import { NextRequest, NextResponse } from "next/server";
import { auth } from "@clerk/nextjs/server";
import { getDatabase } from "@/lib/database";

/**
 * GET /api/fitness-profile/history
 * Get fitness profile history for a user
 *
 * Query params:
 * - userId: string (required)
 * - startDate: YYYY-MM-DD (optional)
 * - endDate: YYYY-MM-DD (optional)
 */
export async function GET(request: NextRequest) {
  try {
    const { userId: authUserId } = await auth();
    if (!authUserId) {
      return NextResponse.json({ error: "Unauthorized" }, { status: 401 });
    }

    const { searchParams } = new URL(request.url);
    const userId = searchParams.get("userId");
    const startDateStr = searchParams.get("startDate");
    const endDateStr = searchParams.get("endDate");

    if (!userId) {
      return NextResponse.json(
        { error: "userId is required" },
        { status: 400 },
      );
    }

    // Convert date strings to Date objects if provided
    const startDate = startDateStr ? new Date(startDateStr) : undefined;
    const endDate = endDateStr ? new Date(endDateStr) : undefined;

    const db = await getDatabase();
    const history = await db.getFitnessProfileHistory(
      userId,
      startDate,
      endDate,
    );

    return NextResponse.json({ history });
  } catch (error) {
    console.error("Get fitness profile history error:", error);
    return NextResponse.json(
      { error: "Internal server error" },
      { status: 500 },
    );
  }
}