#include <cxxabi.h>
#include <iostream>
#include <typeinfo>

#include "../mcc_fsm.h"

using namespace mcc;


struct S {
};


struct EV1 {
    static constexpr std::string_view ID = "EV1";

    // EV1() = default;
    // EV1(EV1&&) = default;
    // EV1& operator=(EV1&&) = default;
};

struct EV2 {
    static constexpr std::string_view ID = "EV2";
};


struct STN : fsm::MccFsmAbstractState {
    static constexpr std::string_view ID = "STN";
    using transition_t = trans_table_t<std::pair<EV1, STN>, std::pair<EV2, STN>>;
};

struct ST2 : fsm::MccFsmAbstractState {
    static constexpr std::string_view ID = "ST2";
    using transition_t = trans_table_t<std::pair<EV2, STN>>;
};

struct ST1 : fsm::MccFsmAbstractState {
    static constexpr std::string_view ID = "ST1";
    using transition_t = trans_table_t<std::pair<EV1, ST2>, std::pair<EV2, STN>>;
};

// using tr_t = fsm::MccFsmAbstractState::trans_table_t<std::pair<EV1, ST1>>;

// static_assert(fsm::traits::fsm_trans_table_c<tr_t>, "!!!!!!!!!!!!!");

// fsm::MccFiniteStateMachine<ST1> fsm;

int main()
{
    typedef fsm::unique_tuple_t<int, float, long, int, double, char, long> ut_t;

    std::cout << "type index: " << fsm::unique_tuple_type_index_t<double, ut_t>::index << " (double)\n";
    std::cout << "type index: " << fsm::unique_tuple_type_index_t<int, ut_t>::index << " (int)\n";
    std::cout << "type index: " << fsm::unique_tuple_type_index_t<long, ut_t>::index << " (long)\n";
    // std::cout << "type index: " << fsm::unique_tuple_type_index_t<S, ut_t>::index << " (struct S)\n";

    std::cout << typeid(ut_t::tuple_t).name() << "\n";
    std::cout << typeid(ut_t::non_unique_t).name() << "\n";


    typedef fsm::pair_holder_t<std::pair<int, long>, std::pair<float, double>, std::pair<char, char*>> ph_t;

    // using s_t = fsm::pair_holder_find_t<float, ph_t>::result_t;
    using s_t = fsm::pair_holder_find_t<S, ph_t>::result_t;
    if constexpr (std::is_null_pointer_v<s_t>) {
        std::cout << "second type: invalid input type!\n";
    } else {
        std::cout << "second type: " << typeid(s_t).name() << "\n";
    }

    using t1_t = fsm::pair_holder_first_t<ph_t>::first_t;
    std::cout << "first types: " << typeid(t1_t).name() << "\n";

    using t2_t = fsm::pair_holder_second_t<ph_t>::second_t;
    std::cout << "second types: " << typeid(t2_t).name() << "\n";


    using tp1_t = std::tuple<int, float, long, char>;
    using tp2_t = std::tuple<double, float, char*>;

    int status;
    char* aa = abi::__cxa_demangle(typeid(STN::transition_t::states_t).name(), NULL, NULL, &status);
    std::cout << "aa = " << aa << "\n";
    char* uu = abi::__cxa_demangle(typeid(STN::transition_t::unique_states_t).name(), NULL, NULL, &status);
    std::cout << "uu = " << uu << "\n";

    free(aa);
    free(uu);

    return 0;
}