# Great job getting through the step 2 problem sets! Here are the 5 hardest problems
# we've got. You can do it! Use as many helper methods as you need, and have fun :)

# ****************************************************************************

# Can Tweak Sign

# Given a perfectly respectable business sign, determine if pranksters can make
# a vandalized sign out of it using the same or fewer letters. Ignore capitalization
# and punctuation.

def can_tweak_sign?(normal_sign, vandalized_sign)
end

puts "\nSign Tweakers:\n" + "*" * 15 + "\n"
puts can_tweak_sign?("Come in and see our pretty armchairs", "Come and see our hairy armpits") == true
puts can_tweak_sign?("Student and teacher art fair starts Wed.", "Teacher farts stain underwear") == true
puts can_tweak_sign?("Choose the bread of life or you are toast", "Teacher farts stain underwear") == false

# ****************************************************************************

# Repeated Number Ranges

# Given a list of numbers, give the start and end indices each time a number shows
# up multiple times in a row.
#

def repeated_number_ranges(numbers)
end

puts "\nRepeated Number Ranges:\n" + "*" * 15 + "\n"
puts repeated_number_ranges([1, 1, 2]) == [[0, 1]]
puts repeated_number_ranges([1, 2, 3, 3, 4]) == [[2, 3]]
puts repeated_number_ranges([1, 2, 3, 3, 4, 4]) == [[2, 3], [4, 5]]
puts repeated_number_ranges([1, 1, 1, 2, 3, 3, 4]) == [[0, 2], [4, 5]]
puts repeated_number_ranges([8, 7, 7, 14, 12, 12, 12, 12, 21]) == [[1, 2], [4, 7]]

# ****************************************************************************

# Time Sums

# Return an array of all the minutes of the day whose digits sum to N.
# Use military time, so 1:00 PM is really 13:00.

def time_sums(n)
end

puts "\nTime Sums\n" + "*" * 15 + "\n"
puts time_sums(0) == ["00:00"]
puts time_sums(1) == ["00:01", "00:10", "01:00", "10:00"]
puts time_sums(23) == ["09:59", "18:59", "19:49", "19:58"]
puts time_sums(24) == ["19:59"]

# ****************************************************************************

# Fall and Winter Birthdays

# Given a list of students and what month their birthday is, return all the pairs
# of students whose birthdays both fall in the second half of the year.  Months
# are numbers, and assume that July (month 7) and later is the second half of
# the year.
#
# Only count pairs once, and work from the beginning of the list to the end.

def fall_and_winter_birthdays(students_with_birthdays)
end

students_with_birthdays_1 = {
  "Asher" => 6,
  "Bertie" => 11,
  "Dottie" => 8,
  "Warren" => 9
}

second_half_birthday_pairs_1 = [
  ["Bertie", "Dottie"],
  ["Bertie", "Warren"],
  ["Dottie", "Warren"]
]

students_with_birthdays_2 = {
  "Asher" => 6,
  "Bertie" => 11,
  "Dottie" => 8,
  "Warren" => 9,
  "Charlie" => 7,
  "Nassim" => 4,
  "Ajit" => 10,
}

second_half_birthday_pairs_2 = [
  ["Bertie", "Dottie"],
  ["Bertie", "Warren"],
  ["Bertie", "Charlie"],
  ["Bertie", "Ajit"],
  ["Dottie", "Warren"],
  ["Dottie", "Charlie"],
  ["Dottie", "Ajit"],
  ["Warren", "Charlie"],
  ["Warren", "Ajit"],
  ["Charlie", "Ajit"],
]

puts "\nFall and Winter Birthdays\n" + "*" * 15 + "\n"
puts fall_and_winter_birthdays(students_with_birthdays_1) == second_half_birthday_pairs_1
puts fall_and_winter_birthdays(students_with_birthdays_2) == second_half_birthday_pairs_2

# ****************************************************************************

# Care Bear Summary

# You have a calendar of hugs that care bears made (given as a list of
# names by care bears).  Some of them have hugged multiple
# times in a row.
#
# Return a hash where the keys are the care bears and the values are an array
# of all of the start and end days of their hugging streaks.
#
# Days are the index of the calendar array.

def care_bear_summary(calendar_of_hugs)
end

puts "\nCare Bear Summary\n" + "*" * 15 + "\n"

hug_calendar_1 = [
  "Birthday Bear",
  "Bedtime Bear",
  "Birthday Bear",
  "Birthday Bear",
  "Bedtime Bear"
]

care_bear_counts_1 = {
  "Birthday Bear" => [[2, 3]]
}

hug_calendar_2 = [
  "Birthday Bear",
  "Birthday Bear",
  "Cheer Bear",
  "Bedtime Bear",
  "Bedtime Bear",
  "Birthday Bear",
  "Birthday Bear",
  "Birthday Bear",
  "Bedtime Bear",
  "Friend Bear"
]

care_bear_counts_2 = {
  "Birthday Bear" => [[0, 1], [5, 7]],
  "Bedtime Bear" => [[3, 4]]
}

puts care_bear_summary(hug_calendar_1) == care_bear_counts_1
puts care_bear_summary(hug_calendar_2) == care_bear_counts_2