import { simpleParser } from 'mailparser';
import { cleanHtml as cleanHtmlCentralized } from '@/lib/mail-parser-wrapper';

/**
 * @deprecated This function is deprecated and will be removed in future versions.
 * Use the centralized cleanHtml function from '@/lib/mail-parser-wrapper.ts instead.
 * This is maintained only for backward compatibility.
 */
export function cleanHtml(html: string): string {
  console.warn('The cleanHtml function in lib/server/email-parser.ts is deprecated. Use the one in lib/mail-parser-wrapper.ts');
  return cleanHtmlCentralized(html, { preserveStyles: true, scopeStyles: false });
}

function getAddressText(address: any): string | null {
  if (!address) return null;
  if (Array.isArray(address)) {
    return address.map(addr => addr.value?.[0]?.address || '').filter(Boolean).join(', ');
  }
  return address.value?.[0]?.address || null;
}

export async function parseEmail(emailContent: string) {
  try {
    const parsed = await simpleParser(emailContent);
    
    return {
      subject: parsed.subject || null,
      from: getAddressText(parsed.from),
      to: getAddressText(parsed.to),
      cc: getAddressText(parsed.cc),
      bcc: getAddressText(parsed.bcc),
      date: parsed.date || null,
      html: parsed.html ? cleanHtmlCentralized(parsed.html as string, { 
        preserveStyles: true, 
        scopeStyles: false 
      }) : null,
      text: parsed.text || null,
      attachments: parsed.attachments || [],
      headers: Object.fromEntries(parsed.headers)
    };
  } catch (error) {
    console.error('Error parsing email:', error);
    throw error;
  }
}