#include <sstream>
#include <string>

#include "exception.h"
#include "obstacle_s.h"
#include "parse.h"

using namespace JFK::server;
using std::string;

obstacle::obstacle(int itype)
    : JFK::obstacle(itype)
{
}

void
obstacle::assign(const object* o)
{
    *this = *dynamic_cast<const obstacle*>(o);
}

string
obstacle::diffstring(const object*) const
{
    return "";
}

/* n= has to come before the points! */
void
obstacle::fromstring(const string& s)
{
    int index = 0;

    string arg = argument(0, s);
    
    while (arg.length() > 0)
    {
        string id = identifier(arg);
        if (id == "x") x = strtodbl(value(arg));
        else if (id == "y") y = strtodbl(value(arg));
        else if (id == "type") type = strtoint(value(arg));
        else if (id == "n") p.resize(strtoint(value(arg)), point(0.0, 0.0));
        else
        {
            size_t pindex = strtoint(id.substr(1, id.length() - 1));
            if (pindex < p.size())
            {
                if (id[0] == 'x') p[pindex].x = strtodbl(value(arg));
                else if (id[0] == 'y') p[pindex].y = strtodbl(value(arg));
            }
        }
        //else throw exception("wrong string"); better ignore...

        index++;
        arg = argument(index, s);
    }    
}

void
obstacle::delegate_collision(object* obj) const
{
    obj->collide_with_obstacle(this);
}