// app/api/branches/[branch]/[year]/[month]/days/route.js
import { NextResponse } from "next/server";
import { listDays } from "@/lib/storage";

/**
 * GET /api/branches/[branch]/[year]/[month]/days
 *
 * Returns the list of day folders for a given branch, year, and month.
 * Example: /api/branches/NL01/2024/10/days → { days: ["01", "02", ...] }
 */
export async function GET(request, ctx) {
	const { branch, year, month } = await ctx.params;
	console.log("[/api/branches/[branch]/[year]/[month]/days] params:", {
		branch,
		year,
		month,
	});

	if (!branch || !year || !month) {
		return NextResponse.json(
			{ error: "branch, year oder month fehlt" },
			{ status: 400 }
		);
	}

	try {
		const days = await listDays(branch, year, month);

		return NextResponse.json({ branch, year, month, days });
	} catch (error) {
		console.error("[/api/branches/[branch]/[year]/[month]/days] Error:", error);

		return NextResponse.json(
			{ error: "Fehler beim Lesen der Tage: " + error.message },
			{ status: 500 }
		);
	}
}