require 'rest_client'
require 'json'

module FreeboxApi

  class Freebox

    attr_reader :app_token, :app_id, :app_name, :app_version, :device_name, :base_url

    def initialize(app_token, app_id, app_name, app_version, device_name, base_url = 'http://mafreebox.free.fr')
      @app_id = app_id
      @app_name = app_name
      @app_version = app_version
      @device_name = device_name
      @app_token = app_token
      @base_url = base_url
    end

    def self.app_token(app_id, app_name, app_version, device_name)
      JSON.parse(RestClient.post(
        "#{@base_url}/api/v1/login/authorize",
        {
          :app_id      => app_id,
          :app_name    => app_name,
          :app_version => app_version,
          :device_name => device_name,
        }.to_json,
        :content_type => :json,
        :accept => :json
      ))['result']['app_token']
    end

    def challenge
      JSON.parse(RestClient.get("#{@base_url}/api/v1/login/"))['result']['challenge']
    end

    def password
      Digest::HMAC.hexdigest(challenge, @app_token, Digest::SHA1)
    end

    def session_token
      JSON.parse(
        RestClient.post(
          "#{@base_url}/api/v1/login/session/",
          {
            :app_id   => @app_id,
            :password => password,
          }.to_json,
          :content_type => :json,
          :accept => :json
        )
      )['result']['session_token']
    end

    def interfaces
      JSON.parse(
        RestClient.get(
          "#{@base_url}/api/v1/lan/browser/interfaces",
          :'X_Fbx_App_Auth' => session_token
        )
      )['result'].collect { |interface|
        FreeboxApi::Resources::Interface.new(interface['name'], interface['host_count'], self)
      }
    end

    def lan_hosts
      interfaces.collect { |interface|
        interface.lan_hosts
      }.flatten
    end

    def static_leases
      JSON.parse(
        RestClient.get(
          "#{@base_url}/api/v1/dhcp/static_lease/",
          :'X_Fbx_App_Auth' => session_token
        )
      )['result'].collect { |static_lease|
        FreeboxApi::Resources::StaticLease.new(
          static_lease['id'],
          static_lease['mac'],
          static_lease['comment'],
          static_lease['hostname'],
          static_lease['ip'],
          lan_hosts.select { |lan_host| lan_host.id == static_lease['host']['id'] },
          self
        )
      }
    end

    def redirs
      JSON.parse(
        RestClient.get(
          "#{@base_url}/api/v1/fw/redir/",
          :'X_Fbx_App_Auth' => session_token
        )
      )['result'].collect { |redir|
        FreeboxApi::Resources::Redir.new(
          redir['id'],
          redir['enabled'],
          redir['ip_proto'],
          redir['wan_port_start'],
          redir['wan_port_end'],
          redir['lan_ip'],
          redir['lan_port'],
          redir['hostname'],
          lan_hosts.select { |lan_host| lan_host.id == redir['host']['id'] },
          redir['comment'],
          self
        )
      }
    end

  end

end

require 'freebox_api/version'
resource_files = Dir[File.expand_path("#{File.dirname(__FILE__)}/freebox_api/resources/*.rb", __FILE__)]
resource_files.each { |f| require f }