/**
 * @author Rémi Heredero
 * @version 1.0.0
 * @date August 2023
 * @file watchdog.h
 */
#ifndef WATCHDOG_H
#define WATCHDOG_H

#include "../xf/xf.h"

typedef enum {
    STWD_INIT,
    STWD_ALIVE
} WATCHDOG_STATES;

typedef enum {
    evWDinit = 20,
    evWDpoll
} WATCHDOG_EVENTS;

typedef void (*WATCHDOG_CALLBACK_FUNCTION)(void*);
typedef struct {
    WATCHDOG_CALLBACK_FUNCTION f; // function
    void* p; // param(s)
} WATCHDOG_CALLBACK;

typedef struct {
    WATCHDOG_STATES state;
    uint8_t time;
    WATCHDOG_CALLBACK alive;
} WATCHDOG;

/**
 * Initialize the WATCHDOG
 * @param me the WATCHDOG itself
 */
void WATCHDOG_init(WATCHDOG* me);

/**
 * Start the WATCHDOG state machine
 * @param me the WATCHDOG itself
 */
void WATCHDOG_startBehaviour(WATCHDOG* me);

/**
 * Process the event
 * @param ev the event to process
 * @return true if the event is processed
 */
bool WATCHDOG_processEvent(Event* ev);

/*************
 * Callbacks *
 *************/

/**
 * Set the callback function to call when the WATCHDOG is entering state alive
 * @param me the WATCHDOG itself
 * @param f the function to call
 * @param p the param(s) to pass to the function
 */
void WATCHDOG_onAlive(WATCHDOG* me, WATCHDOG_CALLBACK_FUNCTION f, void* p);

/************
 * EMITTERS *
 ************/

/**
 * Emit the poll event
 * @param me the WATCHDOG itself
 * @param t time to wait in ms before triggering event
 * @param data data to put on the event for XF
 */
void WATCHDOG_emitPoll(WATCHDOG* me, uint16_t t, int64_t data);

/***********
 * SETTERS *
 ***********/

void WATCHDOG_setTime(WATCHDOG* me, uint8_t v);

#endif