import { ApiProperty, ApiPropertyOptional } from '@nestjs/swagger';
import { IsDateString, IsOptional, Matches } from 'class-validator';

import { MoneyDto } from '#src/common/money.dto';

import { AccountReferenceDto } from '../account-reference.dto';
import {
  InvestmentReadQueryDto,
  InvestmentResourceMetaDto,
} from '../investment-resource.dto';

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

  @ApiPropertyOptional({
    format: 'date',
    description:
      'Inclusive UTC calendar end date (YYYY-MM-DD). May be supplied independently; defaults to 30 days after from. Timestamp queries use the start of the following UTC day as the exclusive end.',
  })
  @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'] })
  declare type: 'coupon' | 'dividend' | 'maturity' | 'offer';

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

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

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

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

  @ApiProperty()
  declare ticker: string;

  @ApiProperty()
  declare displayName: string;

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

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

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

export class UpcomingEventsWindowDto {
  @ApiProperty({ format: 'date' })
  declare from: string;

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

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

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

  @ApiProperty({
    type: UpcomingEventsWindowDto,
    description:
      'Inclusive UTC window the saved forecast was calculated for. Unchanged by the requested from/to filter.',
  })
  declare window: UpcomingEventsWindowDto;

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

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

export class UpcomingEventsResourceDto {
  @ApiProperty({ type: UpcomingEventsDto, nullable: true })
  declare data: null | UpcomingEventsDto;

  @ApiProperty({ type: InvestmentResourceMetaDto })
  declare meta: InvestmentResourceMetaDto;
}