#61

src/app/services/user-input-service.ts

@@ -1,11 +1,67 @@
 import { Injectable, signal } from '@angular/core';
 import { SelectableDayType, VacDay } from './calendar-service';
 import dayjs from 'dayjs';
+import {
+	DeclaredNonWorkingDay,
+	isWorkingPlanningDate,
+	parseDeclaredDays,
+} from './declared-non-working-days';
+import type { LeaveType } from './leave-planner.service';
 
 @Injectable({
 	providedIn: 'root',
 })
 export class UserInputService {
+	private readonly declaredDays = signal(this.restoreDeclaredDays());
+	readonly declaredDaysSignal = this.declaredDays.asReadonly();
+	readonly declarationEntrySignal = signal(false);
+	readonly declaredTypeSignal = signal<LeaveType | null>('cp');
+
+	private restoreDeclaredDays(): DeclaredNonWorkingDay[] {
+		try {
+			const saved =
+				typeof localStorage === 'undefined'
+					? null
+					: localStorage.getItem('declaredNonWorkingDays');
+			return saved === null ? [] : parseDeclaredDays(JSON.parse(saved));
+		} catch (error) {
+			console.warn('Failed to restore declared non-working days from localStorage.', error);
+			try {
+				localStorage.removeItem('declaredNonWorkingDays');
+			} catch {
+				// Browser storage can be unavailable; keep calendar entry usable.
+			}
+			return [];
+		}
+	}
+
+	toggleDeclaredDay(date: string, type: LeaveType): void {
+		this.toggleDeclaredDays([date], type);
+	}
+
+	toggleDeclaredDays(dates: readonly string[], type: LeaveType | null): void {
+		const workingDates = new Set(dates.filter(isWorkingPlanningDate));
+		if (!workingDates.size) return;
+		this.declaredDays.update((days) => {
+			const existing = new Map(days.map((day) => [day.date, day.type]));
+			const others = days.filter((day) => !workingDates.has(day.date));
+			return [
+				...others,
+				...(type
+					? [...workingDates]
+							.filter((date) => existing.get(date) !== type)
+							.map((date) => ({ date, type }))
+					: []),
+			].sort((a, b) => a.date.localeCompare(b.date));
+		});
+		try {
+			if (typeof localStorage !== 'undefined')
+				localStorage.setItem('declaredNonWorkingDays', JSON.stringify(this.declaredDays()));
+		} catch (error) {
+			console.warn('Failed to save declared non-working days to localStorage.', error);
+		}
+	}
+
 	private restoreDate(value: unknown): Date {
 		if (typeof value === 'string' && /^\d{4}-\d{2}-\d{2}$/.test(value)) {
 			const date = new Date(`${value}T00:00:00`);