import * as isoly from "isoly"
import { Account } from "../Account"

export interface Transaction {
	from: Account
	to: Account
	amount: number
	currency: isoly.Currency
	schedule: isoly.Date | "hold"
	reference: string
	merchant: string
	mid?: string
	merchantId?: string
	purpose?: string
}

export namespace Transaction {
	export function is(value: any | Transaction): value is Transaction {
		return (
			typeof value == "object" &&
			value &&
			Account.is(value.from) &&
			Account.is(value.to) &&
			typeof value.amount == "number" &&
			isoly.Currency.is(value.currency) &&
			(isoly.Date.is(value.schedule) || value.schedule == "hold") &&
			typeof value.reference == "string" &&
			typeof value.merchant == "string" &&
			(value.mid == undefined || typeof value.mid == "string") &&
			(value.merchantId == undefined || typeof value.merchantId == "string") &&
			(value.purpose == undefined || typeof value.purpose == "string")
		)
	}
	export function toCsv(transactions: Transaction[]): string {
		let result =
			"from,to,bic,internal,local account,amount,currency,schedule,settlement,merchant,mid,merchant id,purpose\r\n"
		for (const value of transactions)
			result +=
				[
					value.from,
					typeof value.to == "string" ? value.to : value.to.iban,
					typeof value.to != "string" ? value.to.bic ?? "" : "",
					typeof value.to != "string" && value.to.bic == "FTCSSESS" ? "y" : "",
					typeof value.to != "string" ? value.to.local ?? "" : "",
					value.amount,
					value.currency,
					value.schedule,
					value.reference,
					value.merchant,
					value.mid ?? "",
					value.merchantId ?? "",
					value.purpose ?? "",
				]
					.map(v => `"${v}"`)
					.join(",") + "\r\n"
		return result
	}
}