import type { PageServerLoad, Actions } from './$types';
import { db } from '$lib/server/db';
import { donations, pets } from '$lib/server/schema';
import { error, fail, redirect } from '@sveltejs/kit';
import { logAudit } from '$lib/server/audit';
import { hasPermission } from '$lib/roles';
import type { Role } from '$lib/roles';

export const load: PageServerLoad = async ({ locals }) => {
	if (!hasPermission(locals.user!.role as Role, 'donations')) error(403, 'Access denied');
	const petList = await db.select({ id: pets.id, name: pets.name }).from(pets).orderBy(pets.name);
	return { pets: petList };
};

export const actions: Actions = {
	default: async ({ request, locals }) => {
		if (!hasPermission(locals.user!.role as Role, 'donations')) error(403, 'Access denied');
		const fd = await request.formData();

		const source = fd.get('source')?.toString() ?? '';
		const amountStr = fd.get('amount')?.toString().trim() ?? '';
		const donorName = fd.get('donorName')?.toString().trim() || null;
		const donorEmail = fd.get('donorEmail')?.toString().trim() || null;
		const petId = fd.get('petId')?.toString() ? parseInt(fd.get('petId') as string, 10) : null;
		const isRecurring = fd.get('isRecurring') === 'on';
		const notes = fd.get('notes')?.toString().trim() || null;
		const purpose = fd.get('purpose')?.toString().trim() || null;

		const validSources = ['stripe', 'paypal', 'venmo', 'givebutter', 'cash', 'check', 'zelle', 'google_pay', 'square', 'other'];
		if (!validSources.includes(source)) {
			return fail(400, { error: 'Please select a valid source', values: Object.fromEntries(fd) });
		}

		const parsedAmount = parseFloat(amountStr);
		if (!amountStr || isNaN(parsedAmount) || parsedAmount <= 0) {
			return fail(400, { error: 'Amount must be a positive number', values: Object.fromEntries(fd) });
		}

		const amountCents = Math.round(parsedAmount * 100);

		const [result] = await db.insert(donations).values({
			source: source as typeof donations.source.enumValues[number],
			amount: amountCents,
			donorName,
			donorEmail,
			petId,
			isRecurring,
			notes,
			purpose
		});

		await logAudit({
			userId: locals.user!.id,
			action: 'create_donation',
			entity: 'donation',
			entityId: result.insertId,
			diff: { source, amount: parsedAmount, donorName }
		});

		redirect(303, '/admin/donations');
	}
};