import { topics, agents } from "~~/db/schema";
import { protectRoute } from "~~/server/utils/auth";
import { eq } from "drizzle-orm";

export default defineEventHandler(async (event) => {
    await protectRoute(event);

    const db = useDrizzle();
    const userId = event.context.user.id;

    const body = await readBody(event);
    const { agentId, name } = body;
    
    if (!agentId || !name) {
        throw createError({ statusCode: 400, statusMessage: 'Missing required fields' });
    }

    // Verify the agent belongs to this user
    const [agent] = await db.select().from(agents).where(eq(agents.id, agentId));
    if (!agent || agent.userId !== userId) {
        throw createError({ statusCode: 403, statusMessage: 'Agent not found or unauthorized' });
    }

    const [inserted] = await db
        .insert(topics)
        .values({ userId, agentId, name })
        .returning();
    
    return inserted;
});