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import { createContext, type ReactNode, useContext, useEffect, useMemo, useState } from 'react'
import type { Player as DBPlayer } from '@/db/schema/players'
import { getNextPlayerColor } from '../types/player'
import { generateUniquePlayerName } from '../utils/playerNames'
// Types for the hook data that will be passed as props
// This allows GameModeContext to receive data without importing hooks directly
export interface RoomData {
id?: string
memberPlayers?: Record<string, Array<{ id: string; name: string; emoji: string; color: string }>>
gameConfig?: Record<string, unknown> | null
members?: Array<{
id: string
userId: string
displayName: string
isOnline: boolean
isCreator: boolean
}>
}
// Mutation options type for React Query style callbacks
interface MutationOptions {
onSuccess?: () => void
}
export interface GameModeProviderProps {
children: ReactNode
// Player data from useUserPlayers
dbPlayers: DBPlayer[]
isLoading: boolean
// Mutations from useUserPlayers (with optional callbacks)
createPlayer: (
player: {
name: string
emoji: string
color: string
isActive: boolean
isPracticeStudent?: boolean
},
options?: MutationOptions
) => void
updatePlayerMutation: (
args: {
id: string
updates: Partial<Pick<DBPlayer, 'name' | 'emoji' | 'color' | 'isActive'>>
},
options?: MutationOptions
) => void
deletePlayer: (id: string, options?: MutationOptions) => void
// Room data from useRoomData
roomData: RoomData | null
notifyRoomOfPlayerUpdate: () => void
// Viewer ID from useUserId
viewerId: string | null | undefined
}
// Client-side Player type (compatible with old type)
export interface Player {
id: string
name: string
emoji: string
color: string
createdAt: Date | number
isActive?: boolean
isLocal?: boolean
}
export type GameMode = 'single' | 'battle' | 'tournament'
export interface GameModeContextType {
gameMode: GameMode // Computed from activePlayerCount
players: Map<string, Player>
activePlayers: Set<string>
activePlayerCount: number
addPlayer: (player?: Partial<Player>) => void
updatePlayer: (id: string, updates: Partial<Player>) => void
removePlayer: (id: string) => void
setActive: (id: string, active: boolean) => void
getActivePlayers: () => Player[]
getPlayer: (id: string) => Player | undefined
getAllPlayers: () => Player[]
resetPlayers: () => void
isLoading: boolean
/** Room data passed from the provider — always available when inside a GameModeProvider */
roomData: RoomData | null
}
// Default no-op context value for when GameModeProvider hasn't loaded yet
// This allows pages that don't need game mode to work without the provider
const defaultContextValue: GameModeContextType = {
gameMode: 'single',
players: new Map(),
activePlayers: new Set(),
activePlayerCount: 0,
addPlayer: () => {},
updatePlayer: () => {},
removePlayer: () => {},
setActive: () => {},
getActivePlayers: () => [],
getPlayer: () => undefined,
getAllPlayers: () => [],
resetPlayers: () => {},
isLoading: true,
roomData: null,
}
const GameModeContext = createContext<GameModeContextType>(defaultContextValue)
// Default players to create if none exist
// Names are generated randomly on first initialization
const DEFAULT_PLAYER_CONFIGS = [
{ emoji: '😀', color: '#3b82f6' },
{ emoji: '😎', color: '#8b5cf6' },
{ emoji: '🤠', color: '#10b981' },
{ emoji: '🚀', color: '#f59e0b' },
]
// Convert DB player to client Player type
function toClientPlayer(dbPlayer: DBPlayer): Player {
return {
id: dbPlayer.id,
name: dbPlayer.name,
emoji: dbPlayer.emoji,
color: dbPlayer.color,
createdAt: dbPlayer.createdAt,
isActive: dbPlayer.isActive,
}
}
export function GameModeProvider({
children,
dbPlayers,
isLoading,
createPlayer,
updatePlayerMutation,
deletePlayer,
roomData,
notifyRoomOfPlayerUpdate,
viewerId,
}: GameModeProviderProps) {
const [isInitialized, setIsInitialized] = useState(false)
// Convert DB players to Map (local players)
const localPlayers = useMemo(() => {
const map = new Map<string, Player>()
dbPlayers.forEach((dbPlayer) => {
map.set(dbPlayer.id, {
...toClientPlayer(dbPlayer),
isLocal: true,
})
})
return map
}, [dbPlayers])
// When in a room, merge all players from all room members
const players = useMemo(() => {
const map = new Map<string, Player>(localPlayers)
if (roomData?.memberPlayers) {
// Add players from other room members (marked as remote)
Object.entries(roomData.memberPlayers).forEach(([userId, memberPlayers]) => {
// Skip the current user's players (already in localPlayers)
if (userId === viewerId) return
memberPlayers.forEach((roomPlayer) => {
map.set(roomPlayer.id, {
id: roomPlayer.id,
name: roomPlayer.name,
emoji: roomPlayer.emoji,
color: roomPlayer.color,
createdAt: Date.now(),
isActive: true, // Players in memberPlayers are active
isLocal: false, // Remote player
})
})
})
}
return map
}, [localPlayers, roomData, viewerId])
// Track active players (local + room members when in a room)
const activePlayers = useMemo(() => {
const set = new Set<string>()
if (roomData?.memberPlayers) {
// In room mode: all players from all members are active
Object.values(roomData.memberPlayers).forEach((memberPlayers) => {
memberPlayers.forEach((player) => {
set.add(player.id)
})
})
} else {
// Solo mode: only local active players
dbPlayers.forEach((player) => {
if (player.isActive) {
set.add(player.id)
}
})
}
return set
}, [dbPlayers, roomData])
// Initialize with default players if none exist
useEffect(() => {
if (!isLoading && !isInitialized) {
if (dbPlayers.length === 0) {
// Generate unique names for default players, themed by their emoji
const existingNames: string[] = []
const generatedNames = DEFAULT_PLAYER_CONFIGS.map((config) => {
const name = generateUniquePlayerName(existingNames, config.emoji)
existingNames.push(name)
return name
})
// Create default players with generated names (arcade players, not practice students)
DEFAULT_PLAYER_CONFIGS.forEach((config, index) => {
createPlayer({
name: generatedNames[index],
emoji: config.emoji,
color: config.color,
isActive: index === 0, // First player active by default
isPracticeStudent: false,
})
})
console.log('✅ Created default players via API with auto-generated names:', generatedNames)
} else {
console.log('✅ Loaded players from API', {
playerCount: dbPlayers.length,
activeCount: dbPlayers.filter((p) => p.isActive).length,
})
}
setIsInitialized(true)
}
}, [dbPlayers, isLoading, isInitialized, createPlayer])
const addPlayer = (playerData?: Partial<Player>) => {
const playerList = Array.from(players.values())
const existingNames = playerList.map((p) => p.name)
const emoji = playerData?.emoji ?? '🎮'
const newPlayer = {
name: playerData?.name ?? generateUniquePlayerName(existingNames, emoji),
emoji,
color: playerData?.color ?? getNextPlayerColor(playerList),
isActive: playerData?.isActive ?? false,
isPracticeStudent: false, // Arcade players are not practice students
}
createPlayer(newPlayer, {
onSuccess: () => {
// Notify room members if in a room
notifyRoomOfPlayerUpdate()
},
})
}
const updatePlayer = (id: string, updates: Partial<Player>) => {
const player = players.get(id)
// Only allow updating local players
if (player?.isLocal) {
updatePlayerMutation(
{ id, updates },
{
onSuccess: () => {
// Notify room members if in a room
notifyRoomOfPlayerUpdate()
},
}
)
} else {
console.warn('[GameModeContext] Cannot update remote player:', id)
}
}
const removePlayer = (id: string) => {
const player = players.get(id)
// Only allow removing local players
if (player?.isLocal) {
deletePlayer(id, {
onSuccess: () => {
// Notify room members if in a room
notifyRoomOfPlayerUpdate()
},
})
} else {
console.warn('[GameModeContext] Cannot remove remote player:', id)
}
}
const setActive = (id: string, active: boolean) => {
const player = players.get(id)
// Only allow changing active status of local players
if (player?.isLocal) {
updatePlayerMutation(
{ id, updates: { isActive: active } },
{
onSuccess: () => {
// Notify room members if in a room
notifyRoomOfPlayerUpdate()
},
}
)
} else {
console.warn('[GameModeContext] Cannot change active status of remote player:', id)
}
}
const getActivePlayers = (): Player[] => {
return Array.from(activePlayers)
.map((id) => players.get(id))
.filter((p): p is Player => p !== undefined)
}
const getPlayer = (id: string): Player | undefined => {
return players.get(id)
}
const getAllPlayers = (): Player[] => {
return Array.from(players.values())
}
const resetPlayers = () => {
// Delete all existing players
dbPlayers.forEach((player) => {
deletePlayer(player.id)
})
// Generate unique names for default players, themed by their emoji
const existingNames: string[] = []
const generatedNames = DEFAULT_PLAYER_CONFIGS.map((config) => {
const name = generateUniquePlayerName(existingNames, config.emoji)
existingNames.push(name)
return name
})
// Create default players with generated names (arcade players, not practice students)
DEFAULT_PLAYER_CONFIGS.forEach((config, index) => {
createPlayer({
name: generatedNames[index],
emoji: config.emoji,
color: config.color,
isActive: index === 0,
isPracticeStudent: false,
})
})
// Notify room members after reset (slight delay to ensure mutations complete)
setTimeout(() => {
notifyRoomOfPlayerUpdate()
}, 100)
}
const activePlayerCount = activePlayers.size
// Compute game mode from active player count
const gameMode: GameMode =
activePlayerCount === 1
? 'single'
: activePlayerCount === 2
? 'battle'
: activePlayerCount >= 3
? 'tournament'
: 'single'
const contextValue: GameModeContextType = {
gameMode,
players,
activePlayers,
activePlayerCount,
addPlayer,
updatePlayer,
removePlayer,
setActive,
getActivePlayers,
getPlayer,
getAllPlayers,
resetPlayers,
isLoading,
roomData,
}
return <GameModeContext.Provider value={contextValue}>{children}</GameModeContext.Provider>
}
export function useGameMode(): GameModeContextType {
// Context now has a default value, so it will return that when no provider exists
// This allows pages that don't need game mode to work without errors
return useContext(GameModeContext)
}
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