import { NextRequest, NextResponse } from 'next/server'
import { prisma } from '@/lib/prisma'
import { requireAuth } from '@/lib/auth'

export async function DELETE(
  request: NextRequest,
  { params }: { params: Promise<{ id: string; artistId: string }> }
) {
  try {
    const user = await requireAuth()
    const { id, artistId } = await params

    // Check if user owns this label
    const label = await prisma.label.findUnique({
      where: { id },
      select: { userId: true },
    })

    if (!label) {
      return NextResponse.json({ error: 'Label not found' }, { status: 404 })
    }

    if (label.userId !== user.id) {
      return NextResponse.json({ error: 'Unauthorized' }, { status: 403 })
    }

    // Check if artist exists and belongs to this label
    const artist = await prisma.artist.findUnique({
      where: { id: artistId },
      select: { labelId: true },
    })

    if (!artist) {
      return NextResponse.json({ error: 'Artist not found' }, { status: 404 })
    }

    if (artist.labelId !== id) {
      return NextResponse.json({ error: 'Artist does not belong to this label' }, { status: 400 })
    }

    // Remove artist from label
    await prisma.artist.update({
      where: { id: artistId },
      data: { labelId: null },
    })

    return NextResponse.json({ message: 'Artist removed from label successfully' })
  } catch (error) {
    if (error instanceof Error && error.message === 'Unauthorized') {
      return NextResponse.json({ error: 'Unauthorized' }, { status: 401 })
    }
    console.error('Error removing artist from label:', error)
    return NextResponse.json({ error: 'Failed to remove artist from label' }, { status: 500 })
  }
}