import { notifyOwner } from "./_core/notification";

export interface ImportNotificationData {
  source: "email" | "folder";
  fileName?: string;
  totalFiles?: number;
  totalInvoices: number;
  imported: number;
  duplicates: number;
  errors: number;
}

/**
 * Send notification after automatic import
 */
export async function sendImportNotification(
  userId: number,
  data: ImportNotificationData
): Promise<boolean> {
  try {
    const sourceLabel = data.source === "email" ? "email" : "dossier";
    
    let title: string;
    let content: string;
    
    if (data.source === "email" && data.fileName) {
      // Single file from email
      title = `📧 Import automatique email - ${data.fileName}`;
      content = `
**Fichier traité :** ${data.fileName}

**Résultats :**
- ✅ **${data.imported}** facture(s) importée(s)
- 🔄 **${data.duplicates}** doublon(s) ignoré(s)
- ❌ **${data.errors}** erreur(s)

**Total détecté :** ${data.totalInvoices} facture(s)

---
*Import automatique depuis email*
      `.trim();
    } else if (data.source === "folder") {
      // Folder scan (potentially multiple files)
      title = `📁 Import automatique dossier - ${data.totalFiles || 0} fichier(s)`;
      content = `
**Fichiers traités :** ${data.totalFiles || 0} fichier(s) PDF

**Résultats :**
- ✅ **${data.imported}** facture(s) importée(s)
- 🔄 **${data.duplicates}** doublon(s) ignoré(s)
- ❌ **${data.errors}** erreur(s)

**Total détecté :** ${data.totalInvoices} facture(s)

---
*Import automatique depuis dossier*
      `.trim();
    } else {
      // Fallback
      title = `📥 Import automatique - ${sourceLabel}`;
      content = `
**Résultats :**
- ✅ **${data.imported}** facture(s) importée(s)
- 🔄 **${data.duplicates}** doublon(s) ignoré(s)
- ❌ **${data.errors}** erreur(s)

**Total détecté :** ${data.totalInvoices} facture(s)
      `.trim();
    }
    
    console.log(`[Notification] Sending import notification for user ${userId}:`, title);
    
    const success = await notifyOwner({
      title,
      content,
    });
    
    if (success) {
      console.log(`[Notification] Import notification sent successfully for user ${userId}`);
    } else {
      console.error(`[Notification] Failed to send import notification for user ${userId}`);
    }
    
    return success;
  } catch (error) {
    console.error(`[Notification] Error sending import notification for user ${userId}:`, error);
    return false;
  }
}