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

import { Coin } from './coin';
import { Tx } from './tx';
import { Validator } from './validator';

@Table({
  defaultScope: {
    attributes: {
      exclude: ['signedBy'],
    },
  },
})
export class Block extends Model<Block> {
  @Column({ primaryKey: true, type: DataType.INTEGER })
  height: number;

  @Column(DataType.DATE)
  date: Date;

  @Index({
    name: 'block-hash-index',
    using: 'HASH',
  })
  @Column(DataType.STRING)
  hash: string;

  @Column(DataType.DECIMAL)
  emission: string;

  @Column(DataType.INTEGER)
  size: number;

  @Column(DataType.DECIMAL)
  reward: string;

  @Column(DataType.FLOAT)
  blockTime: number;

  @Column(DataType.INTEGER)
  txsCount: number;

  @Column(DataType.INTEGER)
  validatorsCount: number;

  @HasMany(() => Validator)
  validators: Validator[];

  @ForeignKey(() => Validator)
  @Column(DataType.INTEGER)
  proposerId: number;

  @HasMany(() => Tx)
  txs: Tx[];

  @BelongsTo(() => Validator, {
    foreignKey: 'proposerId',
    constraints: false,
  })
  proposer: Validator;

  @HasMany(() => Coin)
  coins: Coin[];
}