import createDebug from "debug";

const inputDebug = createDebug("bunli:tui:input");
const verboseInputDebug = createDebug("bunli:tui:input:verbose");

const DEBUG_INPUTS = inputDebug.enabled || verboseInputDebug.enabled;
export const DEBUG_VERBOSE = verboseInputDebug.enabled;

export function formatDebugSequence(sequence: string): string {
  return sequence
    .replace(/\u001b/g, "\\u001b")
    .replace(/\u0003/g, "\\u0003")
    .replace(/\r/g, "\\r")
    .replace(/\n/g, "\\n");
}

export function isEscapeRawSequence(sequence: string): boolean {
  if (sequence === "\u001b" || sequence === "\u001b\u001b" || sequence === "\u001b[27u")
    return true;
  return /^\u001b\[27;\d+;27~$/.test(sequence);
}

export function isCtrlCRawSequence(sequence: string): boolean {
  return sequence === "\u0003";
}

export function shouldLogRawSequence(sequence: string): boolean {
  if (!DEBUG_INPUTS) return false;
  if (DEBUG_VERBOSE) return true;
  return isEscapeRawSequence(sequence) || isCtrlCRawSequence(sequence);
}

export function debugInput(message: string) {
  if (!DEBUG_INPUTS) return;
  inputDebug(message);
}