import { PRESENTATION_AI_ACTION_PRICING_TYPE } from '../../constants';
import { PresentationAiActionPricingRules } from '../../models';

export function calculatePresentationAiActionPrice(
    pricingRules: PresentationAiActionPricingRules,
    selectionText: string,
): number {
    switch (pricingRules.type) {
        case PRESENTATION_AI_ACTION_PRICING_TYPE.PER_CHARACTER:
            const characterCount = selectionText.length;
            const price = characterCount * pricingRules.price;
            return Math.max(1, Math.ceil(price));

        case PRESENTATION_AI_ACTION_PRICING_TYPE.FLAT:
            return Math.max(1, Math.ceil(pricingRules.price));

        default:
            throw new Error(`Unknown pricing type`);
    }
}