java()
local Luan = require "luan:Luan"
local error = Luan.error
local assert_integer = Luan.assert_integer
local StripeLuan = require "java:luan.modules.stripe.StripeLuan"
local Stripe = require "java:com.stripe.Stripe"
local Customer = require "java:com.stripe.model.Customer"
local Charge = require "java:com.stripe.model.Charge"

currency = "usd"

function init(api_key)
	Stripe.apiKey = api_key
end

function create_customer(params)
	local java_customer = Customer.create(params)
	return StripeLuan.table(java_customer)
end

function retrieve_customer(id)
	local java_customer = Customer.retrieve(id)
	return StripeLuan.table(java_customer)
end

function create_charge(params)
	params.amount or error "missing parameter 'amount'"
	params.amount = assert_integer(params.amount)
	params.currency = params.currency or currency
	local java_charge = Charge.create(params)
	return StripeLuan.table(java_charge)
end