"use server";

import { revalidatePath } from "next/cache";
import { z } from "zod";
import { tr } from "@/i18n/tr";
import { fail, type ActionResult } from "@/lib/action-result";
import { getHouseholdActionContext } from "@/lib/dal";
import { accountFormSchema } from "@/shared/schemas/account";
import { createAccount, reorderAccount, setAccountArchived, updateAccount } from "./service";

const PATH = "/hesaplar";
const idSchema = z.string().regex(/^[a-f0-9]{24}$/i);

/** zod hatalarını alan bazlı mesajlara çevirir (formda gösterilir). */
function fieldErrors(error: z.ZodError) {
  const out: Record<string, string> = {};
  for (const issue of error.issues) {
    const key = String(issue.path[0] ?? "");
    if (key && !out[key]) out[key] = issue.message;
  }
  return out;
}

export async function createAccountAction(input: unknown): Promise<ActionResult<{ id: string }>> {
  const ctx = await getHouseholdActionContext("owner");
  if (!ctx) return fail(tr.common.unauthorized);
  const parsed = accountFormSchema.safeParse(input);
  if (!parsed.success) return fail(tr.adminUsers.errors.checkFields, fieldErrors(parsed.error));
  const result = await createAccount(ctx.user.id, ctx.household.id, parsed.data);
  if (result.ok) revalidatePath("/", "layout");
  return result;
}

export async function updateAccountAction(
  accountId: unknown,
  input: unknown,
): Promise<ActionResult> {
  const ctx = await getHouseholdActionContext("owner");
  if (!ctx) return fail(tr.common.unauthorized);
  const id = idSchema.safeParse(accountId);
  const parsed = accountFormSchema.safeParse(input);
  if (!id.success) return fail(tr.common.notFound);
  if (!parsed.success) return fail(tr.adminUsers.errors.checkFields, fieldErrors(parsed.error));
  const result = await updateAccount(ctx.user.id, ctx.household.id, id.data, parsed.data);
  if (result.ok) revalidatePath("/", "layout");
  return result;
}

export async function setAccountArchivedAction(
  accountId: unknown,
  archived: unknown,
): Promise<ActionResult> {
  const ctx = await getHouseholdActionContext("owner");
  if (!ctx) return fail(tr.common.unauthorized);
  const id = idSchema.safeParse(accountId);
  const a = z.boolean().safeParse(archived);
  if (!id.success || !a.success) return fail(tr.common.genericError);
  const result = await setAccountArchived(ctx.user.id, ctx.household.id, id.data, a.data);
  if (result.ok) revalidatePath(PATH);
  return result;
}

export async function reorderAccountAction(
  accountId: unknown,
  direction: unknown,
): Promise<ActionResult> {
  const ctx = await getHouseholdActionContext("owner");
  if (!ctx) return fail(tr.common.unauthorized);
  const id = idSchema.safeParse(accountId);
  const dir = z.enum(["up", "down"]).safeParse(direction);
  if (!id.success || !dir.success) return fail(tr.common.genericError);
  const result = await reorderAccount(ctx.user.id, ctx.household.id, id.data, dir.data);
  if (result.ok) revalidatePath(PATH);
  return result;
}