require 'file_parser'
require 'command_line_parser'
require 'console_runner/version'

# console_runner logic is here
module ConsoleRunner
  begin
    start_time = Time.now
    success_status = true
    puts "===================================
    Start Time: #{start_time}".blue

    file_from_arg = ARGV.shift
    raise ConsoleRunnerError, 'Specify file to be executed' unless file_from_arg
    file_path   = File.realpath file_from_arg
    file_parser = FileParser.new(file_path)
    cmd         = ARGV[0]
    actions     = file_parser.runnable_methods.select { |m| m.name.to_s == cmd }
    if actions.count > 1
      raise(
        ConsoleRunnerError,
        "Class and Instance methods have the same name (#{cmd}). Actions names should be unique"
      )
    end
    action        = actions.first
    action        ||= file_parser.run_method
    c_line_parser = CommandLineParser.new(file_parser)
    c_line_parser.run(action)


    puts '======================================================='
    puts 'Global options:'
    if file_parser.initialize_method
      puts "INIT: #{file_parser.initialize_method.name}"
      puts 'INIT options:'
      puts c_line_parser.init_method.cmd_opts.map { |k, v| "     #{k} = #{v}" }.join("\n")
    end
    puts "Subcommand: #{action.name}"
    puts 'Subcommand options:'
    puts c_line_parser.method.cmd_opts.map { |k, v| "     #{k} = #{v}" }.join("\n")
    puts "Remaining arguments: #{ARGV.inspect}" if ARGV != []
    puts '======================================================='


    require file_path
    class_full_name = file_parser.clazz.title
    raise ConsoleRunnerError, "#{class_full_name} is not defined" unless Module.const_defined?(class_full_name)
    klass_obj     = Module.const_get(class_full_name)
    method_type   = action.scope
    method_params = c_line_parser.method.params_array

    case method_type
      when :class
        klass_obj.send(action.name, *method_params)
      when :instance
        init_method = c_line_parser.init_method
        init_params = []
        init_params = init_method.params_array if init_method
        obj         = klass_obj.new(*init_params)
        obj.send(action.name, *method_params)
      else
        raise ConsoleRunnerError, "Unknown method type: #{method_type}"
    end
  rescue => e
    success_status = false
      raise e
  ensure
    finish_time = Time.now
    status = success_status ? 'Success'.green : 'Error'.red
    puts 'Execution status: '.blue + status
    puts "===================================
    Finish Time: #{finish_time} (Duration: #{((finish_time - start_time) / 60).round(2) } minutes)
".blue
  end
end