#include <graphene/chain/son_evaluator.hpp>

#include <graphene/chain/database.hpp>
#include <graphene/chain/son_object.hpp>

namespace graphene { namespace chain {

void_result create_son_evaluator::do_evaluate(const son_create_operation& op)
{ try{
    FC_ASSERT(db().get(op.owner_account).is_lifetime_member(), "Only Lifetime members may register a SON.");
    return void_result();
} FC_CAPTURE_AND_RETHROW( (op) ) }

object_id_type create_son_evaluator::do_apply(const son_create_operation& op)
{ try {
    vote_id_type vote_id;
    db().modify(db().get_global_properties(), [&vote_id](global_property_object& p) {
        vote_id = get_next_vote_id(p, vote_id_type::son);
    });

    const auto& new_son_object = db().create<son_object>( [&]( son_object& obj ){
        obj.son_member_account = op.owner_account;
        obj.vote_id            = vote_id;
        obj.url                = op.url;
    });
    return new_son_object.id;
} FC_CAPTURE_AND_RETHROW( (op) ) }

void_result update_son_evaluator::do_evaluate(const son_update_operation& op)
{ try {
    const auto& idx = db().get_index_type<son_member_index>().indices().get<by_id>();
    FC_ASSERT( idx.find(op.son_id) != idx.end() );
    return void_result();
} FC_CAPTURE_AND_RETHROW( (op) ) }

object_id_type update_son_evaluator::do_apply(const son_update_operation& op)
{ try {
   const auto& idx = db().get_index_type<son_member_index>().indices().get<by_id>();
   auto itr = idx.find(op.son_id);
   if(itr != idx.end())
   {
       db().modify(*itr, [&op](son_object &so) {
           so.url = op.new_url;
       });
   }
   return op.son_id;
} FC_CAPTURE_AND_RETHROW( (op) ) }

void_result delete_son_evaluator::do_evaluate(const son_delete_operation& op)
{ try {
    const auto& idx = db().get_index_type<son_member_index>().indices().get<by_id>();
    FC_ASSERT( idx.find(op.son_id) != idx.end() );
    return void_result();
} FC_CAPTURE_AND_RETHROW( (op) ) }

void_result delete_son_evaluator::do_apply(const son_delete_operation& op)
{ try {
    const auto& idx = db().get_index_type<son_member_index>().indices().get<by_id>();
    db().remove(*idx.find(op.son_id));
    return void_result();
} FC_CAPTURE_AND_RETHROW( (op) ) }

} } // namespace graphene::chain