1# frozen_string_literal: true
 2
 3class CommandList
 4	include Enumerable
 5
 6	def self.register(command)
 7		@commands ||= []
 8		@commands << command
 9	end
10
11	def self.for(customer)
12		EMPromise.resolve(customer&.registered?).catch { nil }.then do |reg|
13			args_for(customer, reg).then do |kwargs|
14				new(@commands.select { |c| c.list_for?(**kwargs) })
15			end
16		end
17	end
18
19	def self.args_for(customer, reg)
20		args = { customer: customer, tel: reg ? reg.phone : nil }
21		return EMPromise.resolve(args) unless args[:tel]
22
23		EMPromise.all([
24			REDIS.get("catapult_fwd-#{args[:tel]}"),
25			customer.plan_name ? customer.payment_methods : []
26		]).then do |(fwd, payment_methods)|
27			args.merge(fwd: fwd, payment_methods: payment_methods)
28		end
29	end
30
31	def initialize(commands)
32		@commands = commands
33	end
34
35	def each(&blk)
36		@commands.map { |c| { node: c.node, name: c.name } }.each(&blk)
37	end
38end