import type { Location } from "@/domain/locations/types/location";
import type { CompDocSiteInfo } from "@/domain/work-orders/types/completion-doc";
import type { WorkOrderTableRow } from "@/domain/work-orders/types/work-order-table-row";
import {
  effectiveCompany,
  effectiveSite,
} from "@/domain/work-orders/utils/effective-completion-snapshot";

type CompDocAddress = Pick<
  CompDocSiteInfo,
  "street" | "city" | "state" | "zip" | "label" | "fullAddress"
>;

type CompDocIdentityRow = Pick<WorkOrderTableRow, "site" | "location" | "status" | "frozenSite"> &
  Partial<Pick<WorkOrderTableRow, "company" | "tech" | "techPhone" | "frozenCompany">>;

function buildLabel(city?: string, state?: string): string {
  return [city, state].filter(Boolean).join(", ");
}

function toCompDocAddress(
  street: string,
  city: string,
  state: string,
  zip: string,
): CompDocAddress {
  const label = buildLabel(city, state);
  const fullAddress = [street, label, zip].filter(Boolean).join(", ") || "—";
  return { street, city, state, zip, label, fullAddress };
}

function withCompDocIdentity(address: CompDocAddress, row: CompDocIdentityRow): CompDocSiteInfo {
  const frozen = effectiveSite(row);
  const company = effectiveCompany({
    status: row.status,
    company: row.company ?? "",
    tech: row.tech ?? "",
    techPhone: row.techPhone ?? "",
    frozenCompany: row.frozenCompany,
  });
  return {
    ...address,
    code: frozen?.code ?? row.site,
    tech: company.contactName ?? "",
    company: company.name ?? "",
  };
}

function resolveLiveLocationSite(location: Location): CompDocAddress {
  return toCompDocAddress(
    location.address ?? "",
    location.city ?? "",
    location.state ?? "",
    location.zipCode ?? "",
  );
}

function resolveRowLocationSite(row: Pick<WorkOrderTableRow, "location">): CompDocAddress {
  const locationParts = row.location.split(",").map((part) => part.trim());
  const city = locationParts[0] ?? "";
  const state = locationParts[1] ?? "";
  const label = buildLabel(city, state);
  const street = row.location && !label ? row.location : "";
  return toCompDocAddress(street, city, state, "");
}

export function resolveCompDocSite(
  row: CompDocIdentityRow,
  location?: Location | null,
): CompDocSiteInfo {
  const frozen = effectiveSite(row);
  if (frozen != null) {
    return withCompDocIdentity(
      toCompDocAddress(
        frozen.address ?? "",
        frozen.city ?? "",
        frozen.state ?? "",
        frozen.zip ?? "",
      ),
      row,
    );
  }
  if (location?.address || location?.city) {
    return withCompDocIdentity(resolveLiveLocationSite(location), row);
  }
  return withCompDocIdentity(resolveRowLocationSite(row), row);
}