/*
 * Copyright 2003-2004 Waldemar Kornewald. All rights reserved.
 * Copyright 2017 Haiku, Inc. All rights reserved.
 * Distributed under the terms of the MIT License.
 */

//-----------------------------------------------------------------------
// ConnectionOptionsAddon saves the loaded settings.
// ConnectionOptionsView saves the current settings.
//-----------------------------------------------------------------------

#include "ConnectionOptionsAddon.h"

#include "MessageDriverSettingsUtils.h"

#include <LayoutBuilder.h>

#include <PPPDefs.h>
#include <settings_tools.h>


// message constants
static const uint32 kMsgUpdateControls = 'UCTL';

// labels
static const char *kLabelConnectionOptions = "Options";
static const char *kLabelDialOnDemand = "Connect Automatically When Needed";
static const char *kLabelAskBeforeDialing = "Ask Before Dialing";
static const char *kLabelAutoRedial = "Redial Automatically";


ConnectionOptionsAddon::ConnectionOptionsAddon(BMessage *addons)
        : DialUpAddon(addons),
        fSettings(NULL),
        fProfile(NULL),
        fConnectionOptionsView(NULL)
{
}


ConnectionOptionsAddon::~ConnectionOptionsAddon()
{
}


bool
ConnectionOptionsAddon::LoadSettings(BMessage *settings, BMessage *profile, bool isNew)
{
        fIsNew = isNew;
        fDoesDialOnDemand = fAskBeforeDialing = fDoesAutoRedial = false;
        fSettings = settings;
        fProfile = profile;

        if(fConnectionOptionsView)
                fConnectionOptionsView->Reload();
                        // reset all views (empty settings)

        if(!settings || !profile || isNew)
                return true;

        BMessage parameter;
        int32 index = 0;
        const char *value;
        /* FIXME!
        if(FindMessageParameter(PPP_DIAL_ON_DEMAND_KEY, *fSettings, &parameter, &index)
                        && parameter.FindString(MDSU_VALUES, &value) == B_OK) {
                if(get_boolean_value(value, false))
                        fDoesDialOnDemand = true;

                parameter.AddBool(MDSU_VALID, true);
                fSettings->ReplaceMessage(MDSU_PARAMETERS, index, &parameter);
        }

        index = 0;
        if(FindMessageParameter(PPP_ASK_BEFORE_DIALING_KEY, *fSettings, &parameter, &index)
                        && parameter.FindString(MDSU_VALUES, &value) == B_OK) {
                if(get_boolean_value(value, false))
                        fAskBeforeDialing = true;

                parameter.AddBool(MDSU_VALID, true);
                fSettings->ReplaceMessage(MDSU_PARAMETERS, index, &parameter);
        }

        index = 0;
        if(FindMessageParameter(PPP_AUTO_REDIAL_KEY, *fSettings, &parameter, &index)
                        && parameter.FindString(MDSU_VALUES, &value) == B_OK) {
                if(get_boolean_value(value, false))
                        fDoesAutoRedial = true;

                parameter.AddBool(MDSU_VALID, true);
                fSettings->ReplaceMessage(MDSU_PARAMETERS, index, &parameter);
        }
        */

        if(fConnectionOptionsView)
                fConnectionOptionsView->Reload();
                        // reload new settings

        return true;
}


void
ConnectionOptionsAddon::IsModified(bool *settings, bool *profile) const
{
        *settings = *profile = false;

        if(!fSettings || !fConnectionOptionsView)
                return;

        *settings = DoesDialOnDemand() != fConnectionOptionsView->DoesDialOnDemand()
                || AskBeforeDialing() != fConnectionOptionsView->AskBeforeDialing()
                || DoesAutoRedial() != fConnectionOptionsView->DoesAutoRedial();
}


bool
ConnectionOptionsAddon::SaveSettings(BMessage *settings, BMessage *profile, bool saveTemporary)
{
        if(!fSettings || !settings)
                return false;

        BMessage parameter;
        if(fConnectionOptionsView->DoesDialOnDemand()) {
                parameter.MakeEmpty();
                // parameter.AddString(MDSU_NAME, PPP_DIAL_ON_DEMAND_KEY); // FIXME
                parameter.AddString(MDSU_VALUES, "enabled");
                settings->AddMessage(MDSU_PARAMETERS, &parameter);

                if(fConnectionOptionsView->AskBeforeDialing()) {
                        parameter.MakeEmpty();
                        // parameter.AddString(MDSU_NAME, PPP_ASK_BEFORE_DIALING_KEY); // FIXME
                        parameter.AddString(MDSU_VALUES, "enabled");
                        settings->AddMessage(MDSU_PARAMETERS, &parameter);
                }
        }

        if(fConnectionOptionsView->DoesAutoRedial()) {
                parameter.MakeEmpty();
                // parameter.AddString(MDSU_NAME, PPP_AUTO_REDIAL_KEY); // FIXME
                parameter.AddString(MDSU_VALUES, "enabled");
                settings->AddMessage(MDSU_PARAMETERS, &parameter);
        }

        return true;
}


bool
ConnectionOptionsAddon::GetPreferredSize(float *width, float *height) const
{
        BRect rect;
        if(Addons()->FindRect(DUN_TAB_VIEW_RECT, &rect) != B_OK)
                rect.Set(0, 0, 200, 300);
                        // set default values

        if(width)
                *width = rect.Width();
        if(height)
                *height = rect.Height();

        return true;
}


BView*
ConnectionOptionsAddon::CreateView()
{
        if(!fConnectionOptionsView) {
                fConnectionOptionsView = new ConnectionOptionsView(this);
                fConnectionOptionsView->Reload();
        }

        return fConnectionOptionsView;
}


ConnectionOptionsView::ConnectionOptionsView(ConnectionOptionsAddon *addon)
        : BView(kLabelConnectionOptions, 0),
        fAddon(addon)
{
        fDialOnDemand = new BCheckBox("DialOnDemand", kLabelDialOnDemand,
                new BMessage(kMsgUpdateControls));
        fAskBeforeDialing = new BCheckBox("AskBeforeDialing", kLabelAskBeforeDialing,
                NULL);
        fAutoRedial = new BCheckBox("AutoRedial", kLabelAutoRedial, NULL);

        BLayoutBuilder::Group<>(this, B_VERTICAL, B_USE_HALF_ITEM_SPACING)
                .SetInsets(B_USE_HALF_ITEM_INSETS)
                .Add(fDialOnDemand)
                .Add(fAskBeforeDialing)
                .Add(fAutoRedial)
                .AddGlue()
        .End();
}


void
ConnectionOptionsView::Reload()
{
        fDialOnDemand->SetValue(Addon()->DoesDialOnDemand() || Addon()->IsNew());
                // this is enabled by default
        fAskBeforeDialing->SetValue(Addon()->AskBeforeDialing());
        fAutoRedial->SetValue(Addon()->DoesAutoRedial());

        if(!Addon()->Settings())
                return;

        UpdateControls();
}


void
ConnectionOptionsView::AttachedToWindow()
{
        SetViewColor(Parent()->ViewColor());
        fDialOnDemand->SetTarget(this);
}


void
ConnectionOptionsView::MessageReceived(BMessage *message)
{
        switch(message->what) {
                case kMsgUpdateControls:
                        UpdateControls();
                break;

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


void
ConnectionOptionsView::UpdateControls()
{
        fAskBeforeDialing->SetEnabled(fDialOnDemand->Value());
        fAskBeforeDialing->SetValue(fDialOnDemand->Value());
}