wallbox-client.ts

import axios from "axios";
import axiosRetry from "axios-retry";
import { statusById } from "./wallbox/chargerStatuses";


class Wallbox {

  private _token?: string;
  private _client = axios.create({
    baseURL: "https://api.wall-box.com",
    headers: {
      'Accept': "application/json",
      "Content-Type": "application/json;charset=UTF-8"
    },
  });

  constructor(private _username: string, private _password: string) {
    axiosRetry(this._client, {
      retries: 3,
    });
  }

  async status(chargerId: number) {
    if (!this._token) {
      await this.login();
    }

    console.log("Get Status");
    const { data } = await this._client.get(`/v2/charger/${chargerId}`);
    console.log("Status:", statusById(data.data.chargerData.status).code);
    return data.data;
  }

  async lock(chargerId: number) {
    if (!this._token) {
      await this.login();
    }

    console.log("Lock");
    const unlock = await this._client.put(`/v2/charger/${chargerId}`, { locked: 1 });
    return unlock.data.data.chargerData.locked === 1
  }

  async unlock(chargerId: number) {
    if (!this._token) {
      await this.login();
    }

    console.log("Unlock");
    const unlock = await this._client.put(`/v2/charger/${chargerId}`, { locked: 0 });
    return unlock.data.data.chargerData.locked === 0

  }

  async getDefaultCharger() {
    if (!this._token) {
      await this.login();
    }

    console.log("Get group...");
    const groups = await this._client.get(`/v3/chargers/groups`);
    const groupId = groups.data.result.groups[0].id;
    console.log("Group ID", groupId);
    const chargers = groups.data.result.groups[0].chargers;
    const charger = chargers.filter((c: any): boolean => c.name === 'Home')[0];
    if (!charger) {
      console.warn("Charger not found");
      return process.exit(2);
    }

    console.log("Charger ID:", charger.id);

    return charger;

  }

  async login(): Promise<void> {
    console.log("Wallbox login...");
    const login = await this._client.get("/auth/token/user", {
      auth: {
        username: this._username,
        password: this._password
      },
    });

    const { user_id, jwt, ttl, error, status } = login.data;
    
    if (login.status !== 200) {
      throw new Error(`Login failed, status: ${login.status}`);
    }

    this._token = jwt;
    
    if (!this._client.defaults.headers.common) {
      this._client.defaults.headers.common = {};
    }
    this._client.defaults.headers.common.Authorization = `Bearer ${this._token}`;
  }

}

export const wallbox = new Wallbox(process.env.WALLBOX_USERNAME!, process.env.WALLBOX_PASSWORD!);