import type { WorkOrderBoardCreatePayload } from "@/domain/work-orders/types/work-order-board";
import type { WorkOrderWizardDraft } from "@/domain/work-orders/types/work-order-wizard";

function trimOrUndefined(value: string | undefined): string | undefined {
  const trimmed = value?.trim();

  return trimmed ? trimmed : undefined;
}

function normalizeExtraServices(
  primary: string | undefined,
  extras: string[],
): string[] | undefined {
  if (extras.length === 0) {
    return undefined;
  }

  const seen = new Set<string>();

  const primaryKey = primary?.toLowerCase() ?? "";

  const out: string[] = [];

  for (const raw of extras) {
    const trimmed = raw.trim();

    if (!trimmed) {
      continue;
    }

    const key = trimmed.toLowerCase();

    if (key === primaryKey || seen.has(key)) {
      continue;
    }

    seen.add(key);

    out.push(trimmed);
  }

  return out.length > 0 ? out : undefined;
}

/** Mutates `payload` with primary/extra services, service notes, POC, tech phone, and vendor notes. */
export function assignWizardServicePocFields(
  payload: WorkOrderBoardCreatePayload,
  draft: WorkOrderWizardDraft,
): void {
  const primaryService = trimOrUndefined(draft.pm);

  if (primaryService) {
    payload.primaryService = primaryService;
  }

  const extraServices = normalizeExtraServices(primaryService, draft.extraServices);

  if (extraServices) {
    payload.extraServices = extraServices;
  }

  const serviceNotes = trimOrUndefined(draft.pmNote);

  if (serviceNotes) {
    payload.serviceNotes = serviceNotes;
  }

  const pocName = trimOrUndefined(draft.pocName);

  if (pocName) {
    payload.pocName = pocName;
  }

  const pocPhone = trimOrUndefined(draft.pocPhone);

  if (pocPhone) {
    payload.pocPhone = pocPhone;
  }

  const pocNotes = trimOrUndefined(draft.pocNotes);

  if (pocNotes) {
    payload.pocNotes = pocNotes;
  }

  const techPhone = trimOrUndefined(draft.techPhone);

  if (techPhone) {
    payload.techPhone = techPhone;
  }

  const vendorNotes = trimOrUndefined(draft.vendorNotes);

  if (vendorNotes) {
    payload.vendorNotes = vendorNotes;
  }
}