feature/app-selector

frontend/src/lib/stores/system.svelte.ts

@@ -0,0 +1,70 @@
+export type SystemType = 'fixed_asset' | 'inventory';
+
+export const SYSTEM_LABELS: Record<SystemType, { name: string; code: string }> = {
+	fixed_asset: { name: 'Módulo de Activo Fijo', code: 'SCAF' },
+	inventory: { name: 'Módulo Control de Inventarios', code: 'SCAII' },
+};
+
+const VALID_SYSTEMS = new Set<string>(['fixed_asset', 'inventory']);
+
+class SystemStore {
+	_activeSystem = $state<SystemType | null>(null);
+	_allowedSystems = $state<SystemType[]>([]);
+	_switching = $state(false);
+
+	get activeSystem() {
+		return this._activeSystem;
+	}
+	get allowedSystems() {
+		return this._allowedSystems;
+	}
+	get canSwitch() {
+		return this._allowedSystems.length > 1;
+	}
+	get switching() {
+		return this._switching;
+	}
+	get activeLabel() {
+		return this._activeSystem ? SYSTEM_LABELS[this._activeSystem] : null;
+	}
+
+	initialize(allowedSystems: SystemType[], cookieValue: string | null) {
+		this._allowedSystems = allowedSystems;
+		if (cookieValue && VALID_SYSTEMS.has(cookieValue) && allowedSystems.includes(cookieValue as SystemType)) {
+			this._activeSystem = cookieValue as SystemType;
+		} else if (allowedSystems.length === 1) {
+			this._activeSystem = allowedSystems[0];
+		} else {
+			this._activeSystem = null;
+		}
+	}
+
+	async setActiveSystem(system: SystemType): Promise<boolean> {
+		if (!this._allowedSystems.includes(system) || this._switching) return false;
+		this._switching = true;
+		try {
+			const res = await fetch('/api-sveltekit/system/set-active', {
+				method: 'POST',
+				headers: { 'Content-Type': 'application/json' },
+				body: JSON.stringify({ system }),
+				credentials: 'include',
+			});
+			if (res.ok) {
+				this._activeSystem = system;
+				return true;
+			}
+			return false;
+		} catch {
+			return false;
+		} finally {
+			this._switching = false;
+		}
+	}
+
+	clear() {
+		this._activeSystem = null;
+		this._allowedSystems = [];
+	}
+}
+
+export const systemStore = new SystemStore();