#include "Stock.h"

// Constructs a new Stock with the given symbol and current price per share.
Stock::Stock(string symbol, double sharePrice) {
    m_symbol = symbol;
    m_sharePrice = sharePrice;
    m_cost = 0.0;
    m_shares = 0;
}


// Returns this asset's total cost spent on all shares.
double Stock::cost() const {
    return m_cost;
}

// Returns the market value of this stock, which is
// the number of total shares times the share price.
double Stock::marketValue() const {
    return shares() * sharePrice();
}

// Returns the profit earned on shares of this asset.
double Stock::profit() const {
    return marketValue() - cost();
}

// Records a purchase of the given number of shares of
// stock at the given price per share.
void Stock::purchase(int shares, double sharePrice) {
    m_shares += shares;
    m_cost += shares * sharePrice;
}

// Sets the current share price of this asset.
void Stock::setSharePrice(double sharePrice) {
    m_sharePrice = sharePrice;
}

// Returns the total number of shares purchased.
int Stock::shares() const {
    return m_shares;
}

// Returns the price per share of this asset.
double Stock::sharePrice() const {
    return m_sharePrice;
}