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

import { EvmAccount } from './evmAccount';
import { EvmToken } from './evmToken';

@Scopes(() => ({
  defaultScope: {
    attributes: {
      exclude: ['createdAt', 'updatedAt'],
    },
    include: [
      {
        model: EvmAccount,
        as: 'evmAccount',
      },
      {
        model: EvmToken,
        as: 'evmToken',
      },
    ],
  },
  tokenOnly: {
    attributes: {
      exclude: ['createdAt', 'updatedAt'],
    },
    include: [
      {
        model: EvmToken,
        as: 'evmToken',
      },
    ],
  },
}))
@Table
export class EvmAccountERC20TokenBalance extends Model<EvmAccountERC20TokenBalance> {
  @Column({ type: DataType.STRING, defaultValue: '0' })
  amount: string;

  // relations M-1
  @Index({
    name: 'erc720-token-index',
    using: 'HASH',
  })
  @ForeignKey(() => EvmToken)
  @Column(DataType.INTEGER)
  evmTokenId: number;

  @Index({
    name: 'erc720-account-index',
    using: 'HASH',
  })
  @ForeignKey(() => EvmAccount)
  @Column(DataType.INTEGER)
  evmAccountId: number;

  @BelongsTo(() => EvmToken)
  evmToken: EvmToken;

  @BelongsTo(() => EvmAccount)
  evmAccount: EvmAccount;
}