import mongoose, { Schema, Document } from 'mongoose';
import { IUser } from '../entities/user.entity';

export interface IUserDocument extends Omit<IUser, '_id'>, Document {
  password: string;
}

const userSchema = new Schema({
  email: {
    type: String,
    required: true,
    unique: true,
    lowercase: true,
    trim: true,
    match: [/^\w+([.-]?\w+)*@\w+([.-]?\w+)*(\.\w{2,3})+$/, 'Please enter a valid email']
  },
  username: {
    type: String,
    required: true,
    unique: true,
    trim: true,
    minlength: 3,
    maxlength: 30
  },
  password: {
    type: String,
    required: true,
    minlength: 6
  },
  firstName: {
    type: String,
    trim: true,
    maxlength: 50
  },
  lastName: {
    type: String,
    trim: true,
    maxlength: 50
  },
  phone: {
    type: String,
    trim: true,
    match: [/^\+?[\d\s-()]+$/, 'Please enter a valid phone number']
  },
  avatar: {
    type: String,
    trim: true
  },
  isActive: {
    type: Boolean,
    default: true
  },
  lastLoginAt: {
    type: Date
  },
  emailVerified: {
    type: Boolean,
    default: false
  },
  phoneVerified: {
    type: Boolean,
    default: false
  },
  role: {
    type: String,
    default: 'user',
    enum: ['user', 'admin', 'moderator']
  },
  permissions: [{
    type: String,
    trim: true
  }],
  status: {
    type: Number,
    default: 1,
    enum: [1, 0, -1] // 1: active, 0: deleted, -1: suspended
  }
}, {
  timestamps: true,
  toJSON: {
    transform: function(doc, ret) {
      delete ret.password;
      return ret;
    }
  }
});

// Indexes
userSchema.index({ email: 1 });
userSchema.index({ username: 1 });
userSchema.index({ status: 1 });
userSchema.index({ role: 1 });

export const UserModel = mongoose.model<IUserDocument>('User', userSchema);