// /components/users/userModel.js

const mongoose = require('mongoose');

const refreshTokenSchema = new mongoose.Schema({
  token: { type: String, required: true },
  expiresAt: { type: Date, required: true },
  createdAt: { type: Date, default: Date.now }
});

const userSchema = new mongoose.Schema({
  nationalIdCode: {
    type: String,
    required: true,
    unique: true,
    trim: true,
    index: true
  },
  name: {
    type: String,
    required: true,
    trim: true
  },
  gender: {
    type: String,
    enum: ['male', 'female'],
    trim: true
  },
  phoneNumber: {
    type: String,
    required: true,
    unique: true,
    trim: true,
    index: true
  },
  preferredMessenger: {
    type: [{
      type: String,
      enum: ['Bale', 'WhatsApp', 'Telegram', 'SMS', 'Email']
    }],
    default: ['SMS']
  },
  email: {
    type: String,
    sparse: true,
    trim: true,
    lowercase: true,
    match: [/^\w+([.-]?\w+)*@\w+([.-]?\w+)*(\.\w{2,3})+$/, 'Please fill a valid email address']
  },
  address: {
    type: String,
    trim: true
  },
  birthCertificateNumber: {
    type: String,
    trim: true
  },
  postalCode: {
    type: String,
    trim: true
  },
  placeOfIssue: {
    type: String,
    trim: true
  },
  fatherName: {
    type: String,
    trim: true
  },
  birthDate: {
    type: Date
  },
  education: {
    type: String,
    trim: true
  },
  parentPhoneNumber: {
    type: String,
    trim: true
  },
  username: {
    type: String,
    required: true,
    unique: true,
    trim: true,
    index: true
  },
  passwordHash: {
    type: String,
    required: true
  },
  role: {
    type: mongoose.Schema.Types.ObjectId,
    ref: 'Role',
    required: true
  },
  courses: [{
    type: mongoose.Schema.Types.ObjectId,
    ref: 'Course'
  }],
  certificates: [{
    type: mongoose.Schema.Types.ObjectId,
    ref: 'Certificate'
  }],
  refreshTokens: [refreshTokenSchema],
  isActive: {
    type: Boolean,
    default: true
  }
}, {
  timestamps: true
});

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