<#
	.SYNOPSIS
	Download and expand the latest Sophia Script version, depending on which Windows or PowerShell versions are used to

	.SYNOPSIS
	For example, if you start script on Windows 11 via PowerShell 5.1 you will start downloading Sophia Script for Windows 11 PowerShell 5.1

	.EXAMPLE
	iwr script.sophia.team -useb | iex
#>
Clear-Host

[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12

Remove-Variable * -ErrorAction Ignore

if ($Host.Version.Major -eq 5)
{
	# Progress bar can significantly impact cmdlet performance
	# https://github.com/PowerShell/PowerShell/issues/2138
	$Script:ProgressPreference = "SilentlyContinue"
}

$Parameters = @{
	Uri             = "https://api.github.com/repos/farag2/Sophia-Script-for-Windows/releases/latest"
	UseBasicParsing = $true
}
$LatestGitHubRelease = (Invoke-RestMethod @Parameters).tag_name

$DownloadsFolder = Get-ItemPropertyValue -Path "HKCU:\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders" -Name "{374DE290-123F-4565-9164-39C4925E467B}"

$Parameters = @{
	Uri             = "https://raw.githubusercontent.com/farag2/Sophia-Script-for-Windows/master/sophia_script_versions.json"
	UseBasicParsing = $true
}
$JSONVersions = Invoke-RestMethod @Parameters

switch ((Get-CimInstance -ClassName Win32_OperatingSystem).BuildNumber)
{
	"17763"
	{
		# Check for Windows 10 LTSC 2019
		if ((Get-ItemPropertyValue -Path "HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion" -Name ProductName) -match "LTSC 2019")
		{
			$LatestRelease = $JSONVersions.Sophia_Script_Windows_10_LTSC2019
			$Parameters = @{
				Uri             = "https://github.com/farag2/Sophia-Script-for-Windows/releases/download/$LatestGitHubRelease/Sophia.Script.for.Windows.10.LTSC.2019.v$LatestRelease.zip"
				OutFile         = "$DownloadsFolder\Sophia.Script.zip"
				UseBasicParsing = $true
				Verbose         = $true
			}
			Invoke-WebRequest @Parameters

			$Version = "Windows_10_LTSC2019"
		}
		else
		{
			Write-Verbose -Message "Windows version is not supported. Update your Windows" -Verbose

			# Receive updates for other Microsoft products when you update Windows
			(New-Object -ComObject Microsoft.Update.ServiceManager).AddService2("7971f918-a847-4430-9279-4a52d1efe18d", 7, "")

			# Check for updates
			Start-Process -FilePath "$env:SystemRoot\System32\UsoClient.exe" -ArgumentList StartInteractiveScan

			# Open the "Windows Update" page
			Start-Process -FilePath "ms-settings:windowsupdate"

			pause
			exit
		}
	}
	"19044"
	{
		# Check for Windows 10 LTSC 2021
		if ((Get-ItemPropertyValue -Path "HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion" -Name ProductName) -match "LTSC 2021")
		{
			$LatestRelease = $JSONVersions.Sophia_Script_Windows_10_LTSC2021
			$Parameters = @{
				Uri             = "https://github.com/farag2/Sophia-Script-for-Windows/releases/download/$LatestGitHubRelease/Sophia.Script.for.Windows.10.LTSC.2021.v$LatestRelease.zip"
				OutFile         = "$DownloadsFolder\Sophia.Script.zip"
				UseBasicParsing = $true
				Verbose         = $true
			}
			Invoke-WebRequest @Parameters

			$Version = "Windows_10_LTSC2021"
		}
		else
		{
			Write-Verbose -Message "Windows version is not supported. Update your Windows" -Verbose

			# Receive updates for other Microsoft products when you update Windows
			(New-Object -ComObject Microsoft.Update.ServiceManager).AddService2("7971f918-a847-4430-9279-4a52d1efe18d", 7, "")

			# Check for updates
			Start-Process -FilePath "$env:SystemRoot\System32\UsoClient.exe" -ArgumentList StartInteractiveScan

			# Open the "Windows Update" page
			Start-Process -FilePath "ms-settings:windowsupdate"

			pause
			exit
		}
	}
	"19045"
	{
		if ($Host.Version.Major -eq 5)
		{
			$LatestRelease = $JSONVersions.Sophia_Script_Windows_10_PowerShell_5_1
			$Parameters = @{
				Uri             = "https://github.com/farag2/Sophia-Script-for-Windows/releases/download/$LatestGitHubRelease/Sophia.Script.for.Windows.10.v$LatestRelease.zip"
				OutFile         = "$DownloadsFolder\Sophia.Script.zip"
				UseBasicParsing = $true
				Verbose         = $true
			}
			Invoke-WebRequest @Parameters

			$Version = "Windows_10_PowerShell_5.1"
		}
		else
		{
			$LatestRelease = (Invoke-RestMethod @Parameters).Sophia_Script_Windows_10_PowerShell_7
			$Parameters = @{
				Uri             = "https://github.com/farag2/Sophia-Script-for-Windows/releases/download/$LatestGitHubRelease/Sophia.Script.for.Windows.10.PowerShell.7.v$LatestRelease.zip"
				OutFile         = "$DownloadsFolder\Sophia.Script.zip"
				UseBasicParsing = $true
				Verbose         = $true
			}
			Invoke-WebRequest @Parameters

			$Version = "Windows_10_PowerShell_7"
		}
	}
	{$_ -ge 22631}
	{
		# Check for Windows 11 LTSC 2024
		if ((Get-ItemPropertyValue -Path "HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion" -Name ProductName) -notmatch "LTSC 2024")
		{
			if ($Host.Version.Major -eq 5)
			{
				$LatestRelease = $JSONVersions.Sophia_Script_Windows_11_PowerShell_5_1
				$Parameters = @{
					Uri             = "https://github.com/farag2/Sophia-Script-for-Windows/releases/download/$LatestGitHubRelease/Sophia.Script.for.Windows.11.v$LatestRelease.zip"
					OutFile         = "$DownloadsFolder\Sophia.Script.zip"
					UseBasicParsing = $true
					Verbose         = $true
				}
				Invoke-WebRequest @Parameters

				$Version = "Windows_11_PowerShell_5.1"
			}
			else
			{
				$LatestRelease = $JSONVersions.Sophia_Script_Windows_11_PowerShell_7
				$Parameters = @{
					Uri             = "https://github.com/farag2/Sophia-Script-for-Windows/releases/download/$LatestGitHubRelease/Sophia.Script.for.Windows.11.PowerShell.7.v$LatestRelease.zip"
					OutFile         = "$DownloadsFolder\Sophia.Script.zip"
					UseBasicParsing = $true
					Verbose         = $true
				}
				Invoke-WebRequest @Parameters

				$Version = "Windows_11_PowerShell_7"
			}
		}
		else
		{
			$LatestRelease = $JSONVersions.Sophia_Script_Windows_11_LTSC2024
			$Parameters = @{
				Uri             = "https://github.com/farag2/Sophia-Script-for-Windows/releases/download/$LatestGitHubRelease/Sophia.Script.for.Windows.11.LTSC.2024.v$LatestRelease.zip"
				OutFile         = "$DownloadsFolder\Sophia.Script.zip"
				UseBasicParsing = $true
				Verbose         = $true
			}
			Invoke-WebRequest @Parameters

			$Version = "Windows_11_LTSC2024"
		}
	}
}

if (-not (Test-Path -Path "$DownloadsFolder\Sophia.Script.zip"))
{
	Write-Verbose -Message "Your Windows build is unsupported. Run Windows Update and try again." -Verbose

	# Check for updates
	Start-Process -FilePath "$env:SystemRoot\System32\UsoClient.exe" -ArgumentList StartInteractiveScan

	# Open t"Windows Update" page
	Start-Process -FilePath "ms-settings:windowsupdate"

	pause
	exit
}

$Parameters = @{
	Path            = "$DownloadsFolder\Sophia.Script.zip"
	DestinationPath = "$DownloadsFolder"
	Force           = $true
}
Expand-Archive @Parameters

Remove-Item -Path "$DownloadsFolder\Sophia.Script.zip" -Force

Start-Sleep -Second 1

switch ($Version)
{
	"Windows_10_LTSC2019"
	{
		Invoke-Item -Path "$DownloadsFolder\Sophia_Script_for_Windows_10_LTSC_2019_v$LatestRelease"

		if ((([System.Security.Principal.WindowsIdentity]::GetCurrent()).Owner -eq "S-1-5-32-544"))
		{
			Set-Location -Path "$DownloadsFolder\Sophia_Script_for_Windows_10_LTSC_2019_v$LatestRelease"
		}
	}
	"Windows_10_LTSC2021"
	{
		Invoke-Item -Path "$DownloadsFolder\Sophia_Script_for_Windows_10_LTSC_2021_v$LatestRelease"

		if ((([System.Security.Principal.WindowsIdentity]::GetCurrent()).Owner -eq "S-1-5-32-544"))
		{
			Set-Location -Path "$DownloadsFolder\Sophia_Script_for_Windows_10_LTSC_2021_v$LatestRelease"
		}
	}
	"Windows_11_LTSC2024"
	{
		Invoke-Item -Path "$DownloadsFolder\Sophia_Script_for_Windows_11_LTSC_2024_v$LatestRelease"

		if ((([System.Security.Principal.WindowsIdentity]::GetCurrent()).Owner -eq "S-1-5-32-544"))
		{
			Set-Location -Path "$DownloadsFolder\Sophia_Script_for_Windows_11_LTSC_2024_v$LatestRelease"
		}
	}
	"Windows_10_PowerShell_5.1"
	{
		Invoke-Item -Path "$DownloadsFolder\Sophia_Script_for_Windows_10_v$LatestRelease"

		if ((([System.Security.Principal.WindowsIdentity]::GetCurrent()).Owner -eq "S-1-5-32-544"))
		{
			Set-Location -Path "$DownloadsFolder\Sophia_Script_for_Windows_10_v$LatestRelease"
		}
	}
	"Windows_10_PowerShell_7"
	{
		Invoke-Item -Path "$DownloadsFolder\Sophia_Script_for_Windows_10_PowerShell_7_v$LatestRelease"

		if ((([System.Security.Principal.WindowsIdentity]::GetCurrent()).Owner -eq "S-1-5-32-544"))
		{
			Set-Location -Path "$DownloadsFolder\Sophia_Script_for_Windows_10_PowerShell_7_v$LatestRelease"
		}
	}
	"Windows_11_PowerShell_5.1"
	{
		Invoke-Item -Path "$DownloadsFolder\Sophia_Script_for_Windows_11_v$LatestRelease"

		if ((([System.Security.Principal.WindowsIdentity]::GetCurrent()).Owner -eq "S-1-5-32-544"))
		{
			Set-Location -Path "$DownloadsFolder\Sophia_Script_for_Windows_11_v$LatestRelease"
		}
	}
	"Windows_11_PowerShell_7"
	{
		Invoke-Item -Path "$DownloadsFolder\Sophia_Script_for_Windows_11_PowerShell_7_v$LatestRelease"

		if ((([System.Security.Principal.WindowsIdentity]::GetCurrent()).Owner -eq "S-1-5-32-544"))
		{
			Set-Location -Path "$DownloadsFolder\Sophia_Script_for_Windows_11_PowerShell_7_v$LatestRelease"
		}
	}
}

# https://github.com/PowerShell/PowerShell/issues/21070
$CompilerParameters = [System.CodeDom.Compiler.CompilerParameters]::new("System.dll")
$CompilerParameters.TempFiles = [System.CodeDom.Compiler.TempFileCollection]::new($env:TEMP, $false)
$CompilerParameters.GenerateInMemory = $true
$Signature = @{
	Namespace          = "WinAPI"
	Name               = "ForegroundWindow"
	Language           = "CSharp"
	CompilerParameters = $CompilerParameters
	MemberDefinition   = @"
[DllImport("user32.dll")]
public static extern bool ShowWindowAsync(IntPtr hWnd, int nCmdShow);
[DllImport("user32.dll")]
[return: MarshalAs(UnmanagedType.Bool)]
public static extern bool SetForegroundWindow(IntPtr hWnd);
"@
}

# PowerShell 7 has CompilerOptions argument instead of CompilerParameters as PowerShell 5 has
# https://learn.microsoft.com/en-us/powershell/module/microsoft.powershell.utility/add-type#-compileroptions
if ($Host.Version.Major -eq 7)
{
	$Signature.Remove("CompilerParameters")
	$Signature.Add("CompilerOptions", $CompilerParameters)
}

if (-not ("WinAPI.ForegroundWindow" -as [type]))
{
	Add-Type @Signature
}

Start-Sleep -Seconds 1

Get-Process -Name explorer | Where-Object -FilterScript {$_.MainWindowTitle -match "Sophia_Script_for_Windows_$([System.Environment]::OSVersion.Version.Major)"} | ForEach-Object -Process {
	# Show window, if minimized
	[WinAPI.ForegroundWindow]::ShowWindowAsync($_.MainWindowHandle, 5)

	# Force move the console window to the foreground
	[WinAPI.ForegroundWindow]::SetForegroundWindow($_.MainWindowHandle)
} | Out-Null