import { RiBankCard2Line, RiMoneyDollarCircleLine } from "@remixicon/react";
import MoneyValues from "@/components/money-values";
import type { PaymentMethodsData } from "@/lib/dashboard/payments/payment-methods";
import { getPaymentMethodIcon } from "@/lib/utils/icons";
import { Progress } from "../ui/progress";
import { WidgetEmptyState } from "../widget-empty-state";

type PaymentMethodsWidgetProps = {
	data: PaymentMethodsData;
};

const ICON_WRAPPER_CLASS =
	"flex size-9.5 shrink-0 items-center justify-center rounded-lg bg-muted text-foreground";

const formatPercentage = (value: number) =>
	new Intl.NumberFormat("pt-BR", {
		minimumFractionDigits: 0,
		maximumFractionDigits: 1,
	}).format(value);

const resolveIcon = (paymentMethod: string | null | undefined) => {
	if (!paymentMethod) {
		return <RiMoneyDollarCircleLine className="size-5" aria-hidden />;
	}

	const icon = getPaymentMethodIcon(paymentMethod);
	if (icon) {
		return icon;
	}

	return <RiBankCard2Line className="size-5" aria-hidden />;
};

export function PaymentMethodsWidget({ data }: PaymentMethodsWidgetProps) {
	if (data.methods.length === 0) {
		return (
			<WidgetEmptyState
				icon={
					<RiMoneyDollarCircleLine className="size-6 text-muted-foreground" />
				}
				title="Nenhuma despesa encontrada"
				description="Cadastre despesas para visualizar a distribuição por forma de pagamento."
			/>
		);
	}

	return (
		<div className="flex flex-col gap-4 px-0">
			<ul className="flex flex-col gap-2">
				{data.methods.map((method) => {
					const icon = resolveIcon(method.paymentMethod);
					const percentageLabel = formatPercentage(method.percentage);

					return (
						<li
							key={method.paymentMethod}
							className="flex items-center gap-3 border-b border-dashed pb-3 last:border-b-0 last:pb-0"
						>
							<div className={ICON_WRAPPER_CLASS}>{icon}</div>

							<div className="min-w-0 flex-1">
								<div className="flex items-center justify-between">
									<p className="font-medium text-foreground text-sm">
										{method.paymentMethod}
									</p>
									<MoneyValues amount={method.amount} />
								</div>

								<div className="flex items-center justify-between text-xs text-muted-foreground">
									<span>
										{method.transactions}{" "}
										{method.transactions === 1 ? "lançamento" : "lançamentos"}
									</span>
									<span>{percentageLabel}%</span>
								</div>

								<div className="mt-1">
									<Progress value={method.percentage} />
								</div>
							</div>
						</li>
					);
				})}
			</ul>
		</div>
	);
}