import { z } from "zod";

export const base64ConfigSchema = z.object({
  maxInputLength: z.number().int().positive().max(1048576).default(102400),
});

export type Base64ToolConfig = z.infer<typeof base64ConfigSchema>;

export const DEFAULT_BASE64_CONFIG: Base64ToolConfig = {
  maxInputLength: 102400,
};

export function parseBase64Config(raw: unknown): Base64ToolConfig {
  const parsed = base64ConfigSchema.safeParse(raw);
  if (!parsed.success) {
    throw new Error(`Invalid base64 config: ${parsed.error.message}`);
  }
  return parsed.data;
}