# Copyright 2018 Google, Inc
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

def job_discovery_generate_job_with_custom_attribute company_name:, requisition_id:
  # [START job_discovery_generate_job_with_custom_attribute]
  # company_name   = "The resource name of the company listing the job. The format is "projects/{project_id}/companies/{company_id}""
  # requisition_id = "The posting ID, assigned by the client to identify a job"

  require "google/apis/jobs_v3"

  jobs = Google::Apis::JobsV3
  talent_solution_client = jobs::CloudTalentSolutionService.new
  # @see
  # https://developers.google.com/identity/protocols/application-default-credentials#callingruby
  talent_solution_client.authorization = Google::Auth.get_application_default(
    "https://www.googleapis.com/auth/jobs"
  )
  # Constructs custom attributes map
  custom_attributes = {}
  # First custom attribute
  custom_attributes["someFieldName1"] = jobs::CustomAttribute.new string_values: ["value1"],
                                                                  filterable:    true
  # Second custom attribute
  custom_attributes["someFieldName2"] = jobs::CustomAttribute.new long_values: [256],
                                                                  filterable:  true
  # Creates job with custom attributes
  job_generated =
    jobs::Job.new requisition_id:    requisition_id,
                  title:             " Lab Technician",
                  company_name:      company_name,
                  application_info:  (jobs::ApplicationInfo.new uris: ["http://careers.google.com"]),
                  description:       "Design, develop, test, deploy, maintain and improve software.",
                  custom_attributes: custom_attributes

  puts "Featured Job generated: #{job_generated.to_json}"
  job_generated
  # [END job_discovery_generate_job_with_custom_attribute]
end

def job_discovery_filters_on_long_value_custom_attribute project_id:
  # [START job_discovery_filters_on_long_value_custom_attribute]
  # project_id       = "Id of the project"

  require "google/apis/jobs_v3"

  jobs = Google::Apis::JobsV3
  talent_solution_client = jobs::CloudTalentSolutionService.new
  # @see https://developers.google.com/identity/protocols/application-default-credentials#callingruby
  talent_solution_client.authorization = Google::Auth.get_application_default(
    "https://www.googleapis.com/auth/jobs"
  )
  # Make sure to set the request_metadata the same as the associated search request
  request_metadata = jobs::RequestMetadata.new user_id:    "HashedUserId",
                                               session_id: "HashedSessionId",
                                               domain:     "www.google.com"
  # Perform a search for analyst  related jobs
  custom_attribute_filter = "(255 <= someFieldName2) AND (someFieldName2 <= 257)"
  job_query = jobs::JobQuery.new custom_attribute_filter: custom_attribute_filter
  search_jobs_request = jobs::SearchJobsRequest.new request_metadata: request_metadata,
                                                    job_query:        job_query,
                                                    job_view:         "JOB_VIEW_FULL"
  search_jobs_response = talent_solution_client.search_jobs project_id, search_jobs_request

  puts search_jobs_response.to_json
  search_jobs_response
  # [END job_discovery_filters_on_long_value_custom_attribute]
end

def job_discovery_filters_on_string_value_custom_attribute project_id:
  # [START job_discovery_filters_on_string_value_custom_attribute]
  # project_id      = "Id of the project"

  require "google/apis/jobs_v3"

  jobs = Google::Apis::JobsV3
  talent_solution_client = jobs::CloudTalentSolutionService.new
  # @see https://developers.google.com/identity/protocols/application-default-credentials#callingruby
  talent_solution_client.authorization = Google::Auth.get_application_default(
    "https://www.googleapis.com/auth/jobs"
  )

  # Make sure to set the request_metadata the same as the associated search request
  request_metadata = jobs::RequestMetadata.new user_id:    "HashedUserId",
                                               session_id: "HashedSessionId",
                                               domain:     "www.google.com"

  # Perform a search for analyst  related jobs
  job_query = jobs::JobQuery.new custom_attribute_filter: "NOT EMPTY(someFieldName1)"
  search_jobs_request = jobs::SearchJobsRequest.new request_metadata: request_metadata,
                                                    job_query:        job_query,
                                                    job_view:         "JOB_VIEW_FULL"
  search_jobs_response = talent_solution_client.search_jobs project_id, search_jobs_request

  puts search_jobs_response.to_json
  search_jobs_response
  # [END job_discovery_filters_on_string_value_custom_attribute]
end

def job_discovery_filters_on_multi_custom_attributes project_id:
  # [START job_discovery_filters_on_multi_custom_attributes]
  # project_id       = "Id of the project"

  require "google/apis/jobs_v3"

  jobs = Google::Apis::JobsV3
  talent_solution_client = jobs::CloudTalentSolutionService.new
  # @see
  # https://developers.google.com/identity/protocols/application-default-credentials#callingruby
  talent_solution_client.authorization = Google::Auth.get_application_default(
    "https://www.googleapis.com/auth/jobs"
  )

  # Make sure to set the request_metadata the same as the associated search request
  request_metadata = jobs::RequestMetadata.new user_id:    "HashedUserId",
                                               session_id: "HashedSessionId",
                                               domain:     "www.google.com"
  custom_attribute_filter = "NOT EMPTY(someFieldName1) " \
                            "AND ((255 <= someFieldName2) OR (someFieldName2 <= 213))"
  job_query = jobs::JobQuery.new custom_attribute_filter: custom_attribute_filter
  search_jobs_request = jobs::SearchJobsRequest.new request_metadata: request_metadata,
                                                    job_query:        job_query,
                                                    job_view:         "JOB_VIEW_FULL"
  search_jobs_response = talent_solution_client.search_jobs project_id, search_jobs_request

  puts search_jobs_response.to_json
  search_jobs_response
  # [END job_discovery_filters_on_multi_custom_attributes]
end

def run_custom_attribute_sample arguments
  require_relative "basic_company_sample"
  require_relative "basic_job_sample"

  command = arguments.shift
  default_project_id = "projects/#{ENV['GOOGLE_CLOUD_PROJECT']}"

  company_name = "#{default_project_id}/companies/#{arguments.shift}"

  case command
  when "create_job_with_custom_attribute"
    job_generated = job_discovery_generate_job_with_custom_attribute company_name:   company_name,
                                                                     requisition_id: arguments.shift
    job_discovery_create_job job_to_be_created: job_generated,
                             project_id:        default_project_id
  when "filters_on_long_value_custom_attribute"
    job_discovery_filters_on_long_value_custom_attribute project_id: default_project_id
  when "filters_on_string_value_custom_attribute"
    job_discovery_filters_on_string_value_custom_attribute project_id: default_project_id
  when "filters_on_multi_custom_attributes"
    job_discovery_filters_on_multi_custom_attributes project_id: default_project_id
  else
    puts <<~USAGE
      Usage: bundle exec ruby custom_attribute_sample.rb [command] [arguments]
      Commands:
        create_job_with_custom_attribute               <company_name> <requisition_id>  Create job with custom attribute under given company.
        filters_on_long_value_custom_attribute         <project_id>                   Filter jobs on long value customer attribute under given comany.
        filters_on_string_value_custom_attribute       <project_id>                   Filter jobs on string value customer attribute under given comany.
        filters_on_multi_custom_attributes             <project_id>                   Filter jobs on multi customer attributes under given comany.
      Environment variables:
        GOOGLE_CLOUD_PROJECT must be set to your Google Cloud project ID
    USAGE
  end
end

run_custom_attribute_sample(*ARGV) if $PROGRAM_NAME == __FILE__