// UMBC - CMSC 341 - Spring 2023 - Proj1
#include "fuel.h"

FuelSys::FuelSys(){
    
}
FuelSys::~FuelSys(){
    
}
bool FuelSys::addTank(int tankID, int tankCap, int tankFuel = 0) {
    
}
bool FuelSys::removeTank(int tankID){
    
}
bool FuelSys::findTank(int tankID){
    
}
bool FuelSys::addPump(int tankID, int pumpID, int targetTank){
    
}
bool FuelSys::removePump(int tankID, int pumpID){
    
}
int FuelSys::totalFuel() const{
    
}
bool FuelSys::drain(int tankID, int pumpID, int fuel){
    
}
bool FuelSys::fill(int tankID, int fuel){
    
}
const FuelSys & FuelSys::operator=(const FuelSys & rhs){
    
}
void FuelSys::dumpSys() const{
    if (m_current != nullptr){
        Tank* tempTank = m_current->m_next;//we start at front item
        //we continue visting nodes until we reach the cursor
        while(m_current != nullptr && tempTank != m_current){
            cout << "Tank " << tempTank->m_tankID << "(" << tempTank->m_tankFuel << " kg)" << endl;
            // now dump the targets for all pumps in this tank
            // we need to traverse the list of pumps
            dumpPumps(tempTank->m_pumps);
            tempTank = tempTank->m_next;
        }
        //at the end we visit the cursor (current)
        //this also covers the case that there is only one item
        cout << "Tank " << m_current->m_tankID << "(" << m_current->m_tankFuel << " kg)" << endl;
        dumpPumps(tempTank->m_pumps);
        cout << "The current tank is " << m_current->m_tankID << endl;
    }
    else
        cout << "There is no tank in the system!\n\n";
}

void FuelSys::dumpPumps(Pump* pumps) const{
    // this traverses the linked list to the end
    Pump* tempPump = pumps;
    while (tempPump != nullptr){
        cout << " => pump " << tempPump->m_pumpID << "(To tank " << tempPump->m_target << ")" << endl;
        tempPump = tempPump->m_next;
    }
}