export type InvoiceStatus = "draft" | "sent" | "paid" | "overdue";

export function getInvoiceStatus(invoice: {
  status: string;
  dueDate: Date | string;
}): InvoiceStatus {
  if (invoice.status === "paid") return "paid";
  if (invoice.status === "draft") return "draft";
  if (new Date(invoice.dueDate) < new Date()) return "overdue";
  return "sent";
}

export const statusLabels: Record<InvoiceStatus, string> = {
  draft: "Draft",
  sent: "Sent",
  paid: "Paid",
  overdue: "Overdue",
};

const lightStatusColors: Record<InvoiceStatus, string> = {
  draft: "#6b7280",
  sent: "#2563eb",
  paid: "#16a34a",
  overdue: "#dc2626",
};

const darkStatusColors: Record<InvoiceStatus, string> = {
  draft: "#A1A1AA",
  sent: "#60A5FA",
  paid: "#4ADE80",
  overdue: "#F87171",
};

/** @deprecated Use `getStatusColor` for theme-aware colors. */
export const statusColors = lightStatusColors;

export function getStatusColor(status: InvoiceStatus, isDark: boolean): string {
  return (isDark ? darkStatusColors : lightStatusColors)[status];
}