create_warning_string.rb

#!/usr/bin/env ruby

# take some text, make it into a big block of warning text

# like this:
# ***********************************************************************************************
# **                                       !! WARNING !!                                       **
# **             InAppMessageEvent was published, but no subscribers were found.               **
# **  This is likely an integration error. Please ensure that the AppboyInAppMessageManager is **
# **               registered as early as possible. Additionally, be sure to call              **
# **       AppboyInAppMessageManager.ensureSubscribedToInAppMessageEvents(Context) in your     **
# **          Application onCreate() to avoid losing any in-app messages in the future.        **
# ***********************************************************************************************

input = ARGV[0]
MAX_LINE_LENGTH = ARGV[1].to_i

def get_lines(input)
  words = input.gsub(/\s+/m, ' ').strip.split(" ")
  target_lines = input.length / MAX_LINE_LENGTH
  puts target_lines

  lines = Array.new
  lines.push("!! WARNING !!")
  current_line = ""

  words.each do |word|
    if (current_line.length > 0)
      current_line = current_line + " " + word
    else
      # don't add a space
      current_line = word
    end

    if (current_line.length > MAX_LINE_LENGTH)
      #make a new line
      lines.push(current_line)
      current_line = ""
    end
  end

  if (current_line.length > 0)
    # add to the array
    lines.push(current_line)
  end

  lines
end

# now's lets format
def format_lines(input_lines, max_length)
  result = lines = Array.new

  input_lines.each do |line|
    # puts line
    num_spaces_to_add = (max_length - line.length)/2
    num_spaces_to_add = [0, num_spaces_to_add].max

    num_left_spaces = num_spaces_to_add
    num_right_spaces = num_spaces_to_add

    if (line.length % 2 == 1)
      num_right_spaces +=1
    end

    # add spaces
    formatted_line = " " * num_left_spaces + line + " " * num_right_spaces
    # add asterisks
    formatted_line = "** " + formatted_line + " **"
    # puts formatted_line
    result.push(formatted_line)
  end

  result
end

def get_longest_line(input_lines)
  line_len = input_lines.max_by(&:length).length
  line_len
end

my_lines = get_lines(input)
longest_line = get_longest_line(my_lines)
fmt_lines = format_lines(my_lines, longest_line)

puts "*" * (6 + longest_line)
puts fmt_lines
puts "*" * (6 + longest_line)