import { Transform } from 'class-transformer';
import { IsEmail, IsIn, IsOptional, IsString, Matches, MaxLength, MinLength } from 'class-validator';

const emptyToUndefined = ({ value }: { value: unknown }) =>
  typeof value === 'string' ? value.trim() || undefined : value;

export class ClientCreateUserDto {
  @Transform(emptyToUndefined) @IsOptional() @IsString() @MaxLength(100) username?: string;
  @Transform(emptyToUndefined) @IsOptional() @IsEmail() @MaxLength(200) email?: string;
  @Transform(emptyToUndefined) @IsOptional() @Matches(/^\+?[0-9-]{6,24}$/) phone?: string;
  @IsString() @MinLength(1) @MaxLength(100) displayName!: string;
  @IsString() @MinLength(8) @MaxLength(128) password!: string;
  @IsOptional() @IsIn(['active', 'disabled']) status?: 'active' | 'disabled';
}

export class ClientUpdateUserDto {
  @Transform(emptyToUndefined) @IsOptional() @IsString() @MaxLength(100) username?: string;
  @Transform(emptyToUndefined) @IsOptional() @IsEmail() @MaxLength(200) email?: string;
  @Transform(emptyToUndefined) @IsOptional() @Matches(/^\+?[0-9-]{6,24}$/) phone?: string;
  @IsOptional() @IsString() @MinLength(1) @MaxLength(100) displayName?: string;
  @IsOptional() @IsIn(['active', 'disabled']) status?: 'active' | 'disabled';
}

export class ClientUserStatusDto {
  @IsIn(['active', 'disabled']) status!: 'active' | 'disabled';
}

export class ClientUserPasswordDto {
  @IsString() @MinLength(8) @MaxLength(128) password!: string;
}