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#ifndef EOLIAN_MONO_ALIAS_DEFINITION_HH
#define EOLIAN_MONO_ALIAS_DEFINITION_HH

#include "grammar/generator.hpp"
#include "grammar/klass_def.hpp"
#include "grammar/indentation.hpp"

#include "using_decl.hh"
#include "name_helpers.hh"
#include "blacklist.hh"
#include "documentation.hh"
#include "generation_contexts.hh"

namespace eolian_mono {

struct alias_definition_generator
{
  template<typename OutputIterator, typename Context>
  bool generate(OutputIterator sink, attributes::alias_def const& alias, Context const& context) const
  {
     if (blacklist::is_alias_blacklisted(alias))
       {
          EINA_CXX_DOM_LOG_DBG(eolian_mono::domain) << "Alias " <<  name_helpers::alias_full_eolian_name(alias) << "is blacklisted. Skipping.";
          return true;
       }

     if (alias.is_undefined)
       {
          EINA_CXX_DOM_LOG_DBG(eolian_mono::domain) << "Alias " <<  name_helpers::alias_full_eolian_name(alias) << "is undefined. Skipping.";
          return true;
       }

     if (!name_helpers::open_namespaces(sink, alias.namespaces, context))
       return false;

     std::string alias_type;
     if (!as_generator(eolian_mono::type).generate(std::back_inserter(alias_type), alias.base_type, context))
       return false;

     std::string const alias_name = utils::remove_all(alias.eolian_name, '_');
     if (!as_generator(
                 documentation
                 << "public struct " << alias_name << "\n"
                 << "{\n"
                 << scope_tab << "private " << alias_type << " payload;\n\n"

                 << scope_tab << "/// <summary>Converts an instance of " << alias_type << " to this struct.</summary>\n"
                 << scope_tab << "/// <param name=\"value\">The value to be converted.</param>\n"
                 << scope_tab << "/// <returns>A struct with the given value.</returns>\n"
                 << scope_tab << "public static implicit operator " << alias_name << "(" << alias_type << " value)\n"
                 << scope_tab << "{\n"
                 << scope_tab << scope_tab << "return new " << alias_name << "{payload=value};\n"
                 << scope_tab << "}\n\n"

                 << scope_tab << "/// <summary>Converts an instance of this struct to " << alias_type << ".</summary>\n"
                 << scope_tab << "/// <param name=\"value\">The value to be converted packed in this struct.</param>\n"
                 << scope_tab << "/// <returns>The actual value the alias is wrapping.</returns>\n"
                 << scope_tab << "public static implicit operator " << alias_type << "(" << alias_name << " value)\n"
                 << scope_tab << "{\n"
                 << scope_tab << scope_tab << "return value.payload;\n"
                 << scope_tab << "}\n\n"
                 << "}\n\n"
                 ).generate(sink, alias, context))
       return false;

     if (!name_helpers::close_namespaces(sink, alias.namespaces, context))
       return false;

     return true;
  }
} const alias_definition {};

}

namespace efl { namespace eolian { namespace grammar {

template<>
struct is_eager_generator< ::eolian_mono::alias_definition_generator> : std::true_type {};
template<>
struct is_generator< ::eolian_mono::alias_definition_generator> : std::true_type {};

namespace type_traits {

template<>
struct attributes_needed< ::eolian_mono::alias_definition_generator> : std::integral_constant<int, 1> {};

}

} } }

#endif