#!/usr/bin/env ruby
# frozen_string_literal: true

require 'bundler/setup'
require 'ace_of_base'
require 'getoptlong'

options = GetoptLong.new(['--help', '-h', GetoptLong::NO_ARGUMENT])

def print_help_message_and_exit
  puts <<~HELP_MESSAGE
    import [OPTION] FILE

    -h, --help:
        show this help message

    FILE: The path to the file you wish to import.
  HELP_MESSAGE

  exit(0)
end

print_help_message_and_exit if options.each.to_a.any? { |name, _value| name == '--help' }

begin
  file_name = ARGV[0].to_s
  File.open(file_name, 'r') do |file|
    storage = AceOfBase::Storage.new
    importer = AceOfBase::FileImporter.import(file)
    if importer.valid?
      importer.records.each { |record| storage.store(record) }
      puts "Imported #{importer.records.size} records."
    else
      warn "Unable to import file #{file_name.inspect}:"
      importer.errors.each do |line_no, error_messages|
        error_messages.each do |error_message|
          warn format('%5d: %s', line_no, error_message)
        end
      end
      warn "\nPlease correct the above errors, and try again."
      exit(1)
    end
  end
rescue StandardError => e
  warn <<~FILE_ERROR_MESSAGE
    Unable to import file #{file_name.inspect}: #{e.message}
  FILE_ERROR_MESSAGE

  e.backtrace.each { |bt| warn(bt) }

  exit(1)
end