#ifndef SOIL_MOISTURE_H
#define SOIL_MOISTURE_H

#define SENSOR_NAME_LEN 10

enum sm_cmd_code {
    SM_CMD_GET_SENSOR_COUNT = 1,
    SM_CMD_GET_VALUE = 2,
    SM_CMD_SET_WARNING_VALUE = 3,
    SM_CMD_GET_WARNING_VALUE = 4,
    SM_CMD_SET_SENSOR_NAME = 5,
    SM_CMD_GET_SENSOR_NAME = 6,
    SM_CMD_SET_UPDATE_INTERVAL = 7,
    SM_CMD_FAIL = 255,
};

struct sm_get_sensor_count_req {
} __attribute__((packed));

struct sm_get_sensor_count_res {
    uint8_t count;
} __attribute__((packed));

struct sm_get_value_req {
    uint8_t sensor;
} __attribute__((packed));

struct sm_get_value_res {
    uint16_t value;
} __attribute__((packed));

struct sm_set_warning_value_req {
    uint8_t sensor;
    uint16_t warning_value;
} __attribute__((packed));

struct sm_set_warning_value_res {
} __attribute__((packed));

struct sm_get_warning_value_req {
    uint8_t sensor;
} __attribute__((packed));

struct sm_get_warning_value_res {
    uint16_t warning_value;
} __attribute__((packed));

struct sm_set_sensor_name_req {
    uint8_t sensor;
    uint8_t length;
    uint8_t name[SENSOR_NAME_LEN];
} __attribute__((packed));

struct sm_set_sensor_name_res {
} __attribute__((packed));

struct sm_get_sensor_name_req {
    uint8_t sensor;
} __attribute__((packed));

struct sm_get_sensor_name_res {
    uint8_t length;
    uint8_t name[SENSOR_NAME_LEN];
} __attribute__((packed));

struct sm_set_update_interval_req {
    uint8_t sensor;
    uint8_t interval_in_seconds;
} __attribute__((packed));

struct sm_set_update_interval_res {
} __attribute__((packed));

struct sm_req {
    uint8_t code;
    union {
        struct sm_get_sensor_count_req get_sensor_count;
        struct sm_get_value_req get_value;
        struct sm_set_warning_value_req set_warning_value;
        struct sm_get_warning_value_req get_warning_value;
        struct sm_set_sensor_name_req set_sensor_name;
        struct sm_get_sensor_name_req get_sensor_name;
        struct sm_set_update_interval_req set_update_interval;
    } __attribute__((packed));
} __attribute__((packed));

// len + code
#define SM_RES_HEADER_SIZE 1

struct sm_res {
    // header
    uint8_t code;

    // body
    union {
        struct sm_get_sensor_count_res get_sensor_count;
        struct sm_get_value_res get_value;
        struct sm_set_warning_value_res set_warning_value;
        struct sm_get_warning_value_res get_warning_value;
        struct sm_set_sensor_name_res set_sensor_name;
        struct sm_get_sensor_name_res get_sensor_name;
        struct sm_set_update_interval_res set_update_interval;
    } __attribute__((packed));
} __attribute__((packed));

#ifndef SM_DEBUG
#define SM_DEBUG 1
#endif

#if SM_DEBUG == 1

void write_req(struct sm_req const &req);

void write_res(struct sm_res const &res);

#endif

#endif