#include "CaseJumpDataBlock.h"

#include "tokens.h"

namespace Pol::Bscript::Compiler
{
void CaseJumpDataBlock::on_boolean_value_jump_to( bool value, uint16_t address )
{
  auto* p = reinterpret_cast<std::byte*>( &address );
  data.push_back( p[0] );
  data.push_back( p[1] );
  data.push_back( std::byte{ CASE_TYPE_BOOL } );
  data.push_back( std::byte{ value } );
}

void CaseJumpDataBlock::on_integer_value_jump_to( int32_t value, uint16_t address )
{
  auto* p = reinterpret_cast<std::byte*>( &address );
  data.push_back( p[0] );
  data.push_back( p[1] );
  data.push_back( std::byte{CASE_TYPE_LONG} );
  p = reinterpret_cast<std::byte*>( &value );
  data.push_back( p[0] );
  data.push_back( p[1] );
  data.push_back( p[2] );
  data.push_back( p[3] );
}

void CaseJumpDataBlock::on_string_value_jump_to( const std::string& value, uint16_t address )
{
  if ( value.size() >= 254 )
  {
    throw std::runtime_error( "String expressions in CASE statements must be <= 253 characters." );
  }
  auto* p = reinterpret_cast<std::byte*>( &address );
  data.push_back( p[0] );
  data.push_back( p[1] );
  data.push_back( std::byte{ CASE_TYPE_STRING } );
  data.push_back( static_cast<std::byte>( value.size() ) );

  data.insert( data.end(), reinterpret_cast<const std::byte*>( value.c_str() ),
               reinterpret_cast<const std::byte*>( value.c_str() + value.size() ) );
}

void CaseJumpDataBlock::on_uninitialized_value_jump_to( uint16_t address )
{
  auto* p = reinterpret_cast<std::byte*>( &address );
  data.push_back( p[0] );
  data.push_back( p[1] );
  data.push_back( std::byte{ CASE_TYPE_UNINIT } );
}

void CaseJumpDataBlock::on_default_jump_to( uint16_t address )
{
  auto* p = reinterpret_cast<std::byte*>( &address );
  data.push_back( p[0] );
  data.push_back( p[1] );
  data.push_back( std::byte{CASE_TYPE_DEFAULT} );
}

const std::vector<std::byte>& CaseJumpDataBlock::get_data() const
{
  return data;
}

}  // namespace Pol::Bscript::Compiler