/**
 * Discord message utilities
 */

/**
 * Split a message into chunks that fit within Discord's limit
 */
export function splitMessage(content: string, maxLength = 1900): string[] {
  if (content.length <= maxLength) {
    return [content];
  }

  const chunks: string[] = [];
  let remaining = content;

  while (remaining.length > 0) {
    if (remaining.length <= maxLength) {
      chunks.push(remaining);
      break;
    }

    // Try to split at a natural break point
    let splitPoint = remaining.lastIndexOf("\n", maxLength);
    if (splitPoint === -1 || splitPoint < maxLength / 2) {
      splitPoint = remaining.lastIndexOf(" ", maxLength);
    }
    if (splitPoint === -1 || splitPoint < maxLength / 2) {
      splitPoint = maxLength;
    }

    chunks.push(remaining.slice(0, splitPoint));
    remaining = remaining.slice(splitPoint).trimStart();
  }

  return chunks;
}

/**
 * Escape Discord markdown
 */
export function escapeMarkdown(text: string): string {
  return text.replace(/([*_`~|\\])/g, "\\$1");
}

/**
 * Format code block
 */
export function codeBlock(content: string, language = ""): string {
  return `\`\`\`${language}\n${content}\n\`\`\``;
}