import { Type, Transform } from 'class-transformer'
import {
  IsBoolean,
  IsIn,
  IsInt,
  IsNotEmpty,
  IsOptional,
  IsString,
  IsUrl,
  Matches,
  Max,
  MaxLength,
  Min,
} from 'class-validator'

export class ProductDto {
  @IsString()
  @Transform(({ value }) => (typeof value === 'string' ? value.trim() : value))
  @IsNotEmpty()
  @MaxLength(80)
  title!: string
  @IsString() @MaxLength(5000) description!: string
  @IsUrl({ protocols: ['https'], require_protocol: true }) @MaxLength(1000) coverUrl!: string
  @IsInt() @Min(1) @Max(10000000) price!: number
  @IsBoolean() isActive!: boolean
  @IsInt() @Min(0) @Max(99999) sortOrder!: number
  @IsOptional() @IsInt() @Min(0) version?: number
}
export class StockDto {
  @IsInt() @Min(-1000000) @Max(1000000) delta!: number
  @IsInt() @Min(0) version!: number
  @IsString()
  @Transform(({ value }) => (typeof value === 'string' ? value.trim() : value))
  @IsNotEmpty()
  @MaxLength(200)
  reason!: string
}
export class BuyProductDto {
  @IsInt()
  @Min(1)
  @Max(10000000)
  expectedPrice!: number

  @IsString() @IsNotEmpty() @MaxLength(50) productId!: string
  @IsString() @Matches(/^[a-zA-Z0-9_-]{8,80}$/) requestId!: string
  @IsInt() @Min(1) @Max(99) quantity!: number
  @IsString()
  @Transform(({ value }) => (typeof value === 'string' ? value.trim() : value))
  @IsNotEmpty()
  @MaxLength(40)
  contactName!: string
  @IsString() @Matches(/^1[3-9]\d{9}$/) contactPhone!: string
}
export class ShopQueryDto {
  @IsOptional() @Type(() => Number) @IsInt() @Min(1) @Max(100000) page = 1
  @IsOptional() @Type(() => Number) @IsInt() @Min(1) @Max(50) limit = 20
  @IsOptional() @IsIn(['PENDING', 'PAID', 'COMPLETED', 'CANCELLED']) status?:
    | 'PENDING'
    | 'PAID'
    | 'COMPLETED'
    | 'CANCELLED'
  @IsOptional() @IsString() @MaxLength(80) search?: string
  @IsOptional() @IsString() @MaxLength(50) productId?: string
}