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

const addressSchema = new mongoose.Schema({
  fullName: { type: String, default: '' },
  mobileNumber: { type: String, default: '' },
  addressLine1: { type: String, default: '' },
  addressLine2: { type: String, default: '' },
  landmark: { type: String, default: '' },
  street: { type: String, default: '' },
  city: { type: String, required: true },
  district: { type: String, default: '' },
  state: { type: String, required: true },
  postalCode: { type: String, required: true },
  country: { type: String, required: true, default: 'India' },
  isDefault: { type: Boolean, default: false }
});

const userSchema = new mongoose.Schema({
  name: { type: String, required: [true, 'Please provide your name'], trim: true },
  email: { type: String, required: [true, 'Please provide your email'], unique: true, lowercase: true, trim: true },
  password: { type: String, required: [true, 'Please provide a password'], minlength: 6, select: false },
  role: { 
    type: String, 
    enum: ['Customer', 'Admin', 'Staff', 'Warehouse Manager', 'Order Manager'], 
    default: 'Customer' 
  },
  phone: { type: String, default: '' },
  avatar: { type: String, default: 'https://images.unsplash.com/photo-1534528741775-53994a69daeb?w=300' },
  addresses: [addressSchema],
  isVerified: { type: Boolean, default: true },
  resetPasswordToken: String,
  resetPasswordExpire: Date
}, { timestamps: true });

userSchema.pre('save', async function(next) {
  if (!this.isModified('password')) return next();
  const salt = await bcrypt.genSalt(10);
  this.password = await bcrypt.hash(this.password, salt);
  next();
});

userSchema.methods.matchPassword = async function(enteredPassword) {
  return await bcrypt.compare(enteredPassword, this.password);
};

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