/*
 * Copyright 2007-2012, Haiku, Inc. All rights reserved.
 * Copyright 2001 Dr. Zoidberg Enterprises. All rights reserved.
 *
 * Distributed under the terms of the MIT License.
 */


//!     Config views for the account, protocols, and filters.


#include "ConfigViews.h"

#include <Alert.h>
#include <Button.h>
#include <Catalog.h>
#include <Directory.h>
#include <Entry.h>
#include <FindDirectory.h>
#include <ListView.h>
#include <LayoutBuilder.h>
#include <Locale.h>
#include <Looper.h>
#include <MenuField.h>
#include <MenuItem.h>
#include <Path.h>
#include <PopUpMenu.h>
#include <TextControl.h>

#include <string.h>

#include <MailSettings.h>

#include "FilterConfigView.h"


#undef B_TRANSLATION_CONTEXT
#define B_TRANSLATION_CONTEXT "Config Views"


// AccountConfigView
const uint32 kMsgAccountNameChanged = 'anmc';

// ProtocolsConfigView
const uint32 kMsgProtocolChanged = 'prch';


// #pragma mark -


AccountConfigView::AccountConfigView(BMailAccountSettings* account)
        :
        BBox("account"),
        fAccount(account)
{
        SetLabel(B_TRANSLATE("Account settings"));

        fNameControl = new BTextControl(NULL, B_TRANSLATE("Account name:"), NULL,
                new BMessage(kMsgAccountNameChanged));
        fRealNameControl = new BTextControl(NULL, B_TRANSLATE("Real name:"), NULL,
                NULL);
        fReturnAddressControl = new BTextControl(NULL,
                B_TRANSLATE("Return address:"), NULL, NULL);

        BView* contents = new BView(NULL, 0);
        AddChild(contents);

        BLayoutBuilder::Grid<>(contents, 0.f)
                .SetInsets(B_USE_DEFAULT_SPACING)
                .Add(fNameControl->CreateLabelLayoutItem(), 0, 0)
                .Add(fNameControl->CreateTextViewLayoutItem(), 1, 0)
                .Add(fRealNameControl->CreateLabelLayoutItem(), 0, 1)
                .Add(fRealNameControl->CreateTextViewLayoutItem(), 1, 1)
                .Add(fReturnAddressControl->CreateLabelLayoutItem(), 0, 2)
                .Add(fReturnAddressControl->CreateTextViewLayoutItem(), 1, 2)
                .AddGlue(0, 3);
}


void
AccountConfigView::DetachedFromWindow()
{
        fAccount->SetName(fNameControl->Text());
        fAccount->SetRealName(fRealNameControl->Text());
        fAccount->SetReturnAddress(fReturnAddressControl->Text());
}


void
AccountConfigView::AttachedToWindow()
{
        UpdateViews();
        fNameControl->SetTarget(this);
}


void
AccountConfigView::MessageReceived(BMessage *msg)
{
        switch (msg->what) {
                case kMsgAccountNameChanged:
                        fAccount->SetName(fNameControl->Text());
                        break;

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


void
AccountConfigView::UpdateViews()
{
        fNameControl->SetText(fAccount->Name());
        fRealNameControl->SetText(fAccount->RealName());
        fReturnAddressControl->SetText(fAccount->ReturnAddress());
}


// #pragma mark -


ProtocolSettingsView::ProtocolSettingsView(const entry_ref& ref,
        const BMailAccountSettings& accountSettings,
        BMailProtocolSettings& settings)
        :
        BBox("protocol"),
        fSettings(settings),
        fSettingsView(NULL)
{
        status_t status = _CreateSettingsView(ref, accountSettings, settings);
        BView* view = fSettingsView;

        if (status == B_OK) {
                SetLabel(ref.name);
        } else {
                BString text(B_TRANSLATE("An error occurred while creating the "
                        "config view: %error."));
                text.ReplaceAll("%error", strerror(status));
                view = new BStringView("error", text.String());

                SetLabel(B_TRANSLATE("Error!"));
        }

        BView* contents = new BView(NULL, 0);
        AddChild(contents);

        BLayoutBuilder::Group<>(contents, B_VERTICAL)
                .SetInsets(B_USE_DEFAULT_SPACING)
                .Add(view)
                .AddGlue();
}


void
ProtocolSettingsView::DetachedFromWindow()
{
        if (fSettingsView == NULL)
                return;

        if (fSettingsView->SaveInto(fSettings) != B_OK)
                return;

        // We need to remove the settings view before unloading its add-on
        fSettingsView->RemoveSelf();
        delete fSettingsView;
        fSettingsView = NULL;
        unload_add_on(fImage);
}


status_t
ProtocolSettingsView::_CreateSettingsView(const entry_ref& ref,
        const BMailAccountSettings& accountSettings,
        BMailProtocolSettings& settings)
{
        BMailSettingsView* (*instantiateConfig)(
                const BMailAccountSettings& accountSettings,
                BMailProtocolSettings& settings);
        BPath path(&ref);
        image_id image = load_add_on(path.Path());
        if (image < 0)
                return image;

        if (get_image_symbol(image, "instantiate_protocol_settings_view",
                        B_SYMBOL_TYPE_TEXT, (void**)&instantiateConfig) != B_OK) {
                unload_add_on(image);
                return B_MISSING_SYMBOL;
        }

        fImage = image;
        fSettingsView = instantiateConfig(accountSettings, settings);
        return B_OK;
}