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

require 'cgi'
require 'optparse'
require 'pwn'
require 'yaml'

opts = {}
OptionParser.new do |options|
  options.banner = "USAGE:
    #{$PROGRAM_NAME} [opts]
  "

  options.on('-cCONFIG', '--config=CONFG', '<Required - Black Duck Binary Analysis YAML config>') do |g|
    opts[:config] = g
  end

  options.on('-pNAME', '--parent-group=NAME', '<Required - Black Duck Binary Analysis Parent Group Name to Associate with Binary Scan>') do |p|
    opts[:parent_group_name] = p
  end

  options.on('-sFILE', '--scan=FILE', '<Required - File to Scan in Black Duck Binary Analysis>') do |f|
    opts[:target_file] = f
  end

  options.on('-rPATH', '--report=PATH', '<Required - Path to Save Black Duck Binary Analysis Scan Report>') do |r|
    opts[:report_path] = r
  end

  options.on('-R', '--report-only', '<Optional - Only Generate a Black Duck Binary Analysis Scan Report for an Existing Scan (Default: false)>') do |o|
    opts[:report_only] = o
  end

  options.on('-tTYPE', '--report-type=TYPE', '<Optional - Black Duck Binary Analysis Scan Report Type csv_libs|csv_vulns|pdf (Default: csv_vulns)>') do |t|
    opts[:report_type] = t
  end
end.parse!

if opts.empty?
  puts `#{$PROGRAM_NAME} --help`
  exit 1
end

begin
  pwn_provider = 'ruby-gem'
  pwn_provider = ENV.fetch('PWN_PROVIDER') if ENV.keys.any? { |s| s == 'PWN_PROVIDER' }

  config = opts[:config]
  raise "ERROR: BDBA YAML Config File Not Found: #{config}" unless File.exist?(config)

  yaml_config = YAML.load_file(config, symbolize_names: true)

  token = yaml_config[:token]
  raise "ERROR: BDBA Token Not Found: #{token}" if token.nil?

  parent_group_name = opts[:parent_group_name]
  raise "ERROR: BDBA Parent Group Name Not Provided: #{parent_group_name}" if parent_group_name.nil?

  target_file = opts[:target_file]
  raise "ERROR: BDBA Target File Not Found: #{target_file}" unless File.exist?(target_file)

  report_path = opts[:report_path]
  raise "ERROR: BDBA Report Path Not Provided: #{report_path}" if report_path.nil?

  report_only = opts[:report_only] ||= false

  report_type_str = opts[:report_type] ||= 'csv_vulns'
  report_type = report_type_str.to_s.to_sym

  groups_resp = PWN::Plugins::BlackDuckBinaryAnalysis.get_groups(
    token: token
  )

  parent_arr = groups_resp[:groups].select { |g| g[:name] == parent_group_name }
  raise "ERROR: BDBA Parent Group Not Found: #{parent_group_name}" if parent_arr.nil?

  sorted_parent_arr = parent_arr.sort_by { |g| g[:id] }
  parent_id = sorted_parent_arr.last[:id]

  unless report_only
    puts "Uploading/Scanning: #{target_file}"
    PWN::Plugins::BlackDuckBinaryAnalysis.upload_file(
      token: token,
      file: target_file,
      group_id: parent_id
    )
  end

  scan_progress_resp = {}
  loop do
    scan_progress_resp = PWN::Plugins::BlackDuckBinaryAnalysis.get_apps_by_group(
      token: token,
      group_id: parent_id
    )

    30.times do
      print '.'
      sleep 1
    end

    break if scan_progress_resp[:products].none? { |p| p[:status] == 'B' }
  end

  product_id = scan_progress_resp[:products].find { |p| p[:name] == CGI.escape(File.basename(target_file)) }[:product_id]

  scan_report_resp = PWN::Plugins::BlackDuckBinaryAnalysis.generate_product_report(
    token: token,
    product_id: product_id,
    type: report_type,
    output_path: report_path
  )

  puts "\nReport Saved to: #{report_path}"
rescue SystemExit, Interrupt
  puts "\nGoodbye."
rescue StandardError => e
  raise e
end