#!/usr/bin/env python3
# -*- coding: utf-8 -*-

"""
Marvin choices.
"""

import random
import re
import math
import datetime

import common

def present():
    """
    Presents marvin.
    """

    name = input("What is your name? ")
    print("\nMarvin says:\n")
    print("Hello %s, don't drink and code." % name)
    print("What can I do you for?!")

def celcius_to_farenheit():
    """
    Converts celcius to farenheit.
    """

    temp = input("Degrees celcius: ")

    print("\nMarvin says:\n")
    try:
        temp = int(temp)
        fahr = temp * 9 / 5 + 32
        print("The temperature in Fahrenheit is: %s." % str(fahr))
    except ValueError:
        print("The submitted value is not an integer.")

def wordmultiplier():
    """
    Prints a word multiple times.
    """

    word = input("Submit a word: ")
    mult = input("Multiplier: ")

    print("\nMarvin says:\n")
    try:
        mult = int(mult)

        i = 0
        while (i < mult):
            print(word)
            i += 1
    except ValueError:
        print("Submitted multiplier is not an integer.")

def sum_and_average():
    """
    Calculates the sum and average.
    """

    numbers = 0
    res = 0
    success = True
    
    while True:
        val = input("Next: ")

        if val == "done":
            break

        try:
            val = int(val)
            numbers += 1
            res += val
        except ValueError:
            print("\nMarvin says:\n")
            print("The submitted value is not an integer.")
            success = False
            break
    
    if success:
        avg = res / numbers
        print("\nMarvin says:\n")
        print("Sum: " + str(res) + " Avg: " + str(avg))

def comparison():
    """
    Compares some integers.
    """

    last = 0
        
    while True:
        val = input("Next: ")

        if val == "done":
            break

        try:
            val = int(val)

            res = ""
            if val < last:
                res = "smaller than"
            elif val == last:
                res = "equal to"
            elif val > last:
                res = "greater than"
            
            last = val

            print("\nMarvin says:\n")
            print("The number is %s the last number." % res)
        except ValueError:
            print("\nMarvin says:\n")
            print("The submitted value is not an integer.")
            break

def character_addition():
    """
    Multiplies all charachters seperated by -.
    """

    word = input("Enter a word: ")

    reps = 1
    res = ""

    for letter in word:
        if reps > 1:
            res += "-"

        res += common.repeat_char(letter, reps)

        reps += 1

    print("\nMarvin says:\n")
    print(res)

def isogram():
    """
    Finds out if a word is an isogram.
    """

    word = input("Enter a word: ")

    letters = ""
    res = "match"

    for letter in word:
        if letter in letters:
            res = "no match"
            break
        letters += letter
    
    print("\nMarvin says:\n")
    print(res)

def chaosify():
    """
    Brings chaos to the wor(l)d.
    """

    word = input("Submit a word: ")

    res = ""
    length = len(word)
    i = 0

    while i < length:
        r = random.randrange(len(word))
        res += word[r]
        word = word[:r] + word[(r + 1):]
        i += 1

    print("\nMarvin says:\n")
    print(res)

def anagram():
    """
    Finds out wheter two worsa ate anagarms.
    """

    first = input("Submit a word: ")
    second = input("Submit a word: ")

    first = first.lower()
    second = second.lower()

    second = second[::-1]

    print("\nMarvin says:\n")
    print("Matches: " + str(bool(first == second)))

def akronym():
    """
    Creates an akronym from a text.
    """

    value = input("Submit name: ")

    print("\nMarvin says:\n")
    print(re.sub('[^A-Z]', '', value))

def mask():
    """
    Mask all but the four last chars of a string.
    """

    word = input("Submit a word: ")

    print("\nMarvin says:\n")
    print(common.repeat_char("#", len(word) - 4) + word[-4:])

def string_check():
    """
    Checks a string for characters.
    """

    first = input("String to check: ")
    second = input("Look for: ")

    res = "match"

    for lookup in second:
        if lookup not in first:
            res = "no match"

    print("\nMarvin says:\n")
    print(res)

def grade_points():
    """
    Simple method to return grade from points calculation.
    """

    try:
        points_max = int(input("Maximum points: "))
        points = int(input("Your points: "))

        grade_scale = "FEDCBA"

        normalized = 0
        if points > 0:
            normalized = points / points_max

        grade_index = math.floor(normalized * 5.9) # Reduced by .1 to prevent index out of rage error.

        print("\nMarvin says:\n")
        print("Your grade is " + grade_scale[grade_index] + ".")
    except ValueError:
        print("\nMarvin says:\n")
        print("The submitted value is not an integer.")

def string_compare():
    """
    Checks if submitted string matches a set of rules.
    """

    word = input("Word: ")
    prefix = input("Prefix: ")
    suffix = input("Suffix: ")
    substr = input("Substring: ")

    startswith = word.startswith(prefix)
    endswith = word.endswith(suffix)
    contains = substr in word

    res = startswith and endswith and contains

    print("\nMarvin says:\n")
    print("Matches: " + str(res))

def status():
    """
    Generates and prints marvins mood.
    """

    moods = ["happy", "sad", "depressed", "angry", "annoyed", "bored", "confused", "excited", "lonely"]
    
    fhand = open("format.txt")
    line = fhand.readline()

    time = datetime.datetime.now()
    mood = random.choice(moods)
    number = random.randint(1, 129)
    decimal = round(random.uniform(0.1, 33.0), 3)

    print(line.format(datetime=time, mood=mood, number=number, gigawatts=decimal))