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

export type MarketOverviewStatus = 'fresh' | 'delayed' | 'partial' | 'unavailable';
export type QuoteDirection = 'up' | 'down' | 'flat';

export class MarketOverviewMetaDto {
  @ApiProperty({ type: String })
  snapshotId!: string;

  @ApiProperty({ type: String, format: 'date-time' })
  asOf!: string;

  @ApiProperty({ type: String, enum: ['tdx'] })
  source!: 'tdx';

  @ApiProperty({ enum: ['fresh', 'delayed', 'partial', 'unavailable'] })
  status!: MarketOverviewStatus;

  @ApiProperty({ type: [String] })
  warnings!: string[];
}

export class IndexQuoteDto {
  @ApiProperty({ type: String })
  code!: string;

  @ApiProperty({ type: String })
  name!: string;

  @ApiProperty({ type: Number })
  price!: number;

  @ApiPropertyOptional({ type: Number, nullable: true })
  changePercent!: number | null;

  @ApiProperty({ enum: ['up', 'down', 'flat'] })
  direction!: QuoteDirection;

  @ApiProperty({ type: String })
  tradeDate!: string;
}

export class IndicesDataDto {
  @ApiProperty({ type: [IndexQuoteDto] })
  items!: IndexQuoteDto[];
}

export class SummaryDataDto {
  @ApiProperty({ type: String })
  verdict!: string;

  @ApiProperty({ type: String })
  marketStatus!: string;

  @ApiProperty({ type: String })
  volumeStatus!: string;

  @ApiProperty({ type: String })
  sentimentStatus!: string;

  @ApiProperty({ type: [String] })
  drivers!: string[];

  @ApiProperty({ type: [String] })
  risks!: string[];
}

export class BreadthDataDto {
  @ApiProperty({ type: Number })
  advancing!: number;

  @ApiProperty({ type: Number })
  declining!: number;

  @ApiProperty({ type: Number, nullable: true })
  unchanged!: number | null;
}

export class SectorQuoteDto {
  @ApiProperty({ type: String })
  code!: string;

  @ApiProperty({ type: String })
  name!: string;

  @ApiProperty({ type: Number })
  changePercent!: number;

  @ApiProperty({ enum: ['up', 'down', 'flat'] })
  direction!: QuoteDirection;

  @ApiProperty({ type: String })
  tradeDate!: string;
}

export class SectorDataDto {
  @ApiProperty({ type: [SectorQuoteDto] })
  items!: SectorQuoteDto[];
}

export class FundDataDto {
  @ApiProperty({ type: Number })
  currentAmount!: number;

  @ApiProperty({ type: Number })
  previousAmount!: number;

  @ApiProperty({ type: Number })
  changePercent!: number;

  @ApiProperty({ type: String, example: '亿元' })
  unit!: '亿元';

  @ApiProperty({ type: Number, minimum: 1, maximum: 3 })
  marketCount!: number;

  @ApiProperty({ type: String, example: '20260818' })
  tradeDate!: string;

  @ApiProperty({ type: String, example: '20260817' })
  previousTradeDate!: string;
}

export class SummaryResponseDto extends MarketOverviewMetaDto {
  @ApiProperty({ type: () => SummaryDataDto, nullable: true })
  data!: SummaryDataDto | null;
}

export class IndicesResponseDto extends MarketOverviewMetaDto {
  @ApiProperty({ type: () => IndicesDataDto, nullable: true })
  data!: IndicesDataDto | null;
}

export class BreadthResponseDto extends MarketOverviewMetaDto {
  @ApiProperty({ type: () => BreadthDataDto, nullable: true })
  data!: BreadthDataDto | null;
}

export class SectorsResponseDto extends MarketOverviewMetaDto {
  @ApiProperty({ type: () => SectorDataDto, nullable: true })
  data!: SectorDataDto | null;
}

export class FundsResponseDto extends MarketOverviewMetaDto {
  @ApiProperty({ type: () => FundDataDto, nullable: true })
  data!: FundDataDto | null;
}