# SPDX-License-Identifier: GPL-3.0-or-later
[CmdletBinding()]
param(
    [string]$Destination = ""
)

$ErrorActionPreference = "Stop"
$root = Split-Path -Parent $PSScriptRoot
if ([string]::IsNullOrWhiteSpace($Destination)) {
    $Destination = Join-Path $root "work/toolchains/ps5-payload-sdk-v0.41"
}

$cache = Join-Path $root "work/cache"
$archive = Join-Path $cache "ps5-payload-sdk-v0.41.zip"
$url = "https://github.com/ps5-payload-dev/sdk/releases/download/v0.41/ps5-payload-sdk.zip"
$expectedHash = "ebfb0acb5260511951a80e17db41650c62d20a8caf8659a230b928dc85005984"
$expectedSize = 8810966

New-Item -ItemType Directory -Force -Path $cache | Out-Null
if (-not (Test-Path -LiteralPath $archive)) {
    & curl.exe -fL --retry 3 --output $archive $url
    if ($LASTEXITCODE -ne 0) {
        throw "SDK download failed"
    }
}

$file = Get-Item -LiteralPath $archive
if ($file.Length -ne $expectedSize) {
    throw "SDK size mismatch: expected $expectedSize, got $($file.Length)"
}
$actualHash = (Get-FileHash -Algorithm SHA256 -LiteralPath $archive).Hash.ToLowerInvariant()
if ($actualHash -ne $expectedHash) {
    throw "SDK SHA-256 mismatch"
}

if (-not (Test-Path -LiteralPath $Destination)) {
    $temporary = Join-Path $root "work/toolchains/sdk-extract"
    $resolvedRoot = [System.IO.Path]::GetFullPath($root).TrimEnd('\') + '\'
    $resolvedTemporary = [System.IO.Path]::GetFullPath($temporary)
    if (-not $resolvedTemporary.StartsWith($resolvedRoot,
            [System.StringComparison]::OrdinalIgnoreCase)) {
        throw "Refusing temporary cleanup outside the workspace"
    }
    New-Item -ItemType Directory -Force -Path $temporary | Out-Null
    Expand-Archive -LiteralPath $archive -DestinationPath $temporary -Force
    $extracted = Join-Path $temporary "ps5-payload-sdk"
    New-Item -ItemType Directory -Force -Path (Split-Path -Parent $Destination) | Out-Null
    Move-Item -LiteralPath $extracted -Destination $Destination
    Remove-Item -LiteralPath $temporary -Recurse -Force
}

Write-Output "Verified PS5 Payload SDK v0.41 at $Destination"