import { NextRequest, NextResponse } from 'next/server'
import { auth } from '@/auth'
import { getProject, getProjectBuckets } from '@/lib/vikunja-client'

export async function GET(
  _request: NextRequest,
  { params }: { params: Promise<{ id: string }> }
) {
  const session = await auth()
  if (!session?.user) {
    return NextResponse.json({ error: 'Unauthorized' }, { status: 401 })
  }

  try {
    const { id } = await params
    const projectId = parseInt(id, 10)
    const project = await getProject(projectId)

    // Find the kanban view (view_kind=3) or first view
    const kanbanView = project.views?.find(v => v.view_kind === 3)
    const listView = project.views?.find(v => v.view_kind === 0)
    const defaultView = kanbanView || listView || project.views?.[0]

    let buckets: unknown[] = []
    if (defaultView) {
      try {
        buckets = await getProjectBuckets(projectId, defaultView.id)
      } catch {
        // Buckets may not exist for all view types
      }
    }

    return NextResponse.json({
      ...project,
      buckets,
      kanbanViewId: kanbanView?.id || null,
      listViewId: listView?.id || null,
      defaultViewId: defaultView?.id || null,
    })
  } catch (error) {
    const message = error instanceof Error ? error.message : 'Failed to fetch project'
    return NextResponse.json({ error: message }, { status: 502 })
  }
}