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

export async function GET(
  request: NextRequest,
  { params }: { params: Promise<{ id: string }> }
) {
  try {
    const { id } = await params

    const label = await prisma.label.findUnique({
      where: { id },
      include: {
        user: {
          select: {
            email: true,
            username: true,
            displayName: true,
          },
        },
        artists: {
          select: {
            id: true,
            name: true,
            slug: true,
            avatarUrl: true,
            verified: true,
          },
        },
        _count: {
          select: {
            artists: true,
            invitations: true,
          },
        },
      },
    })

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

    return NextResponse.json(label)
  } catch (error) {
    console.error('Error fetching label:', error)
    return NextResponse.json({ error: 'Failed to fetch label' }, { status: 500 })
  }
}

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

    const body = await request.json()
    const { name, description, logoUrl, website } = body

    const updateData: any = {}
    if (name !== undefined) {
      updateData.name = name
      updateData.slug = slugify(name)
    }
    if (description !== undefined) updateData.description = description
    if (logoUrl !== undefined) updateData.logoUrl = logoUrl
    if (website !== undefined) updateData.website = website

    const updatedLabel = await prisma.label.update({
      where: { id },
      data: updateData,
      include: {
        user: {
          select: {
            email: true,
            username: true,
            displayName: true,
          },
        },
        _count: {
          select: {
            artists: true,
            invitations: true,
          },
        },
      },
    })

    return NextResponse.json(updatedLabel)
  } catch (error) {
    if (error instanceof Error && error.message === 'Unauthorized') {
      return NextResponse.json({ error: 'Unauthorized' }, { status: 401 })
    }
    console.error('Error updating label:', error)
    return NextResponse.json({ error: 'Failed to update label' }, { status: 500 })
  }
}