#include "CnmtProcess.h"

#include <iostream>
#include <iomanip>

#include <fnd/SimpleTextOutput.h>
#include <fnd/OffsetAdjustedIFile.h>

#include <nn/hac/ContentMetaUtil.h>

CnmtProcess::CnmtProcess() :
	mFile(),
	mCliOutputMode(_BIT(OUTPUT_BASIC)),
	mVerify(false)
{
}

void CnmtProcess::process()
{
	importCnmt();

	if (_HAS_BIT(mCliOutputMode, OUTPUT_BASIC))
		displayCnmt();
}

void CnmtProcess::setInputFile(const fnd::SharedPtr<fnd::IFile>& file)
{
	mFile = file;
}

void CnmtProcess::setCliOutputMode(CliOutputMode type)
{
	mCliOutputMode = type;
}

void CnmtProcess::setVerifyMode(bool verify)
{
	mVerify = verify;
}

const nn::hac::ContentMeta& CnmtProcess::getContentMeta() const
{
	return mCnmt;
}

void CnmtProcess::importCnmt()
{
	fnd::Vec<byte_t> scratch;

	if (*mFile == nullptr)
	{
		throw fnd::Exception(kModuleName, "No file reader set.");
	}

	scratch.alloc((*mFile)->size());
	(*mFile)->read(scratch.data(), 0, scratch.size());

	mCnmt.fromBytes(scratch.data(), scratch.size());
}

void CnmtProcess::displayCnmt()
{
#define _SPLIT_VER(ver) (uint32_t)((ver>>26) & 0x3f) << "." << (uint32_t)((ver>>20) & 0x3f) << "." << (uint32_t)((ver>>16) & 0xf) << "." << (uint32_t)(ver & 0xffff)

	std::cout << "[ContentMeta]" << std::endl;
	std::cout << "  TitleId:               0x" << std::hex << std::setw(16) << std::setfill('0') << mCnmt.getTitleId() << std::endl;
	std::cout << "  Version:               v" << std::dec << mCnmt.getTitleVersion() << " (" << _SPLIT_VER(mCnmt.getTitleVersion()) << ")"<< std::endl;
	std::cout << "  Type:                  " << nn::hac::ContentMetaUtil::getContentMetaTypeAsString(mCnmt.getContentMetaType()) << " (" << std::dec << (uint32_t)mCnmt.getContentMetaType() << ")" << std::endl;
	std::cout << "  Attributes:            0x" << std::hex << (uint32_t)mCnmt.getAttributes() << std::endl;
	if (mCnmt.getAttributes() != 0)
	{
		for (size_t bit = 0; bit < (sizeof(byte_t)*8); bit++)
		{
			if (_HAS_BIT(mCnmt.getAttributes(), bit))
			{
				std::cout << "  > " << nn::hac::ContentMetaUtil::getContentMetaAttributeAsString((nn::hac::cnmt::ContentMetaAttribute)bit) << std::endl;
			}
		}
	}
	std::cout << "  RequiredDownloadSystemVersion: v" << mCnmt.getRequiredDownloadSystemVersion() << " (" << _SPLIT_VER(mCnmt.getRequiredDownloadSystemVersion()) << ")"<< std::endl;
	switch(mCnmt.getContentMetaType())
	{
		case (nn::hac::cnmt::ContentMetaType::Application):
			std::cout << "  ApplicationExtendedHeader:" << std::endl;
			std::cout << "    RequiredSystemVersion: v" << std::dec << mCnmt.getApplicationMetaExtendedHeader().getRequiredSystemVersion() << " (" << _SPLIT_VER(mCnmt.getApplicationMetaExtendedHeader().getRequiredSystemVersion()) << ")"<< std::endl;
			std::cout << "    PatchId:               0x" << std::hex << std::setw(16) << std::setfill('0') << mCnmt.getApplicationMetaExtendedHeader().getPatchId() << std::endl;
			break;
		case (nn::hac::cnmt::ContentMetaType::Patch):
			std::cout << "  PatchMetaExtendedHeader:" << std::endl;
			std::cout << "    RequiredSystemVersion: v" << std::dec << mCnmt.getPatchMetaExtendedHeader().getRequiredSystemVersion() << " (" << _SPLIT_VER(mCnmt.getPatchMetaExtendedHeader().getRequiredSystemVersion()) << ")"<< std::endl;
			std::cout << "    ApplicationId:         0x" << std::hex << std::setw(16) << std::setfill('0') << mCnmt.getPatchMetaExtendedHeader().getApplicationId() << std::endl;
			break;
		case (nn::hac::cnmt::ContentMetaType::AddOnContent):
			std::cout << "  AddOnContentMetaExtendedHeader:" << std::endl;
			std::cout << "    RequiredApplicationVersion: v" << std::dec << mCnmt.getAddOnContentMetaExtendedHeader().getRequiredApplicationVersion() << " (" << _SPLIT_VER(mCnmt.getAddOnContentMetaExtendedHeader().getRequiredApplicationVersion()) << ")" << std::endl;
			std::cout << "    ApplicationId:         0x" << std::hex << std::setw(16) << std::setfill('0') << mCnmt.getAddOnContentMetaExtendedHeader().getApplicationId() << std::endl;
			break;
		case (nn::hac::cnmt::ContentMetaType::Delta):
			std::cout << "  DeltaMetaExtendedHeader:" << std::endl;
			std::cout << "    ApplicationId:         0x" << std::hex << std::setw(16) << std::setfill('0') << mCnmt.getDeltaMetaExtendedHeader().getApplicationId() << std::endl;
			break;
		default:
			break;
	}
	if (mCnmt.getContentInfo().size() > 0)
	{
		printf("  ContentInfo:\n");
		for (size_t i = 0; i < mCnmt.getContentInfo().size(); i++)
		{
			const nn::hac::ContentInfo& info = mCnmt.getContentInfo()[i];
			std::cout << "    " << std::dec << i << std::endl;
			std::cout << "      Type:         " << nn::hac::ContentMetaUtil::getContentTypeAsString(info.getContentType()) << " (" << std::dec << (uint32_t)info.getContentType() << ")" << std::endl;
			std::cout << "      Id:           " << fnd::SimpleTextOutput::arrayToString(info.getContentId().data, nn::hac::cnmt::kContentIdLen, false, "") << std::endl;
			std::cout << "      Size:         0x" << std::hex << info.getContentSize() << std::endl;
			std::cout << "      Hash:         " << fnd::SimpleTextOutput::arrayToString(info.getContentHash().bytes, sizeof(info.getContentHash()), false, "") << std::endl;
		}
	}
	if (mCnmt.getContentMetaInfo().size() > 0)
	{
		std::cout << "  ContentMetaInfo:" << std::endl;
		for (size_t i = 0; i < mCnmt.getContentMetaInfo().size(); i++)
		{
			const nn::hac::ContentMetaInfo& info = mCnmt.getContentMetaInfo()[i];
			std::cout << "    " << std::dec << i << std::endl;
			std::cout << "      Id:           0x" << std::hex << std::setw(16) << std::setfill('0') << info.getTitleId() << std::endl;
			std::cout << "      Version:      v" << std::dec << info.getTitleVersion() << " (" << _SPLIT_VER(info.getTitleVersion()) << ")"<< std::endl;
			std::cout << "      Type:         " << nn::hac::ContentMetaUtil::getContentMetaTypeAsString(info.getContentMetaType()) << " (" << std::dec << (uint32_t)info.getContentMetaType() << ")" << std::endl; 
			std::cout << "      Attributes:   0x" << std::hex << (uint32_t)info.getAttributes() << std::endl;
			if (info.getAttributes() != 0)
			{
				for (size_t bit = 0; bit < (sizeof(byte_t)*8); bit++)
				{
					if (_HAS_BIT(info.getAttributes(), bit))
					{
						std::cout << "      > " << nn::hac::ContentMetaUtil::getContentMetaAttributeAsString((nn::hac::cnmt::ContentMetaAttribute)bit) << std::endl;
					}
				}
			}
		}
	}

	std::cout << "  Digest:   " << fnd::SimpleTextOutput::arrayToString(mCnmt.getDigest().data, nn::hac::cnmt::kDigestLen, false, "") << std::endl;

#undef _SPLIT_VER
}

const char* CnmtProcess::getBoolStr(bool state) const
{
	return state? "TRUE" : "FALSE";
}