/*
*   This file is part of Luma3DS
*   Copyright (C) 2016-2017 Aurora Wright, TuxSH
*
*   This program is free software: you can redistribute it and/or modify
*   it under the terms of the GNU General Public License as published by
*   the Free Software Foundation, either version 3 of the License, or
*   (at your option) any later version.
*
*   This program is distributed in the hope that it will be useful,
*   but WITHOUT ANY WARRANTY; without even the implied warranty of
*   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
*   GNU General Public License for more details.
*
*   You should have received a copy of the GNU General Public License
*   along with this program.  If not, see <http://www.gnu.org/licenses/>.
*
*   Additional Terms 7.b and 7.c of GPLv3 apply to this file:
*       * Requiring preservation of specified reasonable legal notices or
*         author attributions in that material or in the Appropriate Legal
*         Notices displayed by works containing it.
*       * Prohibiting misrepresentation of the origin of that material,
*         or requiring that modified versions of such material be marked in
*         reasonable ways as different from the original version.
*/

#include <3ds.h>
#include "menus.h"
#include "menu.h"
#include "draw.h"
#include "menus/process_list.h"
#include "menus/process_patches.h"
#include "menus/n3ds.h"
#include "menus/debugger.h"
#include "menus/miscellaneous.h"
#include "ifile.h"
#include "memory.h"
#include "fmt.h"

Menu rosalinaMenu = {
    "Rosalina menu",
    .nbItems = 7,
    {
        { "Process list", METHOD, .method = &RosalinaMenu_ProcessList },
        { "Process patches menu...", MENU, .menu = &processPatchesMenu },
        { "Take screenshot (slow!)", METHOD, .method = &RosalinaMenu_TakeScreenshot },
        { "New 3DS menu...", MENU, .menu = &N3DSMenu },
        { "Debugger options...", MENU, .menu = &debuggerMenu },
        { "Miscellaneous options...", MENU, .menu = &miscellaneousMenu },
        { "Credits", METHOD, .method = &RosalinaMenu_ShowCredits }
    }
};

void RosalinaMenu_ShowCredits(void)
{
    Draw_Lock();
    Draw_ClearFramebuffer();
    Draw_FlushFramebuffer();
    Draw_Unlock();

    do
    {
        Draw_Lock();
        Draw_DrawString(10, 10, COLOR_TITLE, "Rosalina -- Luma3DS credits");

        u32 posY = Draw_DrawString(10, 30, COLOR_WHITE, "Luma3DS (c) 2016-2017 AuroraWright, TuxSH") + SPACING_Y;

        posY = Draw_DrawString(10, posY + SPACING_Y, COLOR_WHITE, "3DSX loading code by fincs");
        posY = Draw_DrawString(10, posY + SPACING_Y, COLOR_WHITE, "Networking code & basic GDB functionality by Stary");
        posY = Draw_DrawString(10, posY + SPACING_Y, COLOR_WHITE, "InputRedirection by Stary (PoC by ShinyQuagsire)");

        posY += 2 * SPACING_Y;

        Draw_DrawString(10, posY, COLOR_WHITE,
            (
                "Special thanks to:\n"
                "  Bond697, WinterMute, yifanlu,\n"
                "  Luma3DS contributors, ctrulib contributors,\n"
                "  other people"
            ));

        Draw_FlushFramebuffer();
        Draw_Unlock();
    }
    while(!(waitInput() & BUTTON_B) && !terminationRequest);
}

void RosalinaMenu_TakeScreenshot(void)
{
#define TRY(expr) if(R_FAILED(res = (expr))) goto end;

    u64 total;
    IFile file;
    u8 buf[54];
    Result res;

    u32 filenum;
    char filename[64];

    FS_Archive archive;
    FS_ArchiveID archiveId;
    s64 out;
    bool isSdMode;
    
    if(R_FAILED(svcGetSystemInfo(&out, 0x10000, 6))) svcBreak(USERBREAK_ASSERT);
    isSdMode = (bool)out;

    archiveId = isSdMode ? ARCHIVE_SDMC : ARCHIVE_NAND_RW;
    Draw_Lock();
    Draw_RestoreFramebuffer();

    res = FSUSER_OpenArchive(&archive, archiveId, fsMakePath(PATH_EMPTY, ""));
    if(R_SUCCEEDED(res))
    {
        res = FSUSER_CreateDirectory(archive, fsMakePath(PATH_ASCII, "/luma/screenshots"), 0);
        if((u32)res == 0xC82044BE) // directory already exists
            res = 0;
        FSUSER_CloseArchive(archive);
    }

    for(filenum = 0; filenum <= 9999999; filenum++) // find an unused file name
    {
        Result res1, res2, res3;
        IFile fileR;

        sprintf(filename, "/luma/screenshots/top_%04u.bmp", filenum);
        res1 = IFile_Open(&fileR, archiveId, fsMakePath(PATH_EMPTY, ""), fsMakePath(PATH_ASCII, filename), FS_OPEN_READ);
        IFile_Close(&fileR);

        sprintf(filename, "/luma/screenshots/bot_%04u.bmp", filenum);
        res2 = IFile_Open(&fileR, archiveId, fsMakePath(PATH_EMPTY, ""), fsMakePath(PATH_ASCII, filename), FS_OPEN_READ);
        IFile_Close(&fileR);

        sprintf(filename, "/luma/screenshots/top_right_%04u.bmp", filenum);
        res3 = IFile_Open(&fileR, archiveId, fsMakePath(PATH_EMPTY, ""), fsMakePath(PATH_ASCII, filename), FS_OPEN_READ);
        IFile_Close(&fileR);

        if(R_FAILED(res1) && R_FAILED(res2) && R_FAILED(res3))
            break;
    }

    sprintf(filename, "/luma/screenshots/top_%04u.bmp", filenum);
    TRY(IFile_Open(&file, archiveId, fsMakePath(PATH_EMPTY, ""), fsMakePath(PATH_ASCII, filename), FS_OPEN_CREATE | FS_OPEN_WRITE));
    Draw_CreateBitmapHeader(buf, 400, 240);
    TRY(IFile_Write(&file, &total, buf, 54, 0));

    for(u32 y = 0; y < 240; y++)
    {
        u8 *line = Draw_ConvertFrameBufferLine(true, true, y);
        TRY(IFile_Write(&file, &total, line, 3 * 400, 0));
    }

    TRY(IFile_Close(&file));

    sprintf(filename, "/luma/screenshots/bot_%04u.bmp", filenum);
    TRY(IFile_Open(&file, archiveId, fsMakePath(PATH_EMPTY, ""), fsMakePath(PATH_ASCII, filename), FS_OPEN_CREATE | FS_OPEN_WRITE));
    Draw_CreateBitmapHeader(buf, 320, 240);
    TRY(IFile_Write(&file, &total, buf, 54, 0));

    for(u32 y = 0; y < 240; y++)
    {
        u8 *line = Draw_ConvertFrameBufferLine(false, true, y);
        TRY(IFile_Write(&file, &total, line, 3 * 320, 0));
    }

    if((GPU_FB_TOP_FMT & 0x20) && (Draw_GetCurrentFramebufferAddress(true, true) != Draw_GetCurrentFramebufferAddress(true, false)))
    {
        sprintf(filename, "/luma/screenshots/top_right_%04u.bmp", filenum);
        TRY(IFile_Open(&file, archiveId, fsMakePath(PATH_EMPTY, ""), fsMakePath(PATH_ASCII, filename), FS_OPEN_CREATE | FS_OPEN_WRITE));
        Draw_CreateBitmapHeader(buf, 400, 240);
        TRY(IFile_Write(&file, &total, buf, 54, 0));

        for(u32 y = 0; y < 240; y++)
        {
            u8 *line = Draw_ConvertFrameBufferLine(true, false, y);
            TRY(IFile_Write(&file, &total, line, 3 * 400, 0));
        }
    }

end:
    IFile_Close(&file);
    Draw_SetupFramebuffer();
    Draw_ClearFramebuffer();
    Draw_FlushFramebuffer();
    Draw_Unlock();

    do
    {
        Draw_Lock();
        Draw_DrawString(10, 10, COLOR_TITLE, "Screenshot");
        if(R_FAILED(res))
            Draw_DrawFormattedString(10, 30, COLOR_WHITE, "Operation failed (0x%08x).", (u32)res);
        else
            Draw_DrawString(10, 30, COLOR_WHITE, "Operation succeeded.");

        Draw_FlushFramebuffer();
        Draw_Unlock();
    }
    while(!(waitInput() & BUTTON_B) && !terminationRequest);

#undef TRY
}