/*
 * Copyright 2016-2017, Rene Gollent, rene@gollent.com.
 * Distributed under the terms of the MIT License.
 */
#include "NetworkConnectionConfigView.h"

#include <stdio.h>
#include <stdlib.h>

#include <LayoutBuilder.h>
#include <MenuField.h>
#include <TextControl.h>

#include "Settings.h"
#include "SettingsDescription.h"
#include "TargetHostInterfaceInfo.h"


enum {
        MSG_NET_CONFIG_INPUT_CHANGED = 'ncic'
};


static const char* kHostSetting = "hostname";
static const char* kPortSetting = "port";


NetworkConnectionConfigView::NetworkConnectionConfigView()
        :
        ConnectionConfigView("NetworkConnectionConfig"),
        fProtocolField(NULL),
        fHostInput(NULL),
        fPortInput(NULL),
        fSettings(NULL),
        fHostSetting(NULL),
        fPortSetting(NULL)
{
}


NetworkConnectionConfigView::~NetworkConnectionConfigView()
{
        if (fSettings != NULL)
                fSettings->ReleaseReference();
}


void
NetworkConnectionConfigView::AttachedToWindow()
{
        ConnectionConfigView::AttachedToWindow();

        fHostInput->SetTarget(this);
        fPortInput->SetTarget(this);
}


void
NetworkConnectionConfigView::MessageReceived(BMessage* message)
{
        switch (message->what) {
                case MSG_NET_CONFIG_INPUT_CHANGED:
                {
                        fSettings->SetValue(fHostSetting, fHostInput->Text());
                        uint16 port = (uint16)strtoul(fPortInput->Text(), NULL, 10);
                        fSettings->SetValue(fPortSetting, port);
                        NotifyConfigurationChanged(fSettings);
                        break;
                }
                default:
                {
                        ConnectionConfigView::MessageReceived(message);
                        break;
                }
        }
}


status_t
NetworkConnectionConfigView::InitSpecific()
{
        SettingsDescription* description
                = InterfaceInfo()->GetSettingsDescription();

        for (int32 i = 0; i < description->CountSettings(); i++) {
                Setting* setting = description->SettingAt(i);
                if (strcmp(setting->ID(), kPortSetting) == 0)
                        fPortSetting = setting;
                else if (strcmp(setting->ID(), kHostSetting) == 0)
                        fHostSetting = setting;
        }

        if (fPortSetting == NULL || fHostSetting == NULL)
                return B_BAD_VALUE;

        fSettings = new Settings(description);
        fPortInput = new BTextControl("port_input", "Port:", "",
                                        new BMessage(MSG_NET_CONFIG_INPUT_CHANGED));

        BLayoutItem* textLayoutItem;
        BLayoutBuilder::Group<>(this, B_HORIZONTAL)
                .Add((fHostInput = new BTextControl("host_input", "Host:", "",
                                new BMessage(MSG_NET_CONFIG_INPUT_CHANGED))))
                .Add(fPortInput->CreateLabelLayoutItem())
                .Add((textLayoutItem = fPortInput->CreateTextViewLayoutItem()))
        .End();

        // since port numbers are limited to 5 digits, there's no need for
        // the port input to expand farther than that. Instead, let the
        // host field take the extra space.
        textLayoutItem->SetExplicitMaxSize(BSize(
                        be_plain_font->StringWidth("999999"), B_SIZE_UNSET));


        BString buffer;
        buffer.SetToFormat("%" B_PRIu16, fPortSetting->DefaultValue().ToUInt16());
        fPortInput->SetText(buffer);

        fHostInput->SetModificationMessage(
                new BMessage(MSG_NET_CONFIG_INPUT_CHANGED));
        fPortInput->SetModificationMessage(
                new BMessage(MSG_NET_CONFIG_INPUT_CHANGED));

        return B_OK;
}