import { ApiPropertyOptional } from "@nestjs/swagger";
import { IsBoolean, IsOptional, IsString, MaxLength, MinLength } from "class-validator";
import { Exclude, Expose } from "class-transformer";

/**
 * DTO for saving (updating) a participant
 * Note: Email is readonly and cannot be updated
 * Note: Department is managed through ParticipantGroupHistory
 */
@Exclude()
export class SaveParticipantDto {
  @Expose()
  @ApiPropertyOptional({
    description: "First name",
    example: "John",
    minLength: 1,
    maxLength: 100,
  })
  @IsOptional()
  @IsString()
  @MinLength(1)
  @MaxLength(100)
  first_name?: string;

  @Expose()
  @ApiPropertyOptional({
    description: "Last name",
    example: "Smith",
    minLength: 1,
    maxLength: 100,
  })
  @IsOptional()
  @IsString()
  @MinLength(1)
  @MaxLength(100)
  last_name?: string;

  // Email is readonly - removed from DTO
  // @ApiPropertyOptional({
  //   description: "Email address",
  //   example: "john.smith@company.com",
  // })
  // @IsOptional()
  // @IsEmail()
  // email?: string;

  // Department is managed separately through ParticipantGroupHistory
  // @ApiPropertyOptional({
  //   description: "Department (participant group name)",
  //   example: "Sales Team",
  // })
  // @IsOptional()
  // @IsString()
  // department?: string;

  @Expose()
  @ApiPropertyOptional({
    description: "Department (participant group name)",
    example: "Sales Team",
  })
  @IsOptional()
  @IsString()
  department?: string;

  @Expose()
  @ApiPropertyOptional({
    description: "Active status (true = active, false = inactive/pending)",
    example: true,
  })
  @IsOptional()
  @IsBoolean()
  is_active?: boolean;
}