import { api as client } from "../auth/http";
import { unwrap } from "@/utils/endpoint";
import { URL_CONSTANTS } from "@/constants/URLS";

const A = URL_CONSTANTS.AUDIT;

// Shape from @tria-plc/auditlog's AuditLogCommandController — see
// local-packages/FRONTEND_GUIDE.md.
export type AuditQueryMethod =
  | "INSERT"
  | "UPDATE"
  | "DELETE"
  | "INSERT_CHILD"
  | "DELETE_CHILD";

export interface AuditFieldChange {
  field: string;
  from: unknown;
  to: unknown;
}

// IAM entities (users, orgs, positions, ...) name themselves bilingually —
// see edr-org.seeder.ts. Any `name`/`title` field lifted from a raw audited
// entity (auditLog.user, payload) can come back as either a plain string or
// this shape; both `name` fields below reflect that.
export type LocalizedText = string | { am?: string; en?: string };

// The vendored interceptor's own broken template produces a plain string
// ("undefined  undefined") when no user was attached at all (unauthenticated/
// customer flows) — that's the non-bilingual string case for `name` here.
export interface AuditUser {
  id?: string;
  name?: LocalizedText;
  organizationId?: string;
  organizationName?: string;
  [key: string]: unknown;
}

export interface AuditLogRow {
  id?: string;
  createdAt: string;
  deletedAt?: string | null;
  entityName: string;
  queryMethod: AuditQueryMethod;
  changes?: AuditFieldChange[] | null;
  payload?: { name?: LocalizedText; title?: LocalizedText; id?: string } | null;
  auditLog?: { id?: string; user?: AuditUser | null };
}

export interface AuditLogListFilter {
  skip?: number;
  take?: number;
}

export interface PaginatedAuditLogs {
  items: AuditLogRow[];
  count: number;
}

export const auditService = {
  list: async (filter?: AuditLogListFilter): Promise<PaginatedAuditLogs> => {
    const params: Record<string, number | undefined> = {
      skip: filter?.skip,
      take: filter?.take,
    };
    const response = await client.get<PaginatedAuditLogs>(A.LOGS, { params });
    const data = unwrap(response.data) as PaginatedAuditLogs;
    return { items: data.items ?? [], count: data.count ?? 0 };
  },
};