import { api as client } from "../auth/http";

export type TradeDirection = "IMPORT" | "EXPORT" | "DOMESTIC";

export const ALL_TRADE_DIRECTIONS: TradeDirection[] = [
  "IMPORT",
  "EXPORT",
  "DOMESTIC",
];

export const TRADE_DIRECTION_LABELS: Record<TradeDirection, string> = {
  IMPORT: "Import",
  EXPORT: "Export",
  DOMESTIC: "Intercity",
};

export interface UserTradeAccessRow {
  userId: string;
  directions: TradeDirection[];
  updatedAt: string;
}

export interface MyTradeAccess {
  restricted: boolean;
  directions: TradeDirection[];
}

export interface StaffUser {
  id: string;
  /** Localized jsonb on iam.users — not a plain string. */
  name: { en?: string; am?: string } | null;
  username: string;
  email: string | null;
}

export const userTradeAccessService = {
  /**
   * Employees to assign scopes to. Served by the freight API rather than IAM's
   * `/users/filter`, which 400s on its own pagination params (its @Query() DTO
   * omits skip/take/orderBy while the global whitelist pipe rejects them).
   */
  employees: async (): Promise<{ items: StaffUser[] }> =>
    (
      await client.get("/staff/users", {
        params: { userType: "employee", pageSize: 100 },
      })
    ).data,

  /** All configured per-user scopes (admin only). */
  list: async (): Promise<UserTradeAccessRow[]> =>
    (await client.get("/user-trade-access")).data,

  /** Current user's effective scope. */
  me: async (): Promise<MyTradeAccess> =>
    (await client.get("/user-trade-access/me")).data,

  /** Set the directions a user may see (admin only). */
  set: async (
    userId: string,
    directions: TradeDirection[],
  ): Promise<UserTradeAccessRow> =>
    (await client.put(`/user-trade-access/${userId}`, { directions })).data,
};