winutil/functions/private/Set-Preferences.ps1

function Set-Preferences{

    param(
        [switch]$save=$false
    )

    # TODO delete this function sometime later
    function Clean-OldPrefs{
        if (Test-Path -Path "$winutildir\LightTheme.ini") {
            $sync.preferences.theme = "Light"
            Remove-Item -Path "$winutildir\LightTheme.ini"
        }

        if (Test-Path -Path "$winutildir\DarkTheme.ini") {
            $sync.preferences.theme = "Dark"
            Remove-Item -Path "$winutildir\DarkTheme.ini"
        }

        # check old prefs, if its first line has no =, then absorb it as pm
        if (Test-Path -Path $iniPath) {
            $oldPM = Get-Content $iniPath
            if ($oldPM -notlike "*=*") {
                $sync.preferences.packagemanager = $oldPM
            }
        }

        if (Test-Path -Path "$winutildir\preferChocolatey.ini") {
            $sync.preferences.packagemanager = "Choco"
            Remove-Item -Path "$winutildir\preferChocolatey.ini"
        }
    }

    function Save-Preferences{
        $ini = ""
        foreach($key in $sync.preferences.Keys) {
            $pref = "$($key)=$($sync.preferences.$key)"
            Write-Debug "Saving pref: $($pref)"
            $ini = $ini + $pref + "`r`n"
        }
        $ini | Out-File $iniPath
    }

    function Load-Preferences{
        Clean-OldPrefs
        if (Test-Path -Path $iniPath) {
            $iniData = Get-Content "$winutildir\preferences.ini"
            foreach ($line in $iniData) {
                if ($line -like "*=*") {
                    $arr = $line -split "=",-2
                    $key = $arr[0] -replace "\s",""
                    $value = $arr[1] -replace "\s",""
                    Write-Debug "Preference: Key = '$($key)' Value ='$($value)'"
                    $sync.preferences.$key = $value
                }
            }
        }

        # write defaults in case preferences dont exist
        if ($null -eq $sync.preferences.theme) {
            $sync.preferences.theme = "Auto"
        }
        if ($null -eq $sync.preferences.packagemanager) {
            $sync.preferences.packagemanager = "Winget"
        }

        # convert packagemanager to enum
        if ($sync.preferences.packagemanager -eq "Choco") {
            $sync.preferences.packagemanager = [PackageManagers]::Choco
        }
        elseif ($sync.preferences.packagemanager -eq "Winget") {
            $sync.preferences.packagemanager = [PackageManagers]::Winget
        }
    }

    $iniPath = "$winutildir\preferences.ini"

    if ($save) {
        Save-Preferences
    }
    else {
        Load-Preferences
    }
}