/*
 * File:   defines.h
 * Author: thebears
 *
 * Created on December 18, 2024, 11:41 AM
 */

#ifndef DEFINES_H
#define DEFINES_H

#ifdef __cplusplus
extern "C" {
#endif

#include "stdint.h"

#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#ifndef F_CPU
#define F_CPU 8000000UL // 8 MHz clock speed; prefer -DF_CPU=8000000UL in the build flags
#endif
#define BAUD 38400
#define F_SCL 200000UL

// Build switches: DO_UART compiles in serial logging, ITERATING is a bench
// mode that reports every minute instead of every 15.
#define DO_UART true
#define ITERATING false

// Serial log line, compiled out entirely when DO_UART is off. Takes a string
// LITERAL only: PSTR keeps the text in flash instead of copying it into RAM at
// boot. The caller's file must include uart.h (directly or via another driver
// header). Use uart_sendString() for runtime strings.
#if DO_UART
#define LOG(msg) uart_sendString_P(PSTR(msg))
#else
#define LOG(msg) ((void)0)
#endif

#define MIN(a, b) (((a) < (b)) ? (a) : (b))
#define MAX(a, b) (((a) > (b)) ? (a) : (b))

// Shared scratch buffers (RAM is tight: 2 KB total). DATA_BUFFER_65 holds one
// EEPROM page plus a terminator; DATA_BUFFER_7 holds one RTC time readout.
extern unsigned char DATA_BUFFER_65[65];
extern uint8_t DATA_BUFFER_7[7];

typedef struct {
    uint8_t payload_len;
    char payload[48];
    uint8_t success;
} ndef_message;
extern ndef_message NDEF_MSG;

typedef struct {
    char str[21]; // Pointer to the modified string
    size_t length; // Length of the modified string
} trimmed_string_struct;
extern trimmed_string_struct TRIMMED_STRING;

typedef struct {
    uint8_t name_len;
    char name_str[16];
    char diameter_str[16];
    uint8_t diameter_len;
    uint8_t hashed;
} identifier_results;
extern identifier_results IDENTIFIER;

typedef struct {
    uint8_t len;
    uint8_t to;
    uint8_t from;
    uint8_t dtype;
    uint8_t flags;
    unsigned char msg[60];
} tx_rx_data_struct;
extern tx_rx_data_struct TX_DATA;
extern tx_rx_data_struct RX_DATA;

typedef struct {
    uint8_t Second; // 0-59
    uint8_t Minute; // 0-59
    uint8_t Hour; // 0-23
    uint8_t Wday; // Day of week, 1-7 (1 = Sunday)
    uint8_t Day; // 1-31
    uint8_t Month; // 1-12
    uint8_t Year; // Full year (e.g., 2024)
} time_struct;
extern time_struct TIME;

typedef enum {
    RTC_RFM69_SET_TIME_SUCCESS = 1,
    RTC_RFM69_SET_TIME_FAILED = 2,
} RTC_RFM69_STATUS;

typedef enum // Goes into ID
{ DATA_SEND_SUCCESS = 1,
  DATA_NOT_SENT = 2 } DATA_SEND_STATUS;

typedef enum // Goes into ID
{ MSG_TYPE_STRING = 1,
  MSG_TYPE_BINARY = 2 } MSG_DATA_TYPE;

typedef enum // Goes into flags
{ MSG_REQ_CTIME = 1,
  MSG_RESP_CTIME = 2,
  MSG_SEND_COUNTS = 31,
  MSG_RECV_COUNTS_SUCCESS = 32,
  MSG_RECV_COUNTS_FAIL = 33,
  MSG_RESENT_COUNTS = 34 } MSG_REQUEST_TYPE_FLAG;

#ifdef __cplusplus
}
#endif

#endif /* DEFINES_H */