import { ApiProperty } from '@nestjs/swagger';
import { IsArray, IsEnum, IsNotEmpty, ArrayMinSize, ArrayUnique } from 'class-validator';

/**
 * Enum for valid outer car parts that can be damaged
 * Follows the naming convention from workflow step definition
 */
export enum OuterCarPart {
  // Hood
  HOOD = 'hood',
  
  // Doors
  FRONT_RIGHT_DOOR = 'front_right_door',
  FRONT_LEFT_DOOR = 'front_left_door',
  REAR_RIGHT_DOOR = 'rear_right_door',
  REAR_LEFT_DOOR = 'rear_left_door',
  
  // Bumpers
  FRONT_BUMPER = 'front_bumper',
  REAR_BUMPER = 'rear_bumper',
  
  // Fenders
  FRONT_RIGHT_FENDER = 'front_right_fender',
  FRONT_LEFT_FENDER = 'front_left_fender',
  REAR_RIGHT_FENDER = 'rear_right_fender',
  REAR_LEFT_FENDER = 'rear_left_fender',
  
  // Trunk & Roof
  TRUNK = 'trunk',
  ROOF = 'roof',
}

/**
 * V2 DTO for selecting damaged outer car parts
 * Much cleaner than the nested boolean structure
 */
export class SelectOuterPartsV2Dto {
  @ApiProperty({
    description: 'Array of selected damaged outer car parts',
    example: ['hood', 'front_right_door', 'rear_bumper', 'roof'],
    enum: OuterCarPart,
    isArray: true,
    minItems: 1,
    maxItems: 13,
  })
  @IsNotEmpty({ message: 'Selected parts array cannot be empty' })
  @IsArray({ message: 'selectedParts must be an array' })
  @ArrayMinSize(1, { message: 'At least one damaged part must be selected' })
  @ArrayUnique({ message: 'Duplicate parts are not allowed' })
  @IsEnum(OuterCarPart, {
    each: true,
    message: 'Invalid part name. Must be one of the valid outer car parts',
  })
  selectedParts: OuterCarPart[];
}

/**
 * Response DTO for select outer parts V2
 */
export class SelectOuterPartsV2ResponseDto {
  @ApiProperty({
    description: 'Claim request ID',
    example: '507f1f77bcf86cd799439011',
  })
  claimRequestId: string;

  @ApiProperty({
    description: 'Public ID shared across blame and claim',
    example: 'A14235',
  })
  publicId: string;

  @ApiProperty({
    description: 'Array of selected damaged parts',
    example: ['hood', 'front_right_door', 'rear_bumper'],
  })
  selectedParts: string[];

  @ApiProperty({
    description: 'Current workflow step',
    example: 'SELECT_OUTER_PARTS',
  })
  currentStep: string;

  @ApiProperty({
    description: 'Next possible workflow step',
    example: 'SELECT_OTHER_PARTS',
  })
  nextStep: string;

  @ApiProperty({
    description: 'Success message',
    example: 'Outer parts selected successfully. Please proceed to select other parts.',
  })
  message: string;
}