import { queryOptions } from "@tanstack/react-query";
import { jsonQuery, paginatedJsonQuery } from "../apiAdapter";

export interface ItemTemplate {
  id: number;
  name: string;
  description: string;
  default_price: number;
  category: string;
}

export interface ScopeSection {
  _key: string;
  title: string;
  title_cz: string;
  content: string;
}

export interface ScopeTemplate {
  id: number;
  name: string;
  description?: string;
  scope_template_sections?: ScopeSection[];
}

export interface CustomField {
  name: string;
  value: string;
  showLabel: boolean;
  _key?: string;
}

export interface Customer {
  id: number;
  name: string;
  street?: string;
  city?: string;
  postal_code?: string;
  country?: string;
  company_id?: string;
  vat_id?: string;
  quotation_count: number;
  custom_fields?: CustomField[];
  customer_field_order?: string[];
}

export const offerCustomersOptions = () =>
  queryOptions({
    queryKey: ["offer-customers"],
    queryFn: () => jsonQuery<Customer[]>("/api/admin/customers"),
    staleTime: 2 * 60_000,
  });

export const itemTemplatesOptions = () =>
  queryOptions({
    queryKey: ["offer-templates", "items"],
    queryFn: () =>
      jsonQuery<ItemTemplate[]>("/api/admin/offers-templates?action=items"),
  });

export const scopeTemplatesOptions = () =>
  queryOptions({
    queryKey: ["offer-templates", "scopes"],
    queryFn: () => jsonQuery<ScopeTemplate[]>("/api/admin/offers-templates"),
  });

export const offerListOptions = (filters: {
  search?: string;
  sort?: string;
  order?: string;
  page?: number;
  perPage?: number;
}) =>
  queryOptions({
    queryKey: ["offers", "list", filters],
    queryFn: () => {
      const params = new URLSearchParams();
      if (filters.search) params.set("search", filters.search);
      if (filters.sort) params.set("sort", filters.sort);
      if (filters.order) params.set("order", filters.order);
      if (filters.page) params.set("page", String(filters.page));
      if (filters.perPage) params.set("per_page", String(filters.perPage));
      const qs = params.toString();
      return paginatedJsonQuery(`/api/admin/offers${qs ? `?${qs}` : ""}`);
    },
  });

export interface OfferItemData {
  id?: number;
  description: string;
  item_description: string;
  quantity: number;
  unit: string;
  unit_price: number;
  is_included_in_total: boolean;
  position?: number;
}

export interface OfferSectionData {
  title: string;
  title_cz: string;
  content: string;
  position?: number;
}

export interface OfferLockInfo {
  user_id: number;
  username: string;
  full_name: string;
}

export interface OfferOrderInfo {
  id: number;
  order_number: string;
  status?: string;
}

export interface OfferDetailData {
  id: number;
  quotation_number: string;
  project_code: string;
  customer_id: number | null;
  customer_name: string;
  created_at: string;
  valid_until: string;
  currency: string;
  language: string;
  vat_rate: number;
  apply_vat: boolean;
  exchange_rate: string;
  scope_title: string;
  scope_description: string;
  items?: OfferItemData[];
  sections?: OfferSectionData[];
  status: string;
  order: OfferOrderInfo | null;
  locked_by: OfferLockInfo | null;
}

export const offerDetailOptions = (id: string | undefined) =>
  queryOptions({
    queryKey: ["offers", id],
    queryFn: () => jsonQuery<OfferDetailData>(`/api/admin/offers/${id}`),
    enabled: !!id,
  });

export const offerNextNumberOptions = () =>
  queryOptions({
    queryKey: ["offers", "next-number"],
    queryFn: () =>
      jsonQuery<{ next_number?: string; number?: string }>(
        "/api/admin/offers/next-number",
      ),
  });