/**
 * Debug logging utility
 * Enable debug output by setting GITFOREST_DEBUG=1 environment variable
 */

const DEBUG = process.env.GITFOREST_DEBUG === "1" || process.env.GITFOREST_DEBUG === "true";

/**
 * Log a debug message (only when GITFOREST_DEBUG is enabled)
 */
export function debug(context: string, message: string, data?: unknown): void {
  if (!DEBUG) return;

  const timestamp = new Date().toISOString();
  if (data !== undefined) {
    console.error(`[gitforest ${timestamp}] [${context}] ${message}`, data);
  } else {
    console.error(`[gitforest ${timestamp}] [${context}] ${message}`);
  }
}

/**
 * Log a debug error (only when GITFOREST_DEBUG is enabled)
 */
export function debugError(context: string, message: string, error: unknown): void {
  if (!DEBUG) return;

  const timestamp = new Date().toISOString();
  const errorMessage = error instanceof Error ? error.message : String(error);
  console.error(`[gitforest ${timestamp}] [${context}] ERROR: ${message} - ${errorMessage}`);
}

/**
 * Check if debug mode is enabled
 */
export function isDebugEnabled(): boolean {
  return DEBUG;
}