#include "menu.hpp"
#include "nand.hpp"
#include "svnrev.h"

#include "sys.h"
#include "alt_ios.h"
#include "defines.h"
#include "cios.hpp"

const int pixels_to_skip = 10;

extern const u8 english_txt[];

//About menu
u16 m_aboutLblTitle;
u16 m_aboutLblInfo;
u16 m_aboutLblUser[4];
u16 m_aboutLblIOS;

void CMenu::_about(void)
{
	int amount_of_skips = 0;
	int thanks_x = 0, thanks_y = 0;
	u32 thanks_w = 0, thanks_h = 0;
	bool first = true;

	_textAbout();
	m_btnMgr.reset(m_aboutLblInfo, true);

	SetupInput();
	_showAbout();

	while(1)
	{
		_mainLoopCommon();

		if (amount_of_skips == 0)
		{
			// Check dimensions in the loop, because the animation can have an effect
			m_btnMgr.getDimensions(m_aboutLblInfo, thanks_x, thanks_y, thanks_w, thanks_h); // Get original dimensions
		}	
		if(first)
		{
			m_btnMgr.moveBy(m_aboutLblInfo, 0, -1);
			amount_of_skips++;
			first = false;
		}

		if ((BTN_DOWN_PRESSED || BTN_DOWN_HELD) && !(m_thrdWorking && m_thrdStop))
		{
			if (thanks_h - (amount_of_skips * pixels_to_skip) > (m_vid.height2D() - (35 + thanks_y)))
			{
				m_btnMgr.moveBy(m_aboutLblInfo, 0, -pixels_to_skip);
				amount_of_skips++;
			}
		}
		else if ((BTN_UP_PRESSED || BTN_UP_HELD) && !(m_thrdWorking && m_thrdStop))
		{
			if (amount_of_skips > 1)
			{
				m_btnMgr.moveBy(m_aboutLblInfo, 0, pixels_to_skip);
				amount_of_skips--;
			}
		}
		else if (BTN_HOME_PRESSED || BTN_B_PRESSED)
			break;
	}
	_hideAbout(false);
}

void CMenu::_hideAbout(bool instant)
{
	m_btnMgr.hide(m_aboutLblTitle, instant);
	m_btnMgr.hide(m_aboutLblIOS, instant);
	m_btnMgr.hide(m_aboutLblInfo, instant);
	for (u8 i = 0; i < ARRAY_SIZE(m_aboutLblUser); ++i)
	{
		if(m_aboutLblUser[i] != (u16)-1)
			m_btnMgr.hide(m_aboutLblUser[i], instant);
	}
}

void CMenu::_showAbout(void)
{
	_setBg(m_aboutBg, m_aboutBg);
	m_btnMgr.show(m_aboutLblTitle);
	m_btnMgr.show(m_aboutLblIOS);
	m_btnMgr.show(m_aboutLblInfo,false);
	for(u8 i = 0; i < ARRAY_SIZE(m_aboutLblUser); ++i)
	{
		if(m_aboutLblUser[i] != (u16)-1)
			m_btnMgr.show(m_aboutLblUser[i]);
	}
}

void CMenu::_initAboutMenu(CMenu::SThemeData &theme)
{
	STexture emptyTex;
	_addUserLabels(theme, m_aboutLblUser, ARRAY_SIZE(m_aboutLblUser), "ABOUT");
	m_aboutBg = _texture(theme.texSet, "ABOUT/BG", "texture", theme.bg);
	m_aboutLblTitle = _addTitle(theme, "ABOUT/TITLE", theme.titleFont, L"", 20, 30, 600, 75, theme.titleFontColor, FTGX_JUSTIFY_CENTER | FTGX_ALIGN_MIDDLE);
	m_aboutLblInfo = _addText(theme, "ABOUT/INFO", theme.txtFont, L"", 40, 120, 560, 280, theme.txtFontColor, FTGX_JUSTIFY_LEFT | FTGX_ALIGN_TOP);
	m_aboutLblIOS = _addLabel(theme, "ABOUT/IOS", theme.txtFont, L"", 240, 400, 360, 56, theme.txtFontColor, FTGX_JUSTIFY_RIGHT | FTGX_ALIGN_MIDDLE);

	_setHideAnim(m_aboutLblTitle, "ABOUT/TITLE", 0, 100, 0.f, 0.f);
	_setHideAnim(m_aboutLblInfo, "ABOUT/INFO", 0, 100, 0.f, 0.f);
	_setHideAnim(m_aboutLblIOS, "ABOUT/IOS", 0, 100, 0.f, 0.f);

	_hideAbout(true);
}

void CMenu::_textAbout(void)
{
	m_btnMgr.setText(m_aboutLblTitle, wfmt( L"%s (%s-r%s)", APP_NAME, APP_VERSION, SVN_REV), false);

	wstringEx help_text;
	FILE *f = fopen(fmt("%s/%s.txt", m_helpDir.c_str(), m_curLanguage.c_str()), "r");
	if(f)
	{
		fseek(f, 0, SEEK_END);
		u32 fsize = ftell(f);
		char *help = (char*)MEM2_alloc(fsize+1); //+1 for null character
		fseek(f, 0, SEEK_SET);
		fread(help, 1, fsize, f);
		help[fsize] = '\0';
		help_text.fromUTF8(help);
		MEM2_free(help);
		fclose(f);
	}
	else
		help_text.fromUTF8((char*)english_txt);

	wstringEx developers(wfmt(_fmt("about6", L"\nCurrent Developers:\n%s"), DEVELOPERS));
	wstringEx pDevelopers(wfmt(_fmt("about7", L"Past Developers:\n%s"), PAST_DEVELOPERS));

	wstringEx origLoader(wfmt(_fmt("about1", L"Original Loader By:\n%s"), LOADER_AUTHOR));
	wstringEx origGUI(wfmt(_fmt("about2", L"Original GUI By:\n%s"), GUI_AUTHOR));

	wstringEx codethx(wfmt(_fmt("about8", L"Bits of Code Obtained From:\n%s"), THANKS_CODE));
	wstringEx sites(wfmt(_fmt("about9", L"Supporting Websites:\n%s"), THANKS_SITES));

	wstringEx translator(wfmt(L", %s", m_loc.getWString(m_curLanguage, "translation_author").toUTF8().c_str()));
	wstringEx thanks(wfmt(_fmt("about4", L"Thanks To:\n%s"), THANKS));
	if(translator.size() > 3)
		thanks.append(translator);

	m_btnMgr.setText(m_aboutLblInfo,
			wfmt(L"%s\n\n%s\n\n%s\n\n%s\n\n%s\n\n%s\n\n%s\n\n%s",
			help_text.toUTF8().c_str(),
			developers.toUTF8().c_str(),
			pDevelopers.toUTF8().c_str(),
			origLoader.toUTF8().c_str(),
			origGUI.toUTF8().c_str(),
			codethx.toUTF8().c_str(),
			sites.toUTF8().c_str(),
			thanks.toUTF8().c_str()),
			false
		);

	Nand::Instance()->Disable_Emu();
	iosinfo_t * iosInfo = cIOSInfo::GetInfo(mainIOS);
	if(iosInfo != NULL)
		m_btnMgr.setText(m_aboutLblIOS, wfmt(_fmt("ios", L"IOS%i base %i v%i"), mainIOS, iosInfo->baseios, iosInfo->version), true);
	MEM2_free(iosInfo);
}