import {
	RiCheckLine,
	RiLoader2Fill,
	RiRefreshLine,
	RiSlideshowLine,
} from "@remixicon/react";
import type { ReactNode } from "react";
import MoneyValues from "@/components/money-values";
import type { PaymentConditionsData } from "@/lib/dashboard/payments/payment-conditions";
import { Progress } from "../ui/progress";
import { WidgetEmptyState } from "../widget-empty-state";

type PaymentConditionsWidgetProps = {
	data: PaymentConditionsData;
};

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

const CONDITION_ICONS: Record<string, ReactNode> = {
	"À vista": <RiCheckLine className="size-5" aria-hidden />,
	Parcelado: <RiLoader2Fill className="size-5" aria-hidden />,
	Recorrente: <RiRefreshLine className="size-5" aria-hidden />,
};

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

export function PaymentConditionsWidget({
	data,
}: PaymentConditionsWidgetProps) {
	if (data.conditions.length === 0) {
		return (
			<WidgetEmptyState
				icon={<RiSlideshowLine className="size-6 text-muted-foreground" />}
				title="Nenhuma despesa encontrada"
				description="As distribuições por condição aparecerão conforme novos lançamentos."
			/>
		);
	}

	return (
		<div className="flex flex-col gap-4 px-0">
			<ul className="flex flex-col gap-2">
				{data.conditions.map((condition) => {
					const Icon =
						CONDITION_ICONS[condition.condition] ?? CONDITION_ICONS["À vista"];
					const percentageLabel = formatPercentage(condition.percentage);

					return (
						<li
							key={condition.condition}
							className="flex items-center gap-3 border-b border-dashed pb-3 last:border-b-0 last:pb-0"
						>
							<div className={CONDITION_ICON_CLASSES}>{Icon}</div>

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

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

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