# frozen_string_literal: true

module GoogleCloud
  class BaseService < ::BaseService
    protected

    def google_oauth2_token
      @params[:google_oauth2_token]
    end

    def gcp_project_id
      @params[:gcp_project_id]
    end

    def environment_name
      @params[:environment_name]
    end

    def google_api_client
      @google_api_client_instance ||= GoogleApi::CloudPlatform::Client.new(google_oauth2_token, nil)
    end

    def unique_gcp_project_ids
      filter_params = { key: 'GCP_PROJECT_ID' }
      ::Ci::VariablesFinder.new(project, filter_params).execute.map(&:value).uniq
    end

    def group_vars_by_environment(keys)
      filtered_vars = project.variables.filter { |variable| keys.include? variable.key }
      filtered_vars.each_with_object({}) do |variable, grouped|
        grouped[variable.environment_scope] ||= {}
        grouped[variable.environment_scope][variable.key] = variable.value
      end
    end

    def create_or_replace_project_vars(environment_scope, key, value, is_protected)
      change_params = {
        variable_params: {
          key: key,
          value: value,
          environment_scope: environment_scope,
          protected: is_protected
        }
      }
      existing_variable = find_existing_variable(environment_scope, key)

      if existing_variable
        change_params[:action] = :update
        change_params[:variable] = existing_variable
      else
        change_params[:action] = :create
      end

      ::Ci::ChangeVariableService.new(container: project, current_user: current_user, params: change_params).execute
    end

    private

    def find_existing_variable(environment_scope, key)
      filter_params = { key: key, filter: { environment_scope: environment_scope } }
      ::Ci::VariablesFinder.new(project, filter_params).execute.first
    end
  end
end