04. Rest House js exam

function solve(allRooms, guests) {
  const rooms = new Map();
  let guestsWithoutRooms = 0;
  allRooms.forEach((currentRoom) => {
    const { type } = currentRoom;

    const roomSpace = type === 'double-bedded' ? 2 : 3;
    rooms.set(currentRoom.number, { type, emptyBeds: roomSpace });
  });

  guests.forEach((currentPair) => {
    let roomFound = false;
    if (currentPair.first.gender !== currentPair.second.gender) {
      for (const [, value] of rooms) {
        if (value.type === 'double-bedded' && value.emptyBeds === 2) {
          value.guests = [];
          value.guests = [currentPair.first, currentPair.second];
          value.emptyBeds = 0;
          roomFound = true;
          break;
        }
      }
    } else {
      for (const [, value] of rooms) {
        if (value.type === 'triple' && value.emptyBeds > 1) {
          if (value.guests === undefined) {
            value.guests = [];
          } else if (value.guests[0].gender !== currentPair.second.gender) {
            continue;
          }
          if (currentPair.first) {
            value.guests.push(currentPair.first);
            value.emptyBeds -= 1;
          }
          value.guests.push(currentPair.second);
          value.emptyBeds -= 1;
          roomFound = true;
          break;
        } else if (value.type === 'triple' && value.emptyBeds === 1) {
          if (value.guests[0].gender === currentPair.second.gender) {
            value.guests.push(currentPair.first === undefined ? currentPair.second : currentPair.first);
            value.emptyBeds -= 1;
            currentPair.first = undefined;
          }
        }
      }
    }
    if (!roomFound) {
      guestsWithoutRooms += currentPair.first === undefined ? 1 : 2;
    }
  });

  [...rooms].sort().forEach((el) => {
    const [room, value] = el;
    console.log(`Room number: ${room}`);
    if (value.guests) {
      for (const guest of value.guests.sort((a, b) => a.name.toLowerCase().localeCompare(b.name.toLowerCase()))) {
        console.log(`--Guest Name: ${guest.name}`);
        console.log(`--Guest Age: ${guest.age}`);
      }
    }
    console.log(`Empty beds in the room: ${value.emptyBeds}`);
  });
  console.log(`Guests moved to the tea house: ${guestsWithoutRooms}`);
}