import { NextRequest, NextResponse } from "next/server";
import { db } from "@/db";
import { images } from "@/db/schema";
import { eq, desc } from "drizzle-orm";
import { auth } from "@/app/lib/auth";

async function getUserId(request: NextRequest): Promise<string | null> {
  try {
    const session = await auth.api.getSession({
      headers: request.headers,
    });
    return session?.user?.id || null;
  } catch {
    return null;
  }
}

function getBaseUrl(request: NextRequest): string {
  // First, check environment variables (production should set this)
  if (process.env.NEXT_PUBLIC_APP_URL) {
    return process.env.NEXT_PUBLIC_APP_URL;
  }
  if (process.env.APP_URL) {
    return process.env.APP_URL;
  }
  
  // Check for reverse proxy headers (X-Forwarded-Host, X-Forwarded-Proto)
  const forwardedHost = request.headers.get("x-forwarded-host");
  const forwardedProto = request.headers.get("x-forwarded-proto");
  
  if (forwardedHost && forwardedProto) {
    return `${forwardedProto}://${forwardedHost}`;
  }
  
  // Fallback to request origin
  return request.nextUrl.origin;
}

export async function GET(request: NextRequest) {
  try {
    const userId = await getUserId(request);
    if (!userId) {
      return NextResponse.json(
        { message: "Yetkisiz erişim" },
        { status: 401 }
      );
    }

    const userImages = await db
      .select()
      .from(images)
      .where(eq(images.userId, userId))
      .orderBy(desc(images.createdAt));

    // Get base URL
    const baseUrl = getBaseUrl(request);

    return NextResponse.json({
      images: userImages.map((img) => ({
        id: img.id,
        originalName: img.originalName,
        url: `${baseUrl}${img.url}`,
        width: img.width,
        height: img.height,
        quality: img.quality,
        format: img.format,
        fileSize: img.fileSize,
        createdAt: img.createdAt.toISOString(),
      })),
    });
  } catch (error: any) {
    return NextResponse.json(
      { message: "Resimler yüklenemedi" },
      { status: 500 }
    );
  }
}