#pragma once

// library
#include <string>
#include <vector>
#include <fstream>
#include <iostream>

using std::string;
using std::vector;
using std::ifstream;
using std::ios;
using std::cerr;

struct Data {
    string country_name;
    int num_of_days_since_first_case;
    int num_of_current_cases;
};

class CovidData {
    private:
        vector<Data>* covid_data;
        size_t num_of_data;


    public:
        CovidData() {
            covid_data = new vector<Data>;
            num_of_data = 0;
        }

        int readData(string filename) {
            ifstream file(filename, ios::in);

            if (!file.is_open()) {
                cerr << "file cannot be open";
            }

            while (!file.eof()) {
                Data d;
                file >> d.country_name
                     >> d.num_of_days_since_first_case
                     >> d.num_of_current_cases;

                covid_data->push_back(d);
                num_of_data++;
            }

            return num_of_data;
        }

        int getMinCases(string country) {
            int min_cases = -1;

            for (const Data& elem : *covid_data) {
                if (elem.country_name == country) {
                    if (elem.num_of_current_cases < min_cases
                        || min_cases == -1)
                        min_cases = elem.num_of_current_cases;
                }
            }

            return min_cases;
        }


};