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

#include "../mcc_finite_state_machine.h"

using namespace mcc;


struct S {
};


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

    void onTransit()
    {
        //
        std::cout << "EV1::onTransit()\n";
    }
};

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

struct EV3 {
    static constexpr std::string_view ID = "EV3";
};

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

struct ST1;
struct ST2;

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

    void enter()
    {
        std::cout << "transit to " << ID << "-state\n";
    }

    void exit()
    {
        std::cout << "transit from " << ID << "-state\n";
    }
};

struct ST3 {
    static constexpr std::string_view ID = "ST3";
    using transition_t = fsm::fsm_transition_table_t<std::pair<EV1, ST1>, std::pair<EV2, ST2>>;

    void enter(EV3& ev)
    {
        std::cout << "transit to " << ID << "-state\n";
    }

    void exit()
    {
        std::cout << "transit from " << ID << "-state\n";
    }
};

struct ST2 {
    static constexpr std::string_view ID = "ST2";
    using transition_t = fsm::fsm_transition_table_t<std::pair<EV2, STN>, std::pair<EV3, ST3>>;

    void enter(EV2& ev)
    {
        std::cout << "transit to " << ID << "-state\n";
    }

    void exit()
    {
        std::cout << "transit from " << ID << "-state\n";
    }
};

struct ST1 {
    static constexpr std::string_view ID = "ST1";
    using transition_t =
        fsm::fsm_transition_table_t<std::pair<EV1, ST2>, std::pair<EV2, STN>, std::pair<EV3, STN>, std::pair<EV3, STN>>;

    void enter()
    {
        std::cout << "transit to " << ID << "-state\n";
    }

    void exit()
    {
        std::cout << "transit from " << ID << "-state\n";
    }
};



int tests_fsm(int, char**)
{
    std::cout << "\n\n\n------- mcc_finite_state_machine.h -------\n";



    fsm::MccFiniteStateMachine fsmach(ST1{});

    std::cout << "STATES: ";
    for (auto& el : fsmach.stateIDs()) {
        std::cout << std::quoted(el) << " ";
    }
    std::cout << "\n";

    std::cout << "EVENTS: ";
    for (auto& el : fsmach.eventIDs()) {
        std::cout << std::quoted(el) << " ";
    }
    std::cout << "\n";

    fsmach.dispatchEvent<EV1>();
    fsmach.dispatchEvent<EV3>();
    fsmach.dispatchEvent<EV2>();

    // fsmach.dispatchEvent<EVN>();

    using tab_t = fsm::fsm_transition_table_t<std::pair<EV1, ST2>, std::pair<EV3, ST1>>;

    using st_t = tab_t::find_state_by_event_t<EV2>;

    int status;
    char* aa = abi::__cxa_demangle(typeid(st_t).name(), NULL, NULL, &status);
    std::cout << "aa = " << aa << "\n";
    free(aa);

    std::cout << "\nAfter std::move\n";
    auto fsmach1 = std::move(fsmach);
    std::cout << "STATES: ";
    for (auto& el : fsmach1.stateIDs()) {
        std::cout << std::quoted(el) << " ";
    }
    std::cout << "\n";
    std::cout << "current state: " << std::quoted(fsmach1.currentStateID()) << "\n";

    return 0;
}