BeamMP-Launcher/src/Config.cpp

///
/// Created by Anonymous275 on 2/23/2021
///

#include "Logger.h"
#include "Network/network.hpp"
#include <cstdint>
#include <filesystem>
#include <fstream>
#include <nlohmann/json.hpp>
namespace fs = std::filesystem;

std::string Branch;
void ParseConfig(const nlohmann::json& d) {
    if (d["Port"].is_number()) {
        DEFAULT_PORT = d["Port"].get<int>();
    }
    // Default -1
    // Release 1
    // EA 2
    // Dev 3
    // Custom 3

    if (d["Build"].is_string()) {
        Branch = d["Build"].get<std::string>();
        for (char& c : Branch)
            c = char(tolower(c));
    }
}

void ConfigInit() {
    if (fs::exists("Launcher.cfg")) {
        std::ifstream cfg("Launcher.cfg");
        if (cfg.is_open()) {
            auto Size = fs::file_size("Launcher.cfg");
            std::string Buffer(Size, 0);
            cfg.read(&Buffer[0], Size);
            cfg.close();
            nlohmann::json d = nlohmann::json::parse(Buffer, nullptr, false);
            if (d.is_discarded()) {
                fatal("Config failed to parse make sure it's valid JSON!");
            }
            ParseConfig(d);
        } else
            fatal("Failed to open Launcher.cfg!");
    } else {
        std::ofstream cfg("Launcher.cfg");
        if (cfg.is_open()) {
            cfg <<
                R"({
    "Port": 4444,
    "Build": "Default"
})";
            cfg.close();
        } else {
            fatal("Failed to write config on disk!");
        }
    }
}