# L'Math Auto Activation Script template
# Use at your own risk!

# == USAGE ==
#
# For all users
#   .\script.ps1 -LicenseCode "code here" -Scope global
#
# For current user
#   .\script.ps1 -LicenseCode "code here" -Scope user
#
# For a specified user
#   .\script.ps1 -LicenseCode "code here" -Scope user -User "username"

param (
    [string]$LicenseCode,
    [ValidateSet("global", "user")]
    [string]$Scope,
    [string]$User
)

# Check if LicenseCode is provided
if (-not $LicenseCode) {
    Write-Host "ERROR: License code is required. Use: -LicenseCode ..."
    exit 1
}

# Create JSON object
$jsonObject = @{ key = $LicenseCode } | ConvertTo-Json

# Encode JSON object as base64
$base64String = [Convert]::ToBase64String([System.Text.Encoding]::UTF8.GetBytes($jsonObject))

# Determine file path based on scope
if ($Scope -eq "global") {
    $filePath = "C:\Users\Public\.lmaths\.auto_activation"
} elseif ($Scope -eq "user") {
    if ($User) {
        $userProfilePath = [System.IO.Path]::Combine("C:\Users", $User)
        if (-not (Test-Path $userProfilePath)) {
            Write-Host "ERROR: The specified user profile path '$userProfilePath' does not exist."
            exit 1
        }
        $filePath = [System.IO.Path]::Combine($userProfilePath, "AppData\Roaming\LMath\.auto_activation")
    } else {
        $filePath = "$env:APPDATA\LMath\.auto_activation"
    }
} else {
    Write-Host "ERROR: Invalid scope. Please use -Scope global or -Scope user or -Scope user -User username."
    exit 1
}

# Ensure the directory exists
$directory = Split-Path $filePath -Parent
if (-not (Test-Path $directory)) {
    New-Item -ItemType Directory -Force -Path $directory
}

# Write the base64 string to the file
Set-Content -Path $filePath -Value $base64String

Write-Host "Activation file created successfully at $filePath."