#include "global.h"
#include "main.h"
#include "text.h"
#include "task.h"
#include "alloc.h"
#include "gpu_regs.h"
#include "scanline_effect.h"
#include "text_window.h"
#include "bg.h"
#include "window.h"
#include "strings.h"
#include "text_window.h"
#include "menu.h"
#include "palette.h"
#include "constants/songs.h"
#include "sound.h"
#include "mystery_gift.h"
#include "union_room.h"
#include "title_screen.h"
#include "ereader_screen.h"
#include "international_string_util.h"
#include "list_menu.h"

void bgid_upload_textbox_1(u8 bgId);
void task_add_00_mystery_gift(void);

EWRAM_DATA u8 gUnknown_02022C58 = 0;
EWRAM_DATA u8 gUnknown_02022C59 = 0;

const u16 gUnkTextboxBorderPal[] = INCBIN_U16("graphics/interface/unk_textbox_border.gbapal");
const u32 gUnkTextboxBorderGfx[] = INCBIN_U32("graphics/interface/unk_textbox_border.4bpp.lz");

const struct BgTemplate gUnknown_082F0598[] = {
    {
        .bg = 0,
        .charBaseIndex = 2,
        .mapBaseIndex = 15,
        .screenSize = 0,
        .paletteMode = 0,
        .priority = 0,
        .baseTile = 0x000
    }, {
        .bg = 1,
        .charBaseIndex = 0,
        .mapBaseIndex = 14,
        .screenSize = 0,
        .paletteMode = 0,
        .priority = 1,
        .baseTile = 0x000
    }, {
        .bg = 2,
        .charBaseIndex = 0,
        .mapBaseIndex = 13,
        .screenSize = 0,
        .paletteMode = 0,
        .priority = 2,
        .baseTile = 0x000
    }, {
        .bg = 3,
        .charBaseIndex = 0,
        .mapBaseIndex = 12,
        .screenSize = 0,
        .paletteMode = 0,
        .priority = 3,
        .baseTile = 0x000
    }
};

const struct WindowTemplate gUnknown_082F05A8[] = {
    {
        .bg = 0x00,
        .tilemapLeft = 0x00,
        .tilemapTop = 0x00,
        .width = 0x1e,
        .height = 0x02,
        .paletteNum = 0x0c,
        .baseBlock = 0x0013
    }, {
        .bg = 0x00,
        .tilemapLeft = 0x01,
        .tilemapTop = 0x0f,
        .width = 0x1c,
        .height = 0x04,
        .paletteNum = 0x0c,
        .baseBlock = 0x004f
    }, {
        .bg = 0x00,
        .tilemapLeft = 0x00,
        .tilemapTop = 0x0f,
        .width = 0x1e,
        .height = 0x05,
        .paletteNum = 0x0d,
        .baseBlock = 0x004f
    }, {
        0xFF
    }
};

const struct WindowTemplate gUnknown_082F05C8 = {
    .bg = 0x00,
    .tilemapLeft = 0x01,
    .tilemapTop = 0x0f,
    .width = 0x1c,
    .height = 0x04,
    .paletteNum = 0x0c,
    .baseBlock = 0x00e5
};

const struct WindowTemplate gUnknown_082F05D0 = {
    .bg = 0x00,
    .tilemapLeft = 0x01,
    .tilemapTop = 0x0f,
    .width = 0x14,
    .height = 0x04,
    .paletteNum = 0x0c,
    .baseBlock = 0x00e5
};

const struct WindowTemplate gUnknown_082F05D8 = {
    .bg = 0x00,
    .tilemapLeft = 0x01,
    .tilemapTop = 0x0f,
    .width = 0x13,
    .height = 0x04,
    .paletteNum = 0x0c,
    .baseBlock = 0x00e5
};

const struct WindowTemplate gUnknown_082F05E0 = {
    .bg = 0x00,
    .tilemapLeft = 0x08,
    .tilemapTop = 0x06,
    .width = 0x0e,
    .height = 0x06,
    .paletteNum = 0x0c,
    .baseBlock = 0x0155
};

const struct WindowTemplate gUnknown_082F05E8 = {
    .bg = 0x00,
    .tilemapLeft = 0x17,
    .tilemapTop = 0x0f,
    .width = 0x06,
    .height = 0x04,
    .paletteNum = 0x0c,
    .baseBlock = 0x0155
};

const struct WindowTemplate gUnknown_082F05F0 = {
    .bg = 0x00,
    .tilemapLeft = 0x16,
    .tilemapTop = 0x0b,
    .width = 0x07,
    .height = 0x08,
    .paletteNum = 0x0c,
    .baseBlock = 0x0155
};

const struct WindowTemplate gUnknown_082F05F8 = {
    .bg = 0x00,
    .tilemapLeft = 0x16,
    .tilemapTop = 0x0d,
    .width = 0x07,
    .height = 0x06,
    .paletteNum = 0x0c,
    .baseBlock = 0x0155
};

const struct WindowTemplate gUnknown_082F0600 = {
    .bg = 0x00,
    .tilemapLeft = 0x16,
    .tilemapTop = 0x0f,
    .width = 0x07,
    .height = 0x04,
    .paletteNum = 0x0c,
    .baseBlock = 0x0155
};

const struct ListMenuItem gUnknown_082F0608[] = {
    { gText_WonderCards,  0 },
    { gText_WonderNews,   1 },
    { gText_Exit3,       -2 }
};

const struct ListMenuItem gUnknown_082F0620[] = {
    { gText_WirelessCommunication,  0 },
    { gText_Friend2,                1 },
    { gText_Cancel2,               -2 }
};

const struct ListMenuTemplate gUnknown_082F0638 = {
    .items = NULL,
    .moveCursorFunc = ListMenuDefaultCursorMoveFunc,
    .itemPrintFunc = NULL,
    .totalItems = 3,
    .maxShowed = 3,
    .windowId = 0,
    .header_X = 0,
    .item_X = 8,
    .cursor_X = 0,
    .upText_Y = 1,
    .cursorPal = 2,
    .fillValue = 1,
    .cursorShadowPal = 3,
    .lettersSpacing = 0,
    .itemVerticalPadding = 0,
    .scrollMultiple = 0,
    .fontId = 1,
    .cursorKind = 0
};

const struct ListMenuItem gUnknown_082F0650[] = {
    { gText_Receive,  0 },
    { gText_Send,     1 },
    { gText_Toss,     2 },
    { gText_Cancel2, -2 }
};

const struct ListMenuItem gUnknown_082F0670[] = {
    { gText_Receive,  0 },
    { gText_Toss,     2 },
    { gText_Cancel2, -2 }
};

const struct ListMenuItem gUnknown_082F0688[] = {
    { gText_Receive,  0 },
    { gText_Send,     1 },
    { gText_Cancel2, -2 }
};

const struct ListMenuItem gUnknown_082F06A0[] = {
    { gText_Receive,  0 },
    { gText_Cancel2, -2 }
};

const struct ListMenuTemplate gUnknown_082F06B0 = {
    .items = gUnknown_082F0650,
    .moveCursorFunc = ListMenuDefaultCursorMoveFunc,
    .itemPrintFunc = NULL,
    .totalItems = 4,
    .maxShowed = 4,
    .windowId = 0,
    .header_X = 0,
    .item_X = 8,
    .cursor_X = 0,
    .upText_Y = 1,
    .cursorPal = 2,
    .fillValue = 1,
    .cursorShadowPal = 3,
    .lettersSpacing = 0,
    .itemVerticalPadding = 0,
    .scrollMultiple = 0,
    .fontId = 1,
    .cursorKind = 0
};

const struct ListMenuTemplate gUnknown_082F06C8 = {
    .items = gUnknown_082F0670,
    .moveCursorFunc = ListMenuDefaultCursorMoveFunc,
    .itemPrintFunc = NULL,
    .totalItems = 3,
    .maxShowed = 3,
    .windowId = 0,
    .header_X = 0,
    .item_X = 8,
    .cursor_X = 0,
    .upText_Y = 1,
    .cursorPal = 2,
    .fillValue = 1,
    .cursorShadowPal = 3,
    .lettersSpacing = 0,
    .itemVerticalPadding = 0,
    .scrollMultiple = 0,
    .fontId = 1,
    .cursorKind = 0
};

const struct ListMenuTemplate gUnknown_082F06E0 = {
    .items = gUnknown_082F0688,
    .moveCursorFunc = ListMenuDefaultCursorMoveFunc,
    .itemPrintFunc = NULL,
    .totalItems = 3,
    .maxShowed = 3,
    .windowId = 0,
    .header_X = 0,
    .item_X = 8,
    .cursor_X = 0,
    .upText_Y = 1,
    .cursorPal = 2,
    .fillValue = 1,
    .cursorShadowPal = 3,
    .lettersSpacing = 0,
    .itemVerticalPadding = 0,
    .scrollMultiple = 0,
    .fontId = 1,
    .cursorKind = 0
};

const struct ListMenuTemplate gUnknown_082F06F8 = {
    .items = gUnknown_082F06A0,
    .moveCursorFunc = ListMenuDefaultCursorMoveFunc,
    .itemPrintFunc = NULL,
    .totalItems = 2,
    .maxShowed = 2,
    .windowId = 0,
    .header_X = 0,
    .item_X = 8,
    .cursor_X = 0,
    .upText_Y = 1,
    .cursorPal = 2,
    .fillValue = 1,
    .cursorShadowPal = 3,
    .lettersSpacing = 0,
    .itemVerticalPadding = 0,
    .scrollMultiple = 0,
    .fontId = 1,
    .cursorKind = 0
};

const u8 *const Unref_082F0710[] = {
    gText_VarietyOfEventsImportedWireless,
    gText_WonderCardsInPossession,
    gText_ReadNewsThatArrived,
    gText_ReturnToTitle
};

ALIGNED(2) const u8 gUnknown_082F0720[] = { 0, 1, 2 };
ALIGNED(2) const u8 gUnknown_082F0724[] = { 0, 1, 2 };
ALIGNED(2) const u8 gUnknown_082F0728[] = { 1, 2, 3 };

void sub_8018424(void)
{
    ProcessSpriteCopyRequests();
    LoadOam();
    TransferPlttBuffer();
}

void sub_8018438(void)
{
    RunTasks();
    RunTextPrinters();
    AnimateSprites();
    BuildOamBuffer();
}

bool32 sub_8018450(s32 arg)
{
    switch (gMain.state)
    {
    case 0:
        SetVBlankCallback(NULL);
        ResetPaletteFade();
        ResetSpriteData();
        FreeAllSpritePalettes();
        ResetTasks();
        ScanlineEffect_Stop();
        ResetBgsAndClearDma3BusyFlags(0);

        InitBgsFromTemplates(0, gUnknown_082F0598, ARRAY_COUNT(gUnknown_082F0598));
        ChangeBgX(0, 0, 0);
        ChangeBgY(0, 0, 0);
        ChangeBgX(1, 0, 0);
        ChangeBgY(1, 0, 0);
        ChangeBgX(2, 0, 0);
        ChangeBgY(2, 0, 0);
        ChangeBgX(3, 0, 0);
        ChangeBgY(3, 0, 0);

        SetBgTilemapBuffer(3, Alloc(0x800));
        SetBgTilemapBuffer(2, Alloc(0x800));
        SetBgTilemapBuffer(1, Alloc(0x800));
        SetBgTilemapBuffer(0, Alloc(0x800));

        bgid_upload_textbox_1(3);
        InitWindows(gUnknown_082F05A8);
        DeactivateAllTextPrinters();
        ClearGpuRegBits(REG_OFFSET_DISPCNT, DISPCNT_WIN0_ON | DISPCNT_WIN1_ON);
        SetGpuReg(REG_OFFSET_BLDCNT, 0);
        SetGpuReg(REG_OFFSET_BLDALPHA, 0);
        SetGpuReg(REG_OFFSET_BLDY, 0);
        gMain.state++;
        break;
    case 1:
        LoadPalette(gUnkTextboxBorderPal, 0, 0x20);
        LoadPalette(stdpal_get(2), 0xd0, 0x20);
        sub_81978B0(0xC0);
        LoadUserWindowBorderGfx(0, 0xA, 0xE0);
        LoadUserWindowBorderGfx_(0, 0x1, 0xF0);
        FillBgTilemapBufferRect(0, 0x000, 0, 0, 32, 32, 0x11);
        FillBgTilemapBufferRect(1, 0x000, 0, 0, 32, 32, 0x11);
        FillBgTilemapBufferRect(2, 0x000, 0, 0, 32, 32, 0x11);
        sub_8018798(3);
        sub_80186EC(arg, 0);
        gMain.state++;
        break;
    case 2:
        CopyBgTilemapBufferToVram(3);
        CopyBgTilemapBufferToVram(2);
        CopyBgTilemapBufferToVram(1);
        CopyBgTilemapBufferToVram(0);
        gMain.state++;
        break;
    case 3:
        ShowBg(0);
        ShowBg(3);
        PlayBGM(MUS_RG_OKURIMONO);
        SetVBlankCallback(sub_8018424);
        EnableInterrupts(INTR_FLAG_VBLANK | INTR_FLAG_VCOUNT | INTR_FLAG_TIMER3 | INTR_FLAG_SERIAL);
        return TRUE;
    }

    return FALSE;
}

void c2_mystery_gift(void)
{
    if (sub_8018450(0))
    {
        SetMainCallback2(sub_8018438);
        gUnknown_02022C60 = FALSE;
        task_add_00_mystery_gift();
    }
    RunTasks();
}

void sub_801867C(void)
{
    if (sub_8018450(1))
    {
        SetMainCallback2(sub_8018438);
        gUnknown_02022C60 = TRUE;
        sub_81D5014();
    }
}

void sub_80186A4(void)
{
    gUnknown_02022C60 = FALSE;
    FreeAllWindowBuffers();
    Free(GetBgTilemapBuffer(0));
    Free(GetBgTilemapBuffer(1));
    Free(GetBgTilemapBuffer(2));
    Free(GetBgTilemapBuffer(3));
    SetMainCallback2(CB2_InitTitleScreen);
}

void sub_80186EC(bool8 isJapanese, bool32 usePickOkCancel)
{
    const u8 * header;
    const u8 * options;
    FillWindowPixelBuffer(0, 0);
    if (!isJapanese)
    {
        header = gText_MysteryGift;
        options = !usePickOkCancel ? gText_PickOKExit : gText_PickOKCancel;
    }
    else
    {
        header = gJPText_MysteryGift;
        options = gJPText_DecideStop;
    }

    AddTextPrinterParameterized4(0, 1, 4, 1, 0, 0, gUnknown_082F0720, -1, header);
    AddTextPrinterParameterized4(0, 0, GetStringRightAlignXOffset(0, options, 0xDE), 1, 0, 0, gUnknown_082F0720, -1, options);
    CopyWindowToVram(0, 2);
    PutWindowTilemap(0);
}

void sub_8018784(u8 windowId)
{
    sub_8098858(windowId, 0x01, 0xF);
}

void sub_8018798(u32 bg)
{
    s32 i = 0, j;

    FillBgTilemapBufferRect(bg, 0x003, 0, 0, 32, 2, 0x11);

    for (i = 0; i < 18; i++)
    {
        for (j = 0; j < 32; j++)
        {
            if ((i & 1) != (j & 1))
            {
                FillBgTilemapBufferRect(bg, 1, j, i + 2, 1, 1, 0x11);
            }
            else
            {
                FillBgTilemapBufferRect(bg, 2, j, i + 2, 1, 1, 0x11);
            }
        }
    }
}