#pragma once

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

#include "auto_ctrl_thresholds.h"
#include "esp_err.h"

#ifdef __cplusplus
extern "C" {
#endif

typedef enum {
    AUTO_ALERT_METRIC_SOIL_MOISTURE = 1,
    AUTO_ALERT_METRIC_LIGHT_INTENSITY = 2,
} auto_alert_metric_t;

typedef enum {
    AUTO_ALERT_STATE_NORMAL = 0,
    AUTO_ALERT_STATE_ALARM = 1,
} auto_alert_state_t;

typedef struct {
    auto_alert_metric_t metric;
    auto_alert_state_t state;
    float value;
    float threshold;
    int64_t timestamp_ms;
} auto_alert_event_t;

typedef void (*auto_alert_callback_t)(const auto_alert_event_t *event, void *user_ctx);

// Reset internal state at boot.
void auto_alerts_init(void);

// Register callback sink (e.g. MQTT publisher). Passing NULL clears callback.
esp_err_t auto_alerts_register_callback(auto_alert_callback_t callback, void *user_ctx);

// Evaluate current sensor values and emit edge-triggered alert events.
void auto_alerts_evaluate(bool soil_valid,
                          float soil_moisture_pct,
                          bool light_valid,
                          float light_lux,
                          const auto_ctrl_thresholds_t *thresholds);

#ifdef __cplusplus
}
#endif