#include <fstream>
#include <vector>
#include <algorithm>
#include <ranges>
#include <numeric>
#include <cmath>
#include <utility>

#include "fmt/format.h"

using levels_t  = std::vector<std::uint32_t>;
using reports_t = std::vector<levels_t>;

auto main([[maybe_unused]]int argc, [[maybe_unused]]char const* argv[]) -> int {
    constexpr auto filename = "./dat/24/ex/02.txt";
    std::ifstream strm{filename, std::ios::in};
    if (!strm.is_open()) {
        fmt::print("Error opening file: {}\n", filename);
        return 1;
    }

    reports_t reports{};

    levels_t levels{};
    std::string str{};
    while (strm) {
        auto const c = char(strm.peek());
        if (std::isdigit(c)) {
            str += char(strm.get());
            continue;
        }
        if (c == ' ') {
            if (!str.empty()) {
                levels.emplace_back(std::stoi(str));
                str.clear();
            }
        }
        if (c == '\n') {
            if (!str.empty()) {
                reports.emplace_back(std::move(levels));
                str.clear();
            }
        }
        strm.get();
    }

    return 0;
}