#!/usr/bin/env ruby

require 'elib_mgmt/cli'
require 'tty/prompt'
require 'colorize'

require 'openssl'

if ARGV.length == 0
  STDERR.puts " Root to find the files is required.".red
  exit(0)

else
  pmt = TTY::Prompt.new

  pmt.puts "\n eLib Management Utilities version #{ElibMgmt::Cli::VERSION}\n\n"
  pmt.puts " File duplicated files from the given path\n\n"

  root = ARGV.first
  root = File.expand_path(root)

  pmt.puts " Root to search : #{root}\n\n"

  path = File.join(root,"**/**")

  res = Dir.glob(path).reject { |f| File.directory?(f) }
  pmt.puts " Total #{res.length} file(s) found\n\n".yellow

  db = {  }
  seen = []
  found = []
  res.each do |f|

    d = Digest::SHA1.digest(File.read(f))
    if seen.include?(d)
      puts "#{f} : #{db[d]}"
      found << [f, db[d]]
    else
      db[d] = f
      seen << d
      puts "Processed #{seen.length} / #{res.length} (#{(seen.length.to_f/res.length.to_f*100.0).ceil(2)} %)"
    end

  end

  if found.length > 0
    begin
      found.each do |f|
        sel = pmt.select(" There are some duplicated files found. Please select which one to DELETE or keep both : ".yellow) do |m|
          m.choice f[0], f[0]
          m.choice f[1], f[1]
          m.choice "Keep both", :keep
        end

        if sel != :keep
          proceed = pmt.yes?(" Delete file at ? \n #{sel}".yellow)
          if proceed
            ElibMgmt::Cli.move_to_int_bin(root, sel)
            pmt.puts " Duplicated file '#{sel}' moved to bin".green
          else
            pmt.puts " File deletion skipped.".yellow
          end
        end
      end
    rescue TTY::Reader::InputInterrup
    ensure
      pmt.puts " All duplicated files done processing".green
    end

    #pmt.puts " All duplicated files done processing".green
  else
    pmt.puts " There is no duplicated files found".green
  end

end