#ifndef SYSLOG_H
#define SYSLOG_H 

// DEBUG LED
#ifndef LED_INVERTED
#define LED_INVERTED 0 // define as 1 if LED is active low (on)
#endif

// -----------------------------------------------------------------------------
// DEBUG
// -----------------------------------------------------------------------------

#ifdef CONSOLE_MAX_BAUD
#define SERIAL_BAUD CONSOLE_MAX_BAUD
#else
#define SERIAL_BAUD 115200 // Serial debug baud rate
#endif

#define MESHTASTIC_LOG_LEVEL_DEBUG "DEBUG"
#define MESHTASTIC_LOG_LEVEL_INFO  "INFO "
#define MESHTASTIC_LOG_LEVEL_WARN  "WARN "
#define MESHTASTIC_LOG_LEVEL_ERROR "ERROR"
#define MESHTASTIC_LOG_LEVEL_CRIT  "CRIT "
#define MESHTASTIC_LOG_LEVEL_TRACE "TRACE"

#include "SerialConsole.h"

#define DEBUG_PORT (*console) // Serial debug port

#ifdef USE_SEGGER
#define LOG_DEBUG(...) SEGGER_RTT_printf(0, __VA_ARGS__)
#define LOG_INFO(...) SEGGER_RTT_printf(0, __VA_ARGS__)
#define LOG_WARN(...) SEGGER_RTT_printf(0, __VA_ARGS__)
#define LOG_ERROR(...) SEGGER_RTT_printf(0, __VA_ARGS__)
#define LOG_CRIT(...) SEGGER_RTT_printf(0, __VA_ARGS__)
#define LOG_TRACE(...) SEGGER_RTT_printf(0, __VA_ARGS__)
#else
#ifdef DEBUG_PORT
#define LOG_DEBUG(...) DEBUG_PORT.log(MESHTASTIC_LOG_LEVEL_DEBUG, __VA_ARGS__)
#define LOG_INFO(...) DEBUG_PORT.log(MESHTASTIC_LOG_LEVEL_INFO, __VA_ARGS__)
#define LOG_WARN(...) DEBUG_PORT.log(MESHTASTIC_LOG_LEVEL_WARN, __VA_ARGS__)
#define LOG_ERROR(...) DEBUG_PORT.log(MESHTASTIC_LOG_LEVEL_ERROR, __VA_ARGS__)
#define LOG_CRIT(...) DEBUG_PORT.log(MESHTASTIC_LOG_LEVEL_CRIT, __VA_ARGS__)
#define LOG_TRACE(...) DEBUG_PORT.log(MESHTASTIC_LOG_LEVEL_TRACE, __VA_ARGS__)
#else
#define LOG_DEBUG(...)
#define LOG_INFO(...)
#define LOG_WARN(...)
#define LOG_ERROR(...)
#define LOG_CRIT(...)
#define LOG_TRACE(...)
#endif
#endif

#define SYSLOG_NILVALUE "-"

#define SYSLOG_CRIT  2 /* critical conditions */
#define SYSLOG_ERR   3 /* error conditions */
#define SYSLOG_WARN  4 /* warning conditions */
#define SYSLOG_INFO  6 /* informational */
#define SYSLOG_DEBUG 7 /* debug-level messages */
// trace does not go out to syslog (yet?)

#define LOG_PRIMASK 0x07  /* mask to extract priority part (internal) */
        /* extract priority */
#define LOG_PRI(p)  ((p) & LOG_PRIMASK)
#define LOG_MAKEPRI(fac, pri) (((fac) << 3) | (pri))

/* facility codes */
#define LOGLEVEL_KERN  (0<<3)  /* kernel messages */
#define LOGLEVEL_USER  (1<<3)  /* random user-level messages */
#define LOGLEVEL_MAIL  (2<<3)  /* mail system */
#define LOGLEVEL_DAEMON  (3<<3)  /* system daemons */
#define LOGLEVEL_AUTH  (4<<3)  /* security/authorization messages */
#define LOGLEVEL_SYSLOG  (5<<3)  /* messages generated internally by syslogd */
#define LOGLEVEL_LPR   (6<<3)  /* line printer subsystem */
#define LOGLEVEL_NEWS  (7<<3)  /* network news subsystem */
#define LOGLEVEL_UUCP  (8<<3)  /* UUCP subsystem */
#define LOGLEVEL_CRON  (9<<3)  /* clock daemon */
#define LOGLEVEL_AUTHPRIV  (10<<3) /* security/authorization messages (private) */
#define LOGLEVEL_FTP   (11<<3) /* ftp daemon */

/* other codes through 15 reserved for system use */
#define LOGLEVEL_LOCAL0  (16<<3) /* reserved for local use */
#define LOGLEVEL_LOCAL1  (17<<3) /* reserved for local use */
#define LOGLEVEL_LOCAL2  (18<<3) /* reserved for local use */
#define LOGLEVEL_LOCAL3  (19<<3) /* reserved for local use */
#define LOGLEVEL_LOCAL4  (20<<3) /* reserved for local use */
#define LOGLEVEL_LOCAL5  (21<<3) /* reserved for local use */
#define LOGLEVEL_LOCAL6  (22<<3) /* reserved for local use */
#define LOGLEVEL_LOCAL7  (23<<3) /* reserved for local use */

#define LOG_NFACILITIES 24  /* current number of facilities */
#define LOG_FACMASK 0x03f8  /* mask to extract facility part */
                            /* facility of pri */
#define LOG_FAC(p)  (((p) & LOG_FACMASK) >> 3)

#define LOG_MASK(pri)  (1 << (pri))	/* mask for one priority */
#define LOG_UPTO(pri)  ((1 << ((pri)+1)) - 1)	/* all priorities through pri */

// -----------------------------------------------------------------------------
// AXP192 (Rev1-specific options)
// -----------------------------------------------------------------------------

#define GPS_POWER_CTRL_CH 3
#define LORA_POWER_CTRL_CH 2

// Default Bluetooth PIN
#define defaultBLEPin 123456

class Syslog {
  private:
    UDP* _client;
    IPAddress _ip;
    const char* _server;
    uint16_t _port;
    const char* _deviceHostname;
    const char* _appName;
    uint16_t _priDefault;
    uint8_t _priMask = 0xff;
    bool _enabled = false;

    bool _sendLog(uint16_t pri, const char *message);
    bool _sendLog(uint16_t pri, const __FlashStringHelper *message);

  public:
    Syslog(UDP &client);

    Syslog &server(const char* server, uint16_t port);
    Syslog &server(IPAddress ip, uint16_t port);
    Syslog &deviceHostname(const char* deviceHostname);
    Syslog &appName(const char* appName);
    Syslog &defaultPriority(uint16_t pri = LOGLEVEL_KERN);
    Syslog &logMask(uint8_t priMask);

    void enable();
    void disable();
    bool isEnabled();

    bool log(uint16_t pri, const __FlashStringHelper *message);
    bool log(uint16_t pri, const String &message);
    bool log(uint16_t pri, const char *message);

    bool vlogf(uint16_t pri, const char *fmt, va_list args) __attribute__((format(printf, 3, 0)));
    bool vlogf_P(uint16_t pri, PGM_P fmt_P, va_list args) __attribute__((format(printf, 3, 0)));
    
    bool logf(uint16_t pri, const char *fmt, ...) __attribute__((format(printf, 3, 4)));

    bool logf_P(uint16_t pri, PGM_P fmt_P, ...) __attribute__((format(printf, 3, 4)));
};

#endif