# Initialize an empty hashtable to store settings
$ElysiumSettings = @{}

# Read the settings file
$settingsPath = "ElysiumSettings.txt"
Get-Content $settingsPath | ForEach-Object {
    $keyValue = $_ -split '=', 2
    $ElysiumSettings[$keyValue[0]] = $keyValue[1]
}

# Get the variables
$KHDBUrl = $ElysiumSettings["KHDBUrl"]
$SecureToken = $ElysiumSettings["SecureToken"]

function Update-KHDB {
    Write-Host "Checking for KHDB updates..."

    # Setting request headers
    $headers = New-Object "System.Collections.Generic.Dictionary[[String],[String]]"
    $headers.Add("Authorization", "Bearer $SecureToken")

    # Downloading KHDB
    try {
        $latestKHDB = Invoke-WebRequest -Uri $KHDBUrl -Headers $headers -UseBasicParsing
        $encryptedKHDB = $latestKHDB.Content
        Write-Host "KHDB downloaded successfully."
    } catch {
        Write-Error "Error downloading KHDB: $_"
        return
    }

    # Decrypting KHDB
    try {
        $decryptionPassword = Read-Host "Enter decryption password" -AsSecureString
        $decryptedKHDB = Unprotect-KHDB -EncryptedData $encryptedKHDB -Password $decryptionPassword
        Write-Host "KHDB decrypted successfully."
    } catch {
        Write-Error "Error decrypting KHDB: $_"
        return
    }

    # Updating local KHDB (assuming a specific method to update your local database)
    Update-LocalKHDB -Data $decryptedKHDB
}

function Unprotect-KHDB {
    param (
        [Parameter(Mandatory = $true)][string]$EncryptedData,
        [Parameter(Mandatory = $true)][System.Security.SecureString]$Password
    )
    # Implement your decryption logic here
    # Return decrypted data
}

function Update-LocalKHDB {
    param (
        [Parameter(Mandatory = $true)][string]$Data
    )
    # Implement your logic to update the local KHDB
}

Update-KHDB