# input mode can be "txt" or "ods" 
$input = "ods" 

# convert text files into .csv for deck.rb mogrification
$cards_csv = "cards.csv"

# card descriptions in textfiles
$cards_o = "cards-occasions.txt"
$cards_q = "cards-qualifiers.txt"
$cards_v = "cards-verbs.txt"

# all card descriptions in a single spreadsheet
$cards_ods = "cards.ods"

# assuming an .ods file laid out as follows
# 
# col 1 - occasions
# col 2 - qualifiers 
# col 3 - verbs

ods = Roo::OpenOffice.new($cards_ods)

# preamble...
File.open($cards_csv, "w")
File.write($cards_csv, "name,type,text,illustration\n", mode: "w")

# Occasions
def write_occasion(line)
  File.write($cards_csv, "#{line},O,...,img/o_card.svg\n", mode: "a")
end

# Qualifiers
def write_qualifier(line)
  File.write($cards_csv, "#{line},Q,...,img/q_card.svg\n", mode: "a")
end

# Verbs
def write_verb(line)
  File.write($cards_csv, "#{line},V,...,img/v_card.svg\n", mode: "a")
end

case $input
when "txt"
  # read descriptions and write to file...
  File.foreach($cards_o) { |line| write_occasion line.chomp }
  File.foreach($cards_q) { |line| write_qualifier line.chomp }
  File.foreach($cards_v) { |line| write_verb line.chomp }
when "ods"
  # read descriptions and write to file...
  ods.column(1).each { |line| write_occasion line.chomp }
  ods.column(2).each { |line| write_qualifier line.chomp }
  ods.column(3).each { |line| write_verb line.chomp }
else
  puts "input format not supported."
end