module Fasten

# File lib/fasten.rb, line 29
def cleanup
  @runner = nil
end

# File lib/fasten/defaults.rb, line 43
def default_developer
  $stdin.tty? && $stdout.tty?
end

# File lib/fasten/defaults.rb, line 25
def default_fasten_dir
  'fasten'
end

# File lib/fasten/defaults.rb, line 17
def default_jobs
  Parallel.physical_processor_count
end

# File lib/fasten/defaults.rb, line 5
def default_name
  File.basename(Dir.getwd)
end

# File lib/fasten/defaults.rb, line 47
def default_priority
  :dependants
end

# File lib/fasten/defaults.rb, line 9
def default_stats
  true
end

# File lib/fasten/defaults.rb, line 13
def default_summary
  false
end

# File lib/fasten/defaults.rb, line 33
def default_ui_mode
  return @default_ui_mode if defined? @default_ui_mode

  require 'fasten/ui/curses'

  @default_ui_mode = $stdin.tty? && $stdout.tty? ? :curses : :console
rescue StandardError, LoadError
  @default_ui_mode = :console
end

# File lib/fasten/defaults.rb, line 29
def default_use_threads
  !OS.posix?
end

# File lib/fasten/defaults.rb, line 21
def default_worker_class
  Worker
end

# File lib/fasten.rb, line 111
def invoke
  opt_parser.parse!

  @options[:targets] = ARGV.to_a

  runner @options
  @load_path = Dir['fasten/*_fasten.rb'] if @load_path.empty?
  load_fasten @load_path

  show_help 1 if runner.tasks.empty?

  runner.perform
end

# File lib/fasten.rb, line 41
def load_fasten(args)
  args.each do |path|
    if File.directory? path
      items = Dir["#{path}/*_fasten.rb"]
      items.each do |item|
        puts "Fasten: loading #{item}"
        load item
      end
    elsif File.file? path
      puts "Fasten: loading #{path}"
      load path
    else
      warn "Fasten: file/folder not found: #{path}"
      exit 1
    end
  end
end

# File lib/fasten.rb, line 21
def map(list, **options, &block)
  runner(**options).map(list, &block)
end

# File lib/fasten.rb, line 59
def opt_parser # rubocop:disable Metrics/MethodLength, Metrics/AbcSize
  return @opt_parser if defined? @opt_parser

  @options = { developer: false }
  @load_path = []

  @opt_parser = OptionParser.new do |opts| # rubocop:disable Metrics/BlockLength
    opts.banner = "Usage: #{$PROGRAM_NAME} [options] [targets]"
    opts.separator ''
    opts.separator 'Examples:'
    opts.separator '    fasten              # load and run all task from fasten/*_fasten.rb'
    opts.separator '    fasten -f tasks.rb  # load task from ruby script'
    opts.separator '    fasten -y tasks.yml # load task from yaml file'
    opts.separator ''
    opts.separator 'Options:'

    opts.on '-n NAME', '--name NAME', String, "Change name of this runner (default: #{default_name} from current directory)" do |name|
      @options[:name] = name
    end
    opts.on '-f PATH', '--file PATH', String, 'File or folder with ruby code' do |path|
      @load_path << path
    end
    opts.on '-j JOBS', '--jobs JOBS', Numeric, "Maximum number of tasks to execute in parallel (default: #{default_jobs} on this machine)" do |jobs|
      @options[:jobs] = jobs
    end
    opts.on '-s', '--[no-]summary', TrueClass, 'Display summary at the end of execution' do |boolean|
      @options[:summary] = boolean
    end
    opts.on '--ui=UI', String, "Type of UI: curses, console. (default: #{default_ui_mode} on this machine)" do |ui_mode|
      @options[:ui_mode] = ui_mode
    end
    opts.on '-t', '--threads', "Use threads based jobs for parallel execution#{default_use_threads && ' (default on this machine)' || nil}" do
      @options[:use_threads] = true
    end
    opts.on '-p', '--processes', "Use process based jobs for parallel execution#{!default_use_threads && ' (default on this machine)' || nil}" do
      @options[:use_threads] = false
    end
    opts.on '-v', '--version', 'Display version info' do
      puts Fasten::VERSION
      exit 0
    end
    opts.on_tail '-h', '--help', 'Shows this help' do
      show_help
    end
  end
end

# File lib/fasten.rb, line 33
def reconfigure(**options)
  runner.reconfigure(**options)
end

# File lib/fasten.rb, line 37
def register(**options, &block)
  runner(**options).register(&block)
end

# File lib/fasten.rb, line 25
def runner(**options)
  @runner ||= Fasten::Runner.new(**options)
end

# File lib/fasten.rb, line 14
def runner_from_yaml(path, **options)
  runner = Fasten::Runner.new(**options)
  runner.load_yaml(path)

  runner
end

# File lib/fasten.rb, line 106
def show_help(exit_code = 0)
  puts opt_parser
  exit exit_code
end