#include "externals.hh"
#include "syncview.hh"
#include "globals.hh"

using namespace ebcl;


/*= T_SyncViewImpl_ ============================================================*/
namespace {

struct T_SyncViewImpl_
{
	bool display( ) noexcept;
};


bool T_SyncViewImpl_::display( ) noexcept
{
	using namespace ImGui;
	auto const& dspSize( GetIO( ).DisplaySize );
	auto& sync( Globals::Sync( ) );

	// Window set-up
	SetNextWindowSize( ImVec2( dspSize.x , 150 ) , ImGuiSetCond_Appearing );
	SetNextWindowPos( ImVec2( 0 , dspSize.y - 150 ) , ImGuiSetCond_Appearing );
	bool displayed{ true };
	Begin( "Sequencer" , &displayed , ImGuiWindowFlags_NoCollapse );
	if ( !displayed ) {
		return false;
	}

	PushID( "playing" );
	if ( Button( sync.playing( ) ? "Stop" : "Play" ) ) {
		sync.playing( ) = !sync.playing( ) && !sync.finished( );
	}
	PopID( );

	const float d( sync.duration( ) );
	float tm( sync.time( ) );
	SameLine( );
	PushID( "sequencer" );
	PushItemWidth( -1 );
	if ( SliderFloat( "" , &tm , 0 , d , "%.1fs" ) ) {
		sync.setTime( tm );
		sync.playing( ) = sync.playing( ) && !sync.finished( );
	}
	PopItemWidth( );
	PopID( );
	End( );

	return true;
}


} // namespace
/*= T_SyncView =================================================================*/

T_SyncView::T_SyncView( ) noexcept
	: A_PrivateImplementation( new T_SyncViewImpl_( ) )
{ }

bool T_SyncView::display( ) noexcept
{
	return p< T_SyncViewImpl_ >( ).display( );
}