export const NIBBLE_STR = "ZPMQVRWSNKTXJBYH";

export const HASHLINE_DICT = Array.from({ length: 256 }, (_, i) => {
  const high = i >>> 4;
  const low = i & 0x0f;
  return `${NIBBLE_STR[high]}${NIBBLE_STR[low]}`;
});

export const HASHLINE_REF_PATTERN = /^([0-9]+)#([ZPMQVRWSNKTXJBYH]{2})$/;
export const HASHLINE_OUTPUT_PATTERN = /^([0-9]+)#([ZPMQVRWSNKTXJBYH]{2})\|(.*)$/;

/** Tolerant regex: strips leading >+- markers, flexible whitespace, ignores trailing content */
export const HASHLINE_TOLERANT_REF_PATTERN = /^\s*[>+-]*\s*(\d+)\s*#\s*([ZPMQVRWSNKTXJBYH]{2})/;