#!/usr/bin/ruby
# MPW is a software to crypt and manage your passwords
# Copyright (C) 2017  Adrien Waksberg <mpw@yae.im>
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

require 'i18n'

module MPW
  class Item
    attr_accessor :id
    attr_accessor :group
    attr_accessor :host
    attr_accessor :protocol
    attr_accessor :user
    attr_accessor :port
    attr_accessor :otp
    attr_accessor :comment
    attr_accessor :last_edit
    attr_accessor :created

    # @param options [Hash] the option :host is required
    def initialize(**options)
      if !options.key?(:host) || options[:host].to_s.empty?
        raise I18n.t('error.update.host_empty')
      end

      if !options.key?(:id) || options[:id].to_s.empty? || !options.key?(:created) || options[:created].to_s.empty?
        @id = generate_id
        @created = Time.now.to_i
      else
        @id = options[:id]
        @created   = options[:created]
        @last_edit = options[:last_edit]
        options[:no_update_last_edit] = true
      end

      update(options)
    end

    # Update the item
    # @param options [Hash]
    def update(**options)
      if options.key?(:host) && options[:host].to_s.empty?
        raise I18n.t('error.update.host_empty')
      end

      @group     = options[:group]      if options.key?(:group)
      @host      = options[:host]       if options.key?(:host)
      @protocol  = options[:protocol]   if options.key?(:protocol)
      @user      = options[:user]       if options.key?(:user)
      @port      = options[:port].to_i  if options.key?(:port) && !options[:port].to_s.empty?
      @otp       = options[:otp]        if options.key?(:otp)
      @comment   = options[:comment]    if options.key?(:comment)
      @last_edit = Time.now.to_i        unless options.key?(:no_update_last_edit)
    end

    # Delete all data
    def delete
      @id        = nil
      @group     = nil
      @host      = nil
      @protocol  = nil
      @user      = nil
      @port      = nil
      @otp       = nil
      @comment   = nil
      @created   = nil
      @last_edit = nil
    end

    # Return data on url format
    # @return [String] an url
    def url
      url = ''
      url += "#{@protocol}://" if @protocol
      url += @host
      url += ":#{@port}" if @port

      url
    end

    def empty?
      @id.to_s.empty?
    end

    def nil?
      false
    end

    private

    # Generate an random id
    # @return [String] random string
    def generate_id
      [*('A'..'Z'), *('a'..'z'), *('0'..'9')].sample(16).join
    end
  end
end