src/lib/index.ts

import type { ChatModelProvider, TokenUsage } from './helpers/types';

export const MAX_MODELS_PER_NODE = 5;
export const MAX_TRENDING_MODELS = 10;
export const MAX_SUGGESTIONS = 2;
export const MAX_DEFAULT_MODELS = 2;

export function formatPricingCost(pricing: ChatModelProvider['pricing'], amount: number) {
	if (!pricing) return null;
	return `$${pricing.input * amount} for input, $${pricing.output * amount} for output`;
}

export function formatPricingPerToken(pricing: ChatModelProvider['pricing']) {
	if (!pricing) return null;
	const inPrice = pricing.input.toFixed(2);
	const outPrice = pricing.output.toFixed(2);
	return `In: $${inPrice}/1M • Out: $${outPrice}/1M`;
}

export function formatUsageCost(pricing: ChatModelProvider['pricing'], usage: TokenUsage) {
	if (!pricing || !usage) return null;
	const inputCost = (pricing.input / 1_000_000) * (usage.prompt_tokens ?? 0);
	const outputCost = (pricing.output / 1_000_000) * (usage.completion_tokens ?? 0);
	const total = inputCost + outputCost;
	if (total === 0) return null;
	return `$${total.toFixed(6)}`;
}

export function getProviderName(provider: string) {
	const providersMap = {
		together: 'togethercomputer'
	};
	return providersMap[provider as keyof typeof providersMap] ?? provider;
}