import Database from "better-sqlite3";

const DB_PATH = "./src/data/ServicesRange.db";

export async function GET() {
  const db = new Database(DB_PATH, { readonly: true });

  try {
    const addonsRows = db
      .prepare(
        `
        SELECT id, name, type, description
        FROM internet_addons
        ORDER BY id
      `
      )
      .all();

    const optionsRows = db
      .prepare(
        `
        SELECT id, addon_id, code, name, price
        FROM internet_addon_options
        ORDER BY addon_id, id
      `
      )
      .all();

    const byAddon = new Map();

    for (const addon of addonsRows) {
      byAddon.set(addon.id, {
        id: addon.id,
        name: addon.name,
        type: addon.type, // 'checkbox' / 'select'
        description: addon.description || "",
        options: [],
      });
    }

    for (const opt of optionsRows) {
      const parent = byAddon.get(opt.addon_id);
      if (!parent) continue;
      parent.options.push({
        id: opt.id,
        code: opt.code,
        name: opt.name,
        price: opt.price,
      });
    }

    const data = Array.from(byAddon.values());

    return new Response(
      JSON.stringify({
        ok: true,
        count: data.length,
        data,
      }),
      {
        status: 200,
        headers: {
          "Content-Type": "application/json; charset=utf-8",
        },
      }
    );
  } catch (err) {
    console.error("❌ Błąd w /api/internet/addons:", err);
    return new Response(
      JSON.stringify({
        ok: false,
        error: err.message || "DB_ERROR",
      }),
      {
        status: 500,
        headers: { "Content-Type": "application/json" },
      }
    );
  } finally {
    db.close();
  }
}