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path: root/src/lib/server/services/validation.ts
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import { parseIntervalToDays } from '$lib/shared/routine-metrics';
import * as v from 'valibot';

export const IdSchema = v.pipe(v.number(), v.integer(), v.minValue(1));

export const AddGrocerySchema = v.object({
	name: v.pipe(v.string(), v.minLength(1)),
	categoryId: v.nullable(v.pipe(v.number(), v.integer(), v.minValue(1))),
});

export const AddReferenceSchema = v.object({
	reference: v.pipe(v.string(), v.minLength(1)),
	price: v.nullable(v.pipe(v.number(), v.minValue(0))),
	unit: v.nullable(v.string()),
	qualityScore: v.nullable(
		v.pipe(v.number(), v.integer(), v.minValue(0), v.maxValue(100)),
	),
});

export function numericId(
	value: FormDataEntryValue | null | undefined,
): number {
	const str = value?.toString().trim() ?? '';
	const n = Number(str);
	if (!Number.isFinite(n) || n <= 0 || !Number.isInteger(n)) {
		throw new Error('Invalid id');
	}
	return n;
}

export function parseFormString(
	value: FormDataEntryValue | null | undefined,
): string | null {
	const str = value?.toString().trim() ?? '';
	return str || null;
}

export function parseOptionalNumber(
	value: FormDataEntryValue | null | undefined,
): number | null {
	const str = value?.toString().trim() ?? '';
	if (!str) return null;
	const n = Number(str);
	if (!Number.isFinite(n)) return null;
	return n;
}

/** Parses an interval like '2w' into days; throws on invalid format. */
export function parseFrequencyDays(value: FormDataEntryValue | null): number {
	const days = parseIntervalToDays(value?.toString() ?? '');
	if (days === null) {
		throw new Error('Invalid interval');
	}
	return days;
}