import { formatCredits } from '../../lib/credit-costs';

/** What the Force scan button prints, the longer title it carries, and where it leads. */
export interface ScanButtonCopy {
  label: string;
  title: string;
  /** The brand is not set up yet: the button opens the settings instead of scanning. */
  opensSettings: boolean;
}

/**
 * The Force scan button's words: the price of the scan when the agent has
 * said it, so the merchant reads what a press costs before pressing.
 *
 * @param {boolean} requiresSetup - The brand still lacks its language and country.
 * @param {number | null} scanCostCredits - Credits one scan debits; null when unknown.
 * @returns {ScanButtonCopy} The label and the title.
 */
export const scanButtonCopy = (
  requiresSetup: boolean,
  scanCostCredits: number | null
): ScanButtonCopy => {
  if (requiresSetup) {
    return {
      label: 'Set language & country',
      title: 'Set brand language and country before scanning',
      opensSettings: true,
    };
  }
  if (scanCostCredits === null || scanCostCredits <= 0) {
    return {
      label: 'Force scan now',
      title: 'Force scan now',
      opensSettings: false,
    };
  }
  const price = formatCredits(scanCostCredits);

  return {
    label: `Force scan now · ${price}`,
    title: `Force scan now. Costs ${price}, debited when the scan runs.`,
    opensSettings: false,
  };
};