import { NextRequest, NextResponse } from "next/server";
import { fetchDashboardDataService } from "@/app/services/health";
import { transformHealthDataToStats } from "@/app/features/GeneralHealthCard/utils";

export async function GET(request: NextRequest) {
  try {
    const { searchParams } = new URL(request.url);
    const dateStart = searchParams.get("dateStart") ?? undefined;
    const dateEnd = searchParams.get("dateEnd") ?? undefined;

    // Fetch all dashboard data (health, overview, and review transactions) concurrently
    const dashboardData = await fetchDashboardDataService({
      dateStart,
      dateEnd,
    });

    // Transform health data to stats format using shared util
    const stats = transformHealthDataToStats(dashboardData.healthData);

    const response = {
      ...dashboardData.healthData,
      stats,
      overviewData: dashboardData.overviewData,
      reviewTransactions: dashboardData.reviewTransactions,
    };

    return NextResponse.json(response, { status: 200 });
  } catch (err: unknown) {
    const errorMessage = err instanceof Error ? err.message : "Unknown error";
    return NextResponse.json(
      { success: false, message: errorMessage },
      { status: 500 }
    );
  }
}