// components/loadbalancer/include/loadbalancer_events.h
#pragma once

#include "esp_event.h"

#include <stdbool.h>
#include <stdint.h>

#ifdef __cplusplus
extern "C" {
#endif

ESP_EVENT_DECLARE_BASE(LOADBALANCER_EVENTS);

typedef enum
{
    LOADBALANCER_EVENT_INIT = 0,
    LOADBALANCER_EVENT_STATE_CHANGED,

    /*
     * Current limit events.
     *
     * MASTER and SLAVE use different payloads intentionally.
     */
    LOADBALANCER_EVENT_MASTER_CURRENT_LIMIT,
    LOADBALANCER_EVENT_SLAVE_CURRENT_LIMIT,

    /*
     * Status received from slave connectors.
     */
    LOADBALANCER_EVENT_SLAVE_STATUS
} loadbalancer_event_id_t;

typedef struct
{
    bool enabled;
    int64_t timestamp_us;
} loadbalancer_state_event_t;

/*
 * MASTER: no slave_id.
 */
typedef struct
{
    uint16_t max_current;
    int64_t timestamp_us;
} loadbalancer_master_limit_event_t;

/*
 * SLAVE: includes slave_id.
 */
typedef struct
{
    uint8_t slave_id;
    uint16_t max_current;
    int64_t timestamp_us;
} loadbalancer_slave_limit_event_t;

typedef struct
{
    uint8_t slave_id;
    bool charging;
    float hw_max_current;
    float runtime_current;
    int64_t timestamp_us;
} loadbalancer_slave_status_event_t;

#ifdef __cplusplus
}
#endif