import { BelongsTo, Column, DataType, ForeignKey, Index, Model, Table } from 'sequelize-typescript';

import { Address } from './address';
import { Coin } from './coin';

@Table
export class Balance extends Model {
  @Column({ type: DataType.INTEGER, autoIncrement: true, primaryKey: true })
  id: number;

  @ForeignKey(() => Coin)
  @Index({
    name: 'coinId-addressId-index',
    unique: true,
  })
  @Column(DataType.INTEGER)
  coinId: number;

  @ForeignKey(() => Address)
  @Index({
    name: 'coinId-addressId-index',
    unique: true,
  })
  @Column(DataType.INTEGER)
  addressId: number;

  @Column({ type: DataType.DECIMAL, defaultValue: '0' })
  amount: string;

  @BelongsTo(() => Coin) coin: Coin;

  @BelongsTo(() => Address) address: Address;
}