/*
 *  Off-the-Record Messaging bindings for nodejs
 *  Copyright (C) 2012  Mokhtar Naamani,
 *                      <mokhtar.naamani@gmail.com>
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of version 2 of the GNU General Public License as
 *  published by the Free Software Foundation.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include "otr.hpp"
#include "cvv8/convert.hpp"

extern "C"{
    #include <libotr/privkey.h>
}

using namespace v8;

namespace otr {
v8::Persistent<v8::FunctionTemplate> ConnectionCtx::constructor;

ConnectionCtx::ConnectionCtx(ConnContext* context) : ObjectWrap(), 
    context_(context) {};

ConnectionCtx::~ConnectionCtx() {};

void ConnectionCtx::Init(Handle<Object> target) {
  HandleScope scope;

  // Prepare constructor template
  Local<FunctionTemplate> tpl = FunctionTemplate::New(New);
  Local<String> name = String::NewSymbol("ConnContext");
  
  constructor = Persistent<FunctionTemplate>::New(tpl);
  // ObjectWrap uses the first internal field to store the wrapped pointer.
  constructor->InstanceTemplate()->SetInternalFieldCount(1);
  constructor->SetClassName(name);

  // Prototype
  NODE_SET_PROTOTYPE_ACCESSOR(constructor, "protocol", ctxGetter,ctxSetter);
  NODE_SET_PROTOTYPE_ACCESSOR(constructor, "username", ctxGetter,ctxSetter);
  NODE_SET_PROTOTYPE_ACCESSOR(constructor, "accountname", ctxGetter,ctxSetter);
  NODE_SET_PROTOTYPE_ACCESSOR(constructor, "msgstate", ctxGetter,ctxSetter);
  NODE_SET_PROTOTYPE_ACCESSOR(constructor, "fingerprint", ctxGetter,ctxSetter);
  NODE_SET_PROTOTYPE_ACCESSOR(constructor, "protocol_version", ctxGetter,ctxSetter);
  NODE_SET_PROTOTYPE_ACCESSOR(constructor, "smstate", ctxGetter,ctxSetter);
  NODE_SET_PROTOTYPE_ACCESSOR(constructor, "trust", ctxGetter,ctxSetter);

  target->Set(name, constructor->GetFunction());
}

Handle<Value> ConnectionCtx::New(const Arguments& args) {
  HandleScope scope;
  ConnContext *context=NULL;
  if(args.Length()==0){
  
  }else{
      if(!args[0]->IsObject()){
        return scope.Close(V8EXCEPTION("Invalid arguments. First argument 'userstate' (UserState) excpected."));
      }
      if(!args.Length() > 1 || !args[1]->IsString()){
        return scope.Close(V8EXCEPTION("Invalid arguments. Second argument 'accountname' (string) excpected."));
      }
      if(!args.Length() > 2 || !args[2]->IsString()){
        return scope.Close(V8EXCEPTION("Invalid arguments. Third argument 'protocol' (string) excpected."));
      }
      if(!args.Length() > 3 || !args[3]->IsString()){
        return scope.Close(V8EXCEPTION("Invalid arguments. Fourth argument 'recipient' (string) excpected."));
      }
    
      int addedp;
      UserState* us = node::ObjectWrap::Unwrap<UserState>(args[0]->ToObject());
      String::Utf8Value accountname(args[1]->ToString());
      String::Utf8Value protocol(args[2]->ToString());
      String::Utf8Value user(args[3]->ToString());  
      context = otrl_context_find(us->userstate_, *user,*accountname, *protocol, 1, &addedp, NULL,NULL);  
  }
  ConnectionCtx* obj = new ConnectionCtx(context);
  obj->Wrap(args.This());

  return scope.Close(args.This());
}
v8::Handle<v8::Value> ConnectionCtx::WrapConnectionCtx(ConnContext *context){
        v8::Local<v8::Object> o = constructor->InstanceTemplate()->NewInstance();
        ConnectionCtx *obj = node::ObjectWrap::Unwrap<ConnectionCtx>(o);
        obj->context_ = context;
        return o;
}
   
void ConnectionCtx::ctxSetter(Local<String> property, Local<Value> value, const AccessorInfo& info) {
}

Handle<Value> ConnectionCtx::ctxGetter(Local<String> property, const AccessorInfo& info) {
    HandleScope scope;
    ConnectionCtx* obj = node::ObjectWrap::Unwrap<ConnectionCtx>(info.This());      
    ConnContext *ctx = obj->context_;

    if(!ctx) return scope.Close(Undefined());
    
    std::string prop = cvv8::CastFromJS<std::string>(property);
    
    IfStrEqual(prop,"protocol"){
        return scope.Close(String::New(ctx->protocol));
    }
    IfStrEqual(prop,"username"){
        return scope.Close(String::New(ctx->username));
    }
    IfStrEqual(prop,"accountname"){
        return scope.Close(String::New(ctx->accountname));
    }
    IfStrEqual(prop,"msgstate"){
        return scope.Close(Int32::New((unsigned int)ctx->msgstate));
    }
    IfStrEqual(prop,"protocol_version"){
        return scope.Close(Int32::New((unsigned int)ctx->protocol_version));
    }
    IfStrEqual(prop,"smstate"){
        return scope.Close(Int32::New((unsigned int)ctx->smstate->sm_prog_state));
    }        
    IfStrEqual(prop,"fingerprint"){
        if(ctx->active_fingerprint==NULL) return scope.Close(Undefined());
        char human[45];
        otrl_privkey_hash_to_human(human, ctx->active_fingerprint->fingerprint);
        return scope.Close(String::New(human));
    }
    IfStrEqual(prop,"trust"){
        if(ctx->active_fingerprint==NULL) return scope.Close(Undefined());
        if(ctx->active_fingerprint->trust == NULL) return scope.Close(Undefined());
        return scope.Close(String::New(ctx->active_fingerprint->trust));
    }   
   
    return scope.Close(Undefined());
    
}

}