import { NextResponse } from "next/server";
import { createProviderNode, getProviderNodes } from "@/models";
import { OPENAI_COMPATIBLE_PREFIX } from "@/shared/constants/providers";

const OPENAI_COMPATIBLE_DEFAULTS = {
  baseUrl: "https://api.openai.com/v1",
};

// GET /api/provider-nodes - List all provider nodes
export async function GET() {
  try {
    const nodes = await getProviderNodes();
    return NextResponse.json({ nodes });
  } catch (error) {
    console.log("Error fetching provider nodes:", error);
    return NextResponse.json({ error: "Failed to fetch provider nodes" }, { status: 500 });
  }
}

// POST /api/provider-nodes - Create provider node
export async function POST(request) {
  try {
    const body = await request.json();
    const { name, prefix, apiType, baseUrl } = body;

    if (!name?.trim()) {
      return NextResponse.json({ error: "Name is required" }, { status: 400 });
    }

    if (!prefix?.trim()) {
      return NextResponse.json({ error: "Prefix is required" }, { status: 400 });
    }

    if (!apiType || !["chat", "responses"].includes(apiType)) {
      return NextResponse.json({ error: "Invalid OpenAI compatible API type" }, { status: 400 });
    }

    const node = await createProviderNode({
      id: `${OPENAI_COMPATIBLE_PREFIX}${apiType}-${crypto.randomUUID()}`,
      type: "openai-compatible",
      prefix: prefix.trim(),
      apiType,
      baseUrl: (baseUrl || OPENAI_COMPATIBLE_DEFAULTS.baseUrl).trim(),
      name: name.trim(),
    });

    return NextResponse.json({ node }, { status: 201 });
  } catch (error) {
    console.log("Error creating provider node:", error);
    return NextResponse.json({ error: "Failed to create provider node" }, { status: 500 });
  }
}