEnd() -NoNewline
        }
        
        $modifiedCount++
        $modifiedFiles += $proj.Name
        Write-Host "Modified: $($proj.Name)"
    }
}

Write-Host "`n=== Summary ==="
Write-Host "Total test projects scanned: $($testProjects.Count)"
Write-Host "Total modified: $modifiedCount"

if ($DryRun) {
    Write-Host "(DRY RUN - no files were changed)"
}