/*
 * Copyright 2001-2015, Haiku.
 * Distributed under the terms of the MIT License.
 *
 * Authors:
 *              Rafael Romo
 *              Stefano Ceccherini (burton666@libero.it)
 *              Axel Dörfler, axeld@pinc-software.de
 *              Augustin Cavalier <waddlesplash>
 */


#include "AlertWindow.h"
#include "Constants.h"

#include <Button.h>
#include <Catalog.h>
#include <String.h>
#include <TextView.h>
#include <Window.h>
#include <TimeUnitFormat.h>


#undef B_TRANSLATION_CONTEXT
#define B_TRANSLATION_CONTEXT "Screen"


AlertWindow::AlertWindow(BMessenger handler)
        : BAlert(B_TRANSLATE("Confirm changes"),
                         "", B_TRANSLATE("Undo"), B_TRANSLATE("Keep")),
        // we will wait 12 seconds until we send a message
        fSeconds(12),
        fHandler(handler)
{
        SetType(B_WARNING_ALERT);
        SetPulseRate(1000000);
        TextView()->SetStylable(true);
        TextView()->GetFontAndColor(0, &fOriginalFont);
        fFont = fOriginalFont;
        fFont.SetFace(B_BOLD_FACE);
        UpdateCountdownView();
}


void
AlertWindow::DispatchMessage(BMessage* message, BHandler* handler)
{
        if (message->what == B_PULSE) {
                if (--fSeconds == 0) {
                        fHandler.SendMessage(BUTTON_UNDO_MSG);
                        PostMessage(B_QUIT_REQUESTED);
                        Hide();
                } else
                        UpdateCountdownView();
        }

        BAlert::DispatchMessage(message, handler);
}


void
AlertWindow::MessageReceived(BMessage* message)
{
        switch (message->what) {
                case 'ALTB': // alert button message
                {
                        int32 which;
                        if (message->FindInt32("which", &which) == B_OK) {
                                if (which == 1)
                                        fHandler.SendMessage(MAKE_INITIAL_MSG);
                                else if (which == 0)
                                        fHandler.SendMessage(BUTTON_UNDO_MSG);
                                PostMessage(B_QUIT_REQUESTED);
                                Hide();
                        }
                        break;
                }

                case B_KEY_DOWN:
                {
                        int8 val;
                        if (message->FindInt8("byte", &val) == B_OK && val == B_ESCAPE) {
                                fHandler.SendMessage(BUTTON_UNDO_MSG);
                                PostMessage(B_QUIT_REQUESTED);
                                Hide();
                                break;
                        }
                        // fall through
                }

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


void
AlertWindow::UpdateCountdownView()
{
        BString str1 = B_TRANSLATE("Do you wish to keep these settings?");
        BString string = str1;
        string += "\n";
        string += B_TRANSLATE("Settings will revert in %seconds.");

        BTimeUnitFormat format;
        BString tmp;
        format.Format(tmp, fSeconds, B_TIME_UNIT_SECOND);

        string.ReplaceFirst("%seconds", tmp);
        // The below is black magic, do not touch. We really need to refactor
        // BTextView sometime...
        TextView()->SetFontAndColor(0, str1.Length() + 1, &fOriginalFont,
                B_FONT_ALL);
        TextView()->SetText(string.String());
        TextView()->SetFontAndColor(0, str1.Length(), &fFont, B_FONT_ALL);
}