//
// Created by black on 12.06.25.
//

#include "Manager.h"

#include <iostream>
#include <utility>
#include <filesystem>

#include "components/Alu.h"
namespace fs = std::filesystem;

Manager::Manager(std::string path): m_path(std::move(path)) {
    std::cout << "Öffne Quellcode Datei: '" << m_path << "'" << "\n" << std::flush;
    if (!fs::exists(m_path)) {
        std::cerr << "Datei existiert nicht: " << m_path << "\n" << std::flush;
        return;
    }
    m_programFile.open(m_path);
    if (!m_programFile.is_open()) {
        std::cerr << "Datei konnte nicht geöffnet werden: " << m_path << "\n" << std::flush;
        std::cerr << "fail (z.B. Zugriffsrechte): " << m_programFile.fail() << "\n" << std::flush;
        std::cerr << "bad (schwerwiegender Fehler): " << m_programFile.bad() << "\n" << std::flush;
        return;
    }
}

Manager::~Manager() {
    m_programFile.close();
}

Manager *Manager::getInstance(const std::string &program_path) {
    static Manager instance{program_path};
    return &instance;
}

int Manager::run() {
    std::string line;
    ProgramLoader::getInstance()->indexFile(m_programFile);
    m_programFile.clear();
    m_programFile.seekg(0);
    while (std::getline(m_programFile, line)) {
        auto lineVector = ProgramLoader::parseLine(line);
        Alu::calculate(lineVector);
    }
    return 0;
}