#include "parser.h"
#include "../settings.h"
#include <filesystem>
#include <iostream>
#include "../goods/goods.h"

Parser::Parser() {}

std::vector<std::string> Parser::search_modules() {
    std::string path = std::string(std::getenv("HOME")) + "/" + STORES_MODULES_DIR;
    std::filesystem::directory_entry modules_dir(path);

    if (!modules_dir.exists()) {
        std::filesystem::create_directories(path);
        std::cout << "No modules directory found. Created one at " << path
                  << std::endl;
        std::cout << "Please, download modules to that directory from my git."
                  << std::endl;
    }

    std::vector<std::string> modules_files;

    for (auto file : std::filesystem::directory_iterator(path)) {
        modules_files.push_back(file.path());
    }

    return modules_files;
}

void Parser::set_module(std::string path) { module = StoreModule(path); }

std::vector<Goods> Parser::parse(std::wstring check_plaintext) {
    std::vector<Goods> result;

    module.trim_check(check_plaintext);

    std::vector<std::string> goods_names = module.parse_name(check_plaintext);
    std::vector<std::string> goods_prices = module.parse_price(check_plaintext);
    std::vector<std::string> goods_quantities =
        module.parse_quantity(check_plaintext);
#ifdef DEBUG
    std::cout << goods_names.size() << " " << goods_prices.size() << " " << goods_quantities.size() << std::endl;
#endif
    if (goods_names.size() != goods_prices.size() ||
        goods_names.size() != goods_quantities.size() ||
        goods_prices.size() != goods_quantities.size()) {
        //Error. Amount of names, prices or quantities are not equal. That means, that some regex(es) has mismatched.
        return {};
    }
    short goods_amount = goods_names.size();

    for (short i = 0; i < goods_amount; i++) {
        Goods goods(goods_names[i], std::stof(goods_prices[i]), std::stof(goods_quantities[i]));

        result.push_back(goods);
    }

    return result;
}