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

export async function POST(request: NextRequest) {
  try {
    const currentUser = await getCurrentUser()

    if (!currentUser) {
      return NextResponse.json(
        { error: 'Unauthorized' },
        { status: 401 }
      )
    }

    if (currentUser.artist) {
      return NextResponse.json(
        { error: 'Artist profile already exists' },
        { status: 409 }
      )
    }

    const body = await request.json()
    const { name, bio, website, twitter, instagram, spotify } = body

    if (!name) {
      return NextResponse.json(
        { error: 'Artist name is required' },
        { status: 400 }
      )
    }

    const slug = slugify(name)

    const existingSlug = await prisma.artist.findUnique({
      where: { slug },
    })

    if (existingSlug) {
      return NextResponse.json(
        { error: 'An artist with this name already exists' },
        { status: 409 }
      )
    }

    const artist = await prisma.artist.create({
      data: {
        userId: currentUser.id,
        name,
        slug,
        bio,
        website,
        twitter,
        instagram,
        spotify,
      },
      include: {
        user: {
          select: {
            displayName: true,
            avatarUrl: true,
          },
        },
      },
    })

    // Update user role to artist
    await prisma.user.update({
      where: { id: currentUser.id },
      data: { role: 'artist' },
    })

    return NextResponse.json({ artist }, { status: 201 })
  } catch (error) {
    console.error('Create artist error:', error)
    return NextResponse.json(
      { error: 'Failed to create artist profile' },
      { status: 500 }
    )
  }
}