[CmdletBinding()]
param(
    [string]$ProjectRoot
)

$ErrorActionPreference = 'Stop'

if (-not $ProjectRoot) {
    $ProjectRoot = Join-Path $PSScriptRoot '../..'
}

$resolvedProjectRoot = (Resolve-Path -LiteralPath $ProjectRoot).Path
$runtimeProject = Join-Path $resolvedProjectRoot 'ShrinkModFramework.Runtime.csproj'
$fixtureProject = Join-Path $PSScriptRoot 'ShrinkModFixtureBuilder.csproj'
$fixtureOutputRoot = Join-Path $resolvedProjectRoot 'Temp/ShrinkModFixtureBuilder'
$fixtureTargetRoot = Join-Path $resolvedProjectRoot 'Assets/Modules/ShrinkModFramework/Tests/Fixtures'

dotnet build $runtimeProject /m:1 --nologo
if ($LASTEXITCODE -ne 0) {
    throw "ShrinkModFramework.Runtime build failed with exit code $LASTEXITCODE."
}

foreach ($variant in 'V1', 'V2', 'V3') {
    $outputDirectory = Join-Path $fixtureOutputRoot $variant
    $intermediateDirectory = Join-Path $fixtureOutputRoot "obj/$variant/"
    dotnet build $fixtureProject /m:1 --nologo `
        -p:FixtureVariant=$variant `
        -p:BaseIntermediateOutputPath=$intermediateDirectory `
        -p:OutputPath=$outputDirectory
    if ($LASTEXITCODE -ne 0) {
        throw "External fixture $variant build failed with exit code $LASTEXITCODE."
    }

    $source = Join-Path $outputDirectory 'ExternalFixture.Mod.dll'
    $targetName = switch ($variant) {
        'V1' { 'ExternalFixture.Mod.V1.dll.bytes' }
        'V2' { 'ExternalFixture.Mod.V2.Failing.dll.bytes' }
        'V3' { 'ExternalFixture.Mod.V3.dll.bytes' }
    }
    Copy-Item -LiteralPath $source -Destination (Join-Path $fixtureTargetRoot $targetName) -Force
}

Write-Host 'ShrinkModFramework external fixture DLLs rebuilt.'