import {
  Association, DataTypes, HasManyAddAssociationMixin, HasManyCountAssociationsMixin,
  HasManyCreateAssociationMixin, HasManyGetAssociationsMixin, HasManyHasAssociationMixin,
  HasManySetAssociationsMixin, HasManyAddAssociationsMixin, HasManyHasAssociationsMixin,
  HasManyRemoveAssociationMixin, HasManyRemoveAssociationsMixin, Model, ModelDefined, Optional,
  Sequelize, InferAttributes, InferCreationAttributes, CreationOptional, NonAttribute, ForeignKey,
} from 'sequelize';

class User extends Model<InferAttributes<User, { omit: 'projects' }>, InferCreationAttributes<User, { omit: 'projects' }>> {
  // id can be undefined during creation when using `autoIncrement`
  declare id: CreationOptional<number>;
  declare name: string;
  declare preferredName: string | null; // for nullable fields

  // timestamps!
  // createdAt can be undefined during creation
  declare createdAt: CreationOptional<Date>;
  // updatedAt can be undefined during cr Subscribersate>;

  // Since TS cannot determine model association at compile time
  // we have to declare them here purely virtually
  // these will not exist until `Model.init` was called.
  declare getProjects: HasManyGetAssociationsMixin<Project>; // Note the null assertions!
  declare addProject: HasManyAddAssociationMixin<Project, number>;
  declare addProjects: HasManyAddAssociationsMixin<Project, number>;
  declare setProjects: HasManySetAssociationsMixin<Project, number>;
  declare removeProject: HasManyRemoveAssociationMixin<Project, number>;
  declare removeProjects: HasManyRemoveAssociationsMixin<Project, number>;
  declare hasProject: HasManyHasAssociationMixin<Project, number>;
  declare hasProjects: HasManyHasAssociationsMixin<Project, number>;
  declare countProjects: HasManyCountAssociationsMixin;
  declare createProject: HasManyCreateAssociationMixin<Project, 'ownerId'>;

  // You can also pre-declare possible inclusions, these will only be populated if you
  // actively include a relation.
  declare projects?: NonAttribute<Project[]>; // Note this is optional since it's only populated when explicitly requested in code

  // getters that are not attributes should be tagged using NonAttribute
  // to remove them from the model's Attribute Typings.
  get fullName(): NonAttribute<string> {
    return this.name;
  }

  declare static associations: {
    projects: Association<User, Project>;
  };
}

class Project extends Model<
  InferAttributes<Project>,
  InferCreationAttributes<Project>
> {
  // id can be undefined during creation when using `autoIncrement`
  declare id: CreationOptional<number>;

  // foreign keys are automatically added by associations methods (like Project.belongsTo)
  // by branding them using the `ForeignKey` type, `Project.init` will know it does not need to
  // display an error if ownerId is missing.
  declare ownerId: ForeignKey<User['id']>;
  declare name: string;

  // `owner` is an eagerly-loaded association.
  // We tag it as `NonAttribute`
  declare owner?: NonAttribute<User>;

  // createdAt can be undefined during creation
  declare createdAt: CreationOptional<Date>;
  // updatedAt can be undefined during creation
  declare updatedAt: CreationOptional<Date>;
}

class Address extends Model<
  InferAttributes<Address>,
  InferCreationAttributes<Address>
> {
  declare userId: ForeignKey<User['id']>;
  declare address: string;

  // createdAt can be undefined during creation
  declare createdAt: CreationOptional<Date>;
  // updatedAt can be undefined during creation
  declare updatedAt: CreationOptional<Date>;
}

  // Since TS cannot determine model association at compile time
  // we have to declare them here purely virtually
  // these will not exist until `Model.init` was called.

import { DataSource } from "typeorm"

const AppDataSource = new DataSource({
    type: "mariadb",
    host: "localhost",
    port: 3306,
    username: "test",
    password: "test",
    database: "test",
})

import Post from 'src/entities/Post'
import Category from 'src/entities/Category'

const AppDataSource = new DataSource({
    type: "mariadb",
    host: "localhost",
    port: 3306,
    username: "test",
    password: "test",
    database: "test",
    /* 이것들 중 하나 */
    entities: [Post, Category] // entities
    entities: ["src/entities/*.js"] // directory paths
    entities: [Post, Category, "src/entities/*.js"] // entities and directory paths
})

const AppDataSource = new DataSource({
  ...,
  /* 이 중 하나 선택 */
  logging: true // or false
  logging: ["query", "error", "schema"] // Loggin Types
});