1# frozen_string_literal: true
 2
 3module TrustLevel
 4	def self.for(plan_name:, settled_amount: 0, manual: nil)
 5		@levels.each do |level|
 6			tl = level.call(
 7				plan_name: plan_name,
 8				settled_amount: settled_amount,
 9				manual: manual
10			)
11			return tl if tl
12		end
13
14		raise "No TrustLevel matched"
15	end
16
17	def self.register(&maybe_mk)
18		@levels ||= []
19		@levels << maybe_mk
20	end
21
22	class Tomb
23		TrustLevel.register do |manual:, **|
24			new if manual == "Tomb"
25		end
26
27		def support_call?(*)
28			false
29		end
30	end
31
32	class Basement
33		TrustLevel.register do |manual:, settled_amount:, **|
34			new if manual == "Basement" || (!manual && settled_amount < 10)
35		end
36
37		def support_call?(rate, concurrency)
38			rate <= 0.02 && concurrency < 1
39		end
40	end
41
42	class Paragon
43		TrustLevel.register do |manual:, settled_amount:, **|
44			new if manual == "Paragon" || (!manual && settled_amount > 60)
45		end
46
47		def support_call?(_, concurrency)
48			concurrency < 10
49		end
50	end
51
52	class Customer
53		TrustLevel.register do |manual:, plan_name:, **|
54			if manual && manual != "Customer"
55				Sentry.capture_message("Unknown TrustLevel: #{manual}")
56			end
57
58			new(plan_name)
59		end
60
61		EXPENSIVE_ROUTE = {
62			"usd_beta_unlimited-v20210223" => 0.9,
63			"cad_beta_unlimited-v20210223" => 1.1
64		}.freeze
65
66		def initialize(plan_name)
67			@max_rate = EXPENSIVE_ROUTE.fetch(plan_name, 0.1)
68		end
69
70		def support_call?(rate, concurrency)
71			rate <= @max_rate && concurrency < 4
72		end
73	end
74end