import { createClient } from '@/lib/supabase/server'
import { PrismaClient } from '@prisma/client'
import { NextRequest, NextResponse } from 'next/server'

const prisma = new PrismaClient()

// GET /api/creator/dashboard - Get creator dashboard data
export async function GET(req: NextRequest) {
  const supabase = await createClient()
  const { data: { user: supabaseUser }, error: authError } = await supabase.auth.getUser()

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

  try {
    const user = await prisma.user.findUnique({
      where: { supabaseId: supabaseUser.id },
      include: {
        channels: {
          include: {
            stats: true,
            streams: {
              where: { isArchived: true },
              orderBy: { endedAt: 'desc' },
              take: 5,
            },
            _count: {
              select: {
                followers: true,
                subscriptions: true,
                donations: true,
              },
            },
          },
        },
      },
    })

    if (!user || !user.isCreator) {
      return NextResponse.json(
        { error: 'User is not a creator' },
        { status: 403 }
      )
    }

    // Format response
    const channels = user.channels.map((channel) => ({
      id: channel.id,
      name: channel.name,
      slug: channel.slug,
      followers: channel._count.followers,
      subscribers: channel._count.subscriptions,
      totalDonations: channel.stats?.totalDonations || 0,
      totalViews: channel.totalViews,
      stats: channel.stats,
      recentStreams: channel.streams,
    }))

    return NextResponse.json(
      {
        user: {
          id: user.id,
          displayName: user.displayName,
          email: user.email,
          avatarUrl: user.avatarUrl,
        },
        channels,
      },
      { status: 200 }
    )
  } catch (error) {
    console.error('Error fetching dashboard:', error)
    return NextResponse.json(
      { error: 'Failed to fetch dashboard' },
      { status: 500 }
    )
  }
}