// -- copyright
// OpenProject is a project management system.
// Copyright (C) 2012-2015 the OpenProject Foundation (OPF)
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License version 3.
//
// OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
// Copyright (C) 2006-2013 Jean-Philippe Lang
// Copyright (C) 2010-2013 the ChiliProject Team
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
//
// See doc/COPYRIGHT.rdoc for more details.
// ++

angular
  .module('openproject.inplace-edit')
  .factory('inplaceEdit', inplaceEdit);

function inplaceEdit(WorkPackageFieldService) {
  function Field(resource, name) {
    this.resource = resource;
    this.name = name;
    this.value = undefined;

    if (_.isUndefined(this.value)) {
      this.updateValue();
    }
  }

  Object.defineProperties(Field.prototype, {
    text: {
      get: function() {
        return this.format();
      }
    },
    
    updateValue: {
      value: function () {
        this.value = _.cloneDeep(this.getValue());
      }
    },


    // Looks up placeholders in the localization files (e.g. js-en.yml).
    // The path is
    //  js:
    //    [name of the resource in snake case and pluralized]:
    //      placeholders:
    //        [name of the field]:
    //
    // Falls back to default if no specific placeholder is defined.
    placeholder: {
      get: function() {

        if (this.resource.props._type === undefined) {
          return I18n.t('js.placeholders.default');
        }

        // lodash does snakeCase in version 3.10
        // This also pluralizes the easy way by appending 's' to the end
        // which is error prone
        var resourceName = this.resource.props._type
            .replace(/([A-Z])/g, function($1){return '_' + $1.toLowerCase();})
            .replace(/^_/, '') + 's';

        var scope = 'js.' + resourceName + '.placeholders.' + this.name;

        var translation = I18n.t(scope);
        if (I18n.missingTranslation(scope) === translation) {
          return I18n.t('js.' + resourceName + '.placeholders.default');
        }
        else {
          return translation;
        }
      }
    }
  });

  _.forOwn(WorkPackageFieldService, function (property, name) {
    Field.prototype[name] = _.isFunction(property) && function () {
      return property(this.resource, this.name);
    } || property;
  });

  return {
    Field: Field
  }
}