// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

import * as i18n from '../../core/i18n/i18n.js';
import type * as SDK from '../../core/sdk/sdk.js';
import * as Protocol from '../../generated/protocol.js';

import {Issue, IssueCategory, IssueKind} from './Issue.js';
import type {MarkdownIssueDescription} from './MarkdownIssueDescription.js';

const UIStrings = {
  /**
   * @description Title for a learn more link in Heavy Ads issue description
   */
  handlingHeavyAdInterventions: 'Handling Heavy Ad Interventions',
} as const;
const str_ = i18n.i18n.registerUIStrings('models/issues_manager/HeavyAdIssue.ts', UIStrings);
const i18nString = i18n.i18n.getLocalizedString.bind(undefined, str_);

export class HeavyAdIssue extends Issue<Protocol.Audits.HeavyAdIssueDetails> {
  constructor(issueDetails: Protocol.Audits.HeavyAdIssueDetails, issuesModel: SDK.IssuesModel.IssuesModel|null) {
    const umaCode = [Protocol.Audits.InspectorIssueCode.HeavyAdIssue, issueDetails.reason].join('::');
    super({code: Protocol.Audits.InspectorIssueCode.HeavyAdIssue, umaCode}, issueDetails, issuesModel);
  }

  primaryKey(): string {
    return `${Protocol.Audits.InspectorIssueCode.HeavyAdIssue}-${JSON.stringify(this.details())}`;
  }

  getDescription(): MarkdownIssueDescription {
    return {
      file: 'heavyAd.md',
      links: [
        {
          link: 'https://developers.google.com/web/updates/2020/05/heavy-ad-interventions',
          linkTitle: i18nString(UIStrings.handlingHeavyAdInterventions),
        },
      ],
    };
  }

  getCategory(): IssueCategory {
    return IssueCategory.HEAVY_AD;
  }

  getKind(): IssueKind {
    switch (this.details().resolution) {
      case Protocol.Audits.HeavyAdResolutionStatus.HeavyAdBlocked:
        return IssueKind.PAGE_ERROR;
      case Protocol.Audits.HeavyAdResolutionStatus.HeavyAdWarning:
        return IssueKind.BREAKING_CHANGE;
    }
  }

  static fromInspectorIssue(
      issuesModel: SDK.IssuesModel.IssuesModel|null, inspectorIssue: Protocol.Audits.InspectorIssue): HeavyAdIssue[] {
    const heavyAdIssueDetails = inspectorIssue.details.heavyAdIssueDetails;
    if (!heavyAdIssueDetails) {
      console.warn('Heavy Ad issue without details received.');
      return [];
    }
    return [new HeavyAdIssue(heavyAdIssueDetails, issuesModel)];
  }
}