tapo 0.9.0

Unofficial Tapo API Client. Works with TP-Link Tapo smart devices. Tested with light bulbs (L510, L520, L530, L535, L610, L630), light strips (L900, L920, L930), plugs (P100, P105, P110, P110M, P115), power strips (P300, P304M, P306, P316M), hubs (H100), switches (S200B, S200D, S210) and sensors (KE100, T100, T110, T300, T310, T315).
Documentation 
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use serde::{Deserialize, Serialize};

use crate::error::{Error, TapoResponseError};

/// Implemented by all Tapo Responses.
pub(crate) trait TapoResponseExt {}

impl TapoResponseExt for serde_json::Value {}

#[derive(Debug, Serialize, Deserialize)]
pub(crate) struct TapoResponse<T: TapoResponseExt> {
    pub error_code: i64,
    pub result: Option<T>,
}

#[derive(Debug, Deserialize)]
pub(crate) struct TapoMultipleResponse<T: TapoResponseExt> {
    pub result: TapoMultipleResult<T>,
}

impl<T> TapoResponseExt for TapoMultipleResponse<T> where T: TapoResponseExt {}

#[derive(Debug, Deserialize)]
pub(crate) struct TapoMultipleResult<T: TapoResponseExt> {
    pub responses: Vec<TapoResponse<T>>,
}

pub(crate) fn validate_response(error_code: i64) -> Result<(), Error> {
    if error_code == 0 {
        return Ok(());
    }

    let kind = error_kind(error_code);

    let error = match kind {
        "LOGIN" => TapoResponseError::Unauthorized {
            kind,
            description:
                "Please verify that your email and password are correct—both are case-sensitive."
                    .to_string(),
        },
        "SESSION_TIMEOUT" | "SESSION_EXPIRED" => TapoResponseError::session_expired(kind),
        _ => TapoResponseError::DeviceError {
            code: error_code,
            kind,
        },
    };

    Err(Error::Tapo(error))
}

fn error_kind(code: i64) -> &'static str {
    match code {
        // Smart Devices
        -1002 => "UNKNOWN_METHOD",
        -1003 => "JSON_DECODE_FAIL",
        -1004 => "JSON_ENCODE_FAIL",
        -1008 => "PARAMS",
        -1010 => "PUBLIC_KEY",
        -1501 => "LOGIN",
        9999 => "SESSION_TIMEOUT",
        // SmartCam Devices
        -40106 => "UNSUPPORTED_METHOD",
        -40109 => "ONE_SECOND_REPEAT_REQUEST",
        -40203 => "BIND_SENSOR_EXISTS",
        -40210 => "PROTOCOL_FORMAT_ERROR",
        -40321 => "IP_CONFLICT",
        -40401 => "SESSION_EXPIRED",
        -40404 => "DEVICE_BLOCKED",
        -40405 => "DEVICE_FACTORY",
        -40406 => "OUT_OF_LIMIT",
        -40407 => "OTHER_ERROR",
        -40408 => "SYSTEM_BLOCKED",
        -40409 => "NONCE_EXPIRED",
        -40412 => "HOMEKIT_LOGIN_FAIL",
        -40413 => "INVALID_NONCE",
        -40414 => "NEED_LOGIN_BY_LOCAL_PASSWORD",
        -60506 => "LOCAL_ACCOUNT_OLD_PWD_ERROR",
        -69051 => "DIAGNOSE_TYPE_NOT_SUPPORT",
        -69052 => "DIAGNOSE_TASK_FULL",
        -69053 => "DIAGNOSE_TASK_BUSY",
        -69055 => "DIAGNOSE_INTERNAL_ERROR",
        -69056 => "DIAGNOSE_ID_NOT_FOUND",
        -69057 => "DIAGNOSE_TASK_NULL",
        -69060 => "CLOUD_LINK_DOWN",
        -69061 => "ONVIF_SET_WRONG_TIME",
        -69062 => "CLOUD_NTP_NO_RESPONSE",
        -69063 => "CLOUD_GET_WRONG_TIME",
        -69064 => "SNTP_SRV_NO_RESPONSE",
        -69065 => "SNTP_GET_WRONG_TIME",
        -69076 => "LINK_UNCONNECTED",
        -69077 => "WIFI_SIGNAL_WEAK",
        -69078 => "LOCAL_NETWORK_POOR",
        -69079 => "CLOUD_NETWORK_POOR",
        -69080 => "INTER_NETWORK_POOR",
        -69081 => "DNS_TIMEOUT",
        -69082 => "DNS_ERROR",
        -69083 => "PING_NO_RESPONSE",
        -69084 => "DHCP_MULTI_SERVER",
        -69085 => "DHCP_ERROR",
        -69094 => "STREAM_SESSION_CLOSE",
        -69095 => "STREAM_BITRATE_EXCEPTION",
        -69096 => "STREAM_FULL",
        -69097 => "STREAM_NO_INTERNET",
        -72101 => "HARDWIRED_NOT_FOUND",
        -80101 => "ENCRYPT_NOT_SUPPORT",
        -90000 => "FFS_NONE_PWD",
        -90001 => "TSS_NONE_PWD",
        40108 => "TIMEOUT_ERROR",
        _ => "UNKNOWN",
    }
}