require("dotenv").config();
const connectDB = require("../config/database");
const User = require("../models/User");
const mongoose = require("mongoose");

/**
 * Migration: seed_users
 * Description: Tạo sẵn tài khoản cứng cho login CMS
 */
async function migrate() {
  try {
    await connectDB();

    const users = [
      {
        username: process.env.ADMIN_USERNAME || "admin",
        email: "admin@cms.local",
        name: "System Admin",
        password: process.env.ADMIN_PASSWORD || "admin1234",
        role: "admin",
      },
      {
        username: "manager",
        email: "manager@cms.local",
        name: "Content Manager",
        password: "manager1234",
        role: "manager",
      },
    ];

    for (const item of users) {
      const existing = await User.findOne({ username: item.username });
      if (existing) {
        console.log(`SKIP user exists: ${item.username}`);
        continue;
      }

      await User.create(item);
      console.log(`DONE created user: ${item.username}`);
    }

    console.log("User seed migration completed.");
    await mongoose.disconnect();
    process.exit(0);
  } catch (error) {
    console.error("User seed migration failed:", error);
    if (mongoose.connection.readyState === 1) {
      await mongoose.disconnect();
    }
    process.exit(1);
  }
}

if (require.main === module) {
  migrate();
}

module.exports = { migrate };