import { NextResponse } from "next/server"
import { fetchQuery } from "convex/nextjs"
import { api } from "@/convex/_generated/api"
import { requireAdminToken } from "@/lib/server/admin-auth"

export async function GET(request: Request) {
  const authError = requireAdminToken(request)
  if (authError) {
    return authError
  }

  try {
    const { searchParams } = new URL(request.url)
    const search = searchParams.get("search")?.trim() || undefined
    const page = Number.parseInt(searchParams.get("page") || "1", 10) || 1
    const limit = Number.parseInt(searchParams.get("limit") || "25", 10) || 25
    const channel = searchParams.get("channel")
    const status = searchParams.get("status")

    const data = await fetchQuery(api.crm.listAdminConversations, {
      search,
      page,
      limit,
      channel:
        channel === "call" ||
        channel === "sms" ||
        channel === "chat" ||
        channel === "unknown"
          ? channel
          : undefined,
      status:
        status === "open" || status === "closed" || status === "archived"
          ? status
          : undefined,
    })

    return NextResponse.json(data)
  } catch (error) {
    console.error("Failed to load admin conversations:", error)
    return NextResponse.json(
      { error: "Failed to load conversations" },
      { status: 500 }
    )
  }
}