import axios, { AxiosInstance } from 'axios';
import Vue from 'vue';

class OVDashboardPlugin {
  private axios: AxiosInstance;

  public constructor() {
    // Full config:  https://github.com/axios/axios#request-config
    // axios.defaults.baseURL = process.env.baseURL || process.env.apiUrl || '';
    // axios.defaults.headers.common['Authorization'] = AUTH_TOKEN;
    // axios.defaults.headers.post['Content-Type'] = 'application/x-www-form-urlencoded';

    const config = {
      // baseURL: process.env.baseURL || process.env.apiUrl || ""
      // timeout: 60 * 1000, // Timeout
      // withCredentials: true, // Check cross-site Access-Control
    };

    this.axios = axios.create(config);
  }

  public install(vue: typeof Vue) {
    vue.prototype.$axios = this.axios;
    vue.prototype.$ovdashboard = this;
  }

  private get api_baseurl(): string {
    if (process.env.NODE_ENV === "production") {
      return "//" + window.location.host + "/api/v1";

    } else {
      if (process.env.NODE_ENV !== "development") {
        console.warn("Unexpected NODE_ENV value");
      }

      return "//" + window.location.hostname + ":8000/api/v1";
    }
  }

  public api_url(endpoint?: string): string {
    if (endpoint === undefined)
      return this.api_baseurl;

    else
      return this.api_baseurl + "/" + endpoint;
  }

  public fail(name: string): (reason: unknown) => void {
    return (reason: unknown) =>
      console.warn("Failed to query", name, "-", reason);
  }

  public api_query_simple(
    endpoint: string,
    on_success: (data: unknown) => void
  ): void {
    this.axios
      .get(this.api_url(endpoint))
      .then((response) => on_success(response.data))
      .catch(this.fail(endpoint));
  }

  public api_query_simple_string(
    endpoint: string,
    on_success: (data: string) => void
  ): void {
    this.api_query_simple(endpoint, (data) => {
      if (typeof data !== "string") return;

      on_success(data);
    });
  }

  public api_query_simple_list(
    endpoint: string,
    on_success: (data: string[]) => void
  ): void {
    this.api_query_simple(endpoint, (data) => {
      if (!Array.isArray(data)) return;
      if (!data.every((value) => typeof value === "string")) return;

      on_success(data);
    });
  }

  public api_query_simple_object(
    endpoint: string,
    on_success: (data: Record<string, unknown>) => void
  ): void {
    this.api_query_simple(endpoint, (data) => {
      if (typeof data !== "object") return;
      if (data === null) return;

      on_success(data as Record<string, unknown>);
    });
  }
}

export default new OVDashboardPlugin();