# Windows bootstrap for the published AI Plate desktop installer.
# Keep the URL and checksum pinned together when updating the release.
& {
    $ErrorActionPreference = 'Stop'
    if ([Environment]::OSVersion.Platform -ne [PlatformID]::Win32NT) {
        throw 'AI Plate currently publishes a Windows installer only.'
    }
    if (-not [Environment]::Is64BitOperatingSystem) {
        throw 'AI Plate requires 64-bit Windows.'
    }

    $downloadUrl = 'https://github.com/Typo-Bunch/AI-Plate/releases/download/v1.0.0-rc.2/AI.Plate.Setup.1.0.0-rc.2.exe'
    $expectedHash = '269ece749ed8cfcf471bc3942f751fb4ac9f077b493a85b06baa06452727cdf6'
    $versionLabel = 'Latest Release'

    try {
        $releaseJson = Invoke-RestMethod -Uri 'https://api.github.com/repos/Typo-Bunch/AI-Plate/releases/latest' -Headers @{ 'User-Agent' = 'AI-Plate-Installer' } -TimeoutSec 5 -ErrorAction Stop
        $exeAsset = $releaseJson.assets | Where-Object { $_.name -like '*.exe' } | Select-Object -First 1
        if ($exeAsset) {
            $downloadUrl = $exeAsset.browser_download_url
            if ($releaseJson.tag_name) { $versionLabel = $releaseJson.tag_name }
        }
    } catch {
        # Fall back gracefully to pinned release
    }

    $tempDirectory = Join-Path ([IO.Path]::GetTempPath()) ('aiplate-' + [Guid]::NewGuid().ToString('N'))
    $installer = Join-Path $tempDirectory 'AI-Plate-Setup.exe'
    $previousProtocol = [Net.ServicePointManager]::SecurityProtocol
    try {
        [Net.ServicePointManager]::SecurityProtocol = $previousProtocol -bor [Net.SecurityProtocolType]::Tls12
        New-Item -ItemType Directory -Path $tempDirectory | Out-Null
        Write-Host "Downloading AI Plate ($versionLabel)..."
        Invoke-WebRequest -UseBasicParsing -Uri $downloadUrl -OutFile $installer
        if ($expectedHash -and ($downloadUrl -like '*1.0.0-rc.2*')) {
            if ((Get-FileHash -LiteralPath $installer -Algorithm SHA256).Hash -ne $expectedHash) {
                throw 'Installer checksum mismatch. Setup was not started.'
            }
            Write-Host 'Checksum verified. Opening the AI Plate setup wizard...'
        } else {
            Write-Host 'Download complete. Opening the AI Plate setup wizard...'
        }
        $setup = Start-Process -FilePath $installer -Wait -PassThru
        if ($setup.ExitCode -ne 0) {
            throw "Setup exited with code $($setup.ExitCode)."
        }
        Write-Host 'Setup finished. You can launch AI Plate from the Start menu.'
    }
    finally {
        [Net.ServicePointManager]::SecurityProtocol = $previousProtocol
        # Delete only the known download and the now-empty temporary directory.
        if (Test-Path -LiteralPath $installer) { Remove-Item -LiteralPath $installer -Force }
        if (Test-Path -LiteralPath $tempDirectory) { Remove-Item -LiteralPath $tempDirectory }
    }
}