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import { call, put, take, apply } from 'redux-saga/effects'
import { createSubscriptionChannel } from '../utils/websocket'
import { push } from 'react-router-redux'
import { normalize } from 'normalizr'
import { game as gameSchema } from '../schemas/games'
import { actions as gameActions, types } from '../redux/games'
import { actions as playerActions } from '../redux/players'
function getCurrentGameId() {
const path = window.location.pathname
return path.split('lobby/')[1]
}
function *watchLobbyUpdates({ socket }) {
const currentGameId = getCurrentGameId()
const lobbyUpdatesChannel = yield call(createSubscriptionChannel, socket, `/topic/lobby/${currentGameId}/updated`)
try {
while (true) {
const lobby = yield take(lobbyUpdatesChannel)
const normalized = normalize(lobby, gameSchema)
yield put(gameActions.updateGames(normalized.entities.games))
yield put(playerActions.updatePlayers(normalized.entities.players))
}
} finally {
yield apply(lobbyUpdatesChannel, lobbyUpdatesChannel.close)
}
}
function *watchGameStart({ socket }) {
const currentGameId = getCurrentGameId()
const gameStartedChannel = yield call(createSubscriptionChannel, socket, `/topic/lobby/${currentGameId}/started`)
try {
yield take(gameStartedChannel)
yield put(gameActions.enterGame())
yield put(push('/game'))
} finally {
yield apply(gameStartedChannel, gameStartedChannel.close)
}
}
function *startGame({ socket }) {
while (true) {
yield take(types.REQUEST_START_GAME)
yield apply(socket, socket.send, ['/app/lobby/startGame', {}])
}
}
function *lobbySaga(socketConnection) {
yield [
call(watchLobbyUpdates, socketConnection),
call(watchGameStart, socketConnection),
call(startGame, socketConnection)
]
}
export default lobbySaga
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