/*
 * Copyright 2019 Haiku Inc. All rights reserved.
 * Distributed under the terms of the MIT License.
 *
 * Authors:
 *      Adrien Destugues, pulkomandy@pulkomandy.tk
 *              Rob Gill, <rrobgill@protonmail.com>
 */


#include "HostnameView.h"

#include <stdio.h>
#include <string.h>

#include <Box.h>
#include <Button.h>
#include <Catalog.h>
#include <ControlLook.h>
#include <LayoutBuilder.h>
#include <SeparatorView.h>
#include <StringView.h>


static const int32 kMsgApply = 'aply';


#undef B_TRANSLATION_CONTEXT
#define B_TRANSLATION_CONTEXT "HostnameView"


HostnameView::HostnameView(BNetworkSettingsItem* item)
        :
        BView("hostname", 0),
        fItem(item)
{
        BStringView* titleView = new BStringView("title",
                B_TRANSLATE("Hostname settings"));
        titleView->SetFont(be_bold_font);
        titleView->SetExplicitMaxSize(BSize(B_SIZE_UNLIMITED, B_SIZE_UNSET));

        fHostname = new BTextControl(B_TRANSLATE("Hostname:"), "", NULL);
        fApplyButton = new BButton(B_TRANSLATE("Apply"), new BMessage(kMsgApply));

        BLayoutBuilder::Group<>(this, B_VERTICAL)
                .Add(titleView)
                .Add(fHostname)
                .AddGlue()
                .AddGroup(B_HORIZONTAL)
                        .AddGlue()
                        .Add(fApplyButton);

        _LoadHostname();
}


HostnameView::~HostnameView()
{
}

status_t
HostnameView::Revert()
{
        return B_OK;
}

bool
HostnameView::IsRevertable() const
{
        return false;
}


void
HostnameView::AttachedToWindow()
{
        fApplyButton->SetTarget(this);
}


void
HostnameView::MessageReceived(BMessage* message)
{
        switch (message->what) {
                case kMsgApply:
                        if (_SaveHostname() == B_OK)
                                fItem->NotifySettingsUpdated();
                        break;

                default:
                        BView::MessageReceived(message);
                        break;
        }
}


status_t
HostnameView::_LoadHostname()
{
        BString fHostnameString;
        char hostname[MAXHOSTNAMELEN];

        if (gethostname(hostname, MAXHOSTNAMELEN) == 0) {

                fHostnameString.SetTo(hostname, MAXHOSTNAMELEN);
                fHostname->SetText(fHostnameString);

                return B_OK;
        }

        return B_ERROR;
}


status_t
HostnameView::_SaveHostname()
{
        BString hostnamestring("");

        size_t hostnamelen(strlen(fHostname->Text()));

        if (hostnamelen == 0)
                return B_ERROR;

        if (hostnamelen > MAXHOSTNAMELEN) {
                hostnamestring.Truncate(MAXHOSTNAMELEN);
                hostnamelen = MAXHOSTNAMELEN;
        }

        hostnamestring << fHostname->Text();

        if (sethostname(hostnamestring, hostnamelen) == 0)
                return B_OK;

        return B_ERROR;
}