/**
 * GET /api/quizzes/[taskId] - Get quiz questions for a task
 */

import { NextRequest, NextResponse } from 'next/server';
import { requireAuth } from '@/app/lib/auth';
import { findTask, findQuizByTaskId } from '@/app/lib/db/store';
import { TaskType, ApiResponse } from '@/app/lib/types';

export async function GET(
  request: NextRequest,
  { params }: { params: Promise<{ taskId: string }> }
) {
  try {
    // Authenticate user
    requireAuth(request);
    const { taskId } = await params;

    // Find the task
    const task = findTask(taskId);
    if (!task) {
      return NextResponse.json<ApiResponse>(
        {
          success: false,
          error: 'Task not found'
        },
        { status: 404 }
      );
    }

    // Verify it's a quiz task
    if (task.type !== TaskType.QUIZ) {
      return NextResponse.json<ApiResponse>(
        {
          success: false,
          error: 'This is not a quiz task'
        },
        { status: 400 }
      );
    }

    // Find the quiz
    const quiz = findQuizByTaskId(taskId);
    if (!quiz) {
      return NextResponse.json<ApiResponse>(
        {
          success: false,
          error: 'Quiz not found for this task'
        },
        { status: 404 }
      );
    }

    // Return quiz without the correct answer
    const { correctAnswer, ...quizData } = quiz;

    return NextResponse.json<ApiResponse>(
      {
        success: true,
        data: {
          ...quizData,
          pointsReward: task.pointsReward
        }
      },
      { status: 200 }
    );
  } catch (error) {
    if (error instanceof Error && error.message === 'Unauthorized') {
      return NextResponse.json<ApiResponse>(
        {
          success: false,
          error: 'Unauthorized'
        },
        { status: 401 }
      );
    }

    console.error('Get quiz error:', error);
    return NextResponse.json<ApiResponse>(
      {
        success: false,
        error: 'Internal server error'
      },
      { status: 500 }
    );
  }
}