import { createClient } from '@/utils/supabase/server'
import { redirect } from 'next/navigation'
import { NextResponse } from 'next/server'

export async function POST(request: Request) {
    const supabase = await createClient()

    // Check if user is authenticated
    const {
        data: { user },
    } = await supabase.auth.getUser()

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

    // Perform soft deletes
    const now = new Date().toISOString()

    // 1. Soft delete usage data (card_progress)
    await supabase
        .from('card_progress')
        .update({ deleted_at: now })
        .eq('user_id', user.id)

    // 2. Soft delete content (decks)
    await supabase
        .from('decks')
        .update({ deleted_at: now })
        .eq('creator_id', user.id)

    // 3. Soft delete organization (folders)
    await supabase
        .from('folders')
        .update({ deleted_at: now })
        .eq('user_id', user.id)

    // 4. Soft delete profile
    await supabase
        .from('profiles')
        .update({ deleted_at: now })
        .eq('id', user.id)

    // 5. Sign out
    await supabase.auth.signOut()

    return NextResponse.redirect(new URL('/', request.url))
}