import { NextResponse } from "next/server";
import { fetchMutation } from "convex/nextjs";
import { api } from "@/convex/_generated/api";
import { requirePhoneAgentInternalAuth } from "@/app/api/internal/phone-calls/shared";

export async function POST(request: Request) {
  const authError = await requirePhoneAgentInternalAuth(request);
  if (authError) {
    return authError;
  }

  try {
    const body = await request.json();
    await fetchMutation(api.voiceSessions.addTranscriptTurn, {
      sessionId: body.sessionId,
      roomName: String(body.roomName || ""),
      participantIdentity: String(body.participantIdentity || ""),
      role: body.role,
      text: String(body.text || ""),
      kind: body.kind ? String(body.kind) : undefined,
      isFinal: typeof body.isFinal === "boolean" ? body.isFinal : undefined,
      language: body.language ? String(body.language) : undefined,
      source: "phone-agent",
      createdAt: typeof body.createdAt === "number" ? body.createdAt : undefined,
    });

    return NextResponse.json({ success: true });
  } catch (error) {
    console.error("Failed to append phone call turn:", error);
    return NextResponse.json({ error: "Failed to append phone call turn" }, { status: 500 });
  }
}