/*****************************************************************************
 * Open MCT, Copyright (c) 2014-2023, United States Government
 * as represented by the Administrator of the National Aeronautics and Space
 * Administration. All rights reserved.
 *
 * Open MCT is 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.
 *
 * Open MCT includes source code licensed under additional open source
 * licenses. See the Open Source Licenses file (LICENSES.md) included with
 * this source code distribution or the Licensing information page available
 * at runtime from the About dialog for additional information.
 *****************************************************************************/

import AlphanumericFormat from './components/AlphanumericFormat.vue';

import Vue from 'vue';

class AlphanumericFormatView {
  constructor(openmct, domainObject, objectPath) {
    this.openmct = openmct;
    this.domainObject = domainObject;
    this.objectPath = objectPath;
    this.component = undefined;
  }

  show(element) {
    this.component = new Vue({
      el: element,
      name: 'AlphanumericFormat',
      components: {
        AlphanumericFormat
      },
      provide: {
        openmct: this.openmct,
        objectPath: this.objectPath,
        currentView: this
      },
      template: '<alphanumeric-format ref="alphanumericFormat"></alphanumeric-format>'
    });
  }

  getViewContext() {
    if (this.component) {
      return {};
    }

    return this.component.$refs.alphanumericFormat.getViewContext();
  }

  priority() {
    return 1;
  }

  destroy() {
    this.component.$destroy();
    this.component = undefined;
  }
}

export default function AlphanumericFormatViewProvider(openmct, options) {
  function isTelemetryObject(selectionPath) {
    let selectedObject = selectionPath[0].context.item;
    let parentObject = selectionPath[1].context.item;
    let selectedLayoutItem = selectionPath[0].context.layoutItem;

    return (
      parentObject &&
      parentObject.type === 'layout' &&
      selectedObject &&
      selectedLayoutItem &&
      selectedLayoutItem.type === 'telemetry-view' &&
      openmct.telemetry.isTelemetryObject(selectedObject) &&
      !options.showAsView.includes(selectedObject.type)
    );
  }

  return {
    key: 'alphanumeric-format',
    name: 'Format',
    canView: function (selection) {
      if (selection.length === 0 || selection[0].length === 1) {
        return false;
      }

      return selection.every(isTelemetryObject);
    },
    view: function (domainObject, objectPath) {
      return new AlphanumericFormatView(openmct, domainObject, objectPath);
    }
  };
}