import { NextResponse } from 'next/server'
import { prisma } from '@/lib/db'

export const runtime = 'nodejs'

/**
 * GET /api/reading-plans
 * Get all available predefined reading plans
 */
export async function GET(request: Request) {
  try {
    const url = new URL(request.url)
    const language = url.searchParams.get('language') || 'en'

    const plans = await prisma.readingPlan.findMany({
      where: {
        isActive: true,
        type: 'PREDEFINED',
        language: language
      },
      select: {
        id: true,
        name: true,
        description: true,
        duration: true,
        difficulty: true,
        language: true,
        type: true,
        createdAt: true
      },
      orderBy: {
        duration: 'asc'
      }
    })

    return NextResponse.json({
      success: true,
      plans
    })

  } catch (error) {
    console.error('Reading plans fetch error:', error)
    return NextResponse.json(
      { error: 'Failed to fetch reading plans' },
      { status: 500 }
    )
  }
}