package data

import (
  "reflect"
  "github.com/guregu/null/v6"
)

type Login struct {
  Username string `db:"username" validate:"required,max=30"`
  Password string `db:"password" validate:"required,max=128"`
}

type User struct {
  Id int `db:"id" validate:"numeric"`
  Username string `db:"username" validate:"required,max=30"`
  Email string `db:"email" validate:"required,email,max=128"`
  Password string `db:"password" validate:"required,min=8,max=64"`
}

/*
 * Example of using the null library to do optional fields.
 */
type NullExample struct {
  Id int `db:"id" validate:"numeric"`
  HasMaybe null.Int `db:"replying_to" validate:"omitempty,numeric"`
}

type Product struct {
  Id int `db:"id" validate:"numeric"`
  Title string `db:"title" validate:"required"`
  Description string `db:"description" validate:"required"`
  Price float64 `db:"price" validate:"required"`
  Slug string `db:"slug" validate:"required"`
}

type CartItem struct {
  Id int `db:"id" validate:"numeric"`
  UserId int `db:"user_id" validate:"numeric,required"`
  ProductId int `db:"product_id" validate:"required"`
  Quantity int `db:"quantity" validate:"numeric"`
}

type Cart struct {
  Items []CartItem
}

func Models() map[string]reflect.Type {
  return map[string]reflect.Type{
    "user": reflect.TypeFor[User](),
    "product": reflect.TypeFor[Product](),
    "cart_item": reflect.TypeFor[CartItem](),
    "null_example": reflect.TypeFor[NullExample](),
  }
}