import * as filters from "./filters";
import { injectable } from "tsyringe";

export type HistoryItem = {
  title: string
  url: string
}

const COMPLETION_ITEM_LIMIT = 10;

@injectable()
export default class HistoryRepository {
  async queryHistories(keywords: string): Promise<HistoryItem[]> {
    const items = await browser.history.search({
      text: keywords,
      startTime: 0,
    });

  return [items]
    .map(filters.filterBlankTitle)
    .map(filters.filterHttp)
    .map(filters.filterByTailingSlash)
    .map(pages => filters.filterByPathname(pages, COMPLETION_ITEM_LIMIT))
    .map(pages => filters.filterByOrigin(pages, COMPLETION_ITEM_LIMIT))[0]
    .sort((x, y) => Number(y.visitCount) - Number(x.visitCount))
    .slice(0, COMPLETION_ITEM_LIMIT)
    .map(item => ({
      title: item.title!!,
      url: item.url!!,
    }))
  }
}