#!/usr/bin/env pwsh
# fix-duplicate-projects.ps1 - Remove duplicate project entries from solution file

param(
    [string]$SlnPath = "src/StellaOps.sln"
)

$content = Get-Content $SlnPath -Raw
$lines = $content -split "`r?`n"

$projectNames = @{}
$duplicateGuids = @()
$newLines = @()
$skipNextEndProject = $false

foreach ($line in $lines) {
    if ($skipNextEndProject -and $line -eq "EndProject") {
        $skipNextEndProject = $false
        continue
    }

    if ($line -match 'Project\(.+\) = "([^"]+)",.*\{([A-F0-9-]+)\}"?$') {
        $name = $Matches[1]
        $guid = $Matches[2]

        if ($projectNames.ContainsKey($name)) {
            $duplicateGuids += $guid
            Write-Host "Removing duplicate: $name ($guid)"
            $skipNextEndProject = $true
            continue
        } else {
            $projectNames[$name] = $true
        }
    }

    $newLines += $line
}

# Also remove duplicate GUIDs from GlobalSection
$finalLines = @()
foreach ($line in $newLines) {
    $skip = $false
    foreach ($guid in $duplicateGuids) {
        if ($line -match $guid) {
            $skip = $true
            break
        }
    }
    if (-not $skip) {
        $finalLines += $line
    }
}

$finalLines | Out-File -FilePath $SlnPath -Encoding UTF8 -NoNewline
Write-Host "`nRemoved $($duplicateGuids.Count) duplicate projects"