/**
  ******************************************************************************
  * @file	commands.c
  * @brief  command.c file, the command interpreter, a generic one
 ******************************************************************************
  * @author: Thomas Kuschel KW4NZ
  * created 2022-06-04
  *
 ******************************************************************************/
#include "cmsis_os.h"
#include <stdint.h>

#include "commands.h"

typedef struct command_ctx_s {
	osThreadId_t	thread_id;
	osMutexId_t		mutex;
	char			*last_cmd;
	size_t			last_cmd_size;
} command_ctx_t;


typedef enum {
	CMD_HIDDEN  = 0x01,		/*!< Not shown in help but listed with "help all" or with "?" */
	CMD_SECRET  = 0x02,		/*!< Not shown in help - hidden and secret commands */
	CMD_ADMIN   = 0x04,		/*!< Only an administrator or privileged person can use this command */
	CMD_NOT_IMPLEMENTED = 0x80	/*!< A command which is not implemented yet */
} cmd_flags_t;

#define CMD_LENGTH 16

typedef struct{
	const char name[CMD_LENGTH];		/*!< command name */
	const uint8_t significantlength;	/*!< length of command for the compare function */
	const uint8_t flag;					/*!< command flags, i.e. CMD_HIDDEN, CMD_SECRET, CMD_ADMIN, etc. */
	int(*func)(command_ctx_t *ctx, char *args);
} cmd_table_t;

static const cmd_table_t cmd_table[] = {
	{"altitude", 1, CMD_NOT_IMPLEMENTED, not_implemented },
	{"date", 1, CMD_NOT_IMPLEMENTED, not_implemented },
};

int not_implemented(command_ctx_t *ctx, char *args) {
	(void) *ctx;
	(void) *args;
	return 0;
}