/*
 * Copyright 2006, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
 * Copyright 2023, Haiku, Inc.
 * Distributed under the terms of the MIT License.
 */


#include "IconMenuItem.h"
#include "SupportingAppsMenu.h"

#include <AppFileInfo.h>
#include <Menu.h>
#include <MenuItem.h>


static int
compare_menu_items(const void* _a, const void* _b)
{
        BMenuItem* a = *(BMenuItem**)_a;
        BMenuItem* b = *(BMenuItem**)_b;

        return strcasecmp(a->Label(), b->Label());
}


static IconMenuItem*
create_application_item(const char* signature, uint32 what)
{
        char name[B_FILE_NAME_LENGTH];

        BMessage* message = new BMessage(what);
        message->AddString("signature", signature);

        BMimeType applicationType(signature);
        if (applicationType.GetShortDescription(name) == B_OK)
                return new IconMenuItem(name, message, signature);

        return new IconMenuItem(signature, message, signature);
}


//      #pragma mark - Public functions


void
update_supporting_apps_menu(BMenu* menu, BMimeType* type, uint32 what, BHandler* target)
{
        // clear menu
        for (int32 i = menu->CountItems(); i-- > 0;)
                delete menu->RemoveItem(i);

        // fill it again
        BMessage applications;
        if (type == NULL || type->GetSupportingApps(&applications) != B_OK)
                return;

        int32 lastFullSupport;
        if (applications.FindInt32("be:sub", &lastFullSupport) != B_OK)
                lastFullSupport = -1;

        BList subList;
        BList superList;

        const char* signature;
        int32 i = 0;
        while (applications.FindString("applications", i, &signature) == B_OK) {
                if (!strcasecmp(signature, kApplicationSignature)) {
                        i++;
                        continue;
                }

                BMenuItem* item = create_application_item(signature, what);
                item->SetTarget(target);

                if (i < lastFullSupport)
                        subList.AddItem(item);
                else
                        superList.AddItem(item);

                i++;
        }

        // sort lists
        subList.SortItems(compare_menu_items);
        superList.SortItems(compare_menu_items);

        // add lists to the menu
        for (int32 i = 0; i < subList.CountItems(); i++)
                menu->AddItem((BMenuItem*)subList.ItemAt(i));

        // Add type separator
        if (superList.CountItems() != 0 && subList.CountItems() != 0)
                menu->AddSeparatorItem();

        for (int32 i = 0; i < superList.CountItems(); i++)
                menu->AddItem((BMenuItem*)superList.ItemAt(i));

        for (int32 index = 0; index < menu->CountItems(); index++) {
                BMenuItem* item = menu->ItemAt(index);
                if (item == NULL)
                        continue;

                if (item->Message() == NULL
                        || item->Message()->FindString("signature", &signature) != B_OK)
                        continue;
        }
}