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

require 'bundler/setup'
require 'ace_of_base'
require 'optionparser'

options = {}
option_parser = OptionParser.new do |opts|
  opts.banner = 'Usage: import [OPTIONS]'

  opts.on('-h', '--help', 'Show this help message') do
    puts opts
    exit(0)
  end

  opts.on('-fFILE', '--file FILE', 'Path to the file you wish to import') do |path|
    options[:file] = path
  end

  opts.on('-tDIR', '--target DIR', 'Path to the directory where you want to store the imported data') do |path|
    options[:target] = path
  end
end
option_parser.parse!

unless options[:file]
  puts option_parser
  exit(0)
end

begin
  file_name = options[:file]
  File.open(file_name, 'r') do |file|
    storage = AceOfBase::Storage.new(options.fetch(:target, AceOfBase::Storage::STORAGE_DIR))
    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