#pragma once

#include "esp_err.h"
#include "driver/gpio.h"

#ifdef __cplusplus
extern "C" {
#endif

typedef enum {
    RELAY_CTRL_ID_1 = 0,
    RELAY_CTRL_ID_2,
    RELAY_CTRL_ID_3,
    RELAY_CTRL_ID_4,
    RELAY_CTRL_ID_MAX
} relay_ctrl_id_t;

/**
 * @brief 继电器配置结构体
 */
typedef struct {
    gpio_num_t pin;      // GPIO 引脚
    bool active_high;    // 该继电器是否为高电平触发
} relay_config_t;

/**
 * @brief 初始化继电器控制模块
 * 
 * @param config 包含 4 个继电器详细配置的数组
 * @return esp_err_t 
 */
esp_err_t relay_ctrl_init(const relay_config_t config[RELAY_CTRL_ID_MAX]);

esp_err_t relay_ctrl_set(relay_ctrl_id_t relay_id, bool on);
esp_err_t relay_ctrl_toggle(relay_ctrl_id_t relay_id);
esp_err_t relay_ctrl_get(relay_ctrl_id_t relay_id, bool *on_out);
esp_err_t relay_ctrl_set_all(bool relay1_on, bool relay2_on, bool relay3_on, bool relay4_on);

#ifdef __cplusplus
}
#endif