#include "../lmdb-safe.hh"

#include <cstring>
#include <iostream>

using namespace std;
using namespace LMDBSafe;

template <typename First, typename Second> struct Pair {
    First first;
    Second second;
};

int main(int argc, char **)
{
    auto env = getMDBEnv("./resize.lmdb", MDB_NOSUBDIR | MDB_NOSYNC, 0600);
    auto main = env->openDB("ahu", MDB_CREATE);

    MDBInVal key("counter");

    auto rwtxn = env->getRWTransaction();
    rwtxn->put(main, "counter", "1234");
    rwtxn->put(main, MDBInVal::fromStruct(Pair<int, int>{ 12, 13 }), "hoi dan 12,13");

    rwtxn->put(main, MDBInVal::fromStruct(Pair<int, int>{ 14, 15 }), MDBInVal::fromStruct(Pair<int, int>{ 20, 23 }));

    MDBOutVal out;
    if (!rwtxn->get(main, MDBInVal::fromStruct(Pair<int, int>{ 12, 13 }), out))
        cout << "Got: " << out.get<string_view>() << endl;
    else
        cout << "Got nothing!1" << endl;

    if (!rwtxn->get(main, MDBInVal::fromStruct(Pair<int, int>{ 14, 15 }), out)) {
        auto res = out.get_struct<Pair<int, int>>();
        cout << "Got: " << res.first << ", " << res.second << endl;
    } else
        cout << "Got nothing!1" << endl;

    rwtxn->put(main, 12.12, 7.3);
    if (!rwtxn->get(main, 12.12, out)) {
        cout << "Got: " << out.get<double>() << endl;
    } else
        cout << "Got nothing!1" << endl;

    rwtxn->commit();
    return 0;

    if (argc == 1) {
        for (;;) {
            auto rotxn = env->getROTransaction();
            MDBOutVal data;
            if (!rotxn->get(main, key, data)) {
                cout << "Counter is " << data.get<unsigned int>() << endl;
                cout << data.get<string>() << endl;
                cout << data.get<string_view>() << endl;

                struct Bert {
                    std::uint16_t x, y;
                };
                auto b = data.get_struct<Bert>();
                cout << b.x << " " << b.y << endl;
                cout << data.get<unsigned long>() << endl;
            } else
                cout << "Didn't find it" << endl;
            exit(1);
        }
    } else {
        std::size_t size = 1ULL * 4096 * 244140ULL;
        for (unsigned int n = 0;; ++n) {
            if (!(n % 16384)) {
                size += 16384;
                if (int rc = mdb_env_set_mapsize(*env.get(), size))
                    throw std::runtime_error("Resizing: " + string(mdb_strerror(rc)));
                cout << "Did resize" << endl;
            }
            auto txn = env->getRWTransaction();
            txn->put(main, key, MDBInVal(n));
            for (unsigned int k = 0; k < 100; ++k)
                txn->put(main, MDBInVal(n + 1000 * k), MDBInVal(n + 1000 * k));
            txn->commit();
        }
    }
}