#include "minecarts.h"

#include <iomanip>

using namespace std;

void Rail :: travel (istream & is)
{
    visit ();
    travel_to (is, to);
}

void Rail :: visit ()
{
    if (visited)
    {
	cout << "Du känner igen dig..." << endl;
    }
    else
    {
	visited = true;
    }
}

void Rail :: connect (Rail * rail)
{
    to = rail;
}

void Rail :: travel_to (istream & is, Rail * target)
{
    if (target == nullptr)
    {
	cout << "Rälsen tog slut, du spårar ur!" << endl;
    }
    else
    {
	cout << "Du fortsätter framåt!" << endl;
        target->travel (is);
    }
}

void Junction :: travel (istream & is)
{
    visit ();
    cout << "Vill du svänga (y/n)? ";
    is >> ans;
    if (ans == 'n')
    {
	travel_to (is, to);
    }
    else
    {
	cout << "Du valde att svänga!" << endl; 
	travel_to (is, right);
    }
}

void Junction :: visit ()
{
    if (visited)
    {
	cout << "Du har känner igen den här korsningen. "
	     << "Senast du var här så ";
	if (ans == 'n')
	{
	    cout << "åkte du rakt fram!";
	}
	else
	{
	    cout << "svängde du!";
	}
	cout << endl;
    }
    else
    {
	visited = true;
    }
}


void Junction :: connect (Rail * forward, Rail * other)
{
    to = forward;
    right = other;
}

Destination :: Destination (string const & name)
    : name { name }
{
}

void Destination :: travel (istream & is)
{
    cout << "Du kom fram till " << name << ", bra jobbat!" << endl;
}