#include "externals.hh"

#include "common.hh"
#include "c-opcomp.hh"
#include "c-sync.hh"

#include "ui-demo.hh"
#include "ui-opemu.hh"
#include "ui-rendertarget.hh"

#include <ebcl/Files.hh>
#include <ebcl/SRDText.hh>


bool T_Demo::initialise(
		const uint32_t w ,
		const uint32_t h )
{
	width = w;
	height = h;
	return program && runInit( *program );
}

void T_Demo::render( )
{
	if ( Common::Ops( ).hasNewProgram( ) ) {
		auto nProgram{ Common::Ops( ).program( ) };
		if ( runInit( *nProgram ) ) {
			program = std::move( nProgram );
		}
	}

	auto& sync( Common::Sync( ) );
	sync.updateTime( );

	if ( context && !context->aborted ) {
		try {
			context->run(  ops::T_OpContext::R_RENDER , sync.time( ) , width , height );
		} catch ( ops::X_OpFailure const& fail ) {
			printf( "FAILED TO RUN FRAME!\n\t%s\n" , fail.what( ) );
			context->aborted = true;
		}
	}
}

bool T_Demo::runInit(
		ops::T_OpProgram& p )
{
	auto nContext{ NewOwned< ops::T_OpContext >( p ) };
	try {
		nContext->run( ops::T_OpContext::R_INIT , 0 , width , height );
	} catch ( ops::X_OpFailure const& fail ) {
		printf( "FAILED TO RUN INIT!\n\t%s\n" , fail.what( ) );
		nContext.clear( );
	}
	if ( !nContext ) {
		return false;
	}
	context = std::move( nContext );

	Common::Sync( ).clearInputs( );
	Common::Sync( ).clearOverrides( );

	const auto n( context->initialInputs.size( ) );
	assert( n == p.inputs.size( ) );
	for ( auto i = 0u ; i < n ; i ++ ) {
		Common::Sync( ).addInput( p.inputs[ i ] ,
				context->initialInputs[ i ] );
#ifdef INVASIVE_TRACES
		printf( "#%d %s pos %d\n" , i , p.inputs[ i ].toOSString( ).data( ) ,
				Common::Sync( ).inputPos( p.inputs[ i ] ) );
#endif //INVASIVE_TRACES
	}
	Common::Sync( ).updateCurveCaches( );

	if ( context->installOverrides ) {
		Common::Sync( ).mergeOverrides( *( context->installOverrides ) );
		context->installOverrides.clear( );
	}

	return true;
}