import { ApiProperty, ApiPropertyOptional } from '@nestjs/swagger';
import { IsDateString, IsOptional, Matches } from 'class-validator';
import { AccountReferenceDto } from './account-reference.dto';
import { MoneyDto } from '../common/money.dto';

export class UpcomingEventsQueryDto {
  @ApiPropertyOptional({
    format: 'date',
    description: 'Inclusive start date (YYYY-MM-DD). Defaults to today in UTC.',
  })
  @IsOptional()
  @Matches(/^\d{4}-\d{2}-\d{2}$/)
  @IsDateString({ strict: true })
  from?: string;

  @ApiPropertyOptional({
    format: 'date',
    description:
      'Inclusive end date (YYYY-MM-DD). Defaults to 30 days after from.',
  })
  @IsOptional()
  @Matches(/^\d{4}-\d{2}-\d{2}$/)
  @IsDateString({ strict: true })
  to?: string;
}

export class UpcomingEventDto {
  @ApiPropertyOptional({ type: AccountReferenceDto })
  account?: AccountReferenceDto;

  @ApiProperty({ enum: ['coupon', 'dividend', 'maturity', 'offer'] })
  type: 'coupon' | 'dividend' | 'maturity' | 'offer';

  @ApiProperty({ format: 'date' })
  date: string;

  @ApiProperty({ enum: ['event', 'registry'] })
  dateKind: 'event' | 'registry';

  @ApiProperty({ type: String, nullable: true })
  figi: string | null;

  @ApiProperty({ type: String, nullable: true })
  instrumentUid: string | null;

  @ApiProperty()
  ticker: string;

  @ApiProperty()
  displayName: string;

  @ApiProperty({ type: String, nullable: true })
  isin: string | null;

  @ApiProperty({ type: String, nullable: true })
  logoName: string | null;

  @ApiProperty({ type: MoneyDto, nullable: true })
  projectedAmount: MoneyDto | null;
}

export class UpcomingEventsDto {
  @ApiProperty()
  accountId: string;

  @ApiProperty({ format: 'date-time' })
  calculatedAt: string;

  @ApiProperty({ type: UpcomingEventDto, isArray: true })
  events: UpcomingEventDto[];

  @ApiProperty({ type: MoneyDto, isArray: true })
  incomeTotalsByCurrency: MoneyDto[];
}