const mongoose = require('mongoose');
const bcrypt = require('bcryptjs');

const userSchema = new mongoose.Schema({
  email: {
    type: String,
    required: true,
    unique: true,
    lowercase: true,
    trim: true,
    match: /^[^\s@]+@[^\s@]+\.[^\s@]+$/
  },
  password: {
    type: String,
    required: true,
    minlength: 8
  },
  firstName: {
    type: String,
    required: true
  },
  lastName: {
    type: String,
    required: true
  },
  position: String,
  phone: String,
  companyId: {
    type: mongoose.Schema.Types.ObjectId,
    ref: 'Company'
  },
  createdAt: {
    type: Date,
    default: Date.now
  },
  updatedAt: {
    type: Date,
    default: Date.now
  }
}, { 
  collection: 'users',
  minimize: false,
  toObject: { versionKey: false }
});

userSchema.set('toObject', { virtuals: false, versionKey: false });

// Хешировать пароль перед сохранением
userSchema.pre('save', async function(next) {
  if (!this.isModified('password')) return next();
  
  try {
    const salt = await bcrypt.genSalt(10);
    this.password = await bcrypt.hash(this.password, salt);
    next();
  } catch (error) {
    next(error);
  }
});

// Метод для сравнения паролей
userSchema.methods.comparePassword = async function(candidatePassword) {
  return await bcrypt.compare(candidatePassword, this.password);
};

// Скрыть пароль при преобразовании в JSON
userSchema.methods.toJSON = function() {
  const obj = this.toObject();
  delete obj.password;
  return obj;
};

module.exports = mongoose.model('User', userSchema);