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* Global application Zustand store.
* Manages auth state, portal tabs, toasts, and loader.
*/
import type {ReactNode} from 'react';
import {create} from 'zustand';
import type {ActionRegistry, IBlongError} from '../types/action.js';
import type {IAuthState, IUserProfile, PermissionMap} from '../types/permission.js';
import type {IPortalConfig, IPortalState, ITab} from '../types/portal.js';
/** Toast notification */
export interface IToast {
id: string;
severity: 'success' | 'info' | 'warn' | 'error';
summary?: string;
detail?: ReactNode;
life?: number;
}
/** Translation dictionary */
export type TranslationDict = Record<string, string>;
/** Inline hint shown near a button (success or error feedback) */
export interface IHint {
target: HTMLElement | null;
message: string;
error: boolean;
}
/**
* The user's explicit theme choice (set by the theme switcher). Undefined
* fields mean "not chosen" — the Theme component then derives them from the
* `IThemeConfig` prop. Persisted to `localStorage` so the choice survives a
* reload.
*/
export interface IThemeSelection {
/** Selected theme-option id (e.g. `lara-blue`, `glass`). */
themeId?: string;
/** Selected palette for themes that offer both light and dark variants. */
palette?: 'light' | 'dark';
}
const THEME_STORAGE_KEY = 'blong.theme';
function readThemeSelection(): IThemeSelection {
Iif (typeof localStorage === 'undefined') return {};
try {
const raw = localStorage.getItem(THEME_STORAGE_KEY);
Eif (!raw) return {};
const parsed = JSON.parse(raw) as {themeId?: unknown; palette?: unknown};
const selection: IThemeSelection = {};
if (typeof parsed.themeId === 'string') selection.themeId = parsed.themeId;
if (parsed.palette === 'light' || parsed.palette === 'dark') selection.palette = parsed.palette;
return selection;
} catch {
return {};
}
}
function writeThemeSelection(selection: IThemeSelection): void {
Iif (typeof localStorage === 'undefined') return;
try {
Iif (!selection.themeId && !selection.palette) {
localStorage.removeItem(THEME_STORAGE_KEY);
} else {
localStorage.setItem(THEME_STORAGE_KEY, JSON.stringify(selection));
}
} catch {
// Ignore storage failures (private mode, quota, …).
}
}
/** Complete app state */
export interface IAppState {
auth: IAuthState;
portal: IPortalState;
toasts: IToast[];
loader: {active: boolean; message?: string; count: number};
translations: TranslationDict;
/**
* Per-language dictionaries registered by the app via
* `setTranslationsByLanguage`. When non-empty, `setLanguage` swaps the
* active `translations` table to the matching language's dictionary
* (English falls back to an empty dict = English strings).
*/
translationsByLanguage: Record<string, TranslationDict>;
language: string;
actions: ActionRegistry;
error: IBlongError | null;
hint: IHint | null;
/** Explicit theme choice made via the theme switcher (see IThemeSelection). */
theme: IThemeSelection;
/**
* When true, the login popup is shown — set when an operation hits an
* expired/invalid session (401) and the client-side token renewal failed.
* The user logs in via the popup and re-invokes the operation.
*/
loginPrompt: boolean;
}
/** App store actions */
export interface IAppActions {
// Auth
setToken: (token: string | null) => void;
setProfile: (profile: IUserProfile | null) => void;
setPermissions: (permissions: PermissionMap) => void;
logout: () => void;
// Portal
openTab: (tab: ITab) => void;
closeTab: (id: string) => void;
setActiveTab: (id: string | null) => void;
setTabDirty: (id: string, dirty: boolean) => void;
setTabTitle: (id: string, title: string) => void;
updateTabComponent: (
id: string,
component: React.ComponentType<Record<string, unknown>>,
) => void;
setPortalConfig: (config: IPortalConfig | null) => void;
// Toasts
showToast: (toast: Omit<IToast, 'id'>) => void;
clearToast: (id: string) => void;
clearAllToasts: () => void;
// Loader
setLoading: (active: boolean, message?: string) => void;
// Translations
setTranslations: (dict: TranslationDict) => void;
setTranslationsByLanguage: (dicts: Record<string, TranslationDict>) => void;
setLanguage: (language: string) => void;
// Actions registry
registerActions: (actions: ActionRegistry) => void;
// Error
showError: (error: IBlongError) => void;
clearError: () => void;
// Theme
/** Replace the explicit theme selection (persisted to localStorage). */
setTheme: (selection: IThemeSelection) => void;
// Login prompt
setLoginPrompt: (visible: boolean) => void;
// Hint
showHint: (target: HTMLElement | null, message: string, error: boolean) => void;
clearHint: () => void;
}
const initialAuth: IAuthState = {
token: null,
profile: null,
permissions: {},
isAuthenticated: false,
};
const initialPortal: IPortalState = {
tabs: [],
activeTabId: null,
portalConfig: null,
};
let toastIdCounter = 0;
export const useAppStore = create<IAppState & IAppActions>((set, get) => ({
auth: initialAuth,
portal: initialPortal,
toasts: [],
loader: {active: false, count: 0},
translations: {},
translationsByLanguage: {},
language: 'en',
actions: {},
error: null,
hint: null,
theme: readThemeSelection(),
loginPrompt: false,
// Auth actions
setToken: token =>
set(state => ({
auth: {...state.auth, token, isAuthenticated: token != null},
})),
setProfile: profile =>
set(state => ({
auth: {...state.auth, profile},
})),
setPermissions: permissions =>
set(state => ({
auth: {...state.auth, permissions},
})),
logout: () =>
set({
auth: initialAuth,
portal: initialPortal,
toasts: [],
}),
// Portal actions
openTab: tab =>
set(state => {
// Navigate to existing tab with same action+params instead of duplicating
const existing = state.portal.tabs.find(
t =>
t.actionName === tab.actionName &&
JSON.stringify(t.params) === JSON.stringify(tab.params),
);
if (existing) {
return {portal: {...state.portal, activeTabId: existing.id}};
}
return {
portal: {
...state.portal,
tabs: [...state.portal.tabs, tab],
activeTabId: tab.id,
},
};
}),
closeTab: id =>
set(state => {
const tabs = state.portal.tabs.filter(t => t.id !== id);
const activeTabId =
state.portal.activeTabId === id
? (tabs[tabs.length - 1]?.id ?? null)
: state.portal.activeTabId;
return {portal: {...state.portal, tabs, activeTabId}};
}),
setActiveTab: id => set(state => ({portal: {...state.portal, activeTabId: id}})),
setTabDirty: (id, dirty) =>
set(state => ({
portal: {
...state.portal,
tabs: state.portal.tabs.map(t => (t.id === id ? {...t, dirty} : t)),
},
})),
setTabTitle: (id, title) =>
set(state => ({
portal: {
...state.portal,
tabs: state.portal.tabs.map(t => (t.id === id ? {...t, title} : t)),
},
})),
updateTabComponent: (id, component) =>
set(state => ({
portal: {
...state.portal,
tabs: state.portal.tabs.map(t => (t.id === id ? {...t, component} : t)),
},
})),
setPortalConfig: config => set(state => ({portal: {...state.portal, portalConfig: config}})),
// Toast actions
showToast: toast => {
const id = String(++toastIdCounter);
// Mirror error toasts to the browser console so agents and Playwright
// tests can observe them via page.on('console') even when a transient
// toast is missed by screenshot assertions.
if (toast.severity === 'error') {
console.error('[blong] error toast', toast.summary ?? '', toast.detail ?? '');
}
set(state => ({toasts: [...state.toasts, {...toast, id}]}));
// Auto-dismiss
const life = toast.life ?? (toast.severity === 'error' ? 8000 : 4000);
setTimeout(() => get().clearToast(id), life);
},
clearToast: id => set(state => ({toasts: state.toasts.filter(t => t.id !== id)})),
clearAllToasts: () => set({toasts: []}),
// Loader actions
setLoading: (active, message) =>
set(state => {
const count = state.loader.count + (active ? 1 : -1);
return {loader: {active: count > 0, message, count: Math.max(0, count)}};
}),
// Translations
setTranslations: dict => set({translations: dict}),
setTranslationsByLanguage: dicts =>
set(state => ({
translationsByLanguage: dicts,
// Re-apply the current language's dictionary immediately so the UI
// reflects it even if the language was set before the dicts loaded.
translations:
Object.keys(dicts).length > 0
? (dicts[state.language] ?? {})
: state.translations,
})),
setLanguage: language =>
set(state => ({
language,
// When the app registered per-language dictionaries, switching the
// language also swaps the active translation table (English = {}).
translations:
Object.keys(state.translationsByLanguage).length > 0
? (state.translationsByLanguage[language] ?? {})
: state.translations,
})),
// Actions registry
registerActions: actions => set(state => ({actions: {...state.actions, ...actions}})),
// Error
showError: error => {
// Mirror the error popup (ErrorDialog) to the browser console so agents
// and Playwright tests can observe it via page.on('console').
console.error('[blong] error dialog', error.type, error.print ?? error.message, error);
set({error});
},
clearError: () => set({error: null}),
// Theme
setTheme: selection => {
writeThemeSelection(selection);
set({theme: selection});
},
// Login prompt
setLoginPrompt: visible => set({loginPrompt: visible}),
// Hint
showHint: (target, message, error) => set({hint: {target, message, error}}),
clearHint: () => set({hint: null}),
}));
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