const mongoose = require('mongoose');

// Helper function to generate slug
function generateSlug(name) {
  return name
    .toLowerCase()
    .trim()
    .replace(/[^\w\s-]/g, '') // Remove special characters
    .replace(/\s+/g, '-') // Replace spaces with -
    .replace(/-+/g, '-'); // Replace multiple - with single -
}

const departmentSchema = new mongoose.Schema({
  name: {
    type: String,
    required: true,
    trim: true,
    unique: true,
    lowercase: true
  },
  slug: {
    type: String,
    required: true,
    unique: true,
    lowercase: true,
    index: true
  }
}, {
  timestamps: false // Thêm timestamps để theo dõi thời gian tạo/cập nhật
});

module.exports = mongoose.model('Department', departmentSchema);