import { withFields, string, number, boolean } from "@commodo/fields";

const Animal = withFields({
    name: string({
        validate: value => {
            if (!value) {
                throw Error("A pet must have a name!");
            }
        }
    }),
    age: number(),
    isAwesome: boolean(),
    about: fields({
        value: {},
        instanceOf: withFields({
            type: string({ value: "cat" }),
            dangerous: boolean({ value: true })
        })()
    })
})();

const animal = new Animal();
animal.populate({ age: "7" }); // Throws data type error, cannot populate a string with number.

animal.populate({ age: 7 });
await animal.validate(); // Throws a validation error - name must be defined.

animal.name = "Garfield";
await animal.validate(); // All good.

import { withFields, string, number, boolean, fields, onSet } from "@commodo/fields";
import { withName } from "@commodo/name";
import { withHooks } from "@commodo/hooks";
import { withStorage } from "@commodo/fields-storage";
import { MongoDbDriver, withId } from "@commodo/fields-storage-mongodb";
import { compose } from "ramda";

// Define User and Verification models.
const Verification = compose(
  withFields({
    verified: boolean(),
    verifiedOn: string()
  })
)();

const User = compose(
  withFields({
    firstName: string(),
    lastName: string(),
    email: compose(
      onSet(value => value.toLowerCase())
    )(string()),
    age: number(),
    scores: number({ list: true }),
    enabled: boolean({ value: false }),
    verification: fields({ instanceOf: Verification })
  }),
  withHooks({
    async beforeCreate() {
      if (await User.count({ query: { email: this.email } })) {
        throw Error("User with same e-mail already exists.");
      }
    }
  }),
  withName("User"), // Utilized by storage layer, to determine collection / table name.
  withId(),
  withStorage({
    driver: new MongoDbDriver({ database })
  })
)();

const user = new User();
user.populate({
  firstName: "Adrian",
  lastName: "Smith",
  email: "aDrIan@google.com",
  enabled: true,
  scores: [34, 66, 99],
  verification: {
    verified: true,
    verifiedOn: "2019-01-01"
  }
});

await user.save();