"use server";

import { redirect } from "next/navigation";
import { revalidatePath } from "next/cache";
import { z } from "zod";
import { db } from "@/db";
import { clients, payments } from "@/db/schema";

const createClientSchema = z.object({
  name: z.string().min(1, "Nome richiesto"),
  brand_name: z.string().min(1, "Nome brand richiesto"),
  brief: z.string().min(1, "Brief richiesto"),
});

export async function createClient(formData: FormData) {
  const raw = {
    name: formData.get("name") as string,
    brand_name: formData.get("brand_name") as string,
    brief: formData.get("brief") as string,
  };

  const parsed = createClientSchema.safeParse(raw);
  if (!parsed.success) {
    // In v1 return errors as thrown string — form displays validation inline
    throw new Error(
      parsed.error.issues.map((i) => i.message).join(", ")
    );
  }

  // Insert client — token and id are auto-generated by $defaultFn(() => nanoid())
  const [newClient] = await db
    .insert(clients)
    .values({
      name: parsed.data.name,
      brand_name: parsed.data.brand_name,
      brief: parsed.data.brief,
    })
    .returning({ id: clients.id, token: clients.token });

  // Always create two payment stubs per client — Acconto 50% and Saldo 50%
  // Amounts default to 0 until admin sets accepted_total; admin updates separately
  await db.insert(payments).values([
    {
      client_id: newClient.id,
      label: "Acconto 50%",
      amount: "0",
      status: "da_saldare",
    },
    {
      client_id: newClient.id,
      label: "Saldo 50%",
      amount: "0",
      status: "da_saldare",
    },
  ]);

  revalidatePath("/admin");
  redirect(`/admin/clients/${newClient.id}`);
}