import { ApplicationRef, Injectable } from "@angular/core";
import PouchDB from "pouchdb";
import { Settings } from "../models/settings.model";

@Injectable({
  providedIn: "root",
})
export class PouchdbService {
  private db;

  constructor(private appRef: ApplicationRef) {}

  initPouchDb() {
      this.db = new PouchDB("counting.db");
  }

  getSettings() {
    console.log("pouchGetSettingsCalled");
    return new Promise<Settings>((resolve, reject) => {
      this.db
        .get("settings")
        .then((settings) => {
          console.log(settings);
          let retrievedSettings = new Settings(settings._id, settings.vibration, settings.lastMac);
          resolve(retrievedSettings);
        })
        .catch((error) => {
          console.log(error);
          if (error.name === "not_found" && error.reason === "missing") {
            let defSettings = new Settings("settings", true, "");
            this.db.put(defSettings);
            console.log("Default Settings written to PouchDb");
            resolve(defSettings);
          } else {
            console.error(error);
          }
        });
    });
  }

  saveSettings(lastMac: string, audio?: boolean, vibration?: boolean) {
    this.db
      .get("settings")
      .then((settings) => {
        settings.audio =
          audio === null || audio === undefined ? settings.audio : audio;
        settings.vibration =
          vibration === null || vibration === undefined
            ? settings.vibration
            : vibration;
        settings.lastMac = lastMac;
        return this.db.put(settings);
      })
      .then(() => {
        console.log("settings saved");
      });
  }
}