/**
 * @license
 * Copyright (C) 2017 The Android Open Source Project
 *
 * 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.
 */
(function() {
  'use strict';

  const DETAIL_TYPES = {
    branches: 'branches',
    tags: 'tags',
  };

  /**
    * @appliesMixin Gerrit.BaseUrlMixin
    * @appliesMixin Gerrit.URLEncodingMixin
    */
  class GrCreatePointerDialog extends Polymer.mixinBehaviors( [
    Gerrit.BaseUrlBehavior,
    Gerrit.URLEncodingBehavior,
  ], Polymer.GestureEventListeners(
      Polymer.LegacyElementMixin(
          Polymer.Element))) {
    static get is() { return 'gr-create-pointer-dialog'; }

    static get properties() {
      return {
        detailType: String,
        repoName: String,
        hasNewItemName: {
          type: Boolean,
          notify: true,
          value: false,
        },
        itemDetail: String,
        _itemName: String,
        _itemRevision: String,
        _itemAnnotation: String,
      };
    }

    static get observers() {
      return [
        '_updateItemName(_itemName)',
      ];
    }

    _updateItemName(name) {
      this.hasNewItemName = !!name;
    }

    _computeItemUrl(project) {
      if (this.itemDetail === DETAIL_TYPES.branches) {
        return this.getBaseUrl() + '/admin/repos/' +
            this.encodeURL(this.repoName, true) + ',branches';
      } else if (this.itemDetail === DETAIL_TYPES.tags) {
        return this.getBaseUrl() + '/admin/repos/' +
            this.encodeURL(this.repoName, true) + ',tags';
      }
    }

    handleCreateItem() {
      const USE_HEAD = this._itemRevision ? this._itemRevision : 'HEAD';
      if (this.itemDetail === DETAIL_TYPES.branches) {
        return this.$.restAPI.createRepoBranch(this.repoName,
            this._itemName, {revision: USE_HEAD})
            .then(itemRegistered => {
              if (itemRegistered.status === 201) {
                page.show(this._computeItemUrl(this.itemDetail));
              }
            });
      } else if (this.itemDetail === DETAIL_TYPES.tags) {
        return this.$.restAPI.createRepoTag(this.repoName,
            this._itemName,
            {revision: USE_HEAD, message: this._itemAnnotation || null})
            .then(itemRegistered => {
              if (itemRegistered.status === 201) {
                page.show(this._computeItemUrl(this.itemDetail));
              }
            });
      }
    }

    _computeHideItemClass(type) {
      return type === DETAIL_TYPES.branches ? 'hideItem' : '';
    }
  }

  customElements.define(GrCreatePointerDialog.is, GrCreatePointerDialog);
})();