import { NextRequest, NextResponse } from 'next/server'
import { auth } from '@/auth'
import { getEvents, createEvent } from '@/lib/caldav-client'

export async function GET(request: NextRequest) {
  const session = await auth()
  if (!session?.user || !session.accessToken) {
    return NextResponse.json({ error: 'Unauthorized' }, { status: 401 })
  }

  const { searchParams } = request.nextUrl
  const start = searchParams.get('start')
  const end = searchParams.get('end')
  const calendarId = searchParams.get('calendarId') || undefined

  if (!start || !end) {
    return NextResponse.json(
      { error: 'start and end query parameters are required' },
      { status: 400 }
    )
  }

  try {
    const events = await getEvents(session.accessToken, start, end, calendarId)
    return NextResponse.json(events)
  } catch (error) {
    console.error('Failed to fetch events:', error)
    return NextResponse.json(
      { error: 'Failed to fetch events' },
      { status: 500 }
    )
  }
}

export async function POST(request: NextRequest) {
  const session = await auth()
  if (!session?.user || !session.accessToken) {
    return NextResponse.json({ error: 'Unauthorized' }, { status: 401 })
  }

  try {
    const body = await request.json()
    const { title, start, end, allDay, location, description, calendarUrl, recurrence } = body

    if (!title || !start || !end || !calendarUrl) {
      return NextResponse.json(
        { error: 'title, start, end, and calendarUrl are required' },
        { status: 400 }
      )
    }

    const event = await createEvent(session.accessToken, {
      title,
      start,
      end,
      allDay,
      location,
      description,
      calendarUrl,
      recurrence,
    })

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