// Copyright 2017 The Kubernetes Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

import {Injectable} from '@angular/core';
import {LocalSettings} from '@api/backendapi';
import {CookieService} from 'ngx-cookie-service';

import {ThemeService} from './theme';

@Injectable()
export class LocalSettingsService {
  private readonly cookieName_ = 'localSettings';
  private settings_: LocalSettings = {
    isThemeDark: false,
  };

  constructor(private readonly theme_: ThemeService, private readonly cookies_: CookieService) {}

  init(): void {
    const cookieValue = this.cookies_.get(this.cookieName_);
    if (cookieValue && cookieValue.length > 0) {
      this.settings_ = JSON.parse(cookieValue);
    }
  }

  get(): LocalSettings {
    return this.settings_;
  }

  handleThemeChange(isThemeDark: boolean): void {
    this.settings_.isThemeDark = isThemeDark;
    this.updateCookie_();
    this.theme_.switchTheme(!this.settings_.isThemeDark);
  }

  updateCookie_(): void {
    this.cookies_.set(
      this.cookieName_,
      JSON.stringify(this.settings_),
      null,
      null,
      null,
      false,
      'Strict',
    );
  }
}
