import { NextResponse } from 'next/server';
import { getServerSession } from 'next-auth/next';
import { authOptions } from '@/app/api/auth/[...nextauth]/route';
import { prisma } from '@/lib/prisma';

export async function GET() {
  try {
    const session = await getServerSession(authOptions);
    if (!session || !session.user?.id) {
      console.log("No authenticated session found");
      return NextResponse.json(
        { error: "Not authenticated" },
        { status: 401 }
      );
    }

    console.log(`Attempting to fetch mail credentials for user ${session.user.id}`);

    // Get mail credentials
    const credentials = await prisma.mailCredentials.findUnique({
      where: {
        userId: session.user.id,
      },
    });

    if (!credentials) {
      console.log(`No mail credentials found for user ${session.user.id}`);
      return NextResponse.json(
        { error: "No mail credentials found" },
        { status: 404 }
      );
    }

    console.log(`Found credentials for email: ${credentials.email}`);

    // Return only necessary credential details
    return NextResponse.json({
      credentials: {
        email: credentials.email,
        host: credentials.host,
        port: credentials.port
      }
    });
  } catch (error) {
    console.error("Error fetching mail credentials:", error);
    
    // Log more detailed error information
    if (error instanceof Error) {
      console.error("Error name:", error.name);
      console.error("Error message:", error.message);
      console.error("Error stack:", error.stack);
    }
    
    return NextResponse.json(
      { error: "Failed to fetch mail credentials" },
      { status: 500 }
    );
  }
}