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

type RouteContext = {
  params: Promise<{
    id: string
  }>
}

export async function POST(request: Request, { params }: RouteContext) {
  const adminUser = await requireAdminSession(request)
  if (!adminUser) {
    return NextResponse.redirect(new URL("/sign-in", request.url))
  }

  const { id } = await params
  const formData = await request.formData()
  const body = String(formData.get("body") || "").trim()

  if (!body) {
    return NextResponse.redirect(
      new URL(`/admin/conversations?conversationId=${encodeURIComponent(id)}`, request.url)
    )
  }

  try {
    await fetchAction(api.crm.sendAdminConversationMessage, {
      conversationId: id,
      body,
    })

    return NextResponse.redirect(
      new URL(
        `/admin/conversations?conversationId=${encodeURIComponent(id)}`,
        request.url
      )
    )
  } catch (error) {
    console.error("Failed to send admin conversation message:", error)
    return NextResponse.redirect(
      new URL(
        `/admin/conversations?conversationId=${encodeURIComponent(id)}&error=send`,
        request.url
      )
    )
  }
}