# frozen_string_literal: true

class CommandList
	include Enumerable

	def self.register(command)
		@commands ||= []
		@commands << command
	end

	def self.for(customer, from_jid)
		args_for(customer, from_jid).then do |kwargs|
			new(@commands.select { |c| c.list_for?(**kwargs) })
		end
	end

	def self.args_for(customer, from_jid)
		args = {
			from_jid: from_jid, customer: customer,
			tel: customer&.registered? ? customer&.registered?&.phone : nil,
			fwd: customer&.fwd,
			payment_methods: []
		}
		return EMPromise.resolve(args) unless customer&.plan_name

		customer.payment_methods.then do |payment_methods|
			args.merge(payment_methods: payment_methods)
		end
	end

	def initialize(commands)
		@commands = commands
	end

	def each(&blk)
		@commands.map { |c| { node: c.node, name: c.name } }.each(&blk)
	end
end