/*
 * Copyright 2013,      Jérôme DUVAL.
 * All rights reserved. Distributed under the terms of the MIT license.
 */


#include "EULAWindow.h"

#include <Application.h>
#include <Box.h>
#include <Button.h>
#include <Catalog.h>
#include <LayoutBuilder.h>
#include <LayoutUtils.h>
#include <Roster.h>
#include <ScrollView.h>
#include <SpaceLayoutItem.h>

#include "tracker_private.h"

static const uint32 kMsgAgree = 'agre';
static const uint32 kMsgNext = 'next';

#undef B_TRANSLATION_CONTEXT
#define B_TRANSLATION_CONTEXT "InstallerApp"


EULAWindow::EULAWindow()
        :
        BWindow(BRect(), B_TRANSLATE("README"), B_MODAL_WINDOW_LOOK, B_NORMAL_WINDOW_FEEL,
                B_NOT_ZOOMABLE | B_NOT_MINIMIZABLE | B_AUTO_UPDATE_SIZE_LIMITS)
{
        BString infoText;
        infoText << B_TRANSLATE(
                "Welcome to the Haiku Installer!\n\n");
        infoText << B_TRANSLATE(
                "IMPORTANT INFORMATION BEFORE INSTALLING HAIKU\n\n");
        infoText << B_TRANSLATE(
                "This is beta-quality software! It means there is a risk of "
                "losing important data. Make frequent backups! You have been "
                "warned.\n\n\n");
        infoText << B_TRANSLATE(
                "1)   If you are installing Haiku onto real hardware (not inside an "
                "emulator), you may want to prepare a hard disk partition from "
                "another OS (you could, for example, use a GParted Live-CD, which "
                "can also resize existing partitions to make room).\n"
                "You can also set up partitions by launching DriveSetup from "
                "Installer, but you won't be able to resize existing partitions with "
                "it. While DriveSetup has been quite thoroughly tested over the "
                "years, it's recommended to have up-to-date backups of the other "
                "partitions on your system. Just in case" B_UTF8_ELLIPSIS);
        infoText << "\n\n\n";
        infoText << B_TRANSLATE(
                "2)   The Installer will make the Haiku partition itself bootable, "
                "but takes no steps to integrate Haiku into an existing boot menu. "
                "If you have GRUB already installed, you can add Haiku to it.\n"
                "For details, please consult the guide on booting Haiku on our "
                "website at https://www.haiku-os.org/guides/booting.\n"
                "Or you can set up a boot menu from Installer's \"Tools\" menu, see "
                "the Haiku User Guide's topic on the application \"BootManager\"."
                "\n\n\n");
        infoText << B_TRANSLATE(
                "3)   When you successfully boot into Haiku for the first time, make "
                "sure to read our \"User Guide\" and take the \"Quick Tour\". There "
                "are links on the Desktop and in WebPositive's bookmarks.\n\n");
        infoText << B_TRANSLATE(
                "Have fun and thanks for trying out Haiku!");

        BTextView* textView = new BTextView("eula", be_plain_font, NULL, B_WILL_DRAW);
        textView->SetInsets(10, 10, 10, 10);
        textView->MakeEditable(false);
        textView->MakeSelectable(false);
        textView->SetText(infoText);

        BScrollView* scrollView = new BScrollView("eulaScroll",
                textView, B_WILL_DRAW, false, true);

        BButton* cancelButton = new BButton(B_TRANSLATE("Quit"),
                new BMessage(B_QUIT_REQUESTED));
        cancelButton->SetTarget(be_app);

        BButton* continueButton = new BButton(B_TRANSLATE("Continue"),
                new BMessage(kMsgAgree));
        continueButton->SetTarget(be_app);
        continueButton->MakeDefault(true);

        if (!be_roster->IsRunning(kTrackerSignature))
                SetWorkspaces(B_ALL_WORKSPACES);

        BLayoutBuilder::Group<>(this, B_VERTICAL, B_USE_DEFAULT_SPACING)
                .SetInsets(B_USE_WINDOW_SPACING)
                .Add(scrollView)
                .AddGroup(B_HORIZONTAL, B_USE_ITEM_SPACING)
                        .AddGlue()
                        .Add(cancelButton)
                        .Add(continueButton);

        font_height fontHeight;
        be_plain_font->GetHeight(&fontHeight);
        const float lineHeight = fontHeight.ascent + fontHeight.descent;
        GetLayout()->SetExplicitSize(BSize(be_plain_font->StringWidth("M") * 60, lineHeight * 30));
        CenterOnScreen();
        Show();
}


bool
EULAWindow::QuitRequested()
{
        be_app->PostMessage(kMsgNext);
        return true;
}