import datetime
import numpy as np

def required_energy(time_difference):
# Theoretical energy required for time displacement (hypothetical equation)
return abs(time_difference) ** 1.5 * 1.21 # Arbitrary scaling factor

def time_travel(destination_year):
now = datetime.datetime.now()
current_year = now.year
time_difference = destination_year - current_year

if time_difference == 0:
return "No time displacement needed. You are already in the present."

energy_needed = required_energy(time_difference)
energy_available = np.random.uniform(1.2, 10) # Simulated energy source

if energy_available < energy_needed:
return f"Insufficient energy: Required {energy_needed:.2f} GW, Available {energy_available:.2f} GW."

speed_mph = 88 # Placeholder for required velocity
print(f"Reaching {speed_mph} mph and stabilizing spacetime distortion...")

if time_difference > 0:
return f"You have successfully traveled to the year {destination_year}. Future awaits."
else:
return f"Time displacement complete. Welcome to the year {destination_year}. Proceed with caution."