function Invoke-TasksCompleted {
    param($Context)
    Write-LogHybrid "All UI-selected tasks processed" Info UI -LogToEvent
    Send-Text $Context "Tasks completion acknowledged."
}

function Dispatch-Request {
    param($Context)

    $path = $Context.Request.Url.AbsolutePath.TrimStart('/')

    if ($path -eq 'quit') {
        Write-LogHybrid "Shutdown requested" "Info" "Server" -LogToEvent
        Send-Text $Context "Server shutting down."
        $Global:Listener.Stop()
        return
    }

    if ($Context.Request.HttpMethod -eq 'POST' -and $path -eq 'tasksCompleted') {
        Invoke-TasksCompleted $Context
        return
    }

    if ($Context.Request.HttpMethod -eq 'POST' -and $path -eq 'getpw') {
        Invoke-FetchSites $Context
        return
    }

    if ($Context.Request.HttpMethod -eq 'POST' -and $path -eq 'renameComputer') {
        Invoke-RenameComputer $Context
        return
    }

    if ($Context.Request.HttpMethod -eq 'POST' -and $path -eq 'getprinters') {
        Invoke-GetPrinters $Context
        return
    }

    if ($Context.Request.HttpMethod -eq 'POST' -and $path -eq 'installprinters') {
        Invoke-InstallPrinters $Context
        return
    }

    if ($path -in @('', 'onboard', 'offboard', 'devices')) {
        $page = if ($path -eq '') { 'onboard' } else { $path }
        $html = Get-UIHtml -Page $page
        Send-HTML $Context $html
        return
    }

    $task = $Global:SamyTasks | Where-Object Name -EQ $path | Select-Object -First 1
    if ($task) {

        $fn = Get-TaskHandlerName -Task $task
        if ([string]::IsNullOrWhiteSpace($fn)) {
            $Context.Response.StatusCode = 500
            Send-Text $Context "Task '$($task.Label)' is missing a handler (HandlerFn/Handler/Fn/Name)."
            return
        }

        $cmd = Get-Command -Name $fn -ErrorAction SilentlyContinue
        if (-not $cmd) {
            $Context.Response.StatusCode = 500
            Send-Text $Context "Handler not found: $fn"
            return
        }

        if ($cmd.Parameters.ContainsKey('Context')) {
            & $fn -Context $Context
        }
        else {
            & $fn
        }
        return
    }

    $Context.Response.StatusCode = 404
    Send-Text $Context '404 - Not Found'
}