// Copyright (C) 2019 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() {
  class RvReviewers extends Polymer.Element {
    static get is() { return 'rv-reviewers'; }

    static get properties() {
      return {
        pluginRestApi: Object,
        repoName: String,
        _canModifyConfig: {
          type: Boolean,
          computed: '_computeCanModifyConfig(_isOwner, _hasModifyCapability)',
        },
        _loading: {
          type: Boolean,
          value: true,
        },
        _isOwner: {
          type: Boolean,
          value: false,
        },
        _hasModifyCapability: {
          type: Boolean,
          value: false,
        },
      };
    }

    connectedCallback() {
      super.connectedCallback();
      this.pluginRestApi = this.plugin.restApi();
      this._setCanModifyConfig();
    }

    _handleCommandTap() {
      this.$.rvScreenOverlay.open();
    }

    _handleRvEditScreenClose() {
      this.$.rvScreenOverlay.close();
    }

    _setCanModifyConfig() {
      const promises = [];
      promises.push(this._getRepoAccess(this.repoName).then( access => {
        if (access && access[this.repoName] && access[this.repoName].is_owner) {
          this._isOwner = true;
        }
      }));
      promises.push(this._getCapabilities().then(capabilities => {
        if (capabilities['reviewers-modifyReviewersConfig']) {
          this._hasModifyCapability = true;
        }
      }));
      Promise.all(promises).then(() => {
        this._loading = false;
      });
    }

    _computeCanModifyConfig(isOwner, hasModifyCapability) {
      return isOwner || hasModifyCapability;
    }

    _getRepoAccess(repoName) {
      return this.pluginRestApi.get(
          '/access/?project=' + encodeURIComponent(repoName));
    }

    _getCapabilities() {
      return this.pluginRestApi.get('/accounts/self/capabilities');
    }
  }

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