introduce zod schemas

src/lib/actions/auth.ts

@@ -3,6 +3,7 @@
 import { redirect } from 'next/navigation';
 import { loginUser, getOpenToken } from '@/lib/api/server/auth';
 import { login, logout } from '@/lib/auth/server';
+import { loginSchema, loginResponseSchema } from '../schemas';
 
 export type LoginResult = {
 	success: boolean;
@@ -14,18 +15,19 @@ export async function loginAction(prevState: LoginResult, formData: FormData) {
 		const username = formData.get('username') as string;
 		const password = formData.get('password') as string;
 
-		if (!username || !password) {
+		const loginData = loginSchema.safeParse({ username, password });
+		if (!loginData.success) {
 			return {
 				success: false,
-				message: 'Username and password are required'
+				message: loginData.error.message
 			};
 		}
 
-		const result = await loginUser(username, password);
+		const result = loginResponseSchema.safeParse(await loginUser(loginData.data));
 
-		if (result.token && result.user) {
-			const openToken = await getOpenToken(result.token);
-			await login(result.token, result.user, openToken);
+		if (result.success) {
+			const openToken = await getOpenToken(result.data.token);
+			await login(result.data.token, result.data.user, openToken);
 		} else {
 			return {
 				success: false,

src/lib/actions/configuration.ts

@@ -3,14 +3,20 @@
 import { revalidatePath } from 'next/cache';
 import { requireAuth } from '@/lib/auth/server';
 import { updateServerConfiguration } from '@/lib/api/server/configuration';
-import { ConfigFile } from '@/lib/types/config';
+import {
+	assistRulesSchema,
+	ConfigFile,
+	eventConfigSchema,
+	eventRulesSchema,
+	serverSettingsSchema
+} from '@/lib/schemas/config';
 import type {
 	Configuration,
 	AssistRules,
 	EventConfig,
 	EventRules,
 	ServerSettings
-} from '@/lib/types/config';
+} from '@/lib/schemas/config';
 
 export async function updateConfigurationAction(serverId: string, formData: FormData) {
 	try {
@@ -49,7 +55,7 @@ export async function updateAssistRulesAction(serverId: string, formData: FormDa
 		const session = await requireAuth();
 		const restart = formData.get('restart') === 'on';
 
-		const config: AssistRules = {
+		const rawConfig: AssistRules = {
 			stabilityControlLevelMax: parseInt(formData.get('stabilityControlLevelMax') as string),
 			disableAutosteer: parseInt(formData.get('disableAutosteer') as string),
 			disableAutoLights: parseInt(formData.get('disableAutoLights') as string),
@@ -61,11 +67,16 @@ export async function updateAssistRulesAction(serverId: string, formData: FormDa
 			disableIdealLine: parseInt(formData.get('disableIdealLine') as string)
 		};
 
+		const config = assistRulesSchema.safeParse(rawConfig);
+		if (!config.success) {
+			return { success: false, message: config.error.message };
+		}
+
 		await updateServerConfiguration(
 			session.token!,
 			serverId,
 			ConfigFile.assistRules,
-			config,
+			config.data,
 			restart
 		);
 		revalidatePath(`/dashboard/server/${serverId}`);
@@ -84,7 +95,7 @@ export async function updateServerSettingsAction(serverId: string, formData: For
 		const session = await requireAuth();
 		const restart = formData.get('restart') === 'on';
 
-		const config: ServerSettings = {
+		const rawConfig: ServerSettings = {
 			serverName: formData.get('serverName') as string,
 			adminPassword: formData.get('adminPassword') as string,
 			carGroup: formData.get('carGroup') as string,
@@ -103,8 +114,18 @@ export async function updateServerSettingsAction(serverId: string, formData: For
 			formationLapType: parseInt(formData.get('formationLapType') as string),
 			ignorePrematureDisconnects: parseInt(formData.get('ignorePrematureDisconnects') as string)
 		};
+		const config = serverSettingsSchema.safeParse(rawConfig);
+		if (!config.success) {
+			return { success: false, message: config.error.message };
+		}
 
-		await updateServerConfiguration(session.token!, serverId, ConfigFile.settings, config, restart);
+		await updateServerConfiguration(
+			session.token!,
+			serverId,
+			ConfigFile.settings,
+			config.data,
+			restart
+		);
 		revalidatePath(`/dashboard/server/${serverId}`);
 
 		return { success: true, message: 'Server settings updated successfully' };
@@ -124,7 +145,7 @@ export async function updateEventConfigAction(serverId: string, formData: FormDa
 		const sessionsData = formData.get('sessions') as string;
 		const sessions = sessionsData ? JSON.parse(sessionsData) : [];
 
-		const config: EventConfig = {
+		const rawConfig: EventConfig = {
 			track: formData.get('track') as string,
 			preRaceWaitingTimeSeconds: parseInt(formData.get('preRaceWaitingTimeSeconds') as string),
 			sessionOverTimeSeconds: parseInt(formData.get('sessionOverTimeSeconds') as string),
@@ -140,8 +161,18 @@ export async function updateEventConfigAction(serverId: string, formData: FormDa
 			),
 			sessions
 		};
+		const config = eventConfigSchema.safeParse(rawConfig);
+		if (!config.success) {
+			return { success: false, message: config.error.message };
+		}
 
-		await updateServerConfiguration(session.token!, serverId, ConfigFile.event, config, restart);
+		await updateServerConfiguration(
+			session.token!,
+			serverId,
+			ConfigFile.event,
+			config.data,
+			restart
+		);
 		revalidatePath(`/dashboard/server/${serverId}`);
 
 		return {
@@ -161,7 +192,7 @@ export async function updateEventRulesAction(serverId: string, formData: FormDat
 		const session = await requireAuth();
 		const restart = formData.get('restart') === 'on';
 
-		const config: EventRules = {
+		const rawConfig: EventRules = {
 			qualifyStandingType: parseInt(formData.get('qualifyStandingType') as string),
 			pitWindowLengthSec: parseInt(formData.get('pitWindowLengthSec') as string),
 			driverStintTimeSec: parseInt(formData.get('driverStintTimeSec') as string),
@@ -178,11 +209,16 @@ export async function updateEventRulesAction(serverId: string, formData: FormDat
 			tyreSetCount: parseInt(formData.get('tyreSetCount') as string)
 		};
 
+		const config = eventRulesSchema.safeParse(rawConfig);
+		if (!config.success) {
+			return { success: false, message: config.error.message };
+		}
+
 		await updateServerConfiguration(
 			session.token!,
 			serverId,
 			ConfigFile.eventRules,
-			config,
+			config.data,
 			restart
 		);
 		revalidatePath(`/dashboard/server/${serverId}`);

src/lib/actions/membership.ts

@@ -3,6 +3,7 @@
 import { revalidatePath } from 'next/cache';
 import { requireAuth } from '@/lib/auth/server';
 import { createUser, deleteUser } from '@/lib/api/server/membership';
+import { userCreateSchema } from '../schemas';
 
 export async function createUserAction(formData: FormData) {
 	try {
@@ -11,7 +12,13 @@ export async function createUserAction(formData: FormData) {
 		const password = formData.get('password') as string;
 		const role = formData.get('role') as string;
 
-		await createUser(session.token!, { username, password, role });
+		const rawData = { username, password, role };
+		const data = userCreateSchema.safeParse(rawData);
+		if (!data.success) {
+			return { success: false, message: data.error.message };
+		}
+
+		await createUser(session.token!, data.data);
 		revalidatePath('/dashboard/membership');
 
 		return { success: true, message: 'User created successfully' };

src/lib/api/server/auth.ts

@@ -1,17 +1,26 @@
-import { User } from '@/lib/types';
+import {
+	Login,
+	LoginResponse,
+	loginResponseSchema,
+	loginSchema,
+	loginTokenSchema,
+	User,
+	userSchema
+} from '@/lib/schemas';
 import { fetchServerAPI } from './base';
 
 const BASE_URL = process.env.API_BASE_URL || 'http://localhost:8080';
 
 const authRoute = '/auth';
 
-export async function loginUser(username: string, password: string) {
+export async function loginUser(login: Login): Promise<LoginResponse> {
+	const validatedLogin = loginSchema.parse(login);
 	const response = await fetch(`${BASE_URL}${authRoute}/login`, {
 		method: 'POST',
 		headers: {
 			'Content-Type': 'application/json'
 		},
-		body: JSON.stringify({ username, password })
+		body: JSON.stringify(validatedLogin)
 	});
 
 	if (!response.ok) {
@@ -22,16 +31,18 @@ export async function loginUser(username: string, password: string) {
 		throw new Error(`Login failed: ${response.statusText}`);
 	}
 
-	const { token } = await response.json();
+	const rawData = await response.json();
+
+	const { token } = loginTokenSchema.parse(rawData);
 
 	const userResponse = await getCurrentUser(token);
 
-	return { token, user: userResponse };
+	return loginResponseSchema.parse({ token, user: userResponse });
 }
 
 export async function getCurrentUser(token: string): Promise<User> {
 	const response = await fetchServerAPI<User>(`${authRoute}/me`, token);
-	return response.data!;
+	return userSchema.parse(response.data);
 }
 
 export async function getOpenToken(token: string): Promise<string> {
@@ -40,5 +51,5 @@ export async function getOpenToken(token: string): Promise<string> {
 		token,
 		'POST'
 	);
-	return response.data!.token;
+	return loginTokenSchema.parse(response.data).token;
 }

src/lib/api/server/configuration.ts

@@ -1,5 +1,12 @@
 import { fetchServerAPI } from './base';
-import type { Configurations, ConfigFile, Config } from '@/lib/types/config';
+import {
+	type Configurations,
+	type Config,
+	ConfigFile,
+	configurationsSchema,
+	configSchemaMap
+} from '@/lib/schemas/config';
+import * as z from 'zod';
 
 const serverRoute = '/server';
 
@@ -8,7 +15,15 @@ export async function getServerConfigurations(
 	serverId: string
 ): Promise<Configurations> {
 	const response = await fetchServerAPI<Configurations>(`${serverRoute}/${serverId}/config`, token);
-	return response.data!;
+	return configurationsSchema.parse(response.data);
+}
+
+export function validateConfig(
+	configType: ConfigFile,
+	data: unknown
+): z.infer<(typeof configSchemaMap)[typeof configType]> {
+	const schema = configSchemaMap[configType];
+	return schema.parse(data);
 }
 
 export async function getServerConfiguration(
@@ -20,7 +35,7 @@ export async function getServerConfiguration(
 		`${serverRoute}/${serverId}/config/${configType}`,
 		token
 	);
-	return response.data!;
+	return validateConfig(configType, response.data);
 }
 
 export async function updateServerConfiguration(
@@ -31,7 +46,7 @@ export async function updateServerConfiguration(
 	restart = false
 ): Promise<void> {
 	await fetchServerAPI(`${serverRoute}/${serverId}/config/${configType}`, token, 'PUT', {
-		...config,
+		...validateConfig(configType, config),
 		restart
 	});
 }

src/lib/api/server/lookups.ts

@@ -1,21 +1,32 @@
 import { fetchServerAPI } from './base';
-import { Track, CarModel, CupCategory, DriverCategory, SessionType } from '@/lib/types';
+import {
+	Track,
+	CarModel,
+	CupCategory,
+	DriverCategory,
+	SessionType,
+	trackSchema,
+	carModelSchema,
+	cupCategorySchema,
+	driverCategorySchema,
+	sessionTypeSchema
+} from '@/lib/schemas';
 
 const lookupRoute = '/lookup';
 
 export async function getTracks(token: string): Promise<Track[]> {
 	const response = await fetchServerAPI<Track[]>(`${lookupRoute}/tracks`, token);
-	return response.data!;
+	return trackSchema.array().parse(response.data);
 }
 
 export async function getCarModels(token: string): Promise<CarModel[]> {
 	const response = await fetchServerAPI<CarModel[]>(`${lookupRoute}/car-models`, token);
-	return response.data!;
+	return carModelSchema.array().parse(response.data);
 }
 
 export async function getCupCategories(token: string): Promise<CupCategory[]> {
 	const response = await fetchServerAPI<CupCategory[]>(`${lookupRoute}/cup-categories`, token);
-	return response.data!;
+	return cupCategorySchema.array().parse(response.data);
 }
 
 export async function getDriverCategories(token: string): Promise<DriverCategory[]> {
@@ -23,10 +34,10 @@ export async function getDriverCategories(token: string): Promise<DriverCategory
 		`${lookupRoute}/driver-categories`,
 		token
 	);
-	return response.data!;
+	return driverCategorySchema.array().parse(response.data);
 }
 
 export async function getSessionTypes(token: string): Promise<SessionType[]> {
 	const response = await fetchServerAPI<SessionType[]>(`${lookupRoute}/session-types`, token);
-	return response.data!;
+	return sessionTypeSchema.array().parse(response.data);
 }

src/lib/api/server/membership.ts

@@ -1,5 +1,6 @@
+import { use } from 'react';
 import { fetchServerAPI } from './base';
-import { User, Role } from '@/lib/types';
+import { User, Role, userSchema, UserCreate, userCreateSchema, roleSchema } from '@/lib/schemas';
 
 export interface UserListParams {
 	username?: string;
@@ -25,27 +26,29 @@ export async function getUsers(token: string, params: UserListParams = {}): Prom
 	const endpoint = `${membershipRoute}${queryString ? `?${queryString}` : ''}`;
 
 	const response = await fetchServerAPI<User[]>(endpoint, token);
-	return response.data!;
+	return userSchema.array().parse(response.data);
 }
 
-export async function createUser(
-	token: string,
-	userData: { username: string; password: string; role: string }
-): Promise<void> {
-	await fetchServerAPI(membershipRoute, token, 'POST', userData);
+export async function createUser(token: string, userData: UserCreate): Promise<void> {
+	await fetchServerAPI(membershipRoute, token, 'POST', userCreateSchema.parse(userData));
 }
 
 export async function getUserById(token: string, userId: string): Promise<User> {
 	const response = await fetchServerAPI<User>(`${membershipRoute}/${userId}`, token);
-	return response.data!;
+	return userSchema.parse(response.data);
 }
 
 export async function updateUser(
 	token: string,
 	userId: string,
-	userData: Partial<User>
+	userData: Partial<UserCreate>
 ): Promise<void> {
-	await fetchServerAPI(`${membershipRoute}/${userId}`, token, 'PUT', userData);
+	await fetchServerAPI(
+		`${membershipRoute}/${userId}`,
+		token,
+		'PUT',
+		userCreateSchema.parse(userData)
+	);
 }
 
 export async function deleteUser(token: string, userId: string): Promise<void> {
@@ -54,5 +57,5 @@ export async function deleteUser(token: string, userId: string): Promise<void> {
 
 export async function getRoles(token: string): Promise<Role[]> {
 	const response = await fetchServerAPI<Role[]>(`${membershipRoute}/roles`, token);
-	return response.data!;
+	return roleSchema.array().parse(response.data);
 }

src/lib/api/server/servers.ts

@@ -1,16 +1,16 @@
 import { fetchServerAPI } from './base';
-import { Server, ServiceStatus } from '@/lib/types/server';
+import { Server, serverSchema, ServiceStatus, serviceStatusSchema } from '@/lib/schemas/server';
 
 const serverRoute = '/server';
 
 export async function getServers(token: string): Promise<Server[]> {
 	const response = await fetchServerAPI<Server[]>(serverRoute, token);
-	return response.data!;
+	return serverSchema.array().parse(response.data);
 }
 
 export async function getServer(token: string, serverId: string): Promise<Server> {
 	const response = await fetchServerAPI<Server>(`${serverRoute}/${serverId}`, token);
-	return response.data!;
+	return serverSchema.parse(response.data);
 }
 
 export async function restartService(token: string, serverId: string): Promise<void> {
@@ -27,12 +27,12 @@ export async function stopService(token: string, serverId: string): Promise<void
 
 export async function getServiceStatus(token: string, serverId: string): Promise<ServiceStatus> {
 	const response = await fetchServerAPI<ServiceStatus>(`${serverRoute}/${serverId}/service`, token);
-	return response.data!;
+	return serviceStatusSchema.parse(response.data);
 }
 
 export async function createServer(token: string, name: string): Promise<Server> {
 	const response = await fetchServerAPI<Server>(serverRoute, token, 'POST', { name });
-	return response.data!;
+	return serverSchema.parse(response.data);
 }
 
 export async function deleteServer(token: string, serverId: string): Promise<void> {

src/lib/api/server/statistics.ts

@@ -1,17 +1,22 @@
 import { fetchServerAPI } from './base';
-import type { StateHistoryStats } from '@/lib/types/statistics';
+import {
+	StateHistoryStatsFilter,
+	stateHistoryStatsFilterSchema,
+	stateHistoryStatsSchema,
+	type StateHistoryStats
+} from '@/lib/schemas/statistics';
 
 const serverRoute = '/server';
 
 export async function getServerStatistics(
 	token: string,
 	serverId: string,
-	startDate: string,
-	endDate: string
+	filters: StateHistoryStatsFilter
 ): Promise<StateHistoryStats> {
+	const { startDate, endDate } = stateHistoryStatsFilterSchema.parse(filters);
 	const response = await fetchServerAPI<StateHistoryStats>(
 		`${serverRoute}/${serverId}/state-history/statistics?start_date=${startDate}&end_date=${endDate}`,
 		token
 	);
-	return response.data!;
+	return stateHistoryStatsSchema.parse(response.data);
 }

src/lib/context/SteamCMDContext.tsx

@@ -2,7 +2,7 @@
 
 import { createContext, useContext, useState, ReactNode, useEffect, useCallback } from 'react';
 import { useWebSocket } from '@/lib/websocket/context';
-import { WebSocketMessage, StepData } from '@/lib/websocket/client';
+import type { WebSocketMessage, StepData } from '@/lib/schemas/websocket';
 
 interface SteamCMDContextType {
 	isSteamCMDRunning: boolean;

src/lib/schemas/config.ts

@@ -0,0 +1,130 @@
+import * as z from 'zod';
+
+export enum ConfigFile {
+	configuration = 'configuration.json',
+	assistRules = 'assistRules.json',
+	event = 'event.json',
+	eventRules = 'eventRules.json',
+	settings = 'settings.json'
+}
+export const configFileSchema = z.enum(ConfigFile);
+
+export enum ServerTab {
+	statistics = 'statistics',
+	configuration = 'configuration',
+	assistRules = 'assistRules',
+	event = 'event',
+	eventRules = 'eventRules',
+	settings = 'settings'
+}
+export const serverTabSchema = z.enum(ServerTab);
+
+export const configurationSchema = z.object({
+	udpPort: z.number().min(1025).max(65535),
+	tcpPort: z.number().min(1025).max(65535),
+	maxConnections: z.number().min(1).max(64),
+	lanDiscovery: z.number().min(0).max(1),
+	registerToLobby: z.number().min(0).max(2),
+	configVersion: z.number().min(1).max(2).default(1)
+});
+
+export type Configuration = z.infer<typeof configurationSchema>;
+
+export const assistRulesSchema = z.object({
+	stabilityControlLevelMax: z.number().min(0).max(3),
+	disableAutosteer: z.number().min(0).max(1),
+	disableAutoLights: z.number().min(0).max(1),
+	disableAutoWiper: z.number().min(0).max(1),
+	disableAutoEngineStart: z.number().min(0).max(1),
+	disableAutoPitLimiter: z.number().min(0).max(1),
+	disableAutoGear: z.number().min(0).max(1),
+	disableAutoClutch: z.number().min(0).max(1),
+	disableIdealLine: z.number().min(0).max(1)
+});
+
+export type AssistRules = z.infer<typeof assistRulesSchema>;
+
+export const serverSettingsSchema = z.object({
+	serverName: z.string().min(3).max(50),
+	adminPassword: z.string().min(6).max(50),
+	carGroup: z.string().min(1).max(50),
+	trackMedalsRequirement: z.number().min(0).max(3),
+	safetyRatingRequirement: z.number().min(0).max(5),
+	racecraftRatingRequirement: z.number().min(0).max(5),
+	password: z.string().max(50).optional().or(z.literal('')),
+	spectatorPassword: z.string().max(50).optional().or(z.literal('')),
+	maxCarSlots: z.number().min(1).max(64),
+	dumpLeaderboards: z.number().min(0).max(1),
+	isRaceLocked: z.number().min(0).max(1),
+	randomizeTrackWhenEmpty: z.number().min(0).max(1),
+	centralEntryListPath: z.string().max(255).optional().or(z.literal('')),
+	allowAutoDQ: z.number().min(0).max(1),
+	shortFormationLap: z.number().min(0).max(1),
+	formationLapType: z.number().min(0).max(2),
+	ignorePrematureDisconnects: z.number().min(0).max(1)
+});
+
+export type ServerSettings = z.infer<typeof serverSettingsSchema>;
+
+export const sessionSchema = z.object({
+	hourOfDay: z.number().min(0).max(23),
+	dayOfWeekend: z.number().min(0).max(6),
+	timeMultiplier: z.number().min(1).max(120),
+	sessionType: z.string().min(1).max(20),
+	sessionDurationMinutes: z.number().min(1).max(180)
+});
+
+export type Session = z.infer<typeof sessionSchema>;
+
+export const eventConfigSchema = z.object({
+	track: z.string().min(1).max(100),
+	preRaceWaitingTimeSeconds: z.number().min(0).max(600),
+	sessionOverTimeSeconds: z.number().min(0).max(300),
+	ambientTemp: z.number().min(-20).max(50),
+	cloudLevel: z.number().min(0).max(100),
+	rain: z.number().min(0).max(100),
+	weatherRandomness: z.number().min(0).max(100),
+	postQualySeconds: z.number().min(0).max(600),
+	postRaceSeconds: z.number().min(0).max(600),
+	simracerWeatherConditions: z.number().min(0).max(2),
+	isFixedConditionQualification: z.number().min(0).max(1),
+	sessions: z.array(sessionSchema).min(1).max(10)
+});
+
+export type EventConfig = z.infer<typeof eventConfigSchema>;
+
+export const eventRulesSchema = z.object({
+	qualifyStandingType: z.number().min(0).max(2),
+	pitWindowLengthSec: z.number().min(0).max(3600),
+	driverStintTimeSec: z.number().min(0).max(7200),
+	mandatoryPitstopCount: z.number().min(0).max(10),
+	maxTotalDrivingTime: z.number().min(0).max(14400),
+	isRefuellingAllowedInRace: z.boolean(),
+	isRefuellingTimeFixed: z.boolean(),
+	isMandatoryPitstopRefuellingRequired: z.boolean(),
+	isMandatoryPitstopTyreChangeRequired: z.boolean(),
+	isMandatoryPitstopSwapDriverRequired: z.boolean(),
+	tyreSetCount: z.number().min(0).max(20)
+});
+
+export type EventRules = z.infer<typeof eventRulesSchema>;
+
+export const configurationsSchema = z.object({
+	configuration: configurationSchema,
+	assistRules: assistRulesSchema,
+	settings: serverSettingsSchema,
+	event: eventConfigSchema,
+	eventRules: eventRulesSchema
+});
+
+export type Configurations = z.infer<typeof configurationsSchema>;
+
+export const configSchemaMap = {
+	[ConfigFile.configuration]: configurationSchema,
+	[ConfigFile.assistRules]: assistRulesSchema,
+	[ConfigFile.event]: eventConfigSchema,
+	[ConfigFile.eventRules]: eventRulesSchema,
+	[ConfigFile.settings]: serverSettingsSchema
+};
+
+export type Config = Configuration | AssistRules | EventConfig | EventRules | ServerSettings;

src/lib/schemas/lookups.ts

@@ -0,0 +1,33 @@
+import * as z from 'zod';
+
+export const trackSchema = z.object({
+	track: z.string(),
+	uniquePitBoxes: z.number().int().nonnegative(),
+	privateServerSlots: z.number().int().nonnegative()
+});
+
+export type Track = z.infer<typeof trackSchema>;
+
+export const carModelSchema = z.object({
+	value: z.number().int().nonnegative(),
+	carModel: z.string()
+});
+export type CarModel = z.infer<typeof carModelSchema>;
+
+export const driverCategorySchema = z.object({
+	value: z.number().int().nonnegative(),
+	category: z.string()
+});
+export type DriverCategory = z.infer<typeof driverCategorySchema>;
+
+export const cupCategorySchema = z.object({
+	value: z.number().int().nonnegative(),
+	category: z.string()
+});
+export type CupCategory = z.infer<typeof cupCategorySchema>;
+
+export const sessionTypeSchema = z.object({
+	value: z.number().int().nonnegative(),
+	sessionType: z.string()
+});
+export type SessionType = z.infer<typeof sessionTypeSchema>;

src/lib/schemas/server.ts

@@ -1,3 +1,5 @@
+import * as z from 'zod';
+
 export enum ServiceStatus {
 	Unknown,
 	Stopped,
@@ -6,6 +8,7 @@ export enum ServiceStatus {
 	Starting,
 	Running
 }
+export const serviceStatusSchema = z.enum(ServiceStatus);
 
 export const serviceStatusToString = (status: ServiceStatus): string => {
 	switch (status) {
@@ -41,16 +44,20 @@ export const getStatusColor = (status: ServiceStatus): string => {
 	}
 };
 
-interface State {
-	session: string;
-	playerCount: number;
-	track: string;
-	maxConnections: number;
-}
+export const stateSchema = z.object({
+	session: z.string(),
+	playerCount: z.number().min(0),
+	track: z.string(),
+	maxConnections: z.number().min(0)
+});
 
-export interface Server {
-	id: string;
-	name: string;
-	status: ServiceStatus;
-	state: State;
-}
+export type State = z.infer<typeof stateSchema>;
+
+export const serverSchema = z.object({
+	id: z.uuid(),
+	name: z.string().min(1),
+	status: z.enum(ServiceStatus),
+	state: stateSchema.optional()
+});
+
+export type Server = z.infer<typeof serverSchema>;

src/lib/schemas/statistics.ts

@@ -0,0 +1,58 @@
+import * as z from 'zod';
+
+export const stateHistorySchema = z.object({
+	dateCreated: z.string(),
+	sessionStart: z.string(),
+	playerCount: z.number(),
+	track: z.string(),
+	sessionDurationMinutes: z.number(),
+	session: z.string()
+});
+export type StateHistory = z.infer<typeof stateHistorySchema>;
+
+export const sessionCountSchema = z.object({
+	name: z.string(),
+	count: z.number()
+});
+export type SessionCount = z.infer<typeof sessionCountSchema>;
+
+export const dailyActivitySchema = z.object({
+	date: z.string(),
+	sessionsCount: z.number()
+});
+export type DailyActivity = z.infer<typeof dailyActivitySchema>;
+
+export const playerCountPointSchema = z.object({
+	timestamp: z.string(),
+	count: z.number()
+});
+export type PlayerCountPoint = z.infer<typeof playerCountPointSchema>;
+
+export const recentSessionSchema = z.object({
+	id: z.number(),
+	date: z.string(),
+	type: z.string(),
+	track: z.string(),
+	duration: z.number(),
+	players: z.number()
+});
+export type RecentSession = z.infer<typeof recentSessionSchema>;
+
+export const stateHistoryStatsSchema = z.object({
+	averagePlayers: z.number(),
+	peakPlayers: z.number(),
+	totalSessions: z.number(),
+	totalPlaytime: z.number(),
+	playerCountOverTime: z.array(playerCountPointSchema),
+	sessionTypes: z.array(sessionCountSchema),
+	dailyActivity: z.array(dailyActivitySchema),
+	recentSessions: z.array(recentSessionSchema)
+});
+export type StateHistoryStats = z.infer<typeof stateHistoryStatsSchema>;
+
+export const stateHistoryStatsFilterSchema = z.object({
+	startDate: z.string().min(10, 'Start date is required'),
+	endDate: z.string().min(10, 'End date is required')
+});
+
+export type StateHistoryStatsFilter = z.infer<typeof stateHistoryStatsFilterSchema>;

src/lib/schemas/user.ts

@@ -0,0 +1,69 @@
+import * as z from 'zod';
+
+export const permissionSchema = z.object({
+	id: z.uuid(),
+	name: z.string()
+});
+
+export type Permission = z.infer<typeof permissionSchema>;
+
+export const roleSchema = z.object({
+	id: z.uuid(),
+	name: z.string(),
+	permissions: z.array(permissionSchema)
+});
+
+export type Role = z.infer<typeof roleSchema>;
+
+export const userSchema = z.object({
+	id: z.uuid(),
+	username: z.string(),
+	role_id: z.uuid(),
+	role: roleSchema
+});
+
+export type User = z.infer<typeof userSchema>;
+
+export const userCreateSchema = z.object({
+	username: z
+		.string()
+		.min(1, 'Username is required')
+		.max(50, 'Username must be at most 50 characters'),
+	password: z
+		.string()
+		.min(6, 'Password must be at least 6 characters')
+		.max(100, 'Password must be at most 100 characters'),
+	role: z.string().min(1, 'Role is required')
+});
+
+export type UserCreate = z.infer<typeof userCreateSchema>;
+
+export const loginSchema = z.object({
+	username: z.string().min(1, 'Username is required'),
+	password: z.string().min(1, 'Password is required')
+});
+
+export type Login = z.infer<typeof loginSchema>;
+
+export const loginTokenSchema = z.object({
+	token: z.string().min(1)
+});
+
+export type LoginTokenResponse = z.infer<typeof loginTokenSchema>;
+
+export const loginResponseSchema = loginTokenSchema.extend({
+	user: userSchema
+});
+
+export type LoginResponse = z.infer<typeof loginResponseSchema>;
+
+export function hasPermission(user: User | null, permission: string): boolean {
+	if (!user || !user.role || !user.role.permissions) {
+		return false;
+	}
+
+	if (user.role.name === 'Super Admin') {
+		return true;
+	}
+	return user.role.permissions.some((p) => p.name === permission);
+}

src/lib/schemas/websocket.ts

@@ -0,0 +1,87 @@
+import * as z from 'zod';
+
+// Step data schema
+export const stepDataSchema = z.object({
+	step: z.enum([
+		'validation',
+		'directory_creation',
+		'steam_download',
+		'config_generation',
+		'service_creation',
+		'firewall_rules',
+		'database_save',
+		'completed'
+	]),
+	status: z.enum(['pending', 'in_progress', 'completed', 'failed']),
+	message: z.string(),
+	error: z.string()
+});
+
+export type StepData = z.infer<typeof stepDataSchema>;
+
+// Steam output data schema
+export const steamOutputDataSchema = z.object({
+	output: z.string(),
+	is_error: z.boolean()
+});
+
+export type SteamOutputData = z.infer<typeof steamOutputDataSchema>;
+
+// Error data schema
+export const errorDataSchema = z.object({
+	error: z.string(),
+	details: z.string()
+});
+
+export type ErrorData = z.infer<typeof errorDataSchema>;
+
+// Complete data schema
+export const completeDataSchema = z.object({
+	server_id: z.string(),
+	success: z.boolean(),
+	message: z.string()
+});
+
+export type CompleteData = z.infer<typeof completeDataSchema>;
+
+// WebSocket message schema using discriminated union
+export const webSocketMessageSchema = z.discriminatedUnion('type', [
+	z.object({
+		type: z.literal('step'),
+		server_id: z.string(),
+		timestamp: z.number(),
+		data: stepDataSchema
+	}),
+	z.object({
+		type: z.literal('steam_output'),
+		server_id: z.string(),
+		timestamp: z.number(),
+		data: steamOutputDataSchema
+	}),
+	z.object({
+		type: z.literal('error'),
+		server_id: z.string(),
+		timestamp: z.number(),
+		data: errorDataSchema
+	}),
+	z.object({
+		type: z.literal('complete'),
+		server_id: z.string(),
+		timestamp: z.number(),
+		data: completeDataSchema
+	})
+]);
+
+export type WebSocketMessage = z.infer<typeof webSocketMessageSchema>;
+
+// Connection status schema
+export const connectionStatusSchema = z.enum(['connecting', 'connected', 'disconnected', 'error']);
+
+export type ConnectionStatus = z.infer<typeof connectionStatusSchema>;
+
+// Handler types (these remain as types since they're function signatures)
+export type MessageHandler = (message: WebSocketMessage) => void;
+export type ConnectionStatusHandler = (
+	status: ConnectionStatus,
+	error?: string
+) => void;

src/lib/session/config.ts

@@ -1,5 +1,5 @@
 import { SessionOptions } from 'iron-session';
-import { User } from '@/lib/types';
+import { User } from '@/lib/schemas';
 
 export interface SessionData {
 	token?: string;

src/lib/types/config.ts

@@ -1,104 +0,0 @@
-export enum ConfigFile {
-	configuration = 'configuration.json',
-	assistRules = 'assistRules.json',
-	event = 'event.json',
-	eventRules = 'eventRules.json',
-	settings = 'settings.json'
-}
-
-export enum ServerTab {
-	statistics = 'statistics',
-	configuration = 'configuration',
-	assistRules = 'assistRules',
-	event = 'event',
-	eventRules = 'eventRules',
-	settings = 'settings'
-}
-
-export interface Configuration {
-	udpPort: number;
-	tcpPort: number;
-	maxConnections: number;
-	lanDiscovery: number;
-	registerToLobby: number;
-	configVersion: number;
-}
-
-export interface AssistRules {
-	stabilityControlLevelMax: number;
-	disableAutosteer: number;
-	disableAutoLights: number;
-	disableAutoWiper: number;
-	disableAutoEngineStart: number;
-	disableAutoPitLimiter: number;
-	disableAutoGear: number;
-	disableAutoClutch: number;
-	disableIdealLine: number;
-}
-
-export interface ServerSettings {
-	serverName: string;
-	adminPassword: string;
-	carGroup: string;
-	trackMedalsRequirement: number;
-	safetyRatingRequirement: number;
-	racecraftRatingRequirement: number;
-	password: string;
-	spectatorPassword: string;
-	maxCarSlots: number;
-	dumpLeaderboards: number;
-	isRaceLocked: number;
-	randomizeTrackWhenEmpty: number;
-	centralEntryListPath: string;
-	allowAutoDQ: number;
-	shortFormationLap: number;
-	formationLapType: number;
-	ignorePrematureDisconnects: number;
-}
-
-export interface Session {
-	hourOfDay: number;
-	dayOfWeekend: number;
-	timeMultiplier: number;
-	sessionType: string;
-	sessionDurationMinutes: number;
-}
-
-export interface EventConfig {
-	track: string;
-	preRaceWaitingTimeSeconds: number;
-	sessionOverTimeSeconds: number;
-	ambientTemp: number;
-	cloudLevel: number;
-	rain: number;
-	weatherRandomness: number;
-	postQualySeconds: number;
-	postRaceSeconds: number;
-	simracerWeatherConditions: number;
-	isFixedConditionQualification: number;
-	sessions: Session[];
-}
-
-export interface EventRules {
-	qualifyStandingType: number;
-	pitWindowLengthSec: number;
-	driverStintTimeSec: number;
-	mandatoryPitstopCount: number;
-	maxTotalDrivingTime: number;
-	isRefuellingAllowedInRace: boolean;
-	isRefuellingTimeFixed: boolean;
-	isMandatoryPitstopRefuellingRequired: boolean;
-	isMandatoryPitstopTyreChangeRequired: boolean;
-	isMandatoryPitstopSwapDriverRequired: boolean;
-	tyreSetCount: number;
-}
-
-export interface Configurations {
-	configuration: Configuration;
-	assistRules: AssistRules;
-	event: EventConfig;
-	eventRules: EventRules;
-	settings: ServerSettings;
-}
-
-export type Config = Configuration | AssistRules | EventConfig | EventRules | ServerSettings;

src/lib/types/lookups.ts

@@ -1,25 +0,0 @@
-export interface Track {
-	track: string;
-	uniquePitBoxes: number;
-	privateServerSlots: number;
-}
-
-export interface CarModel {
-	value: number;
-	carModel: string;
-}
-
-export interface DriverCategory {
-	value: number;
-	category: string;
-}
-
-export interface CupCategory {
-	value: number;
-	category: string;
-}
-
-export interface SessionType {
-	value: number;
-	sessionType: string;
-}

src/lib/types/statistics.ts

@@ -1,43 +0,0 @@
-export interface StateHistory {
-	dateCreated: string;
-	sessionStart: string;
-	playerCount: number;
-	track: string;
-	sessionDurationMinutes: number;
-	session: string;
-}
-
-interface SessionCount {
-	name: string;
-	count: number;
-}
-
-interface DailyActivity {
-	date: string;
-	sessionsCount: number;
-}
-
-interface PlayerCountPoint {
-	timestamp: string;
-	count: number;
-}
-
-interface RecentSession {
-	id: number;
-	date: string;
-	type: string;
-	track: string;
-	duration: number;
-	players: number;
-}
-
-export interface StateHistoryStats {
-	averagePlayers: number;
-	peakPlayers: number;
-	totalSessions: number;
-	totalPlaytime: number;
-	playerCountOverTime: PlayerCountPoint[];
-	sessionTypes: SessionCount[];
-	dailyActivity: DailyActivity[];
-	recentSessions: RecentSession[];
-}

src/lib/types/user.ts

@@ -1,28 +0,0 @@
-export interface Permission {
-	id: string;
-	name: string;
-}
-
-export interface Role {
-	id: string;
-	name: string;
-	permissions: Permission[];
-}
-
-export interface User {
-	id: string;
-	username: string;
-	role_id: string;
-	role: Role;
-}
-
-export function hasPermission(user: User | null, permission: string): boolean {
-	if (!user || !user.role || !user.role.permissions) {
-		return false;
-	}
-
-	if (user.role.name === 'Super Admin') {
-		return true;
-	}
-	return user.role.permissions.some((p) => p.name === permission);
-}

src/lib/websocket/client.ts

@@ -1,46 +1,9 @@
-export interface WebSocketMessage {
-	type: 'step' | 'steam_output' | 'error' | 'complete';
-	server_id: string;
-	timestamp: number;
-	data: StepData | SteamOutputData | ErrorData | CompleteData;
-}
-
-export interface StepData {
-	step:
-		| 'validation'
-		| 'directory_creation'
-		| 'steam_download'
-		| 'config_generation'
-		| 'service_creation'
-		| 'firewall_rules'
-		| 'database_save'
-		| 'completed';
-	status: 'pending' | 'in_progress' | 'completed' | 'failed';
-	message: string;
-	error: string;
-}
-
-export interface SteamOutputData {
-	output: string;
-	is_error: boolean;
-}
-
-export interface ErrorData {
-	error: string;
-	details: string;
-}
-
-export interface CompleteData {
-	server_id: string;
-	success: boolean;
-	message: string;
-}
-
-export type MessageHandler = (message: WebSocketMessage) => void;
-export type ConnectionStatusHandler = (
-	status: 'connecting' | 'connected' | 'disconnected' | 'error',
-	error?: string
-) => void;
+import {
+	webSocketMessageSchema,
+	type WebSocketMessage,
+	type MessageHandler,
+	type ConnectionStatusHandler
+} from '@/lib/schemas/websocket';
 
 export class WebSocketClient {
 	private ws: WebSocket | null = null;
@@ -89,7 +52,8 @@ export class WebSocketClient {
 
 				this.ws.onmessage = (event) => {
 					try {
-						const message: WebSocketMessage = JSON.parse(event.data);
+						const rawMessage: WebSocketMessage = JSON.parse(event.data);
+						const message = webSocketMessageSchema.parse(rawMessage);
 						this.messageHandlers.forEach((handler) => handler(message));
 					} catch (error) {
 						console.error('Failed to parse WebSocket message:', error);

src/lib/websocket/context.tsx

@@ -9,8 +9,9 @@ import {
 	useCallback,
 	useRef
 } from 'react';
-import { WebSocketClient, MessageHandler, ConnectionStatusHandler } from './client';
+import { WebSocketClient } from './client';
 import { websocketOptions } from './config';
+import type { ConnectionStatusHandler, MessageHandler } from '../schemas/websocket';
 
 interface WebSocketContextType {
 	client: WebSocketClient | null;