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

#include "MenuManager.h"
#include "ProductSale.h"

std::string readFile(std::string &fileName, std::vector<ProductSale*> &allSales) {
    std::string content;
    std::ifstream infile;
    infile.open(fileName);

    if (!infile.is_open()) {
        std::cout << "File does not exist" << std::endl;
        return "FAILED_TO_READ_FILE";
    }

    std::string line;
    std::getline(infile, line); // Skip first Line
    while (std::getline(infile, line)) {
        content += line;

        ProductSale *temp = new ProductSale(line);  // TODO Use Smart Pointers
        allSales.push_back(temp);
    }

    return content;
}

void deleteAllPointers(std::vector<ProductSale*> &allSales) {
    for (auto it = allSales.begin(); it != allSales.end(); it++) {
        delete (*it);
    }
}

void getMostPopularTypeIn(std::string country, std::vector<ProductSale*> &allSales) {
    // TODO Add Map DataType
    for (auto singelSale = allSales.begin(); singelSale != allSales.end(); singelSale++) {
        // map.add(singleSale)
    }
    // return map.getMostCommon
}

void Aufg8Main() {
    std::vector<ProductSale*> allSales;
    std::string fileName = "../Aufg8/IO-Files/sales_records_small.csv";

    readFile(fileName, allSales);

    for (int i = 0; i < allSales.size(); ++i) {
        std::cout << allSales[i]->toString() << std::endl;
        std::cout << "==============" << std::endl;
    }

    deleteAllPointers(allSales);

    std::string* selectedRegion;
    std::string* selectedType;
    int* currentMenu;

    MenuManager menu{currentMenu, selectedRegion, selectedType};
    menu.MainInteraction();
    switch (*currentMenu) { // TODO Finish these
        case 0:
            return;
        case 1:
            // getTotalProfitFor(*selectedType);
            break;
        case 2:
            // getSaleCount(*selectedType, *selectedRegion);
            break;
        case 3:
            getMostPopularTypeIn(*selectedRegion, allSales);
            break;
        case 4:
            // getOnlineVsOfflineIn(*selectedRegion);
            break;
        default:
            std::cout << "You should not be able to reach this!";
    }
}