LoL Client Region Changer

RegionChanger.ps1

param(
    [Parameter(Position=0, mandatory=$true)]
    # [ValidateScript({$regions.ContainsKey($_)})]
    [ValidateSet("NA", "LA1")]
    [string]$Region,
    [Parameter(Position=1, mandatory=$true)]
    [ValidateScript({Test-Path $_})]
    [string]$GameDir
)

if (-not (Get-Module -ListAvailable -Name powershell-yaml)) {
    Set-PSRepository -Name PSGallery -InstallationPolicy Trusted
    Install-Module powershell-yaml -AcceptLicense -Scope CurrentUser
}

Import-Module powershell-yaml

$Regions = @{
    NA = 'en_US'
    LA1 = 'es_MX'
}

$SettingsPath = Join-path -Path $GameDir -ChildPath "Config\LeagueClientSettings.yaml"
$ClientExePath = Join-path -Path $GameDir -ChildPath "LeagueClient.exe"

$fileContents = Get-Content $SettingsPath -Raw
$settings = ConvertFrom-Yaml $fileContents

$settings['install']['globals']['locale'] = $Regions[$Region]
$settings['install']['globals']['region'] = $Region

$fileContents = ConvertTo-Yaml $settings
Set-Content $SettingsPath -Value $fileContents

Start-Process -FilePath $ClientExePath -WorkingDirectory $GameDir -NoNewWindow