export const formatCurrency = (value: number | string | undefined): string => {
  if (value === undefined || value === null) return "€0.00";
  const numValue = typeof value === "string" ? parseFloat(value) : value;
  if (isNaN(numValue)) return "€0.00";
  return `€${numValue.toFixed(2)}`;
};

export const formatPercentage = (
  value: number | string | undefined
): string => {
  if (value === undefined || value === null) return "0%";
  const numValue = typeof value === "string" ? parseFloat(value) : value;
  if (isNaN(numValue)) return "0%";
  return `${numValue.toFixed(2)}%`;
};

interface IHealthData {
  total?: number;
  successful?: number;
  acceptance_rate?: number;
  amount?: number;
  atv?: number;
}

interface IStatItem {
  label: string;
  value: string | number;
  change: string;
}

export const transformHealthDataToStats = (
  healthData: IHealthData | null
): IStatItem[] => {
  if (!healthData) {
    return [
      { label: "TOTAL", value: 0, change: "0%" },
      { label: "SUCCESSFUL", value: 0, change: "0%" },
      { label: "ACCEPTANCE RATE", value: "0%", change: "0%" },
      { label: "AMOUNT", value: "€0.00", change: "0%" },
      { label: "ATV", value: "€0.00", change: "0%" },
    ];
  }

  return [
    {
      label: "TOTAL",
      value: healthData.total ?? 0,
      change: "0%",
    },
    {
      label: "SUCCESSFUL",
      value: healthData.successful ?? 0,
      change: "0%",
    },
    {
      label: "ACCEPTANCE RATE",
      value: formatPercentage(healthData.acceptance_rate),
      change: "0%",
    },
    {
      label: "AMOUNT",
      value: formatCurrency(healthData.amount),
      change: "0%",
    },
    {
      label: "ATV",
      value: formatCurrency(healthData.atv),
      change: "0%",
    },
  ];
};