import { ApiProperty } from '@nestjs/swagger';

const eventTypes = ['dividend', 'coupon', 'maturity', 'offer'] as const;
const eventCategories = ['cashflow', 'corporate'] as const;
const instrumentTypes = ['share', 'bond', 'other'] as const;

export class BrokerEventItemDto {
  @ApiProperty()
  id!: string;

  @ApiProperty({ enum: eventTypes })
  type!: string;

  @ApiProperty({ enum: eventCategories })
  category!: string;

  @ApiProperty()
  eventDate!: string;

  @ApiProperty({ nullable: true })
  paymentDate!: string | null;

  @ApiProperty({ nullable: true })
  ticker!: string | null;

  @ApiProperty({ nullable: true })
  name!: string | null;

  @ApiProperty({ nullable: true })
  instrumentUid!: string | null;

  @ApiProperty({ enum: instrumentTypes })
  instrumentType!: string;

  @ApiProperty({ nullable: true })
  quantitySnapshot!: number | null;

  @ApiProperty({ nullable: true })
  payoutPerUnit!: number | null;

  @ApiProperty({ nullable: true })
  estimatedAmount!: number | null;

  @ApiProperty({ nullable: true })
  currency!: string | null;

  @ApiProperty()
  estimateMode!: 'current_position';
}

export class BrokerEventsSummaryDto {
  @ApiProperty({ minimum: 0 })
  eventCount!: number;

  @ApiProperty({ nullable: true })
  nearestEventDate!: string | null;

  @ApiProperty()
  totalEstimatedCashflow!: number;

  @ApiProperty()
  dividendsTotal!: number;

  @ApiProperty()
  couponsTotal!: number;

  @ApiProperty()
  principalRepaymentTotal!: number;
}

export class BrokerEventsDataDto {
  @ApiProperty({ type: [BrokerEventItemDto] })
  items!: BrokerEventItemDto[];

  @ApiProperty({ type: BrokerEventsSummaryDto })
  summary!: BrokerEventsSummaryDto;

  @ApiProperty()
  asOf!: string;
}