#if !defined(_POCSAG_TRANSMITTER_H)
#define _POCSAG_TRANSMITTER_H

#include <RadioLib.h>

#define POCSAG_MAX_ENCODING_BUFFER_SIZE 70 // 70 QBYTEs should be enough for max 80char Messages
#define POCSAG_MAX_BUFFER_SIZE 2000        // 2000 QBYTEs
#define POCSAG_PIN_DIO1 12                 // DCLK
#define POCSAG_PIN_DIO2 14                 // DATA

// #define POCSAG_DEBUG
#define POCSAG_DEBUG_PORT Serial
#if defined(POCSAG_DEBUG)
#define POCSAG_DEBUG_PRINT(...)           \
  {                                       \
    POCSAG_DEBUG_PORT.print(__VA_ARGS__); \
  }
#define POCSAG_DEBUG_PRINTLN(...)           \
  {                                         \
    POCSAG_DEBUG_PORT.println(__VA_ARGS__); \
  }
#else
#define POCSAG_DEBUG_PRINT(...) \
  {                             \
  }
#define POCSAG_DEBUG_PRINTLN(...) \
  {                               \
  }
#endif

/*!
* POCSAG Transmitter
- catSIXe, encoder is partly transformed from RPITX, with my old contributions(batch-encoding etc.) from the old github
*/

static SX1278 *_currentRadio;                                    // we need to put this pointer static for the ISR
static uint32_t transmitterData[POCSAG_MAX_BUFFER_SIZE];         // complete transmission
static uint32_t encodingBuffer[POCSAG_MAX_ENCODING_BUFFER_SIZE]; // small static allocated memory, for storing a encoded chunk

static uint16_t transmitterLength;
static uint16_t transmitterOffset;
static uint8_t transmitterBitOffset;
static bool transmitterState;
static void IRAM_ATTR onTransmitterClock();

class POCSAGTransmitter
{
public:
  SX1278 *_radio;
  explicit POCSAGTransmitter();
  void begin(SX1278 *radio);
  void clearQueue();
  int8_t getQueueCount();
  bool isActive();
  void queuePage(uint32_t ric, uint8_t functionBit, char *text);
  bool transmitBatch();
  void test();

  uint16_t getTransmitPos();
  uint16_t getTransmitLength();
  uint32_t getTransmitWord();
  uint8_t getBitOffset();
private:
  int8_t queueCount = 0;
};

#endif