#!/usr/bin/env ruby

require 'quarry'
require 'getoptlong'

module Quarry

  # = Quarry Commandline Utility
  #
  class Command
    def self.execute
      new.execute
    end

    attr :reporter

    def initialize
      @reporter = nil
    end

    def opts
      @opts ||= GetoptLong.new(
        [ '--version',        GetoptLong::NO_ARGUMENT ],
        [ '--help',     '-h', GetoptLong::NO_ARGUMENT ],
        [ '--debug',    '-d', GetoptLong::NO_ARGUMENT ],
        [ '--verbose',  '-v', GetoptLong::NO_ARGUMENT ],
        [ '--summary',  '-s', GetoptLong::NO_ARGUMENT ],
        [ '--loadpath', '-I', GetoptLong::REQUIRED_ARGUMENT ]
      )
    end

    #
    def parse_options
      opts.each do |opt, arg|
        case opt
        when '--help'
          puts HELP
          exit
        when '--debug'
          $DEBUG = true
        when '--verbose'
          @reporter = :verbose
        when '--summary'
          @reporter = :summary
        when '--loadpath'
          arg.split(/[:;]/).each{|dir| $LOAD_PATH.unshift(dir)}
        end
      end
    end

    #
    def load_rc
      if rcfile = Dir['.config/quarry{,rc}{,.rb}'].first
        load(rcfile)
      end
    end

    # TODO: Should there be any file filter?
    def specs
      specs = []
      spec_files.each do |file|
        case File.extname(file)
        when '.rb'
          #load(file)
        else
          specs << Quarry::Markup.new(file)
        end
      end
      specs
    end

    #
    def spec_files
      ARGV.collect do |file|
        if File.directory?(file)
          Dir[File.join(file, '**', '*')]
        else
          file
        end
      end.flatten.uniq
    end

    #
    def output
      case reporter
      when :verbose
        Quarry::Reporter::Verbatim.new
      when :summary
        Quarry::Reporter::Summary.new
      else
        nil
      end
    end

    def runner
      Quarry::Runner.new(specs, output)
    end

    #
    def execute
      parse_options
      load_rc
      runner.check
    end

    HELP = <<-END
quarry [--options] [specs...]

Options:
-v --verbose
-s --summary

-h --help
   --version
    END

  end
end

Quarry::Command.execute