require_relative 'lib/sale'
require 'csv'

def parse_csv(csv_file)
  csv_opts = {
    :col_sep => ";",
    :skip_lines => /^(Notes|The |;)/,
    :headers => true,
    :converters => :all,
  }

  sales = []

  CSV.foreach(csv_file, csv_opts) do |row|
    if row.count > 0
      sale = SalesReporter::Sale.new(row["Date"], row["revenue EUR"], row["quantity"], row["Country"], row["Shop"])
      sales << sale
    end
  end

  sales
end

def load_reports
  reports = []

  Dir[File.join('lib', 'reports', '*.rb')].each do |f|
    require_relative f
  end

  SalesReporter::Reports.constants.each do |report|
    reports << SalesReporter::Reports.const_get(report).new
  end

  reports
end

sales = parse_csv(ARGV[0])
reports = load_reports

reports.each do |report|
  report.render(sales)
end