import { ApiProperty, ApiPropertyOptional } from '@nestjs/swagger';
import { IsArray, IsEnum, IsNotEmpty, IsOptional, IsString, Matches, Length, ArrayMaxSize } from 'class-validator';

/**
 * Enum for valid other (non-body) car parts that can be damaged
 */
export enum OtherCarPart {
  ENGINE = 'engine',
  SUSPENSION = 'suspension',
  BRAKE_SYSTEM = 'brake_system',
  ELECTRICAL = 'electrical',
  RADIATOR = 'radiator',
  TRANSMISSION = 'transmission',
  EXHAUST = 'exhaust',
  HEADLIGHT = 'headlight',
  TAILLIGHT = 'taillight',
  MIRROR = 'mirror',
  GLASS = 'glass',
}

/**
 * V2 DTO for selecting other damaged parts and bank information
 * Step 3 of claim workflow
 */
export class SelectOtherPartsV2Dto {
  @ApiPropertyOptional({
    description: 'Array of selected other damaged parts (non-body parts)',
    example: ['engine', 'suspension', 'headlight'],
    enum: OtherCarPart,
    isArray: true,
    maxItems: 11,
    required: false,
  })
  @IsOptional()
  @IsArray({ message: 'otherParts must be an array' })
  @ArrayMaxSize(11, { message: 'Maximum 11 other parts can be selected' })
  @IsEnum(OtherCarPart, {
    each: true,
    message: 'Invalid part name. Must be one of the valid other car parts',
  })
  otherParts?: OtherCarPart[];

  @ApiProperty({
    description: 'Sheba number (IBAN) for payment - 24 digits without IR prefix',
    example: '123456789012345678901234',
    pattern: '^[0-9]{24}$',
    minLength: 24,
    maxLength: 24,
  })
  @IsNotEmpty({ message: 'Sheba number is required' })
  @IsString({ message: 'Sheba number must be a string' })
  @Length(24, 24, { message: 'Sheba number must be exactly 24 digits' })
  @Matches(/^[0-9]{24}$/, {
    message: 'Sheba number must contain exactly 24 digits (without IR prefix)',
  })
  shebaNumber: string;

  @ApiProperty({
    description: 'National code of the owner - 10 digits',
    example: '1234567890',
    pattern: '^[0-9]{10}$',
    minLength: 10,
    maxLength: 10,
  })
  @IsNotEmpty({ message: 'National code of owner is required' })
  @IsString({ message: 'National code must be a string' })
  @Length(10, 10, { message: 'National code must be exactly 10 digits' })
  @Matches(/^[0-9]{10}$/, {
    message: 'National code must contain exactly 10 digits',
  })
  nationalCodeOfOwner: string;
}

/**
 * Response DTO for select other parts V2
 */
export class SelectOtherPartsV2ResponseDto {
  @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 other damaged parts',
    example: ['engine', 'suspension'],
    required: false,
  })
  otherParts?: string[];

  @ApiProperty({
    description: 'Sheba number (masked for security)',
    example: 'IR12************1234',
  })
  shebaNumber: string;

  @ApiProperty({
    description: 'National code of owner (masked)',
    example: '12******90',
  })
  nationalCodeOfOwner: string;

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

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

  @ApiProperty({
    description: 'Success message',
    example: 'Other parts and bank information saved successfully. Please proceed to upload required documents.',
  })
  message: string;
}