require 'mysql2'

load 'config.rb'

db = Mysql2::Client.new(:host => DB_HOST, :username => DB_USER, :database => DB_DB)

person = ARGV[0]
product = ARGV[1]
amount = ARGV[2]
log_dir = "./log/"

amount = 1.0 unless amount

valid_products = []
db.query("SELECT * FROM Products").each do |product|
  valid_products << product['id']
end

unless valid_products.include? product
  raise "Product not found in table\nValid products are: #{valid_products}"
end

statement = db.prepare("INSERT INTO Transactions (buyer, product, amount) VALUES (?, ?, ?)")
result = statement.execute(person,product,amount)
puts result

#output = File.open("#{log_dir}/matkant-#{Time.now.strftime('%Y%W')}.log","a+")
#output << "#{Time.now.to_i};#{person};#{product};#{amount}\n"
#output.close