class Faker::Internet

# File lib/faker/internet.rb, line 177
def device_token
  shuffle(rand(16**64).to_s(16).rjust(64, '0').chars.to_a).join
end

# File lib/faker/internet.rb, line 78
def domain_name
  with_locale(:en) { [Char.prepare(domain_word), domain_suffix].join('.') }
end

# File lib/faker/internet.rb, line 90
def domain_suffix
  fetch('internet.domain_suffix')
end

# File lib/faker/internet.rb, line 86
def domain_word
  with_locale(:en) { Char.prepare(Company.name.split(' ').first) }
end

# File lib/faker/internet.rb, line 4
def email(name = nil, *separators)
  if separators
    [username(name, separators), domain_name].join('@')
  else
    [username(name), domain_name].join('@')
  end
end

# File lib/faker/internet.rb, line 82
def fix_umlauts(string = '')
  Char.fix_umlauts(string)
end

# File lib/faker/internet.rb, line 12
def free_email(name = nil)
  [username(name), fetch('internet.free_email')].join('@')
end

# File lib/faker/internet.rb, line 100
def ip_v4_address
  ary = (2..254).to_a
  [sample(ary), sample(ary), sample(ary), sample(ary)].join('.')
end

# File lib/faker/internet.rb, line 156
def ip_v4_cidr
  "#{ip_v4_address}/#{rand(1..31)}"
end

# File lib/faker/internet.rb, line 160
def ip_v6_address
  (1..8).map { rand(65_536).to_s(16) }.join(':')
end

# File lib/faker/internet.rb, line 164
def ip_v6_cidr
  "#{ip_v6_address}/#{rand(1..127)}"
end

# File lib/faker/internet.rb, line 94
def mac_address(prefix = '')
  prefix_digits = prefix.split(':').map { |d| d.to_i(16) }
  address_digits = Array.new((6 - prefix_digits.size)) { rand(256) }
  (prefix_digits + address_digits).map { |d| format('%02x', d) }.join(':')
end

# File lib/faker/internet.rb, line 54
def password(min_length = 8, max_length = 16, mix_case = true, special_chars = false)
  temp = Lorem.characters(min_length)
  diff_length = max_length - min_length
  if diff_length > 0
    diff_rand = rand(diff_length + 1)
    temp += Lorem.characters(diff_rand)
  end

  if mix_case
    temp.chars.each_with_index do |char, index|
      temp[index] = char.upcase if index.even?
    end
  end

  if special_chars
    chars = %w[! @ # $ % ^ & *]
    rand(1..min_length).times do |i|
      temp[i] = chars[rand(chars.length)]
    end
  end

  temp
end

# File lib/faker/internet.rb, line 105
def private_ip_v4_address
  addr = nil
  loop do
    addr = ip_v4_address
    break if private_net_checker[addr]
  end
  addr
end

# File lib/faker/internet.rb, line 136
def private_net_checker
  ->(addr) { private_nets_regex.any? { |net| net =~ addr } }
end

# File lib/faker/internet.rb, line 123
def private_nets_regex
  [
    /^10\./,                                       # 10.0.0.0    - 10.255.255.255
    /^100\.(6[4-9]|[7-9]\d|1[0-1]\d|12[0-7])\./,   # 100.64.0.0  - 100.127.255.255
    /^127\./,                                      # 127.0.0.0   - 127.255.255.255
    /^169\.254\./,                                 # 169.254.0.0 - 169.254.255.255
    /^172\.(1[6-9]|2\d|3[0-1])\./,                 # 172.16.0.0  - 172.31.255.255
    /^192\.0\.0\./,                                # 192.0.0.0   - 192.0.0.255
    /^192\.168\./,                                 # 192.168.0.0 - 192.168.255.255
    /^198\.(1[8-9])\./                             # 198.18.0.0  - 198.19.255.255
  ]
end

# File lib/faker/internet.rb, line 114
def public_ip_v4_address
  addr = nil
  loop do
    addr = ip_v4_address
    break unless reserved_net_checker[addr]
  end
  addr
end

# File lib/faker/internet.rb, line 152
def reserved_net_checker
  ->(addr) { (private_nets_regex + reserved_nets_regex).any? { |net| net =~ addr } }
end

# File lib/faker/internet.rb, line 140
def reserved_nets_regex
  [
    /^0\./,                 # 0.0.0.0      - 0.255.255.255
    /^192\.0\.2\./,         # 192.0.2.0    - 192.0.2.255
    /^192\.88\.99\./,       # 192.88.99.0  - 192.88.99.255
    /^198\.51\.100\./,      # 198.51.100.0 - 198.51.100.255
    /^203\.0\.113\./,       # 203.0.113.0  - 203.0.113.255
    /^(22[4-9]|23\d)\./,    # 224.0.0.0    - 239.255.255.255
    /^(24\d|25[0-5])\./     # 240.0.0.0    - 255.255.255.254  and  255.255.255.255
  ]
end

# File lib/faker/internet.rb, line 16
def safe_email(name = nil)
  [username(name), 'example.' + sample(%w[org com net])].join('@')
end

# File lib/faker/internet.rb, line 172
def slug(words = nil, glue = nil)
  glue ||= sample(%w[- _ .])
  (words || Faker::Lorem.words(2).join(' ')).delete(',.').gsub(' ', glue).downcase
end

# File lib/faker/internet.rb, line 168
def url(host = domain_name, path = "/#{username}", scheme = 'http')
  "#{scheme}://#{host}#{path}"
end

# File lib/faker/internet.rb, line 181
def user_agent(vendor = nil)
  agent_hash = translate('faker.internet.user_agent')
  agents = vendor.respond_to?(:to_sym) && agent_hash[vendor.to_sym] || agent_hash[sample(agent_hash.keys)]
  sample(agents)
end

# File lib/faker/internet.rb, line 20
def username(specifier = nil, separators = %w[. _])
  with_locale(:en) do
    return shuffle(specifier.scan(/\w+/)).join(sample(separators)).downcase if specifier.respond_to?(:scan)
    if specifier.is_a?(Integer)
      # If specifier is Integer and has large value, Argument error exception is raised to overcome memory full error
      raise ArgumentError, 'Given argument is too large' if specifier > 10**6
      tries = 0 # Don't try forever in case we get something like 1_000_000.
      result = nil
      loop do
        result = username(nil, separators)
        tries += 1
        break unless result.length < specifier && tries < 7
      end
      return result * (specifier / result.length + 1) if specifier > 0
    elsif specifier.is_a?(Range)
      tries = 0
      result = nil
      loop do
        result = username(specifier.min, separators)
        tries += 1
        break unless !specifier.include?(result.length) && tries < 7
      end
      return result[0...specifier.max]
    end

    sample([
             Char.prepare(Name.first_name),
             [Name.first_name, Name.last_name].map do |name|
               Char.prepare(name)
             end.join(sample(separators))
           ])
  end
end