// @flow

import data, {
  type Patient as BasePatient,
  type Reading as BaseReading,
} from "./data.json";

export type Reading = $Diff<BaseReading, { timestamp: string }> & {
  timestamp: number,
};
export type Patient = ($Diff<BasePatient, { readings: BaseReading[] }> & {
  title: string,
  readings: Reading[],
});

const patients : Patient = data.patients.map(p => ({
  ...p,
  title: `${p.mrn} / ${p.sex}`,
  readings: p.readings.map(r => ({
    ...r,
    timestamp: Date.parse(r.timestamp),
  })),
}));

const readings = patients.reduce(
  (acc, { readings, ...p }) => [...acc, ...readings.map(r => ({ ...r, ...p }))],
  [],
);

export { patients, readings };