#ifndef UTILS_HPP
#define UTILS_HPP

#include <expected>
#include <string>
#include <cstdint>
#include <filesystem>
#include <expected>
#include "json.hpp"
#include "crow.h"

namespace utils {
    // Svelte genereated files 
    const std::filesystem::path build_dir = "frontend/build/"; 
    // Non-autogenerated assets folder 
    const std::filesystem::path assets_dir = "assets/";

    std::map<std::string, std::string> parseBody(const std::string& body);

    std::optional<std::string> getBodyName(const std::string& body);

    std::expected<bool, std::string> isLocalPortOpen(uint16_t portno);

    std::string to_id_format(const std::string& s);

    std::string loadFile(const std::string& path);

    std::filesystem::path getDataDir();

    std::string urlDecode(const std::string& str);

    std::string currentTime();

    template<typename T>
    std::string toJsonArray(const std::vector<T>& data){
        nlohmann::json arr = nlohmann::json::array();
        for (auto& c : data) {
            arr.push_back(nlohmann::json(c));
        }
        return arr.dump();
    } 

    std::expected<nlohmann::json, std::string> parseJson(const std::string& input);


    template <typename T>
    std::expected<T, std::string> fromJson(const std::string& input) {
    try {
        return nlohmann::json::parse(input).get<T>();
    }
    catch (const nlohmann::json::exception& e) {
        return std::unexpected(e.what());
    }
}

std::string read_file(const std::string& path);
crow::response getFile(const std::filesystem::path& file_path);
}

#endif