# frozen_string_literal: true

module API
  module Admin
    module Ci
      class Variables < Grape::API
        include PaginationParams

        before { authenticated_as_admin! }

        namespace 'admin' do
          namespace 'ci' do
            namespace 'variables' do
              desc 'Get instance-level variables' do
                success Entities::Variable
              end
              params do
                use :pagination
              end
              get '/' do
                variables = ::Ci::InstanceVariable.all

                present paginate(variables), with: Entities::Variable
              end

              desc 'Get a specific variable from a group' do
                success Entities::Variable
              end
              params do
                requires :key, type: String, desc: 'The key of the variable'
              end
              get ':key' do
                key = params[:key]
                variable = ::Ci::InstanceVariable.find_by_key(key)

                break not_found!('InstanceVariable') unless variable

                present variable, with: Entities::Variable
              end

              desc 'Create a new instance-level variable' do
                success Entities::Variable
              end
              params do
                requires :key,
                  type: String,
                  desc: 'The key of the variable'

                requires :value,
                  type: String,
                  desc: 'The value of the variable'

                optional :protected,
                  type: String,
                  desc: 'Whether the variable is protected'

                optional :masked,
                  type: String,
                  desc: 'Whether the variable is masked'

                optional :variable_type,
                  type: String,
                  values: ::Ci::InstanceVariable.variable_types.keys,
                  desc: 'The type of variable, must be one of env_var or file. Defaults to env_var'
              end
              post '/' do
                variable_params = declared_params(include_missing: false)

                variable = ::Ci::InstanceVariable.new(variable_params)

                if variable.save
                  present variable, with: Entities::Variable
                else
                  render_validation_error!(variable)
                end
              end

              desc 'Update an existing instance-variable' do
                success Entities::Variable
              end
              params do
                optional :key,
                  type: String,
                  desc: 'The key of the variable'

                optional :value,
                  type: String,
                  desc: 'The value of the variable'

                optional :protected,
                  type: String,
                  desc: 'Whether the variable is protected'

                optional :masked,
                  type: String,
                  desc: 'Whether the variable is masked'

                optional :variable_type,
                  type: String,
                  values: ::Ci::InstanceVariable.variable_types.keys,
                  desc: 'The type of variable, must be one of env_var or file'
              end
              put ':key' do
                variable = ::Ci::InstanceVariable.find_by_key(params[:key])

                break not_found!('InstanceVariable') unless variable

                variable_params = declared_params(include_missing: false).except(:key)

                if variable.update(variable_params)
                  present variable, with: Entities::Variable
                else
                  render_validation_error!(variable)
                end
              end

              desc 'Delete an existing instance-level variable' do
                success Entities::Variable
              end
              params do
                requires :key, type: String, desc: 'The key of the variable'
              end
              delete ':key' do
                variable = ::Ci::InstanceVariable.find_by_key(params[:key])
                not_found!('InstanceVariable') unless variable

                variable.destroy

                no_content!
              end
            end
          end
        end
      end
    end
  end
end