const bcrypt = require('bcryptjs');
const { DataTypes } = require('sequelize');
const sequelize = require('../config/sequelize');

const timestamps = {
  timestamps: true,
  createdAt: 'created',
  updatedAt: 'modified',
};

const User = sequelize.define('User', {
  id: { type: DataTypes.INTEGER, primaryKey: true, autoIncrement: true },
  login: { type: DataTypes.STRING(255), allowNull: false, unique: true },
  email: { type: DataTypes.STRING(255), allowNull: false, unique: true, validate: { isEmail: true } },
  password: { type: DataTypes.STRING(255), allowNull: false },
  first_name: { type: DataTypes.STRING(100), allowNull: false },
  last_name: { type: DataTypes.STRING(100), allowNull: false },
  role: { type: DataTypes.STRING(20), allowNull: false, defaultValue: 'user', validate: { isIn: [['admin', 'user']] } },
  active: { type: DataTypes.BOOLEAN, allowNull: false, defaultValue: true },
  last_login: { type: DataTypes.DATE, allowNull: true },
}, {
  ...timestamps,
  tableName: 'users',
  defaultScope: { attributes: { exclude: ['password'] } },
  scopes: { withPassword: { attributes: { include: ['password'] } } },
  hooks: {
    beforeSave: async (user) => {
      if (user.changed('password')) {
        user.password = await bcrypt.hash(user.password, 10);
      }
    },
  },
});

const Customer = sequelize.define('Customer', {
  id: { type: DataTypes.INTEGER, primaryKey: true, autoIncrement: true },
  type: { type: DataTypes.STRING(20), allowNull: false, defaultValue: 'individual', validate: { isIn: [['individual', 'company']] } },
  first_name: { type: DataTypes.STRING(100), allowNull: false },
  last_name: { type: DataTypes.STRING(100), allowNull: false },
  email: { type: DataTypes.STRING(255), allowNull: false, unique: true, validate: { isEmail: true } },
  phone: { type: DataTypes.STRING(30), allowNull: false },
  company_name: { type: DataTypes.STRING(255), allowNull: true },
  tax_id: { type: DataTypes.STRING(20), allowNull: true },
  street: { type: DataTypes.STRING(255), allowNull: true },
  city: { type: DataTypes.STRING(100), allowNull: true },
  postal_code: { type: DataTypes.STRING(10), allowNull: true },
  country: { type: DataTypes.STRING(2), allowNull: false, defaultValue: 'PL' },
  birth_date: { type: DataTypes.DATEONLY, allowNull: true },
  notes: { type: DataTypes.TEXT, allowNull: true },
  created_by: { type: DataTypes.INTEGER, allowNull: true },
}, { ...timestamps, tableName: 'customers' });

const Car = sequelize.define('Car', {
  id: { type: DataTypes.INTEGER, primaryKey: true, autoIncrement: true },
  customer_id: { type: DataTypes.INTEGER, allowNull: false },
  make: { type: DataTypes.STRING(50), allowNull: false },
  model: { type: DataTypes.STRING(50), allowNull: false },
  production_year: { type: DataTypes.INTEGER, allowNull: false },
  vin: { type: DataTypes.STRING(17), allowNull: false, unique: true },
  registration_number: { type: DataTypes.STRING(10), allowNull: false, unique: true },
  fuel_type: { type: DataTypes.STRING(20), allowNull: false, validate: { isIn: [['petrol', 'diesel', 'lpg', 'hybrid', 'electric']] } },
  color: { type: DataTypes.STRING(30), allowNull: true },
  engine_capacity: { type: DataTypes.INTEGER, allowNull: true },
  power_hp: { type: DataTypes.INTEGER, allowNull: true },
  transmission: { type: DataTypes.STRING(20), allowNull: true, validate: { isIn: [['manual', 'automatic']] } },
  mileage: { type: DataTypes.INTEGER, allowNull: true },
  notes: { type: DataTypes.TEXT, allowNull: true },
}, { ...timestamps, tableName: 'cars' });

User.hasMany(Customer, { foreignKey: 'created_by', as: 'createdCustomers' });
Customer.belongsTo(User, { foreignKey: 'created_by', as: 'creator' });
Customer.hasMany(Car, { foreignKey: 'customer_id', as: 'cars', onDelete: 'CASCADE' });
Car.belongsTo(Customer, { foreignKey: 'customer_id', as: 'customer' });

module.exports = { sequelize, User, Customer, Car };