import Ember from 'ember';
import { fieldIdentifierTypes } from 'wherehows-web/constants/datasets/compliance';

const { String: { htmlSafe } } = Ember;

/**
 * Defines a map of values for the compliance policy on a dataset
 * @type {object}
 */
const compliancePolicyStrings = {
  // TODO:  DSS-6122 Create and move to Error module
  complianceDataException: 'Unexpected discrepancy in compliance data',
  missingTypes: 'Looks like you may have forgotten to specify a `Field Format` for all ID fields?',
  successUpdating: 'Congrats! Your changes have been successfully saved!',
  failedUpdating: 'Oops! We are having trouble updating this dataset at the moment.',
  successUploading: 'Metadata successfully updated! Please "Save" when ready.',
  invalidPolicyData: 'Received policy in an unexpected format! Please check the provided attributes and try again.',
  helpText: {
    classification:
      'The default value is taken from go/dht and should be good enough in most cases. ' +
      'You can optionally override it if required by house security.'
  }
};

/**
 * List of identifier type keys without the none object value
 * @type {Array<string>}
 */
const fieldIdentifierTypeKeysBarNone: Array<string> = Object.keys(fieldIdentifierTypes).filter(k => k !== 'none');

/**
 * Keys for the field display options
 * @type {Array<string>}
 */
const fieldDisplayKeys: Array<string> = ['none', '_', ...fieldIdentifierTypeKeysBarNone];

/**
 * A list of field identifier types mapped to label, value options for select display
 * @type {Array<{value: string, label: string, isDisabled: boolean}>}
 */
const fieldIdentifierOptions: Array<{
  value: string;
  label: string;
  isDisabled: boolean;
}> = fieldDisplayKeys.map(fieldIdentifierType => {
  const divider = '──────────';
  const { value = fieldIdentifierType, displayAs: label = divider } = fieldIdentifierTypes[fieldIdentifierType] || {};

  // Adds a divider for a value of _
  // Visually this separates ID from none fieldIdentifierTypes
  return {
    value,
    label,
    isDisabled: fieldIdentifierType === '_'
  };
});

/**
 * Defines the html string for informing the user of hidden tracking fields
 * @type {Ember.String.htmlSafe}
 */
const hiddenTrackingFields = htmlSafe(
  '<p>Some fields in this dataset have been hidden from the table(s) below. ' +
    "These are tracking fields for which we've been able to predetermine the compliance classification.</p>" +
    '<p>For example: <code>header.memberId</code>, <code>requestHeader</code>. ' +
    'Hopefully, this saves you some scrolling!</p>'
);

/**
 * Defines the sequence of edit steps in the compliance policy component
 */
const complianceSteps = {
  0: {
    name: 'editCompliancePolicy'
  },
  1: {
    name: 'editPurgePolicy'
  },
  2: {
    name: 'editDatasetClassification'
  }
};

export { compliancePolicyStrings, fieldIdentifierOptions, complianceSteps, hiddenTrackingFields };