twenty-one/backend/trpc/game.ts

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import { requireAuthentication, t } from "./base"
import { z } from "zod"
import { createGame, getGameByLobbyCode } from "../game"
import { SpecialCardId, specialCardIds } from "../../shared/game/cards"
const gameProcedure = t.procedure
.use(requireAuthentication)
.input(z.object({
lobbyCode: z.string()
}))
.use(t.middleware(async ({ input, ctx, next }) => {
const game = getGameByLobbyCode((input as { lobbyCode: string }).lobbyCode)
if (game === null) throw new Error("The game does not exist or is not active")
return await next({
ctx: {
game
}
})
}))
export const gameRouter = t.router({
start: gameProcedure
.mutation(async ({ ctx }) => {
if (ctx.game.state.players.findIndex(p => p.id === ctx.user.id) !== 0) throw new Error("Only the creator can start the game")
ctx.game.start()
}),
hit: gameProcedure
.mutation(async ({ ctx }) => {
if (ctx.game.state.activePlayerId !== ctx.user.id) throw new Error("It is not the players turn")
await ctx.game.hit()
}),
stay: gameProcedure
.mutation(async ({ ctx }) => {
if (ctx.game.state.activePlayerId !== ctx.user.id) throw new Error("It is not the players turn")
await ctx.game.stay()
}),
useSpecialCard: gameProcedure
.input(z.object({
specialCardId: z.string().refine(a => specialCardIds.includes(a as any)).transform(a => a as SpecialCardId)
}))
.mutation(async ({ ctx, input }) => {
if (ctx.game.state.activePlayerId !== ctx.user.id) throw new Error("It is not the players turn")
await ctx.game.useSpecialCard(input.specialCardId)
}),
newRound: gameProcedure
.mutation(async ({ ctx }) => {
if (ctx.game.state.phase !== "end") throw new Error(`Cannot start a new round in this phase: ${ctx.game.state.phase}`)
if (ctx.game.state.players.findIndex(p => p.id === ctx.user.id) !== 0) throw new Error("Only the creator can start a new round")
const newGame = createGame(ctx.game.lobbyCode)
newGame.addPlayer(ctx.user.id, ctx.user.name)
ctx.game.announceNewRoundAndDestroy()
})
})