import { NextResponse } from "next/server"
import { createSupabaseAdminClient } from "@/lib/supabase/admin"
import { authenticateApiRequest } from "@/lib/api-auth"

export async function GET(request: Request) {
  const authResult = await authenticateApiRequest(request)

  if (!authResult.authenticated) {
    return NextResponse.json(
      { error: authResult.error },
      { status: authResult.status }
    )
  }

  const adminClient = createSupabaseAdminClient()
  const { data, error } = await adminClient
    .from("subscriptions")
    .select(
      "id, custom_title, folder_id, feeds!inner(id, url, title, feed_type, site_url)"
    )
    .eq("user_id", authResult.user.userIdentifier)

  if (error) {
    return NextResponse.json(
      { error: "failed to load feeds" },
      { status: 500 }
    )
  }

  interface FeedRow {
    id: string
    custom_title: string | null
    folder_id: string | null
    feeds: {
      id: string
      url: string
      title: string | null
      feed_type: string | null
      site_url: string | null
    }
  }

  return NextResponse.json({
    feeds: (data as unknown as FeedRow[]).map((row) => ({
      subscriptionIdentifier: row.id,
      feedIdentifier: row.feeds.id,
      feedUrl: row.feeds.url,
      feedTitle: row.feeds.title,
      customTitle: row.custom_title,
      feedType: row.feeds.feed_type,
      siteUrl: row.feeds.site_url,
      folderIdentifier: row.folder_id,
    })),
  })
}