require "keyring_liberator"
require "keyring"
require "name_whisperer"

module Pod
  class Command
    class Keys

      class Rm < Keys
        self.summary = "Remove a key-value pair from a project."

        self.description = <<-DESC
            Remove a key, and it's value from a project

            A second optional operator can be done to force a project name.
        DESC

        self.arguments = [CLAide::Argument.new('key', true), CLAide::Argument.new('project_name', false)]

        def initialize(argv)
          @key_name = argv.shift_argument
          @project_name = argv.shift_argument
          super
        end

        def validate!
          super
          verify_podfile_exists!
          help! "A key name is required for lookup." unless @key_name
        end

        def run
          keyring = get_current_keyring
          if !keyring
            $stderr.puts "Could not find a project to remove the key from."
            return
          end

          if keyring.keys.include? @key_name
            keyring.save(@key_name, "")
            keyring.keys.delete @key_name
            CocoaPodsKeys::KeyringLiberator.save_keyring(keyring)

            prefix = CocoaPodsKeys::Keyring.keychain_prefix
            delete_generic = `security delete-generic-password -a #{@key_name} -l #{prefix+keyring.name} 2>&1`

            if delete_generic.include? "security: SecKeychainSearchCopyNext: The specified item could not be found in the keychain."
              $stderr.puts "Removed value for #{@key_name}, but could not delete from Keychain."
            elsif delete_generic.include? "password has been deleted."
              $stderr.puts "Removed value for #{@key_name}, and deleted associated key in Keychain."
            else
              $stderr.puts "Removed value for #{@key_name}."
            end
          else
            $stderr.puts "Could not find key named #{@key_name}."
          end
        end

        def get_current_keyring
          current_dir = Dir.getwd
          keyring = CocoaPodsKeys::KeyringLiberator.get_keyring current_dir
          if !keyring && @project_name
            return CocoaPodsKeys::KeyringLiberator.get_keyring_named @project_name
          end
          keyring
        end

      end
    end
  end
end