import { sql } from 'drizzle-orm';
import { businesses, commercials, users } from './drizzle/schema';
export const EARTH_RADIUS_KM = 6371; // Erdradius in Kilometern
export const EARTH_RADIUS_MILES = 3959; // Erdradius in Meilen
export function convertStringToNullUndefined(value) {
  // Konvertiert den Wert zu Kleinbuchstaben für eine case-insensitive Überprüfung
  const lowerCaseValue = typeof value === 'boolean' ? value : value?.toLowerCase();

  if (lowerCaseValue === 'null') {
    return null;
  } else if (lowerCaseValue === 'undefined') {
    return undefined;
  }

  // Gibt den Originalwert zurück, wenn es sich nicht um 'null' oder 'undefined' handelt
  return value;
}

export const getDistanceQuery = (schema: typeof businesses | typeof commercials | typeof users, lat: number, lon: number, unit: 'km' | 'miles' = 'miles') => {
  const radius = unit === 'km' ? EARTH_RADIUS_KM : EARTH_RADIUS_MILES;

  // return sql`
  //   ${radius} * 2 * ASIN(SQRT(
  //     POWER(SIN((${lat} - ${schema.latitude}) * PI() / 180 / 2), 2) +
  //     COS(${lat} * PI() / 180) * COS(${schema.latitude} * PI() / 180) *
  //     POWER(SIN((${lon} - ${schema.longitude}) * PI() / 180 / 2), 2)
  //   ))
  // `;
  return sql`
    ${radius} * 2 * ASIN(SQRT(
      POWER(SIN((${lat} - (${schema.location}->>'latitude')::float) * PI() / 180 / 2), 2) +
      COS(${lat} * PI() / 180) * COS((${schema.location}->>'latitude')::float * PI() / 180) *
      POWER(SIN((${lon} - (${schema.location}->>'longitude')::float) * PI() / 180 / 2), 2)
    ))
  `;
};

export type DrizzleUser = typeof users.$inferSelect;
export type DrizzleBusinessListing = typeof businesses.$inferSelect;
export type DrizzleCommercialPropertyListing = typeof commercials.$inferSelect;
// export function convertBusinessToDrizzleBusiness(businessListing: Partial<BusinessListing>): DrizzleBusinessListing {
//   const drizzleBusinessListing = flattenObject(businessListing);
//   drizzleBusinessListing.city = drizzleBusinessListing.name;
//   delete drizzleBusinessListing.name;
//   return drizzleBusinessListing;
// }
// export function convertDrizzleBusinessToBusiness(drizzleBusinessListing: Partial<DrizzleBusinessListing>): BusinessListing {
//   const o = {
//     location: drizzleBusinessListing.city ? undefined : null,
//     location_name: drizzleBusinessListing.city ? drizzleBusinessListing.city : undefined,
//     location_state: drizzleBusinessListing.state ? drizzleBusinessListing.state : undefined,
//     location_latitude: drizzleBusinessListing.latitude ? drizzleBusinessListing.latitude : undefined,
//     location_longitude: drizzleBusinessListing.longitude ? drizzleBusinessListing.longitude : undefined,
//     ...drizzleBusinessListing,
//   };
//   Object.keys(o).forEach(key => (o[key] === undefined ? delete o[key] : {}));
//   delete o.city;
//   delete o.state;
//   delete o.latitude;
//   delete o.longitude;
//   return unflattenObject(o);
// }
// export function convertCommercialToDrizzleCommercial(commercialPropertyListing: Partial<CommercialPropertyListing>): DrizzleCommercialPropertyListing {
//   const drizzleCommercialPropertyListing = flattenObject(commercialPropertyListing);
//   drizzleCommercialPropertyListing.city = drizzleCommercialPropertyListing.name;
//   delete drizzleCommercialPropertyListing.name;
//   return drizzleCommercialPropertyListing;
// }
// export function convertDrizzleCommercialToCommercial(drizzleCommercialPropertyListing: Partial<DrizzleCommercialPropertyListing>): CommercialPropertyListing {
//   const o = {
//     location: drizzleCommercialPropertyListing.city ? undefined : null,
//     location_name: drizzleCommercialPropertyListing.city ? drizzleCommercialPropertyListing.city : undefined,
//     location_state: drizzleCommercialPropertyListing.state ? drizzleCommercialPropertyListing.state : undefined,
//     location_street: drizzleCommercialPropertyListing.street ? drizzleCommercialPropertyListing.street : undefined,
//     location_housenumber: drizzleCommercialPropertyListing.housenumber ? drizzleCommercialPropertyListing.housenumber : undefined,
//     location_county: drizzleCommercialPropertyListing.county ? drizzleCommercialPropertyListing.county : undefined,
//     location_zipCode: drizzleCommercialPropertyListing.zipCode ? drizzleCommercialPropertyListing.zipCode : undefined,
//     location_latitude: drizzleCommercialPropertyListing.latitude ? drizzleCommercialPropertyListing.latitude : undefined,
//     location_longitude: drizzleCommercialPropertyListing.longitude ? drizzleCommercialPropertyListing.longitude : undefined,
//     ...drizzleCommercialPropertyListing,
//   };
//   Object.keys(o).forEach(key => (o[key] === undefined ? delete o[key] : {}));
//   delete o.city;
//   delete o.state;
//   delete o.street;
//   delete o.housenumber;
//   delete o.county;
//   delete o.zipCode;
//   delete o.latitude;
//   delete o.longitude;
//   return unflattenObject(o);
// }
// export function convertUserToDrizzleUser(user: Partial<User>): DrizzleUser {
//   const drizzleUser = flattenObject(user);
//   drizzleUser.city = drizzleUser.name;
//   delete drizzleUser.name;
//   return drizzleUser;
// }

// export function convertDrizzleUserToUser(drizzleUser: Partial<DrizzleUser>): User {
//   const o: any = {
//     companyLocation: drizzleUser.city ? undefined : null,
//     companyLocation_name: drizzleUser.city ? drizzleUser.city : undefined,
//     companyLocation_state: drizzleUser.state ? drizzleUser.state : undefined,
//     companyLocation_latitude: drizzleUser.latitude ? drizzleUser.latitude : undefined,
//     companyLocation_longitude: drizzleUser.longitude ? drizzleUser.longitude : undefined,
//     ...drizzleUser,
//   };
//   Object.keys(o).forEach(key => (o[key] === undefined ? delete o[key] : {}));
//   delete o.city;
//   delete o.state;
//   delete o.latitude;
//   delete o.longitude;

//   return unflattenObject(o);
// }
// function flattenObject(obj: any, res: any = {}): any {
//   for (const key in obj) {
//     if (obj.hasOwnProperty(key)) {
//       const value = obj[key];

//       if (typeof value === 'object' && value !== null && !Array.isArray(value)) {
//         if (value instanceof Date) {
//           res[key] = value;
//         } else {
//           flattenObject(value, res);
//         }
//       } else {
//         res[key] = value;
//       }
//     }
//   }
//   return res;
// }
// function unflattenObject(obj: any, separator: string = '_'): any {
//   const result: any = {};

//   for (const key in obj) {
//     if (obj.hasOwnProperty(key)) {
//       const keys = key.split(separator);
//       keys.reduce((acc, curr, idx) => {
//         if (idx === keys.length - 1) {
//           acc[curr] = obj[key];
//         } else {
//           if (!acc[curr]) {
//             acc[curr] = {};
//           }
//         }
//         return acc[curr];
//       }, result);
//     }
//   }

//   return result;
// }
export function splitName(fullName: string): { firstname: string; lastname: string } {
  const parts = fullName.trim().split(/\s+/); // Teile den Namen am Leerzeichen auf

  if (parts.length === 1) {
    // Falls es nur ein Teil gibt, ist firstname und lastname gleich
    return { firstname: parts[0], lastname: parts[0] };
  } else {
    // Ansonsten ist der letzte Teil der lastname, der Rest der firstname
    const lastname = parts.pop()!;
    const firstname = parts.join(' ');
    return { firstname, lastname };
  }
}