import passport from "passport"
import createError from "http-errors"
import autobind from "autobind-decorator"
import zlib from "zlib"
import { Readable } from "stream"
import { catchAll, BaseRoutes } from "."

@autobind
export class TeamRoutes extends BaseRoutes {
  constructor(container) {
    super(container, container.db.Team)

    container.app
      .route("/teams/status")
      .get(
        passport.authenticate("bearer", { session: false }),
        catchAll(this.getTeamStatus)
      )
  }

  async getTeamStatus(req, res, next) {
    const Team = this.db.Team
    const Activity = this.db.Activity
    let teams = await Team.find({}).exec()

    teams = teams.map((doc) => doc.toObject({ versionKey: false }))

    for (let team of teams) {
      let activities = await Activity.find({ team: team._id }).exec()

      team.activities = activities.map((doc) =>
        doc.toObject({ versionKey: false })
      )
    }

    const gzip = zlib.createGzip()
    let readable = new Readable()

    readable.push(JSON.stringify(teams, null, "  "))
    readable.push(null)

    res.writeHead(200, {
      "Content-Type": "application/gzip",
      "Content-Disposition": 'attachment; filename="team-scores.json.gzip"',
    })
    readable.pipe(gzip).pipe(res)
  }
}