import type { ReferralFaxField, ReferralFaxLine, ReferralFaxReadField } from "../../../services/ReferralWorkbenchService";

export const FAX_FIELD_LABEL: Record<ReferralFaxField, string> = {
  patientName: "Patient name",
  patientBirthDate: "Date of birth",
  patientPhone: "Patient phone",
  patientAddress: "Patient address",
  patientInsurance: "Insurance",
  referringProvider: "Referring clinician",
  referringOrganization: "Referring practice",
  referringPhone: "Sender phone",
  referringFax: "Sender fax",
  requestedService: "Service asked for",
  reason: "Reason",
  diagnosis: "Diagnosis",
  urgency: "Urgency",
};

/** Patient values that can be searched; a value off a fax is a search term, never a match. */
export const SEARCHABLE: readonly ReferralFaxField[] = ["patientName", "patientBirthDate", "patientPhone"];

/** Shown to read against the fax; the referral does not keep them. */
export const SHOWN_ONLY: readonly ReferralFaxField[] = [
  "requestedService", "diagnosis", "urgency", "patientAddress", "patientInsurance", "referringPhone", "referringFax",
];

const quote = (text: string) => String.fromCharCode(8220) + text + String.fromCharCode(8221);

export const citedLine = (line: ReferralFaxLine) => "Page " + line.page + ", line " + line.line + ": " + quote(line.text);

/** The sender as one line, from the clinician and practice the fax names. */
export const senderFrom = (fields: Partial<Record<ReferralFaxField, ReferralFaxReadField>>) =>
  [fields.referringProvider?.value, fields.referringOrganization?.value].filter(Boolean).join(", ");

export const senderRead = (fields: Partial<Record<ReferralFaxField, ReferralFaxReadField>>) => {
  const parts = [fields.referringProvider, fields.referringOrganization].filter(Boolean) as ReferralFaxReadField[];
  return parts.length === 0 ? undefined : {
    value: senderFrom(fields),
    lines: parts.flatMap((part) => part.lines),
    uncertain: parts.some((part) => part.uncertain),
  };
};