// Logger utility for cloud

const LOG_LEVELS = {
  DEBUG: 0,
  INFO: 1,
  WARN: 2,
  ERROR: 3
};

const LEVEL = LOG_LEVELS.DEBUG;

function formatTime() {
  return new Date().toLocaleTimeString("en-US", { hour12: false });
}

function formatData(data) {
  if (!data) return "";
  if (typeof data === "string") return data;
  try {
    return JSON.stringify(data);
  } catch {
    return String(data);
  }
}

export function debug(tag, message, data) {
  if (LEVEL <= LOG_LEVELS.DEBUG) {
    const dataStr = data ? ` ${formatData(data)}` : "";
    console.log(`[${formatTime()}] 🔍 [${tag}] ${message}${dataStr}`);
  }
}

export function info(tag, message, data) {
  if (LEVEL <= LOG_LEVELS.INFO) {
    const dataStr = data ? ` ${formatData(data)}` : "";
    console.log(`[${formatTime()}] ℹ️  [${tag}] ${message}${dataStr}`);
  }
}

export function warn(tag, message, data) {
  if (LEVEL <= LOG_LEVELS.WARN) {
    const dataStr = data ? ` ${formatData(data)}` : "";
    // console.warn(`[${formatTime()}] ⚠️  [${tag}] ${message}${dataStr}`);
  }
}

export function error(tag, message, data) {
  if (LEVEL <= LOG_LEVELS.ERROR) {
    const dataStr = data ? ` ${formatData(data)}` : "";
    console.log(`[${formatTime()}] ❌ [${tag}] ${message}${dataStr}`);
  }
}

export function request(method, path, extra) {
  const dataStr = extra ? ` ${formatData(extra)}` : "";
  console.log(`\x1b[36m[${formatTime()}] 📥 ${method} ${path}${dataStr}\x1b[0m`);
}

export function response(status, duration, extra) {
  const icon = status < 400 ? "📤" : "💥";
  const dataStr = extra ? ` ${formatData(extra)}` : "";
  console.log(`[${formatTime()}] ${icon} ${status} (${duration}ms)${dataStr}`);
}

export function stream(event, data) {
  const dataStr = data ? ` ${formatData(data)}` : "";
  console.log(`[${formatTime()}] 🌊 [STREAM] ${event}${dataStr}`);
}

// Mask sensitive data
export function maskKey(key) {
  if (!key || key.length < 8) return "***";
  return `${key.slice(0, 4)}...${key.slice(-4)}`;
}