1# frozen_string_literal: true
 2
 3require_relative "./xep0122_field"
 4
 5class BuyAccountCreditForm
 6	def self.for(customer)
 7		@customer.payment_methods.then do |payment_methods|
 8			new(customer.balance, payment_methods)
 9		end
10	end
11
12	def initialize(balance, payment_methods)
13		@balance = balance
14		@payment_methods = payment_methods
15	end
16
17	AMOUNT_FIELD =
18		XEP0122Field.new(
19			"xs:decimal",
20			range: (0..1000),
21			var: "amount",
22			label: "Amount of credit to buy",
23			required: true
24		).field
25
26	def balance
27		{
28			type: "fixed",
29			value: "Current balance: $#{'%.2f' % @balance}"
30		}
31	end
32
33	def add_to_form(form)
34		form.type = :form
35		form.title = "Buy Account Credit"
36		form.fields = [
37			balance,
38			@payment_methods.to_list_single,
39			AMOUNT_FIELD
40		]
41	end
42
43	def parse(form)
44		{
45			payment_method: @payment_methods.fetch(
46				form.field("payment_method")&.value.to_i
47			),
48			amount: form.field("amount")&.value&.to_s
49		}
50	end
51end