#include <efsw/String.hpp>
#include <efsw/Utf.hpp>
#include <iterator>

namespace efsw {

const std::size_t String::InvalidPos = StringType::npos;

std::vector<std::string> String::split( const std::string& str, const char& splitchar,
										const bool& pushEmptyString ) {
	std::vector<std::string> tmp;
	std::string tmpstr;

	for ( size_t i = 0; i < str.size(); i++ ) {
		if ( str[i] == splitchar ) {
			if ( pushEmptyString || tmpstr.size() ) {
				tmp.push_back( tmpstr );
				tmpstr = "";
			}
		} else {
			tmpstr += str[i];
		}
	}

	if ( tmpstr.size() ) {
		tmp.push_back( tmpstr );
	}

	return tmp;
}

std::vector<String> String::split( const String& str, const Uint32& splitchar,
								   const bool& pushEmptyString ) {
	std::vector<String> tmp;
	String tmpstr;

	for ( size_t i = 0; i < str.size(); i++ ) {
		if ( str[i] == splitchar ) {
			if ( pushEmptyString || tmpstr.size() ) {
				tmp.push_back( tmpstr );
				tmpstr = "";
			}
		} else {
			tmpstr += str[i];
		}
	}

	if ( tmpstr.size() ) {
		tmp.push_back( tmpstr );
	}

	return tmp;
}

int String::strStartsWith( const std::string& start, const std::string& str ) {
	int pos = -1;
	size_t size = start.size();

	if ( str.size() >= size ) {
		for ( std::size_t i = 0; i < size; i++ ) {
			if ( start[i] == str[i] ) {
				pos = (int)i;
			} else {
				pos = -1;
				break;
			}
		}
	}

	return pos;
}

int String::strStartsWith( const String& start, const String& str ) {
	int pos = -1;
	size_t size = start.size();

	if ( str.size() >= size ) {
		for ( std::size_t i = 0; i < size; i++ ) {
			if ( start[i] == str[i] ) {
				pos = (int)i;
			} else {
				pos = -1;
				break;
			}
		}
	}

	return pos;
}

String::String() {}

String::String( char ansiChar, const std::locale& locale ) {
	mString += Utf32::DecodeAnsi( ansiChar, locale );
}

#ifndef EFSW_NO_WIDECHAR
String::String( wchar_t wideChar ) {
	mString += Utf32::DecodeWide( wideChar );
}
#endif

String::String( StringBaseType utf32Char ) {
	mString += utf32Char;
}

String::String( const char* uf8String ) {
	if ( uf8String ) {
		std::size_t length = strlen( uf8String );

		if ( length > 0 ) {
			mString.reserve( length + 1 );

			Utf8::ToUtf32( uf8String, uf8String + length, std::back_inserter( mString ) );
		}
	}
}

String::String( const std::string& utf8String ) {
	mString.reserve( utf8String.length() + 1 );

	Utf8::ToUtf32( utf8String.begin(), utf8String.end(), std::back_inserter( mString ) );
}

String::String( const char* ansiString, const std::locale& locale ) {
	if ( ansiString ) {
		std::size_t length = strlen( ansiString );
		if ( length > 0 ) {
			mString.reserve( length + 1 );
			Utf32::FromAnsi( ansiString, ansiString + length, std::back_inserter( mString ),
							 locale );
		}
	}
}

String::String( const std::string& ansiString, const std::locale& locale ) {
	mString.reserve( ansiString.length() + 1 );
	Utf32::FromAnsi( ansiString.begin(), ansiString.end(), std::back_inserter( mString ), locale );
}

#ifndef EFSW_NO_WIDECHAR
String::String( const wchar_t* wideString ) {
	if ( wideString ) {
		std::size_t length = std::wcslen( wideString );
		if ( length > 0 ) {
			mString.reserve( length + 1 );
			Utf32::FromWide( wideString, wideString + length, std::back_inserter( mString ) );
		}
	}
}

String::String( const std::wstring& wideString ) {
	mString.reserve( wideString.length() + 1 );
	Utf32::FromWide( wideString.begin(), wideString.end(), std::back_inserter( mString ) );
}
#endif

String::String( const StringBaseType* utf32String ) {
	if ( utf32String )
		mString = utf32String;
}

String::String( const StringType& utf32String ) : mString( utf32String ) {}

String::String( const String& str ) : mString( str.mString ) {}

String String::fromUtf8( const std::string& utf8String ) {
	String::StringType utf32;

	utf32.reserve( utf8String.length() + 1 );

	Utf8::ToUtf32( utf8String.begin(), utf8String.end(), std::back_inserter( utf32 ) );

	return String( utf32 );
}

String::operator std::string() const {
	return toAnsiString();
}

std::string String::toAnsiString( const std::locale& locale ) const {
	// Prepare the output string
	std::string output;
	output.reserve( mString.length() + 1 );

	// Convert
	Utf32::ToAnsi( mString.begin(), mString.end(), std::back_inserter( output ), 0, locale );

	return output;
}

#ifndef EFSW_NO_WIDECHAR
std::wstring String::toWideString() const {
	// Prepare the output string
	std::wstring output;
	output.reserve( mString.length() + 1 );

	// Convert
	Utf32::ToWide( mString.begin(), mString.end(), std::back_inserter( output ), 0 );

	return output;
}
#endif

std::string String::toUtf8() const {
	// Prepare the output string
	std::string output;
	output.reserve( mString.length() + 1 );

	// Convert
	Utf32::toUtf8( mString.begin(), mString.end(), std::back_inserter( output ) );

	return output;
}

String& String::operator=( const String& right ) {
	mString = right.mString;
	return *this;
}

String& String::operator=( const StringBaseType& right ) {
	mString = right;
	return *this;
}

String& String::operator+=( const String& right ) {
	mString += right.mString;
	return *this;
}

String& String::operator+=( const StringBaseType& right ) {
	mString += right;
	return *this;
}

String::StringBaseType String::operator[]( std::size_t index ) const {
	return mString[index];
}

String::StringBaseType& String::operator[]( std::size_t index ) {
	return mString[index];
}

String::StringBaseType String::at( std::size_t index ) const {
	return mString.at( index );
}

void String::push_back( StringBaseType c ) {
	mString.push_back( c );
}

void String::swap( String& str ) {
	mString.swap( str.mString );
}

void String::clear() {
	mString.clear();
}

std::size_t String::size() const {
	return mString.size();
}

std::size_t String::length() const {
	return mString.length();
}

bool String::empty() const {
	return mString.empty();
}

void String::erase( std::size_t position, std::size_t count ) {
	mString.erase( position, count );
}

String& String::insert( std::size_t position, const String& str ) {
	mString.insert( position, str.mString );
	return *this;
}

String& String::insert( std::size_t pos1, const String& str, std::size_t pos2, std::size_t n ) {
	mString.insert( pos1, str.mString, pos2, n );
	return *this;
}

String& String::insert( size_t pos1, const char* s, size_t n ) {
	String tmp( s );

	mString.insert( pos1, tmp.data(), n );

	return *this;
}

String& String::insert( size_t pos1, size_t n, char c ) {
	mString.insert( pos1, n, c );
	return *this;
}

String& String::insert( size_t pos1, const char* s ) {
	String tmp( s );

	mString.insert( pos1, tmp.data() );

	return *this;
}

String::Iterator String::insert( Iterator p, char c ) {
	return mString.insert( p, c );
}

void String::insert( Iterator p, size_t n, char c ) {
	mString.insert( p, n, c );
}

const String::StringBaseType* String::c_str() const {
	return mString.c_str();
}

const String::StringBaseType* String::data() const {
	return mString.data();
}

String::Iterator String::begin() {
	return mString.begin();
}

String::ConstIterator String::begin() const {
	return mString.begin();
}

String::Iterator String::end() {
	return mString.end();
}

String::ConstIterator String::end() const {
	return mString.end();
}

String::ReverseIterator String::rbegin() {
	return mString.rbegin();
}

String::ConstReverseIterator String::rbegin() const {
	return mString.rbegin();
}

String::ReverseIterator String::rend() {
	return mString.rend();
}

String::ConstReverseIterator String::rend() const {
	return mString.rend();
}

void String::resize( std::size_t n, StringBaseType c ) {
	mString.resize( n, c );
}

void String::resize( std::size_t n ) {
	mString.resize( n );
}

std::size_t String::max_size() const {
	return mString.max_size();
}

void String::reserve( size_t res_arg ) {
	mString.reserve( res_arg );
}

std::size_t String::capacity() const {
	return mString.capacity();
}

String& String::assign( const String& str ) {
	mString.assign( str.mString );
	return *this;
}

String& String::assign( const String& str, size_t pos, size_t n ) {
	mString.assign( str.mString, pos, n );
	return *this;
}

String& String::assign( const char* s, size_t /*n*/ ) {
	String tmp( s );

	mString.assign( tmp.mString );

	return *this;
}

String& String::assign( const char* s ) {
	String tmp( s );

	mString.assign( tmp.mString );

	return *this;
}

String& String::assign( size_t n, char c ) {
	mString.assign( n, c );

	return *this;
}

String& String::append( const String& str ) {
	mString.append( str.mString );

	return *this;
}

String& String::append( const String& str, size_t pos, size_t n ) {
	mString.append( str.mString, pos, n );

	return *this;
}

String& String::append( const char* s, size_t /*n*/ ) {
	String tmp( s );

	mString.append( tmp.mString );

	return *this;
}

String& String::append( const char* s ) {
	String tmp( s );

	mString.append( tmp.mString );

	return *this;
}

String& String::append( size_t n, char c ) {
	mString.append( n, c );

	return *this;
}

String& String::append( std::size_t n, StringBaseType c ) {
	mString.append( n, c );

	return *this;
}

String& String::replace( size_t pos1, size_t n1, const String& str ) {
	mString.replace( pos1, n1, str.mString );

	return *this;
}

String& String::replace( Iterator i1, Iterator i2, const String& str ) {
	mString.replace( i1, i2, str.mString );

	return *this;
}

String& String::replace( size_t pos1, size_t n1, const String& str, size_t pos2, size_t n2 ) {
	mString.replace( pos1, n1, str.mString, pos2, n2 );

	return *this;
}

String& String::replace( size_t pos1, size_t n1, const char* s, size_t n2 ) {
	String tmp( s );

	mString.replace( pos1, n1, tmp.data(), n2 );

	return *this;
}

String& String::replace( Iterator i1, Iterator i2, const char* s, size_t n2 ) {
	String tmp( s );

	mString.replace( i1, i2, tmp.data(), n2 );

	return *this;
}

String& String::replace( size_t pos1, size_t n1, const char* s ) {
	String tmp( s );

	mString.replace( pos1, n1, tmp.mString );

	return *this;
}

String& String::replace( Iterator i1, Iterator i2, const char* s ) {
	String tmp( s );

	mString.replace( i1, i2, tmp.mString );

	return *this;
}

String& String::replace( size_t pos1, size_t n1, size_t n2, char c ) {
	mString.replace( pos1, n1, n2, (StringBaseType)c );

	return *this;
}

String& String::replace( Iterator i1, Iterator i2, size_t n2, char c ) {
	mString.replace( i1, i2, n2, (StringBaseType)c );

	return *this;
}

std::size_t String::find( const String& str, std::size_t start ) const {
	return mString.find( str.mString, start );
}

std::size_t String::find( const char* s, std::size_t pos, std::size_t /*n*/ ) const {
	return find( String( s ), pos );
}

std::size_t String::find( const char* s, std::size_t pos ) const {
	return find( String( s ), pos );
}

size_t String::find( char c, std::size_t pos ) const {
	return mString.find( (StringBaseType)c, pos );
}

std::size_t String::rfind( const String& str, std::size_t pos ) const {
	return mString.rfind( str.mString, pos );
}

std::size_t String::rfind( const char* s, std::size_t pos, std::size_t /*n*/ ) const {
	return rfind( String( s ), pos );
}

std::size_t String::rfind( const char* s, std::size_t pos ) const {
	return rfind( String( s ), pos );
}

std::size_t String::rfind( char c, std::size_t pos ) const {
	return mString.rfind( c, pos );
}

std::size_t String::copy( StringBaseType* s, std::size_t n, std::size_t pos ) const {
	return mString.copy( s, n, pos );
}

String String::substr( std::size_t pos, std::size_t n ) const {
	return String( mString.substr( pos, n ) );
}

int String::compare( const String& str ) const {
	return mString.compare( str.mString );
}

int String::compare( const char* s ) const {
	return compare( String( s ) );
}

int String::compare( std::size_t pos1, std::size_t n1, const String& str ) const {
	return mString.compare( pos1, n1, str.mString );
}

int String::compare( std::size_t pos1, std::size_t n1, const char* s ) const {
	return compare( pos1, n1, String( s ) );
}

int String::compare( std::size_t pos1, std::size_t n1, const String& str, std::size_t pos2,
					 std::size_t n2 ) const {
	return mString.compare( pos1, n1, str.mString, pos2, n2 );
}

int String::compare( std::size_t pos1, std::size_t n1, const char* s, std::size_t n2 ) const {
	return compare( pos1, n1, String( s ), 0, n2 );
}

std::size_t String::find_first_of( const String& str, std::size_t pos ) const {
	return mString.find_first_of( str.mString, pos );
}

std::size_t String::find_first_of( const char* s, std::size_t pos, std::size_t /*n*/ ) const {
	return find_first_of( String( s ), pos );
}

std::size_t String::find_first_of( const char* s, std::size_t pos ) const {
	return find_first_of( String( s ), pos );
}

std::size_t String::find_first_of( StringBaseType c, std::size_t pos ) const {
	return mString.find_first_of( c, pos );
}

std::size_t String::find_last_of( const String& str, std::size_t pos ) const {
	return mString.find_last_of( str.mString, pos );
}

std::size_t String::find_last_of( const char* s, std::size_t pos, std::size_t /*n*/ ) const {
	return find_last_of( String( s ), pos );
}

std::size_t String::find_last_of( const char* s, std::size_t pos ) const {
	return find_last_of( String( s ), pos );
}

std::size_t String::find_last_of( StringBaseType c, std::size_t pos ) const {
	return mString.find_last_of( c, pos );
}

std::size_t String::find_first_not_of( const String& str, std::size_t pos ) const {
	return mString.find_first_not_of( str.mString, pos );
}

std::size_t String::find_first_not_of( const char* s, std::size_t pos, std::size_t /*n*/ ) const {
	return find_first_not_of( String( s ), pos );
}

std::size_t String::find_first_not_of( const char* s, std::size_t pos ) const {
	return find_first_not_of( String( s ), pos );
}

std::size_t String::find_first_not_of( StringBaseType c, std::size_t pos ) const {
	return mString.find_first_not_of( c, pos );
}

std::size_t String::find_last_not_of( const String& str, std::size_t pos ) const {
	return mString.find_last_not_of( str.mString, pos );
}

std::size_t String::find_last_not_of( const char* s, std::size_t pos, std::size_t /*n*/ ) const {
	return find_last_not_of( String( s ), pos );
}

std::size_t String::find_last_not_of( const char* s, std::size_t pos ) const {
	return find_last_not_of( String( s ), pos );
}

std::size_t String::find_last_not_of( StringBaseType c, std::size_t pos ) const {
	return mString.find_last_not_of( c, pos );
}

bool operator==( const String& left, const String& right ) {
	return left.mString == right.mString;
}

bool operator!=( const String& left, const String& right ) {
	return !( left == right );
}

bool operator<( const String& left, const String& right ) {
	return left.mString < right.mString;
}

bool operator>( const String& left, const String& right ) {
	return right < left;
}

bool operator<=( const String& left, const String& right ) {
	return !( right < left );
}

bool operator>=( const String& left, const String& right ) {
	return !( left < right );
}

String operator+( const String& left, const String& right ) {
	String string = left;
	string += right;

	return string;
}

} // namespace efsw