{
  "version": 3,
  "sources": ["../../src/rooms/LobbyRoom.ts"],
  "sourcesContent": ["\nimport * as matchMaker from '../MatchMaker.js';\nimport { IRoomCache } from '../matchmaker/driver/local/LocalDriver.js';\nimport { subscribeLobby } from '../matchmaker/Lobby.js';\nimport { Room } from '../Room.js';\nimport { Client } from '../Transport.js';\n\n// TODO: use Schema state & filters on version 1.0.0\n\n// class DummyLobbyState extends Schema { // tslint:disable-line\n//   @type(\"number\") public _: number;\n// }\n\nexport interface FilterInput {\n  name?: string;\n  metadata?: any;\n}\n\nexport interface LobbyOptions {\n  filter?: FilterInput;\n}\n\nexport class LobbyRoom extends Room { // tslint:disable-line\n  public rooms: IRoomCache[] = [];\n  public unsubscribeLobby: () => void;\n\n  public clientOptions: { [sessionId: string]: LobbyOptions } = {};\n\n  public async onCreate(options: any) {\n    // prevent LobbyRoom to notify itself\n    this.listing.unlisted = true;\n\n    this.unsubscribeLobby = await subscribeLobby((roomId, data) => {\n      const roomIndex = this.rooms.findIndex((room) => room.roomId === roomId);\n      const clients = this.clients.filter((client) => this.clientOptions[client.sessionId]);\n\n      if (!data) {\n        // remove room listing data\n        if (roomIndex !== -1) {\n          const previousData = this.rooms[roomIndex];\n\n          this.rooms.splice(roomIndex, 1);\n\n          clients.forEach((client) => {\n            if (this.filterItemForClient(previousData, this.clientOptions[client.sessionId].filter)) {\n              client.send('-', roomId);\n            }\n          });\n        }\n\n      } else if (roomIndex === -1) {\n        // append room listing data\n        this.rooms.push(data);\n\n        clients.forEach((client) => {\n          if (this.filterItemForClient(data, this.clientOptions[client.sessionId].filter)) {\n            client.send('+', [roomId, data]);\n          }\n        });\n\n      } else {\n        const previousData = this.rooms[roomIndex];\n\n        // replace room listing data\n        this.rooms[roomIndex] = data;\n\n        clients.forEach((client) => {\n          const hadData = this.filterItemForClient(previousData, this.clientOptions[client.sessionId].filter);\n          const hasData = this.filterItemForClient(data, this.clientOptions[client.sessionId].filter);\n\n          if (hadData && !hasData) {\n            client.send('-', roomId);\n\n          } else if (hasData) {\n            client.send('+', [roomId, data]);\n          }\n        });\n      }\n    });\n\n    this.rooms = await matchMaker.query({ private: false, unlisted: false });\n\n    this.onMessage('filter', (client: Client, filter: FilterInput) => {\n      this.clientOptions[client.sessionId].filter = filter;\n      client.send('rooms', this.filterItemsForClient(this.clientOptions[client.sessionId]));\n    });\n  }\n\n  public onJoin(client: Client, options: LobbyOptions) {\n    this.clientOptions[client.sessionId] = options || {};\n    client.send('rooms', this.filterItemsForClient(this.clientOptions[client.sessionId]));\n  }\n\n  public onLeave(client: Client) {\n    delete this.clientOptions[client.sessionId];\n  }\n\n  public onDispose() {\n    if (this.unsubscribeLobby) {\n      this.unsubscribeLobby();\n    }\n  }\n\n  protected filterItemsForClient(options: LobbyOptions) {\n    const filter = options.filter;\n\n    return (filter)\n      ? this.rooms.filter((room) => this.filterItemForClient(room, filter))\n      : this.rooms;\n  }\n\n  protected filterItemForClient(room: IRoomCache, filter?: LobbyOptions['filter']) {\n    if (!filter) {\n      return true;\n    }\n\n    let isAllowed = true;\n\n    if (filter.name !== room.name) {\n      isAllowed = false;\n    }\n\n    if (filter.metadata) {\n      for (const field in filter.metadata) {\n        if (room.metadata[field] !== filter.metadata[field]) {\n          isAllowed = false;\n          break;\n        }\n      }\n    }\n\n    return isAllowed;\n  }\n\n}\n"],
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