#pragma once

#include "spi.h"
#include <stdint.h>

enum MFRC522RegEnum
{
    Reserved00 = 0x00,
    CommandReg = 0x01,
    CommIEnReg = 0x02,
    DivlEnReg = 0x03,
    CommIrqReg = 0x04,
    DivIrqReg = 0x05,
    ErrorReg = 0x06,
    Status1Reg = 0x07,
    Status2Reg = 0x08,
    FIFODataReg = 0x09,
    FIFOLevelReg = 0x0A,
    WaterLevelReg = 0x0B,
    ControlReg = 0x0C,
    BitFramingReg = 0x0D,
    CollReg = 0x0E,
    Reserved01 = 0x0F,
    Reserved10 = 0x10,
    ModeReg = 0x11,
    TxModeReg = 0x12,
    RxModeReg = 0x13,
    TxControlReg = 0x14,
    TxAutoReg = 0x15,
    TxSelReg = 0x16,
    RxSelReg = 0x17,
    RxThresholdReg = 0x18,
    DemodReg = 0x19,
    Reserved11 = 0x1A,
    Reserved12 = 0x1B,
    MifareReg = 0x1C,
    Reserved13 = 0x1D,
    Reserved14 = 0x1E,
    SerialSpeedReg = 0x1F,
    Reserved20 = 0x20,
    CRCResultRegM = 0x21,
    CRCResultRegL = 0x22,
    Reserved21 = 0x23,
    ModWidthReg = 0x24,
    Reserved22 = 0x25,
    RFCfgReg = 0x26,
    GsNReg = 0x27,
    CWGsPReg = 0x28,
    ModGsPReg = 0x29,
    TModeReg = 0x2A,
    TPrescalerReg = 0x2B,
    TReloadRegH = 0x2C,
    TReloadRegL = 0x2D,
    TCounterValueRegH = 0x2E,
    TCounterValueRegL = 0x2F,
    Reserved30 = 0x30,
    TestSel1Reg = 0x31,
    TestSel2Reg = 0x32,
    TestPinEnReg = 0x33,
    TestPinValueReg = 0x34,
    TestBusReg = 0x35,
    AutoTestReg = 0x36,
    VersionReg = 0x37,
    AnalogTestReg = 0x38,
    TestDAC1Reg = 0x39,
    TestDAC2Reg = 0x3A,
    TestADCReg = 0x3B,
    Reserved31 = 0x3C,
    Reserved32 = 0x3D,
    Reserved33 = 0x3E,
    Reserved34 = 0x3F
};

class MFRC522
{
  public:
    MFRC522(SPI *spi);
    ~MFRC522();
    void MFRC522_Reset();
    void Write_MFRC522(uint8_t, uint8_t);
    uint8_t Read_MFRC522(uint8_t);
    void SetBitMask(uint8_t, uint8_t);
    void ClearBitMask(uint8_t, uint8_t);
    void AntennaOn();
    void AntennaOff();
    int MFRC522_ToCard(uint8_t, uint8_t);
    int MFRC522_Request(uint8_t);
    int MFRC522_Anticoll(uint8_t (*)[4]);
    int CalulateCRC(uint8_t *);
    int MFRC522_SelectTag(uint8_t *);
    int MFRC522_Auth(uint8_t, unsigned int, uint8_t *, uint8_t *);
    int MFRC522_StopCrypto1();
    int MFRC522_Read(uint8_t, uint8_t (*)[4]);
    int MFRC522_Write(uint8_t, uint8_t *);
    int MFRC522_DumpClassic1K(uint8_t *, uint8_t *);
    void MFRC522_Init();

    static const int NRSTPD = 22;
    static const int MAX_LEN = 16;
    static const int PCD_IDLE = 0x00;
    static const int PCD_AUTHENT = 0x0E;
    static const int PCD_RECEIVE = 0x08;
    static const int PCD_TRANSMIT = 0x04;
    static const int PCD_TRANSCEIVE = 0x0C;
    static const int PCD_RESETPHASE = 0x0F;
    static const int PCD_CALCCRC = 0x03;
    static const int PICC_REQIDL = 0x26;
    static const int PICC_REQALL = 0x52;
    static const int PICC_ANTICOLL = 0x93;
    static const int PICC_SElECTTAG = 0x93;
    static const int PICC_AUTHENT1A = 0x60;
    static const int PICC_AUTHENT1B = 0x61;
    static const int PICC_READ = 0x30;
    static const int PICC_WRITE = 0xA0;
    static const int PICC_DECREMENT = 0xC0;
    static const int PICC_INCREMENT = 0xC1;
    static const int PICC_RESTORE = 0xC2;
    static const int PICC_TRANSFER = 0xB0;
    static const int PICC_HALT = 0x50;
    static const int MI_OK = 0;
    static const int MI_NOTAGERR = 1;
    static const int MI_ERR = 2;

  private:
    SPI *spi;
};