#!/usr/bin/env python
# cosmictrip.py
# A program to calculate the mileage of cosmic and terrestrial voyages
# written by ALT with much assistance from CJY

def dest():
    print
    destination = raw_input("+ Where in the Universe would you like to travel? ")
    return destination

def body():
    destination = dest()
    scale = ""
    while(scale != "m" or scale != "l"):
        scale = raw_input("+ Is your destination reachable in miles or lightyears? ")
        if scale[0].lower() == "m":
            miles, speed = mileage()
            break
        elif scale[0].lower() == "l":
            miles, speed = lightyr()
            break
        else:
            print "Pick an acceptable answer please. "
    miles, years, days, hours, minutes, seconds = calculations(miles, speed)
    results(destination, miles, years, days, hours, minutes, seconds)

def calculations(miles, speed):
    years = miles / (speed * 8765.81277)
    days = (years - int(years)) * 365
    hours = (days - int(days)) * 24
    minutes = (hours - int(hours)) * 60
    seconds = (minutes - int(minutes)) * 60
    return miles, years, days, hours, minutes, seconds

def lightyr():
    ltYr = input("+ How many light years away is your destination? ")
    speed = input("+ How fast, in miles per hour, can your cosmic van travel? ") 
    miles = float(ltYr) * 5878499810000.0
    return miles, speed

def mileage():
    miles = input("+ How many miles away is your destination? ")
    speed = input("+ How fast, in miles per hour, can your cosmic van travel? ")
    return miles, speed

def results(destination, miles, years, days, hours, minutes, seconds):
    print "\n", destination.upper(), "is", int(miles), "miles away.\n"
    print "It would take you", int(years), "years", int(days), \
    "days", int(hours), "hours", int(minutes), "minutes and", \
    int(seconds), "seconds to travel to", destination.upper(), \
    "in your cosmic van, assuming the weather holds up.\n"
    if 10 <= years <= 60:
        print "You might be able to make it if you leave right now.\n"
    elif years <= 0.1:
        print "That's not a bad trip at all. You should go.\n"
    else:
        print "You probably wouldn't survive the trip.\n"

def main():
    print
    print "<<<------------------- UNIVERSAL TRIP PLANNER ------------------->>>".center(80)
    print "\nA program to tell you how many miles away and" \
    " how long it would take you to reach various destinations" \
    " in the cosmos."
    repeat = "y"
    while(repeat[0].lower() == "y"):
        body()
        repeat = raw_input("+ Would you like to travel to another location? ")
    print "\nKeep looking for wormholes.\n"
    print ">>-------------------------->>>: + :<<<--------------------------<<".center(80)
    print
    
if __name__ == '__main__':
    main()