// app/api/options/laser_source/route.ts
export const dynamic = "force-dynamic";

import { NextRequest, NextResponse } from "next/server";

const BASE = (
    process.env.DIRECTUS_URL || process.env.NEXT_PUBLIC_API_BASE_URL || ""
).replace(/\/$/, "");

function buildPath() {
    // This collection uses make/model (no `name` field)
    const url = new URL(`${BASE}/items/laser_source`);
    url.searchParams.set("fields", "id,make,model");
    url.searchParams.set("sort", "make,model");
    return String(url);
}

async function dFetch(bearer: string) {
    const res = await fetch(buildPath(), {
        headers: { Accept: "application/json", Authorization: `Bearer ${bearer}` },
        cache: "no-store",
    });
    const text = await res.text().catch(() => "");
    let json: any = null;
    try {
        json = text ? JSON.parse(text) : null;
    } catch {}
    return { res, json, text };
}

export async function GET(req: NextRequest) {
    try {
        const userAt = req.cookies.get("ma_at")?.value;
        if (!userAt) {
            return NextResponse.json({ error: "Not authenticated" }, { status: 401 });
        }

        const r = await dFetch(userAt);
        if (!r.res.ok) {
            return NextResponse.json(
                { error: `Directus ${r.res.status}: ${r.text || r.res.statusText}` },
                { status: r.res.status }
            );
        }

        const rows: Array<{ id: string | number; make?: string; model?: string }> =
        r.json?.data ?? [];

        // Compose human label from make + model
        const data = rows.map(({ id, make, model }) => {
            const label = [make, model].filter(Boolean).join(" ");
            return { id, name: label, label };
        });

        return NextResponse.json({ data });
    } catch (e: any) {
        return NextResponse.json(
            { error: e?.message || "Failed to load laser sources" },
            { status: 500 }
        );
    }
}