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fluxer_app/src/utils/PricingUtils.ts

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+/*
+ * Copyright (C) 2026 Fluxer Contributors
+ *
+ * This file is part of Fluxer.
+ *
+ * Fluxer is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Fluxer is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Fluxer. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+export enum PricingTier {
+	Monthly = 'monthly',
+	Yearly = 'yearly',
+	Visionary = 'visionary',
+}
+
+enum Currency {
+	USD = 'USD',
+	EUR = 'EUR',
+}
+
+const EEA_COUNTRIES = [
+	'AT',
+	'BE',
+	'BG',
+	'HR',
+	'CY',
+	'CZ',
+	'DK',
+	'EE',
+	'FI',
+	'FR',
+	'DE',
+	'GR',
+	'HU',
+	'IE',
+	'IT',
+	'LV',
+	'LT',
+	'LU',
+	'MT',
+	'NL',
+	'PL',
+	'PT',
+	'RO',
+	'SK',
+	'SI',
+	'ES',
+	'SE',
+	'IS',
+	'LI',
+	'NO',
+];
+
+function getCurrency(countryCode: string | null): Currency {
+	if (!countryCode) return Currency.USD;
+	return isEEACountry(countryCode) ? Currency.EUR : Currency.USD;
+}
+
+function isEEACountry(countryCode: string): boolean {
+	return EEA_COUNTRIES.includes(countryCode.toUpperCase());
+}
+
+function getPrice(tier: PricingTier, currency: Currency): number {
+	const prices: Record<PricingTier, Record<Currency, number>> = {
+		[PricingTier.Monthly]: {
+			[Currency.USD]: 4.99,
+			[Currency.EUR]: 4.99,
+		},
+		[PricingTier.Yearly]: {
+			[Currency.USD]: 49.99,
+			[Currency.EUR]: 49.99,
+		},
+		[PricingTier.Visionary]: {
+			[Currency.USD]: 299,
+			[Currency.EUR]: 299,
+		},
+	};
+
+	return prices[tier][currency];
+}
+
+function formatPrice(price: number, currency: Currency): string {
+	const currencySymbols: Record<Currency, string> = {
+		[Currency.USD]: '$',
+		[Currency.EUR]: '€',
+	};
+
+	return `${currencySymbols[currency]}${price.toFixed(2).replace(/\.00$/, '')}`;
+}
+
+export function getFormattedPrice(tier: PricingTier, countryCode: string | null): string {
+	const currency = getCurrency(countryCode);
+	const price = getPrice(tier, currency);
+	return formatPrice(price, currency);
+}