import type { PrismaScalarType } from './types';

export function extractFormData(
	formData: FormData,
	formFields: string[],
	fieldTypes: Record<string, PrismaScalarType>
): Record<string, unknown> {
	const data: Record<string, unknown> = {};

	for (const field of formFields) {
		const type = fieldTypes[field] ?? 'String';
		const raw = formData.get(field);

		switch (type) {
			case 'Int': {
				const val = raw?.toString() ?? '';
				data[field] = val === '' ? null : parseInt(val, 10);
				break;
			}
			case 'Float': {
				const val = raw?.toString() ?? '';
				data[field] = val === '' ? null : parseFloat(val);
				break;
			}
			case 'Boolean': {
				data[field] = raw === 'on' || raw === 'true';
				break;
			}
			case 'DateTime': {
				const val = raw?.toString() ?? '';
				data[field] = val === '' ? null : new Date(val);
				break;
			}
			case 'Tiptap': {
				data[field] = raw?.toString() ?? '';
				break;
			}
			default: {
				data[field] = raw?.toString() ?? '';
				break;
			}
		}
	}

	return data;
}