// deepseek-v4.js — bundle standalone. npm deps: axios, node:url

/**
 * Scraper: deepseek-v4.js
 * Source : kyioapi/deepseek-v4.js
 *
 * Input  : Function parameters / CLI args (e.g. prompt: string, brand: string)
 * Output : Promise<Object> (DeepSeek AI response with status and model metadata)
 *
 * CLI Run:
 *   node deepseek-v4.js DeepSeek "Apa itu Node.js?"
 */

import axios from "axios";
import { pathToFileURL } from "node:url";

const CHATGPTIS_URL = "https://chatgptis.org/api/chat";

/**
 * DeepSeek AI Chat Scraper
 * @param {string} prompt User message or prompt
 * @param {string} [brand="deepseek"] AI engine brand (default: deepseek)
 * @param {string} [system=""] System instructions (optional)
 * @returns {Promise<{ status: boolean, model: string, result: string }>}
 */
export async function DeepSeek(prompt, brand = "deepseek", system = "") {
  if (!prompt || typeof prompt !== "string") {
    throw new Error('Parameter "prompt" is required and must be a string.');
  }

  const messages = [];
  if (system) {
    messages.push({ role: "system", content: system });
  }
  messages.push({ role: "user", content: prompt });

  try {
    const { data } = await axios.post(
      CHATGPTIS_URL,
      {
        messages,
        brand: brand,
        system: system || "",
        webSearch: false,
      },
      {
        headers: {
          "Content-Type": "application/json",
          "Origin": "https://chatgptis.org",
          "Referer": "https://chatgptis.org/",
          "User-Agent":
            "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 Chrome/137.0.0.0 Safari/537.36",
        },
        timeout: 30000,
      }
    );

    const answer = typeof data === "string" ? data.trim() : JSON.stringify(data).trim();
    if (!answer) {
      throw new Error("Empty response returned from DeepSeek engine.");
    }

    return {
      status: true,
      model: brand,
      result: answer,
    };
  } catch (error) {
    throw new Error(`DeepSeek Error: ${error.response?.data?.error?.message || error.message}`);
  }
}

export { DeepSeek as DeepSeekThinking };
export default DeepSeek;

// ─────────────────────────────────────────────────────────────────────
// Self-test: jalankan langsung dengan `node deepseek-v4.js [args...]`
// ─────────────────────────────────────────────────────────────────────
if (process.argv[1] && import.meta.url === pathToFileURL(process.argv[1]).href) {
  const prompt = process.argv[2] || "Jelaskan apa itu Node.js dalam 1 kalimat";
  (async () => {
    try {
      const res = await DeepSeek(prompt);
      console.log(JSON.stringify(res, null, 2));
    } catch (e) {
      console.error("Error: " + e.message);
      process.exitCode = 1;
    }
  })();
}