#include "bi2x_hook.h"

#include "util/execexe.h"
#include "util/logging.h"
#include "rawinput/rawinput.h"
#include "misc/eamuse.h"
#include "games/io.h"
#include "io.h"
#include "util/tapeled.h"

namespace games::pc {

    /*
     * class definitions
     */

    struct AIO_SCI_COMM {
    };

    struct AIO_NMGR_IOB2 {
    };

    struct AIO_IOB2_BI2X_AC1 {
    };

    struct AIO_IOB2_BI2X_AC1__SETTING {
    };

    struct AIO_IOB2_BI2X_WRFIRM {
    };

    struct AIO_IOB2_BI2X_AC1__INPUT
    {
        uint8_t DevIoCounter;
        uint8_t bExIoAErr;
        uint8_t bExIoBErr;
        uint8_t bPcPowerOn;
        uint8_t bPcPowerCheck;
        uint8_t bCoin1Jam;
        uint8_t bCoin2Jam;
        uint8_t bCoin3Jam;
        uint8_t bCoin4Jam;
        uint8_t Coin1Count;
        uint8_t Coin2Count;
        uint8_t Coin3Count;
        uint8_t Coin4Count;
        uint16_t AnalogCh1;
        uint16_t AnalogCh2;
        uint16_t AnalogCh3;
        uint16_t AnalogCh4;
        uint8_t CN8_8;
        uint8_t CN8_9;
        uint8_t CN8_10;
        uint8_t CN9_8;
        uint8_t CN9_9;
        uint8_t CN9_10;
        uint8_t CN11_11;
        uint8_t CN11_12;
        uint8_t CN11_13;
        uint8_t CN11_14;
        uint8_t CN11_15;
        uint8_t CN11_16;
        uint8_t CN11_17;
        uint8_t CN11_18;
        uint8_t CN11_19;
        uint8_t CN11_20;
        uint8_t CN12_11;
        uint8_t CN12_12;
        uint8_t CN12_13;
        uint8_t CN12_14;
        uint8_t CN12_15;
        uint8_t CN12_16;
        uint8_t CN12_17;
        uint8_t CN12_18;
        uint8_t CN12_19;
        uint8_t CN12_20;
        uint8_t CN12_21;
        uint8_t CN12_22;
        uint8_t CN12_23;
        uint8_t CN12_24;
        uint8_t CN15_3;
        uint8_t CN15_4;
        uint8_t CN15_5;
        uint8_t CN15_6;
        uint8_t CN15_7;
        uint8_t CN15_8;
        uint8_t CN15_9;
        uint8_t CN15_10;
        uint8_t CN15_11;
        uint8_t CN15_12;
        uint8_t CN15_13;
        uint8_t CN15_14;
        uint8_t CN15_15;
        uint8_t CN15_16;
        uint8_t CN15_17;
        uint8_t CN15_18;
        uint8_t CN15_19;
        uint8_t CN15_20;
        uint8_t CN19_8;
        uint8_t CN19_9;
        uint8_t CN19_10;
        uint8_t CN19_11;
        uint8_t CN19_12;
        uint8_t CN19_13;
        uint8_t CN19_14;
        uint8_t CN19_15;
    };

    struct AIO_IOB2_BI2X_AC1__INPUTDATA {
        uint8_t data[247];
    };

    struct AIO_IOB2_BI2X_AC1__OUTPUTDATA {
        uint8_t data[48];
    };

    struct AIO_IOB2_BI2X_AC1__ICNPIN {
        uint16_t Ain[4];
        uint64_t CnPin;
    };

    struct AIO_IOB2_BI2X_AC1__DEVSTATUS {
        uint8_t InputCounter;
        uint8_t OutputCounter;
        uint8_t IoResetCounter;
        uint8_t TapeLedCounter;
        uint8_t TapeLedRate[8];
        AIO_IOB2_BI2X_AC1__INPUT Input;
        AIO_IOB2_BI2X_AC1__INPUTDATA InputData;
        AIO_IOB2_BI2X_AC1__OUTPUTDATA OutputData;
        AIO_IOB2_BI2X_AC1__ICNPIN ICnPinHist[20];
    };

    /*
     * typedefs
     */

    // libaio-iob2_video.dll
    typedef AIO_IOB2_BI2X_AC1* (__fastcall *aioIob2Bi2xAC1_Create_t)(AIO_NMGR_IOB2 *i_pNodeMgr, uint32_t i_DevId,
                                                                     AIO_IOB2_BI2X_AC1__SETTING *i_Setting);
    typedef void (__fastcall *aioIob2Bi2xAC1_GetDeviceStatus_t)(AIO_IOB2_BI2X_AC1 *i_pNodeCtl,
                                                                AIO_IOB2_BI2X_AC1__DEVSTATUS *o_DevStatus);
    typedef void (__fastcall *aioIob2Bi2xAC1_SetWatchDogTimer_t)(AIO_IOB2_BI2X_AC1 *i_pNodeCtl, uint8_t i_Count);
    typedef void (__fastcall *aioIob2Bi2xAC1_AddCounter_t)(AIO_IOB2_BI2X_AC1 *i_pNodeCtl, uint32_t i_Counter,
                                                           uint32_t i_Count);
    typedef void (__fastcall *aioIob2Bi2xAC1_SetOutputData_t)(AIO_IOB2_BI2X_AC1 *i_pNodeCtl, uint32_t i_CnPin,
                                                              uint8_t i_Data);
    typedef void (__fastcall *aioIob2Bi2xAC1_SetTapeLedDataPart_t)(AIO_IOB2_BI2X_AC1 *i_pNodeCtl, uint32_t i_TapeLedCh,
                                                                   uint32_t i_Offset, uint8_t *i_pData,
                                                                   uint32_t i_cntTapeLed, bool i_bReverse);
    typedef void (__fastcall *aioIob2Bi2x_SetTapeLedDataGroup_t)(AIO_IOB2_BI2X_AC1* i_pNodeCtl, uint32_t i_bfGroup);
    typedef void (__fastcall *aioIob2Bi2x_SetTapeLedDataLimit_t)(AIO_IOB2_BI2X_AC1* i_pNodeCtl, uint32_t i_Channel,
                                                                uint8_t i_Scale, uint8_t i_Limit);
    typedef AIO_IOB2_BI2X_WRFIRM *(__fastcall *aioIob2Bi2x_CreateWriteFirmContext_t)(uint32_t i_SerialNumber,
                                                                                     uint32_t i_bfIob);
    typedef AIO_SCI_COMM* (__fastcall *aioIob2Bi2x_OpenSciUsbCdc_t)(uint32_t i_SerialNumber);
    typedef void (__fastcall *aioIob2Bi2x_DestroyWriteFirmContext_t)(AIO_IOB2_BI2X_WRFIRM *i_pWrFirm);
    typedef int32_t (__fastcall *aioIob2Bi2x_WriteFirmGetState_t)(AIO_IOB2_BI2X_WRFIRM *i_pWrFirm);
    typedef bool (__fastcall *aioIob2Bi2x_WriteFirmIsCompleted_t)(int32_t i_State);
    typedef bool (__fastcall *aioIob2Bi2x_WriteFirmIsError_t)(int32_t i_State);

    // libaio-iob.dll
    typedef AIO_NMGR_IOB2 *(__fastcall *aioNMgrIob2_Create_t)(AIO_SCI_COMM *i_pSci, uint32_t i_bfMode);
    typedef void (__fastcall *aioNMgrIob_BeginManage_t)(AIO_NMGR_IOB2 *i_pNodeMgr);

    // libaio.dll
    typedef void (__fastcall *aioSci_Destroy_t)(AIO_SCI_COMM *i_pNodeMgr);
    typedef void (__fastcall *aioNodeMgr_Destroy_t)(AIO_NMGR_IOB2 *i_pNodeMgr);
    typedef int32_t (__fastcall *aioNodeMgr_GetState_t)(AIO_NMGR_IOB2 *i_pNodeMgr);
    typedef bool (__fastcall *aioNodeMgr_IsReady_t)(AIO_NMGR_IOB2 *i_pNodeMgr, int32_t i_State);
    typedef bool (__fastcall *aioNodeMgr_IsError_t)(AIO_NMGR_IOB2 *i_pNodeMgr, int32_t i_State);
    typedef void (__fastcall *aioNodeCtl_Destroy_t)(AIO_IOB2_BI2X_AC1 *i_pNodeCtl);
    typedef int32_t (__fastcall *aioNodeCtl_GetState_t)(AIO_IOB2_BI2X_AC1 *i_pNodeCtl);
    typedef bool (__fastcall *aioNodeCtl_IsReady_t)(AIO_IOB2_BI2X_AC1 *i_pNodeCtl, int32_t i_State);
    typedef bool (__fastcall *aioNodeCtl_IsError_t)(AIO_IOB2_BI2X_AC1 *i_pNodeCtl, int32_t i_State);

    /*
     * function pointers
     */

    // libaio-iob2_video.dll
    static aioIob2Bi2xAC1_Create_t aioIob2Bi2xAC1_Create_orig = nullptr;
    static aioIob2Bi2xAC1_GetDeviceStatus_t aioIob2Bi2xAC1_GetDeviceStatus_orig = nullptr;
    static aioIob2Bi2xAC1_SetWatchDogTimer_t aioIob2Bi2xAC1_SetWatchDogTimer_orig = nullptr;
    static aioIob2Bi2xAC1_AddCounter_t aioIob2Bi2xAC1_AddCounter_orig = nullptr;
    static aioIob2Bi2xAC1_SetOutputData_t aioIob2Bi2xAC1_SetOutputData_orig = nullptr;
    static aioIob2Bi2xAC1_SetTapeLedDataPart_t aioIob2Bi2xAC1_SetTapeLedDataPart_orig = nullptr;
    static aioIob2Bi2x_SetTapeLedDataGroup_t aioIob2Bi2x_SetTapeLedDataGroup_orig = nullptr;
    static aioIob2Bi2x_SetTapeLedDataLimit_t aioIob2Bi2x_SetTapeLedDataLimit_orig = nullptr;
    static aioIob2Bi2x_OpenSciUsbCdc_t aioIob2Bi2x_OpenSciUsbCdc_orig = nullptr;
    static aioIob2Bi2x_CreateWriteFirmContext_t aioIob2Bi2x_CreateWriteFirmContext_orig = nullptr;
    static aioIob2Bi2x_DestroyWriteFirmContext_t aioIob2Bi2x_DestroyWriteFirmContext_orig = nullptr;
    static aioIob2Bi2x_WriteFirmGetState_t aioIob2Bi2x_WriteFirmGetState_orig = nullptr;
    static aioIob2Bi2x_WriteFirmIsCompleted_t aioIob2Bi2x_WriteFirmIsCompleted_orig = nullptr;
    static aioIob2Bi2x_WriteFirmIsError_t aioIob2Bi2x_WriteFirmIsError_orig = nullptr;

    // libaio-iob.dll
    static aioNMgrIob2_Create_t aioNMgrIob2_Create_orig = nullptr;
    static aioNMgrIob_BeginManage_t aioNMgrIob_BeginManage_orig = nullptr;

    // libaio.dll
    static aioSci_Destroy_t aioSci_Destroy_orig = nullptr;
    static aioNodeMgr_Destroy_t aioNodeMgr_Destroy_orig = nullptr;
    static aioNodeMgr_GetState_t aioNodeMgr_GetState_orig = nullptr;
    static aioNodeMgr_IsReady_t aioNodeMgr_IsReady_orig = nullptr;
    static aioNodeMgr_IsError_t aioNodeMgr_IsError_orig = nullptr;
    static aioNodeCtl_Destroy_t aioNodeCtl_Destroy_orig = nullptr;
    static aioNodeCtl_GetState_t aioNodeCtl_GetState_orig = nullptr;
    static aioNodeCtl_IsReady_t aioNodeCtl_IsReady_orig = nullptr;
    static aioNodeCtl_IsError_t aioNodeCtl_IsError_orig = nullptr;

    /*
     * variables
     */

    static AIO_IOB2_BI2X_AC1 *aioIob2Bi2xAc1;
    static AIO_SCI_COMM *aioSciComm;
    static AIO_NMGR_IOB2 *aioNmgrIob2;
    static AIO_IOB2_BI2X_WRFIRM *aioIob2Bi2xWrfirm;

    /*
     * implementations
     */

    // libaio-iob2_video.dll

    static AIO_IOB2_BI2X_AC1* __fastcall aioIob2Bi2xAC1_Create(AIO_NMGR_IOB2 *i_pNodeMgr, uint32_t i_DevId,
                                                               AIO_IOB2_BI2X_AC1__SETTING *i_Setting) {
        if (i_pNodeMgr == aioNmgrIob2) {
            log_info("bi2x_hook", "aioIob2Bi2xAC1_Create hook hit");
            aioIob2Bi2xAc1 = new AIO_IOB2_BI2X_AC1;
            return aioIob2Bi2xAc1;
        } else {
            return aioIob2Bi2xAC1_Create_orig(i_pNodeMgr, i_DevId, i_Setting);
        }
    }

    void __fastcall aioIob2Bi2xAC1_GetDeviceStatus(AIO_IOB2_BI2X_AC1 *i_pNodeCtl,
                                                   AIO_IOB2_BI2X_AC1__DEVSTATUS *o_DevStatus) {
        RI_MGR->devices_flush_output();

        if (i_pNodeCtl != aioIob2Bi2xAc1) {
            return aioIob2Bi2xAC1_GetDeviceStatus_orig(i_pNodeCtl, o_DevStatus);
        }

        memset(o_DevStatus, 0x00, sizeof(AIO_IOB2_BI2X_AC1__DEVSTATUS));

        auto &buttons = get_buttons();
        o_DevStatus->Input.CN8_8 = !GameAPI::Buttons::getState(RI_MGR, buttons[Buttons::Test]);
        o_DevStatus->Input.CN8_9 = !GameAPI::Buttons::getState(RI_MGR, buttons[Buttons::Service]);
        o_DevStatus->Input.CN8_10 = !GameAPI::Buttons::getState(RI_MGR, buttons[Buttons::CoinMech]);
        o_DevStatus->Input.CN15_10 = !GameAPI::Buttons::getState(RI_MGR, buttons[Buttons::Headphone]);
        o_DevStatus->Input.CN15_12 = 0xFF; // Recorder off

        o_DevStatus->Input.CN12_11 = !GameAPI::Buttons::getState(RI_MGR, buttons[Buttons::Button1]);
        o_DevStatus->Input.CN12_12 = !GameAPI::Buttons::getState(RI_MGR, buttons[Buttons::Button2]);
        o_DevStatus->Input.CN12_13 = !GameAPI::Buttons::getState(RI_MGR, buttons[Buttons::Button3]);
        o_DevStatus->Input.CN12_14 = !GameAPI::Buttons::getState(RI_MGR, buttons[Buttons::Button4]);
        o_DevStatus->Input.CN12_15 = !GameAPI::Buttons::getState(RI_MGR, buttons[Buttons::Button5]);
        o_DevStatus->Input.CN12_16 = !GameAPI::Buttons::getState(RI_MGR, buttons[Buttons::Button6]);
        o_DevStatus->Input.CN12_17 = !GameAPI::Buttons::getState(RI_MGR, buttons[Buttons::Button7]);
        o_DevStatus->Input.CN12_18 = !GameAPI::Buttons::getState(RI_MGR, buttons[Buttons::Button8]);
        o_DevStatus->Input.CN12_19 = !GameAPI::Buttons::getState(RI_MGR, buttons[Buttons::Button9]);
        o_DevStatus->Input.CN12_20 = !GameAPI::Buttons::getState(RI_MGR, buttons[Buttons::Button10]);
        o_DevStatus->Input.CN12_21 = !GameAPI::Buttons::getState(RI_MGR, buttons[Buttons::Button11]);
        o_DevStatus->Input.CN12_22 = !GameAPI::Buttons::getState(RI_MGR, buttons[Buttons::Button12]);

        auto &analogs = get_analogs();
        if (analogs[Analogs::FaderL].isSet()) {
            float val = (GameAPI::Analogs::getState(RI_MGR, analogs[Analogs::FaderL]) - 0.5f) * 2;
            o_DevStatus->Input.CN15_7 = val < 0.2f;
            o_DevStatus->Input.CN15_6 = val > -0.85f && val < 0.35f;
            o_DevStatus->Input.CN15_5 = val > -0.6f && val < 0.6f;
            o_DevStatus->Input.CN15_4 = val > -0.35f && val < 0.85f;
            o_DevStatus->Input.CN15_3 = val > -0.2f;
        } else {
            o_DevStatus->Input.CN15_7 = GameAPI::Buttons::getState(RI_MGR, buttons[Buttons::FaderL_Left]);
            o_DevStatus->Input.CN15_3 = GameAPI::Buttons::getState(RI_MGR, buttons[Buttons::FaderL_Right]);
            o_DevStatus->Input.CN15_5 = !o_DevStatus->Input.CN15_7 && !o_DevStatus->Input.CN15_3;
        }

        if (analogs[Analogs::FaderR].isSet()) {
            float val = (GameAPI::Analogs::getState(RI_MGR, analogs[Analogs::FaderR]) - 0.5f) * 2;
            o_DevStatus->Input.CN11_20 = val < 0.2f;
            o_DevStatus->Input.CN11_19 = val > -0.85f && val < 0.35f;
            o_DevStatus->Input.CN9_10 = val > -0.6f && val < 0.6f;
            o_DevStatus->Input.CN9_9 = val > -0.35f && val < 0.85f;
            o_DevStatus->Input.CN9_8 = val > -0.2f;
        } else {
            o_DevStatus->Input.CN11_20 = GameAPI::Buttons::getState(RI_MGR, buttons[Buttons::FaderR_Left]);
            o_DevStatus->Input.CN9_8 = GameAPI::Buttons::getState(RI_MGR, buttons[Buttons::FaderR_Right]);
            o_DevStatus->Input.CN9_10 = !o_DevStatus->Input.CN11_20 && !o_DevStatus->Input.CN9_8;
        }

        o_DevStatus->Input.Coin1Count = eamuse_coin_get_stock();
    }

    void __fastcall aioIob2Bi2xAC1_SetWatchDogTimer(AIO_IOB2_BI2X_AC1 *i_pNodeCtl, uint8_t i_Count) {
        if (i_pNodeCtl != aioIob2Bi2xAc1) {
            return aioIob2Bi2xAC1_SetWatchDogTimer_orig(i_pNodeCtl, i_Count);
        }
    }

    void __fastcall aioIob2Bi2xAC1_AddCounter(AIO_IOB2_BI2X_AC1 *i_pNodeCtl, uint32_t i_Counter, uint32_t i_Count) {
        if (i_pNodeCtl == aioIob2Bi2xAc1 && i_Count == 0) {
            eamuse_coin_set_stock((uint16_t) i_Count);
        } else {
            return aioIob2Bi2xAC1_AddCounter_orig(i_pNodeCtl, i_Counter, i_Count);
        }
    }

    void __fastcall aioIob2Bi2xAC1_SetOutputData(AIO_IOB2_BI2X_AC1 *i_pNodeCtl, uint32_t i_CnPin, uint8_t i_Data) {
        if (i_pNodeCtl != aioIob2Bi2xAc1) {
            return aioIob2Bi2xAC1_SetOutputData_orig(i_pNodeCtl, i_CnPin, i_Data);
        }

        if (i_CnPin == 0x1) {
            eamuse_coin_set_block(i_Data == 0xFF);
            return;
        }

        auto &lights = get_lights();
        if (i_CnPin == 0x11) {
            GameAPI::Lights::writeLight(RI_MGR, lights.at(Lights::IC_READER_R), i_Data / 255.0f);
        } else if (i_CnPin == 0x12) {
            GameAPI::Lights::writeLight(RI_MGR, lights.at(Lights::IC_READER_G), i_Data / 255.0f);
        } else if (i_CnPin == 0x13) {
            GameAPI::Lights::writeLight(RI_MGR, lights.at(Lights::IC_READER_B), i_Data / 255.0f);
        }
    }

    void __fastcall aioIob2Bi2xAC1_SetTapeLedDataPart(AIO_IOB2_BI2X_AC1 *i_pNodeCtl, uint32_t i_TapeLedCh,
                                                      uint32_t i_Offset, uint8_t *i_pData,
                                                      uint32_t i_cntTapeLed, bool i_bReverse) {
        if (i_pNodeCtl != aioIob2Bi2xAc1) {
            return aioIob2Bi2xAC1_SetTapeLedDataPart_orig(i_pNodeCtl, i_TapeLedCh, i_Offset, i_pData, i_cntTapeLed, i_bReverse);
        }

        // TODO implement tape led
        //  there are >200 lights in total, adding each one separately probably isn't the best idea...
    }

    void __fastcall aioIob2Bi2x_SetTapeLedDataGroup(AIO_IOB2_BI2X_AC1* i_pNodeCtl, uint32_t i_bfGroup) {
        if (i_pNodeCtl != aioIob2Bi2xAc1) {
            return aioIob2Bi2x_SetTapeLedDataGroup_orig(i_pNodeCtl, i_bfGroup);
        }
    }

    void __fastcall aioIob2Bi2x_SetTapeLedDataLimit(AIO_IOB2_BI2X_AC1* i_pNodeCtl, uint32_t i_Channel,
                                                    uint8_t i_Scale, uint8_t i_Limit) {
        if (i_pNodeCtl != aioIob2Bi2xAc1) {
            return aioIob2Bi2x_SetTapeLedDataLimit_orig(i_pNodeCtl, i_Channel, i_Scale, i_Limit);
        }
    }

    static AIO_SCI_COMM *__fastcall aioIob2Bi2x_OpenSciUsbCdc(uint32_t i_SerialNumber) {
        aioSciComm = new AIO_SCI_COMM;
        return aioSciComm;
    }

    static AIO_IOB2_BI2X_WRFIRM *__fastcall aioIob2Bi2x_CreateWriteFirmContext(
            uint32_t i_SerialNumber, uint32_t i_bfIob) {

        aioIob2Bi2xWrfirm = new AIO_IOB2_BI2X_WRFIRM;
        return aioIob2Bi2xWrfirm;
    }

    static void __fastcall aioIob2Bi2x_DestroyWriteFirmContext(AIO_IOB2_BI2X_WRFIRM *i_pWrFirm) {
        if (i_pWrFirm == aioIob2Bi2xWrfirm) {
            delete aioIob2Bi2xWrfirm;
            aioIob2Bi2xWrfirm = nullptr;
        } else {
            return aioIob2Bi2x_DestroyWriteFirmContext_orig(i_pWrFirm);
        }
    }

    static int32_t __fastcall aioIob2Bi2x_WriteFirmGetState(AIO_IOB2_BI2X_WRFIRM *i_pWrFirm) {
        if (i_pWrFirm == aioIob2Bi2xWrfirm) {
            return 8;
        } else {
            return aioIob2Bi2x_WriteFirmGetState_orig(i_pWrFirm);
        }
    }

    static bool __fastcall aioIob2Bi2x_WriteFirmIsCompleted(int32_t i_State) {
        if (aioIob2Bi2xWrfirm != nullptr) {
            return true;
        } else {
            return aioIob2Bi2x_WriteFirmIsCompleted_orig(i_State);
        }
    }

    static bool __fastcall aioIob2Bi2x_WriteFirmIsError(int32_t i_State) {
        if (aioIob2Bi2xWrfirm != nullptr) {
            return false;
        } else {
            return aioIob2Bi2x_WriteFirmIsError_orig(i_State);
        }
    }

    // libaio-iob.dll

    static AIO_NMGR_IOB2 *__fastcall aioNMgrIob2_Create(AIO_SCI_COMM *i_pSci, uint32_t i_bfMode) {
        if (i_pSci == aioSciComm) {
            aioNmgrIob2 = new AIO_NMGR_IOB2;
            return aioNmgrIob2;
        } else {
            return aioNMgrIob2_Create_orig(i_pSci, i_bfMode);
        }
    }

    static void __fastcall aioNMgrIob_BeginManage(AIO_NMGR_IOB2 *i_pNodeMgr) {
        if (i_pNodeMgr != aioNmgrIob2) {
            return aioNMgrIob_BeginManage_orig(i_pNodeMgr);
        }
    }

    // libaio.dll

    static void __fastcall aioSci_Destroy(AIO_SCI_COMM *i_pNodeMgr) {
        if (i_pNodeMgr == aioSciComm) {
            delete aioSciComm;
        } else {
            return aioSci_Destroy_orig(i_pNodeMgr);
        }
    }

    static void __fastcall aioNodeMgr_Destroy(AIO_NMGR_IOB2 *i_pNodeMgr) {
        if (i_pNodeMgr == aioNmgrIob2) {
            delete aioNmgrIob2;
            aioNmgrIob2 = nullptr;
        } else {
            return aioNodeMgr_Destroy_orig(i_pNodeMgr);
        }
    }

    static int32_t __fastcall aioNodeMgr_GetState(AIO_NMGR_IOB2 *i_pNodeMgr) {
        if (i_pNodeMgr == aioNmgrIob2) {
            return 1;
        } else {
            return aioNodeMgr_GetState_orig(i_pNodeMgr);
        }
    }

    static bool __fastcall aioNodeMgr_IsReady(AIO_NMGR_IOB2 *i_pNodeMgr, int32_t i_State) {
        if (i_pNodeMgr == aioNmgrIob2) {
            return true;
        } else {
            return aioNodeMgr_IsReady_orig(i_pNodeMgr, i_State);
        }
    }

    static bool __fastcall aioNodeMgr_IsError(AIO_NMGR_IOB2 *i_pNodeMgr, int32_t i_State) {
        if (i_pNodeMgr == aioNmgrIob2) {
            return false;
        } else {
            return aioNodeMgr_IsError_orig(i_pNodeMgr, i_State);
        }
    }

    static void __fastcall aioNodeCtl_Destroy(AIO_IOB2_BI2X_AC1 *i_pNodeCtl) {
        if (i_pNodeCtl == aioIob2Bi2xAc1) {
            delete aioIob2Bi2xAc1;
            aioIob2Bi2xAc1 = nullptr;
        } else {
            return aioNodeCtl_Destroy_orig(i_pNodeCtl);
        }
    }

    static int32_t __fastcall aioNodeCtl_GetState(AIO_IOB2_BI2X_AC1 *i_pNodeCtl) {
        if (i_pNodeCtl == aioIob2Bi2xAc1) {
            return 1;
        } else {
            return aioNodeCtl_GetState_orig(i_pNodeCtl);
        }
    }

    static bool __fastcall aioNodeCtl_IsReady(AIO_IOB2_BI2X_AC1 *i_pNodeCtl, int32_t i_State) {
        if (i_pNodeCtl == aioIob2Bi2xAc1) {
            return true;
        } else {
            return aioNodeCtl_IsReady_orig(i_pNodeCtl, i_State);
        }
    }

    static bool __fastcall aioNodeCtl_IsError(AIO_IOB2_BI2X_AC1 *i_pNodeCtl, int32_t i_State) {
        if (i_pNodeCtl == aioIob2Bi2xAc1) {
            return false;
        } else {
            return aioNodeCtl_IsError_orig(i_pNodeCtl, i_State);
        }
    }

    void bi2x_hook_init() {
        // avoid double init
        static bool initialized = false;
        if (initialized) {
            return;
        } else {
            initialized = true;
        }

        // announce
        log_info("bi2x_hook", "init");

        // libaio-iob2_video.dll
        const auto libaioIob2VideoDll = "libaio-iob2_video.dll";
        execexe::trampoline_try(libaioIob2VideoDll, "aioIob2Bi2xAC1_Create",
                                aioIob2Bi2xAC1_Create, &aioIob2Bi2xAC1_Create_orig);
        execexe::trampoline_try(libaioIob2VideoDll, "aioIob2Bi2xAC1_GetDeviceStatus",
                                aioIob2Bi2xAC1_GetDeviceStatus, &aioIob2Bi2xAC1_GetDeviceStatus_orig);
        execexe::trampoline_try(libaioIob2VideoDll, "aioIob2Bi2xAC1_SetWatchDogTimer",
                                aioIob2Bi2xAC1_SetWatchDogTimer, &aioIob2Bi2xAC1_SetWatchDogTimer_orig);
        execexe::trampoline_try(libaioIob2VideoDll, "aioIob2Bi2xAC1_AddCounter",
                                aioIob2Bi2xAC1_AddCounter, &aioIob2Bi2xAC1_AddCounter_orig);
        execexe::trampoline_try(libaioIob2VideoDll, "aioIob2Bi2xAC1_SetOutputData",
                                aioIob2Bi2xAC1_SetOutputData, &aioIob2Bi2xAC1_SetOutputData_orig);
        execexe::trampoline_try(libaioIob2VideoDll, "aioIob2Bi2xAC1_SetTapeLedDataPart",
                                aioIob2Bi2xAC1_SetTapeLedDataPart, &aioIob2Bi2xAC1_SetTapeLedDataPart_orig);
        execexe::trampoline_try(libaioIob2VideoDll, "aioIob2Bi2x_SetTapeLedDataGroup",
                                aioIob2Bi2x_SetTapeLedDataGroup, &aioIob2Bi2x_SetTapeLedDataGroup_orig);
        execexe::trampoline_try(libaioIob2VideoDll, "aioIob2Bi2x_SetTapeLedDataLimit",
                                aioIob2Bi2x_SetTapeLedDataLimit, &aioIob2Bi2x_SetTapeLedDataLimit_orig);
        execexe::trampoline_try(libaioIob2VideoDll, "aioIob2Bi2x_OpenSciUsbCdc",
                                aioIob2Bi2x_OpenSciUsbCdc, &aioIob2Bi2x_OpenSciUsbCdc_orig);
        execexe::trampoline_try(libaioIob2VideoDll, "aioIob2Bi2x_CreateWriteFirmContext",
                                aioIob2Bi2x_CreateWriteFirmContext, &aioIob2Bi2x_CreateWriteFirmContext_orig);
        execexe::trampoline_try(libaioIob2VideoDll, "aioIob2Bi2x_DestroyWriteFirmContext",
                                aioIob2Bi2x_DestroyWriteFirmContext, &aioIob2Bi2x_DestroyWriteFirmContext_orig);
        execexe::trampoline_try(libaioIob2VideoDll, "aioIob2Bi2x_WriteFirmGetState",
                                aioIob2Bi2x_WriteFirmGetState, &aioIob2Bi2x_WriteFirmGetState_orig);
        execexe::trampoline_try(libaioIob2VideoDll, "aioIob2Bi2x_WriteFirmIsCompleted",
                                aioIob2Bi2x_WriteFirmIsCompleted, &aioIob2Bi2x_WriteFirmIsCompleted_orig);
        execexe::trampoline_try(libaioIob2VideoDll, "aioIob2Bi2x_WriteFirmIsError",
                                aioIob2Bi2x_WriteFirmIsError, &aioIob2Bi2x_WriteFirmIsError_orig);

        // libaio-iob.dll
        const auto libaioIobDll = "libaio-iob.dll";
        execexe::trampoline_try(libaioIobDll, "aioNMgrIob2_Create",
                                aioNMgrIob2_Create, &aioNMgrIob2_Create_orig);
        execexe::trampoline_try(libaioIobDll, "aioNMgrIob_BeginManage",
                                aioNMgrIob_BeginManage, &aioNMgrIob_BeginManage_orig);

        // libaio.dll
        const auto libaioDll = "libaio.dll";
        execexe::trampoline_try(libaioDll, "aioSci_Destroy",
                                aioSci_Destroy, &aioSci_Destroy_orig);
        execexe::trampoline_try(libaioDll, "aioNodeMgr_Destroy",
                                aioNodeMgr_Destroy, &aioNodeMgr_Destroy_orig);
        execexe::trampoline_try(libaioDll, "aioNodeMgr_GetState",
                                aioNodeMgr_GetState, &aioNodeMgr_GetState_orig);
        execexe::trampoline_try(libaioDll, "aioNodeMgr_IsReady",
                                aioNodeMgr_IsReady, &aioNodeMgr_IsReady_orig);
        execexe::trampoline_try(libaioDll, "aioNodeMgr_IsError",
                                aioNodeMgr_IsError, &aioNodeMgr_IsError_orig);
        execexe::trampoline_try(libaioDll, "aioNodeCtl_Destroy",
                               aioNodeCtl_Destroy, &aioNodeCtl_Destroy_orig);
        execexe::trampoline_try(libaioDll, "aioNodeCtl_GetState",
                               aioNodeCtl_GetState, &aioNodeCtl_GetState_orig);
        execexe::trampoline_try(libaioDll, "aioNodeCtl_IsReady",
                               aioNodeCtl_IsReady, &aioNodeCtl_IsReady_orig);
        execexe::trampoline_try(libaioDll, "aioNodeCtl_IsError",
                               aioNodeCtl_IsError, &aioNodeCtl_IsError_orig);
    }

}
