/*
	oscpack -- Open Sound Control packet manipulation library
	http://www.audiomulch.com/~rossb/oscpack

	Copyright (c) 2004-2005 Ross Bencina <rossb@audiomulch.com>

	Permission is hereby granted, free of charge, to any person obtaining
	a copy of this software and associated documentation files
	(the "Software"), to deal in the Software without restriction,
	including without limitation the rights to use, copy, modify, merge,
	publish, distribute, sublicense, and/or sell copies of the Software,
	and to permit persons to whom the Software is furnished to do so,
	subject to the following conditions:

	The above copyright notice and this permission notice shall be
	included in all copies or substantial portions of the Software.

	Any person wishing to distribute modifications to the Software is
	requested to send the modifications to the original developer so that
	they can be incorporated into the canonical version.

	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
	EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
	MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
	IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
	ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
	CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
	WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include "OscUnitTests.h"

#include <iostream>
#include <iomanip>
#include <cstring>

#include "osc/OscReceivedElements.h"
#include "osc/OscPrintReceivedElements.h"
#include "osc/OscOutboundPacketStream.h"


namespace osc{

static int passCount_=0, failCount_=0;

void PrintTestSummary()
{
    std::cout << (passCount_+failCount_) << " tests run, " << passCount_ << " passed, " << failCount_ << " failed.\n";
}

void pass_equality( const char *slhs, const char *srhs, const char *file, int line )
{
    ++passCount_;
    std::cout << file << "(" << line << "): PASSED : " << slhs << " == " << srhs << "\n";
}

void fail_equality( const char *slhs, const char *srhs, const char *file, int line )
{
    ++failCount_;
    std::cout << file << "(" << line << "): FAILED : " << slhs << " != " << srhs << "\n";
}

template <typename T>
void assertEqual_( const T& lhs, const T& rhs, const char *slhs, const char *srhs, const char *file, int line )
{
    if( lhs == rhs )
        pass_equality( slhs, srhs, file, line );
    else
        fail_equality( slhs, srhs, file, line );
}

template <typename T>
void assertEqual_( const T* lhs, const T* rhs, const char *slhs, const char *srhs, const char *file, int line )
{
    if( lhs == rhs )
        pass_equality( slhs, srhs, file, line );
    else
        fail_equality( slhs, srhs, file, line );
}

template <>
void assertEqual_( const char* lhs, const char* rhs, const char *slhs, const char *srhs, const char *file, int line )
{
    if( strcmp( lhs, rhs ) == 0 )
        pass_equality( slhs, srhs, file, line );
    else
        fail_equality( slhs, srhs, file, line );
}


#define assertEqual( a, b ) assertEqual_( (a), (b), #a, #b, __FILE__, __LINE__ )

//---------------------------------------------------------------------------
char * AllocateAligned4( unsigned long size )
{
    char *s = new char[ size + 4 ];   //allocate on stack to get 4 byte alignment
    return (char*)((long)(s-1) & (~0x03L)) + 4;
}

// allocate a 4 byte aligned copy of s
char * NewMessageBuffer( const char *s, unsigned long length )
{
    char *p = AllocateAligned4( length );
    memcpy( p, s, length );
    return p;
}

void test1()
{
    const char s[] = "/test\0\0\0,fiT\0\0\0\0\0\0\0\0\0\0\0A";
    char *buffer = NewMessageBuffer( s, sizeof(s)-1 );

    // test argument iterator interface
    bool unexpectedExceptionCaught = false;
    try{
        ReceivedMessage m( ReceivedPacket(buffer, sizeof(s)-1) );

        assertEqual( strcmp( m.AddressPattern(), "/test" ), 0 );
        assertEqual( strcmp( m.TypeTags(), "fiT" ), 0 );
        
        ReceivedMessage::const_iterator i = m.ArgumentsBegin();
        ++i;
        ++i;
        ++i;
        assertEqual( i, m.ArgumentsEnd() );

        i = m.ArgumentsBegin();
        float f = (i++)->AsFloat();
        (void)f;
        int n = (i++)->AsInt32();
        (void)n;
        bool b = (i++)->AsBool();
        (void)b;
        
        i = m.ArgumentsBegin();
        bool exceptionThrown = false;
        try{
            int n = (i++)->AsInt32();
            (void)n;
        }catch( Exception& ){
            exceptionThrown = true;
        }
        assertEqual( exceptionThrown, true );

    }catch( Exception& e ){
        std::cout << "unexpected exception: " << e.what() << "\n";
        unexpectedExceptionCaught = true;
    }
    assertEqual( unexpectedExceptionCaught, false );


    // test argument stream interface
    unexpectedExceptionCaught = false;
    try{
        ReceivedMessage m( ReceivedPacket(buffer, sizeof(s)-1) );
        ReceivedMessageArgumentStream args = m.ArgumentStream();
        assertEqual( args.Eos(), false );

        float f;
        int32 n;
        bool b;
        args >> f >> n >> b;

        (void) f;
        (void) n;
        (void) b;
        
        assertEqual( args.Eos(), true );

    }catch( Exception& e ){
        std::cout << "unexpected exception: " << e.what() << "\n";
        unexpectedExceptionCaught = true;
    }
    assertEqual( unexpectedExceptionCaught, false );
}

//---------------------------------------------------------------------------


#define TEST2_PRINT( ss )\
    {\
        const char s[] = ss;\
        ReceivedPacket p( NewMessageBuffer( s, sizeof(s)-1 ), sizeof(s)-1 ); \
        ReceivedMessage m( p );\
        std::cout << m << "\n";\
    }

void test2()
{
    bool unexpectedExceptionCaught = false;
    try{
        //            012301230 1 2 3
        TEST2_PRINT( "/no_args\0\0\0\0" );

        //            012301230 1 2 3 01 2 3
        TEST2_PRINT( "/no_args\0\0\0\0,\0\0\0" );
        
        //            01230123 012 3 0 1 2 3
        TEST2_PRINT( "/an_int\0,i\0\0\0\0\0A" );
        //            012301230 1 2 3 012 3 0 1 2 3 
        TEST2_PRINT( "/a_float\0\0\0\0,f\0\0\0\0\0\0" );
        //            0123012301 2 3 012 3 012301230123 
        TEST2_PRINT( "/a_string\0\0\0,s\0\0hello world\0" );
        //            01230123 012 3 0 1 2 3  0  1  2  3
        TEST2_PRINT( "/a_blob\0,b\0\0\0\0\0\x4\x0\x1\x2\x3" );

        //            0123012301 2 3 012 3 0 1 2 3 0 1 2 3
        TEST2_PRINT( "/an_int64\0\0\0,h\0\0\0\0\0\0\0\0\0\x1" );
        //            01230123012 3 012 3 0 1 2 3 0 1 2 3
        TEST2_PRINT( "/a_timetag\0\0,t\0\0\0\0\0\0\0\0\0\x1" );
        //            0123012301 2 3 012 3 0 1 2 3 0 1 2 3
        TEST2_PRINT( "/a_double\0\0\0,d\0\0\0\0\0\0\0\0\0\0" );
        //            0123012301 2 3 012 3 012301230123 
        TEST2_PRINT( "/a_symbol\0\0\0,S\0\0hello world\0" );
        //            01230123 012 3 0 1 2 3
        TEST2_PRINT( "/a_char\0,c\0\0\0\0\0A" );
        //            012301230 1 2 3 012 3 0 1 2 3 
        TEST2_PRINT( "/a_color\0\0\0\0,r\0\0\0\0\0\0" );
        //            012301230123012 3 012 3 0 1 2 3
        TEST2_PRINT( "/a_midimessage\0\0,m\0\0\0\0\0\0" );
        //            01230123 012 3 
        TEST2_PRINT( "/a_bool\0,T\0\0" );
        //            01230123 012 3 
        TEST2_PRINT( "/a_bool\0,F\0\0" );
        //            01230 1 2 3 012 3
        TEST2_PRINT( "/Nil\0\0\0\0,N\0\0" );
        //            01230 1 2 3 012 3
        TEST2_PRINT( "/Inf\0\0\0\0,I\0\0" );

        TEST2_PRINT( "/test\0\0\0,fiT\0\0\0\0\0\0\0\0\0\0\0A" );
                                                        
        bool exceptionThrown = false;
        try{
            TEST2_PRINT( "/a_char\0,x\0\0\0\0\0A" ); // unknown type tag 'x'
        }catch( Exception& ){
            exceptionThrown = true;
        }
        assertEqual( exceptionThrown, true );
        
    }catch( Exception& e ){
        std::cout << "unexpected exception: " << e.what() << "\n";
        unexpectedExceptionCaught = true;
    }
    assertEqual( unexpectedExceptionCaught, false );
}

//-----------------------------------------------------------------------

// pack a message and then unpack it and check that the result is the same
// also print each message
// repeat the process inside a bundle

#define TEST_PACK_UNPACK0( addressPattern, argument, value, recieveGetter ) \
    {                                    \
        memset( buffer, 0x74, bufferSize );   \
        OutboundPacketStream ps( buffer, bufferSize ); \
        ps << BeginMessage( addressPattern )  \
            << argument \
            << EndMessage;\
        assertEqual( ps.IsReady(), true );\
        ReceivedMessage m( ReceivedPacket(ps.Data(), ps.Size()) );\
        std::cout << m << "\n";\
        assertEqual( m.ArgumentsBegin()-> recieveGetter () , value );\
    }  \
    {                                    \
        memset( buffer, 0x74, bufferSize );   \
        OutboundPacketStream ps( buffer, bufferSize ); \
        ps << BeginBundle( 1234 ) \
            << BeginMessage( addressPattern )  \
            << argument \
            << EndMessage \
            << EndBundle;\
        assertEqual( ps.IsReady(), true );\
        ReceivedBundle b( ReceivedPacket(ps.Data(), ps.Size()) );\
        ReceivedMessage m( *b.ElementsBegin() );\
        std::cout << m << "\n";\
        assertEqual( m.ArgumentsBegin()-> recieveGetter () , value );\
    }
    
#define TEST_PACK_UNPACK( addressPattern, argument, type, recieveGetter ) \
    {                                    \
        memset( buffer, 0x74, bufferSize );   \
        OutboundPacketStream ps( buffer, bufferSize ); \
        ps << BeginMessage( addressPattern )  \
            << argument \
            << EndMessage;\
        assertEqual( ps.IsReady(), true );\
        ReceivedMessage m( ReceivedPacket(ps.Data(), ps.Size()) );\
        std::cout << m << "\n";\
        assertEqual( m.ArgumentsBegin()-> recieveGetter () , ( type ) argument );\
    }  \
    {                                    \
        memset( buffer, 0x74, bufferSize );   \
        OutboundPacketStream ps( buffer, bufferSize ); \
        ps << BeginBundle( 1234 ) \
            << BeginMessage( addressPattern )  \
            << argument \
            << EndMessage \
            << EndBundle;\
        assertEqual( ps.IsReady(), true );\
        ReceivedBundle b( ReceivedPacket(ps.Data(), ps.Size()) );\
        ReceivedMessage m( *b.ElementsBegin() );\
        std::cout << m << "\n";\
        assertEqual( m.ArgumentsBegin()-> recieveGetter () , ( type ) argument );\
    }

void test3()
{
    int bufferSize = 1000;
    char *buffer = AllocateAligned4( bufferSize );

// single message tests
    // empty message
    {
        memset( buffer, 0x74, bufferSize );
        OutboundPacketStream ps( buffer, bufferSize );
        ps << BeginMessage( "/no_arguments" )
            << EndMessage;
        assertEqual( ps.IsReady(), true );
        ReceivedMessage m( ReceivedPacket(ps.Data(), ps.Size()) );
        std::cout << m << "\n";\
    }

    TEST_PACK_UNPACK( "/a_bool", true, bool, AsBool );
    TEST_PACK_UNPACK( "/a_bool", false, bool, AsBool );
    TEST_PACK_UNPACK( "/a_bool", (bool)1, bool, AsBool );

    TEST_PACK_UNPACK0( "/nil", Nil, true, IsNil );
    TEST_PACK_UNPACK0( "/inf", Infinitum, true, IsInfinitum );

    TEST_PACK_UNPACK( "/an_int", (int32)1234, int32, AsInt32 );

    TEST_PACK_UNPACK( "/a_float", 3.1415926f, float, AsFloat );

    TEST_PACK_UNPACK( "/a_char", 'c', char, AsChar );

    TEST_PACK_UNPACK( "/an_rgba_color", RgbaColor(0x22334455), uint32, AsRgbaColor );

    TEST_PACK_UNPACK( "/a_midi_message", MidiMessage(0x7F), uint32, AsMidiMessage );

    TEST_PACK_UNPACK( "/an_int64", (int64)(0xFFFFFFFF), int64, AsInt64 );

    TEST_PACK_UNPACK( "/a_time_tag", TimeTag(0xFFFFFFFF), uint64, AsTimeTag );

    TEST_PACK_UNPACK( "/a_double", (double)3.1415926, double, AsDouble );

    // blob
    {
        char blobData[] = "abcd";
        memset( buffer, 0x74, bufferSize );
        OutboundPacketStream ps( buffer, bufferSize );
        ps << BeginMessage( "/a_blob" )
            << Blob( blobData, 4 )
            << EndMessage;
        assertEqual( ps.IsReady(), true );
        ReceivedMessage m( ReceivedPacket(ps.Data(), ps.Size()) );
        std::cout << m << "\n";

        const void *value;
        unsigned long size;
        m.ArgumentsBegin()->AsBlob( value, size );
        assertEqual( size, (unsigned long)4 );
        assertEqual( (memcmp( value, blobData, 4 ) == 0), true );
    }


    TEST_PACK_UNPACK( "/a_string", "hello world", const char*, AsString );

    TEST_PACK_UNPACK( "/a_symbol", Symbol("foobar"), const char*, AsSymbol );


    // nested bundles, and multiple messages in bundles...

    {
        memset( buffer, 0x74, bufferSize );
        OutboundPacketStream ps( buffer, bufferSize );
        ps << BeginBundle()
            << BeginMessage( "/message_one" ) << 1 << 2 << 3 << 4 << EndMessage
            << BeginMessage( "/message_two" ) << 1 << 2 << 3 << 4 << EndMessage
            << BeginMessage( "/message_three" ) << 1 << 2 << 3 << 4 << EndMessage
            << BeginMessage( "/message_four" ) << 1 << 2 << 3 << 4 << EndMessage
            << EndBundle;
        assertEqual( ps.IsReady(), true );
        ReceivedBundle b( ReceivedPacket(ps.Data(), ps.Size()) );
        std::cout << b << "\n";
    }
}


void RunUnitTests()
{
    test1();
    test2();
    test3();
    PrintTestSummary();
}

} // namespace osc


#ifndef NO_OSC_TEST_MAIN

int main(int argc, char* argv[])
{
    (void)argc;
    (void)argv;
    
    osc::RunUnitTests();
}

#endif