require "json"

module Devops
  module Version2_0
    module Routes
      module ServerRoutes

        def self.registered(app)
          app.before %r{\A/server/[\w]+/(pause|unpouse|reserve|unreserve)\z} do
            check_headers :accept, :content_type
            check_privileges("server", "w")
            body = create_object_from_json_body(Hash, true)
            @key = (body.nil? ? nil : body["key"])
          end

          app.after %r{\A/server(/[\w]+)?\z | \A/server/(add|bootstrap)\z | \A/server/[\w]+/(un)?pause\z} do
            statistic
          end

          # Get devops servers list
          #
          # * *Request*
          #   - method : GET
          #   - headers :
          #     - Accept: application/json
          #   - params :
          #     - fields - show server fields, available values: project, deploy_env, provider, remote_user, private_ip, public_ip, created_at, created_by, static, key, reserved_by
          #
          # * *Returns* :
          #   [
          #     {
          #       "id": "instance id",
          #       "chef_node_name": "chef name"
          #     }
          #   ]
          app.before "/servers" do
            check_headers :accept
            check_privileges("server", "r")
          end
          app.get "/servers", &Devops::Version2_0::Handler::Server.get_servers

          # Get chef nodes list
          #
          # * *Request*
          #   - method : GET
          #   - headers :
          #     - Accept: application/json
          #
          # * *Returns* :
          #   [
          #     {
          #       "chef_node_name": "chef name"
          #     }
          #   ]
          app.before "/servers/chef" do
            check_headers :accept
            check_privileges("server", "r")
          end
          app.get "/servers/chef", &Devops::Version2_0::Handler::Server.get_chef_servers

          # Get provider servers list
          #
          # * *Request*
          #   - method : GET
          #   - headers :
          #     - Accept: application/json
          #
          # * *Returns* :
          #   -ec2
          #   [
          #      {
          #       "state": "running",
          #       "name": "name",
          #       "image": "ami-83e4bcea",
          #       "flavor": "m1.small",
          #       "keypair": "ssh key",
          #       "instance_id": "i-8441bfd4",
          #       "dns_name": "ec2-204-236-199-49.compute-1.amazonaws.com",
          #       "zone": "us-east-1d",
          #       "private_ip": "10.215.217.210",
          #       "public_ip": "204.236.199.49",
          #       "launched_at": "2014-04-25 07:56:33 UTC"
          #     }
          #   ]
          #   -openstack
          #   [
          #     {
          #       "state": "ACTIVE",
          #       "name": "name",
          #       "image": "image id",
          #       "flavor": null,
          #       "keypair": "ssh key",
          #       "instance_id": "instance id",
          #       "private_ip": "172.17.0.1"
          #     }
          #   ]
          app.before "/servers/:provider" do
            check_headers :accept
            check_privileges("server", "r")
          end
          app.get "/servers/:provider", &Devops::Version2_0::Handler::Server.get_provider_servers

          # Get server info by :name
          #
          # * *Request*
          #   - method : GET
          #   - headers :
          #     - Accept: application/json
          #   - parameters:
          #     key=instance -> search server by instance_id rather then chef_node_name
          #
          # * *Returns* :
          #   [
          #     {
          #       "chef_node_name": "chef name"
          #     }
          #   ]
          app.before "/server/:name" do
            if request.get?
              check_headers :accept
              check_privileges("server", "r")
            elsif request.delete?
              check_headers
              check_privileges("server", "w")
            end
          end
          app.get "/server/:name", &Devops::Version2_0::Handler::Server.get_server

          # Delete devops server
          #
          # * *Request*
          #   - method : DELETE
          #   - headers :
          #     - Accept: application/json
          #     - Content-Type: application/json
          #   - body :
          #     {
          #       "key": "instance", -> search server by instance_id rather then chef_node_name
          #     }
          #
          # * *Returns* :
          #   200 - Deleted
          app.delete "/server/:id", &Devops::Version2_0::Handler::Server.delete_server

          # Create devops server
          #
          # * *Request*
          #   - method : POST
          #   - headers :
          #     - Accept: application/json
          #     - Content-Type: application/json
          #   - body :
          #     {
          #       "project": "project name", -> mandatory parameter
          #       "deploy_env": "env",       -> mandatory parameter
          #       "name": "server_name",     -> if null, name will be generated
          #       "without_bootstrap": null, -> do not install chef on instance if true
          #       "force": null,             -> do not delete server on error
          #       "groups": [],              -> specify special security groups, overrides value from project env
          #       "key": "ssh key",          -> specify ssh key for server, overrides value from project env
          #       "trace": true              -> return output in stream
          #     }
          #
          # * *Returns* : text stream
          app.before "/server" do
            check_headers :content_type
            check_privileges("server", "w")
          end
          app.post "/server", &Devops::Version2_0::Handler::Server.create_server

          # Pause devops server by name
          #
          # * *Request*
          #   - method : POST
          #   - headers :
          #     - Accept: application/json
          #     - Content-Type: application/json
          #   - body :
          #     {
          #       "key": "instance", -> search server by instance_id rather then chef_node_name
          #     }
          #
          # * *Returns* :
          #   200 - Paused
          app.post "/server/:node_name/pause", &Devops::Version2_0::Handler::Server.pause_server

          # Unpause devops server by name
          #
          # * *Request*
          #   - method : POST
          #   - headers :
          #     - Accept: application/json
          #     - Content-Type: application/json
          #   - body :
          #     {
          #       "key": "instance", -> search server by instance_id rather then chef_node_name
          #     }
          #
          # * *Returns* :
          #   200 - Unpaused
          app.post "/server/:node_name/unpause", &Devops::Version2_0::Handler::Server.unpause_server

          # Reserve devops server
          #
          # * *Request*
          #   - method : POST
          #   - headers :
          #     - Accept: application/json
          #     - Content-Type: application/json
          #   - body :
          #     {
          #       "key": "instance", -> search server by instance_id rather then chef_node_name
          #     }
          #
          # * *Returns* :
          #   200 - Reserved
          app.post "/server/:node_name/reserve", &Devops::Version2_0::Handler::Server.reserve_server

          # Unreserve devops server
          #
          # * *Request*
          #   - method : POST
          #   - headers :
          #     - Accept: application/json
          #     - Content-Type: application/json
          #   - body :
          #     {
          #       "key": "instance", -> search server by instance_id rather then chef_node_name
          #     }
          #
          # * *Returns* :
          #   200 - Unreserved
          app.post "/server/:node_name/unreserve", &Devops::Version2_0::Handler::Server.unreserve_server

          # Bootstrap devops server
          #
          # * *Request*
          #   - method : POST
          #   - headers :
          #     - Accept: application/json
          #     - Content-Type: application/json
          #   - body :
          #     {
          #       "instance_id": "instance id", -> mandatory parameter
          #       "name": "server_name", -> if null, name will be generated
          #       "run_list": [], -> specify list of roles and recipes
          #       "bootstrap_template": "template" -> specify ssh key for server, overrides value from project env
          #     }
          #
          # * *Returns* : text stream
          app.before "/server/bootstrap" do
            check_headers
            check_privileges("server", "w")
          end
          app.post "/server/bootstrap", &Devops::Version2_0::Handler::Server.bootstrap_server

          # Add external server to devops
          #
          # * *Request*
          #   - method : POST
          #   - headers :
          #     - Accept: application/json
          #     - Content-Type: application/json
          #   - body :
          #     {
          #       "project": "project name", -> mandatory parameter
          #       "deploy_env": "env",       -> mandatory parameter
          #       "key": "ssh key",          -> mandatory parameter
          #       "remote_user": "ssh user", -> mandatory parameter
          #       "private_ip": "ip",         -> mandatory parameter
          #       "public_ip": "ip"
          #     }
          #
          # * *Returns* :
          #   200 - Added
          app.before "/server/add" do
            check_headers
            check_privileges("server", "w")
          end
          app.post "/server/add", &Devops::Version2_0::Handler::Server.add_server

          puts "Server routes initialized"
        end

      end
    end
  end
end