/*
 *  io.cpp
 *
 *  - This file contains basic funcions to read files and parse them
 *
 *  - Taken from AfonsoCMSousa (me) advent of code repository:
 *  https://github.com/AfonsoCMSousa/AdventOfCode
 *
 *  Note: The funtions were changed to better suit the needs of this project, but the original code can be found in the repository above.
 *  Created by AfonsoCMSousa on 21/05/2026.
 */

#ifndef FILE_IO_CPP
#define FILE_IO_CPP

#include <cstdint>
#include <fstream>
#include <sstream>
#include <string>
#include <vector>

// Reads a file and returns a vector of strings, where each string is a line in the file
std::vector<std::vector<char>> read_char(const char *filePath)
{
    std::ifstream file(filePath);
    if (!file.is_open())
    {
        throw std::runtime_error("Could not open file");
    }

    std::vector<std::vector<char>> lines;
    std::string line;

    while (std::getline(file, line))
    {
        std::vector<char> charLine(line.begin(), line.end());
        lines.push_back(charLine);
    }

    file.close();
    return lines;
}

std::vector<uint64_t> get_digits(uint64_t number) {
    std::vector<uint64_t> _return_vec;
	while (number != 0) {
		_return_vec.push_back(number % 10);
		number /= 10;
	}
    std::reverse(_return_vec.begin(), _return_vec.end());

	return _return_vec;
}

#endif // FILE_IO_CPP