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

const UserSchema = new mongoose.Schema({
    username: { type: String, required: true, unique: true },
    password: { type: String, required: true },
    following: [{ type: mongoose.Schema.Types.ObjectId, ref: 'User' }], 
    profilePicture: { type: String, default: "" }, 
    bio: { type: String, default: "" },
    pronouns: { type: String, default: "" },
    email: { type: String, default: "" },
    name: { type: String, default: "" },
  });
  
UserSchema.methods.validPassword = function (password) {
  return bcrypt.compareSync(password, this.password);
};

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

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