import { createHash } from "node:crypto";
import type {
  AddressLookupInput,
  MothershipAddressCandidate,
} from "@/modules/address/types";

function optionId(label: string): string {
  return `ms_${createHash("sha256").update(label).digest("hex").slice(0, 16)}`;
}

function candidate(
  displayLabel: string,
  street: string,
  city: string,
  state: string,
  zip: string,
): MothershipAddressCandidate {
  return {
    option_id: optionId(displayLabel),
    display_label: displayLabel,
    formatted_address: `${street}, ${city}, ${state}, USA`,
    street,
    city,
    state,
    zip,
  };
}

/** 演示/联调：MotherShip 同邮编多精确坐标（禁止 RPA 自动择一） */
export function listMockMothershipCandidates(
  input: AddressLookupInput,
): MothershipAddressCandidate[] {
  const zip = input.zip.trim();
  const street = input.street.trim().toLowerCase();

  if (zip === "90001" || street.includes("warehouse")) {
    return [
      candidate(
        "1234 Warehouse Street, Los Angeles, CA",
        "1234 Warehouse Street",
        "Los Angeles",
        "CA",
        "90001",
      ),
      candidate(
        "1234 Warehouse Blvd, Los Angeles, CA",
        "1234 Warehouse Blvd",
        "Los Angeles",
        "CA",
        "90001",
      ),
      candidate(
        "1234 S Warehouse St, Los Angeles, CA",
        "1234 S Warehouse St",
        "Los Angeles",
        "CA",
        "90001",
      ),
    ];
  }

  if (zip === "75201" || street.includes("distribution")) {
    return [
      candidate(
        "5678 Distribution Dr, Dallas, TX",
        "5678 Distribution Dr",
        "Dallas",
        "TX",
        "75201",
      ),
      candidate(
        "5678 Distribution Dr, Eagle Pass, TX",
        "5678 Distribution Dr",
        "Eagle Pass",
        "TX",
        "75201",
      ),
      candidate(
        "5678 Distribution Drive, Dallas, TX",
        "5678 Distribution Drive",
        "Dallas",
        "TX",
        "75201",
      ),
      candidate(
        "5678 Distribution Dr Ste 100, Dallas, TX",
        "5678 Distribution Dr Ste 100",
        "Dallas",
        "TX",
        "75201",
      ),
    ];
  }

  const display = `${input.street}, ${input.city}, ${input.state}`;
  return [
    candidate(display, input.street, input.city, input.state, input.zip),
  ];
}