import { NextRequest, NextResponse } from 'next/server'
import { getServerSession } from 'next-auth'
import { authOptions } from '@/lib/auth'
import { getDB } from '@/lib/db'
import { z } from 'zod'
import { Flags } from '@/lib/flags'

export const dynamic = "force-dynamic";

const createFolderSchema = z.object({
  name: z.string().min(1, 'Folder name is required'),
  path: z.string().default('/'),
})

export async function POST(request: NextRequest, { params }: { params?: any } = {}, context?: any) {
  try {
    if (!Flags.UPLOADS_ADMIN_ENABLED) {
      return NextResponse.json({ error: 'Admin uploads disabled' }, { status: 503 })
    }
    const session = await getServerSession(authOptions)
    if (!session) {
      return NextResponse.json({ error: 'Unauthorized' }, { status: 401 })
    }

    const body = await request.json()
    const { name, path } = createFolderSchema.parse(body)

    // For this simplified implementation, we'll just return success
    // In a real implementation, you would create folder structures in your storage system
    // and possibly track them in a separate folders table

    const folderId = `folder_${Date.now()}_${Math.random().toString(36).substring(2)}`
    const folderPath = path === '/' ? `/${name}` : `${path}/${name}`

    // TODO: In a real implementation, you might:
    // 1. Create the folder structure in R2 (by creating a placeholder object)
    // 2. Store folder metadata in a folders table
    // 3. Update file paths to include folder structure

    return NextResponse.json({ 
      success: true,
      id: folderId,
      name,
      path: folderPath,
      message: 'Folder created successfully'
    })
  } catch (error) {
    console.error('Create folder error:', error)
    
    if (error instanceof z.ZodError) {
      return NextResponse.json(
        { error: 'Invalid input data', details: error.errors },
        { status: 400 }
      )
    }

    return NextResponse.json(
      { error: 'Failed to create folder' },
      { status: 500 }
    )
  }
}
