import { NextRequest, NextResponse } from "next/server";
import {
  QuizAttemptValidationError,
  QuizNotFoundError,
  listQuizAttempts,
  submitQuizAttempt,
} from "@/services/quizService";
import { quizAttemptSchema } from "@/lib/validation/attemptSchemas";

export async function POST(
  request: NextRequest,
  ctx: RouteContext<"/api/quizzes/[id]/attempt">
) {
  const { id } = await ctx.params;
  const parsed = quizAttemptSchema.safeParse(
    await request.json().catch(() => null)
  );
  if (!parsed.success) {
    return NextResponse.json(
      { error: parsed.error.issues[0]?.message ?? "Invalid attempt" },
      { status: 400 }
    );
  }
  try {
    return NextResponse.json(await submitQuizAttempt(id, parsed.data), {
      status: 201,
    });
  } catch (error) {
    if (error instanceof QuizNotFoundError) {
      return NextResponse.json({ error: error.message }, { status: 404 });
    }
    if (error instanceof QuizAttemptValidationError) {
      return NextResponse.json({ error: error.message }, { status: 400 });
    }
    console.error("Failed to submit quiz attempt", error);
    return NextResponse.json({ error: "Failed to submit attempt" }, { status: 500 });
  }
}

export async function GET(
  _request: NextRequest,
  ctx: RouteContext<"/api/quizzes/[id]/attempt">
) {
  const { id } = await ctx.params;
  const attempts = await listQuizAttempts(id);
  return NextResponse.json(attempts);
}