import {
  ApiProperty,
  ApiPropertyOptional,
  OmitType,
  PartialType,
} from '@nestjs/swagger';
import { Transform, Type } from 'class-transformer';
import {
  IsBoolean,
  IsDefined,
  IsIn,
  IsInt,
  IsOptional,
  IsString,
  IsUUID,
  Matches,
  Max,
  MaxLength,
  Min,
  MinLength,
  ValidateIf,
  ValidateNested,
} from 'class-validator';
import { MoneyDto } from '../common/money.dto';

const trim = ({ value }: { value: unknown }) =>
  typeof value === 'string' ? value.trim() : value;
export const bankOperationKinds = [
  'expense',
  'topup',
  'transfer',
  'refund',
] as const;
export type BankOperationKind = (typeof bankOperationKinds)[number];
export class RubMoneyInputDto {
  @ApiProperty({ enum: ['RUB'] }) @IsIn(['RUB']) currency: string;
  @ApiProperty({ pattern: '^-?[0-9]+(\\.[0-9]{1,2})?$' })
  @IsString()
  @Matches(/^-?\d+(\.\d{1,2})?$/)
  value: string;
}
export class CreateBankCardDto {
  @ApiProperty({ format: 'uuid' }) @IsUUID() id: string;
  @ApiProperty({ minLength: 1, maxLength: 100 })
  @Transform(trim)
  @IsString()
  @MinLength(1)
  @MaxLength(100)
  name: string;
  @ApiPropertyOptional({ type: String, nullable: true, maxLength: 100 })
  @IsOptional()
  @Transform(trim)
  @IsString()
  @MaxLength(100)
  bankName?: string | null;
  @ApiPropertyOptional({ type: String, nullable: true, pattern: '^[0-9]{4}$' })
  @IsOptional()
  @Matches(/^[0-9]{4}$/)
  lastFour?: string | null;
  @ApiProperty({ type: RubMoneyInputDto })
  @IsDefined()
  @ValidateNested()
  @Type(() => RubMoneyInputDto)
  openingBalance: MoneyDto;
  @ApiProperty({ format: 'date' })
  @IsString()
  @Matches(/^\d{4}-\d{2}-\d{2}$/)
  openingDate: string;
}
export class UpdateBankCardDto extends PartialType(
  OmitType(CreateBankCardDto, ['id'] as const),
  { skipNullProperties: false },
) {
  @ApiProperty({ minimum: 1 }) @IsInt() @Min(1) version: number;
  @ApiPropertyOptional()
  @ValidateIf((_object, value: unknown) => value !== undefined)
  @IsBoolean()
  archived?: boolean;
}
export class CategoryNameDto {
  @ApiProperty({ minLength: 1, maxLength: 80 })
  @Transform(trim)
  @IsString()
  @MinLength(1)
  @MaxLength(80)
  name: string;
}
export class UpdateExpenseCategoryDto extends CategoryNameDto {
  @ApiProperty({ minimum: 1 }) @IsInt() @Min(1) version: number;
}
export class CreateBankOperationDto {
  @ApiProperty({ format: 'uuid' }) @IsUUID() id: string;
  @ApiProperty({ enum: bankOperationKinds })
  @IsIn(bankOperationKinds)
  kind: BankOperationKind;
  @ApiProperty({ format: 'uuid' }) @IsUUID() cardId: string;
  @ApiPropertyOptional({ format: 'uuid' })
  @ValidateIf((_object, value: unknown) => value !== undefined)
  @IsUUID()
  targetCardId?: string;
  @ApiPropertyOptional({ format: 'uuid' })
  @ValidateIf((_object, value: unknown) => value !== undefined)
  @IsUUID()
  categoryId?: string;
  @ApiPropertyOptional({ format: 'uuid' })
  @ValidateIf((_object, value: unknown) => value !== undefined)
  @IsUUID()
  originalExpenseId?: string;
  @ApiProperty({ type: RubMoneyInputDto })
  @IsDefined()
  @ValidateNested()
  @Type(() => RubMoneyInputDto)
  amount: MoneyDto;
  @ApiProperty({ format: 'date' })
  @IsString()
  @Matches(/^\d{4}-\d{2}-\d{2}$/)
  date: string;
  @ApiPropertyOptional({ maxLength: 500 })
  @ValidateIf((_object, value: unknown) => value !== undefined)
  @IsString()
  @MaxLength(500)
  description?: string;
}
export class UpdateBankOperationDto extends PartialType(
  OmitType(CreateBankOperationDto, ['id'] as const),
  { skipNullProperties: false },
) {
  @ApiProperty({ minimum: 1 }) @IsInt() @Min(1) version: number;
}
export class BankCardsQueryDto {
  @ApiPropertyOptional({ enum: ['true', 'false'] })
  @IsOptional()
  @IsIn(['true', 'false'])
  includeArchived?: string;
}
export class BankPageQueryDto {
  @ApiPropertyOptional({ minimum: 1, default: 1 })
  @IsOptional()
  @Type(() => Number)
  @IsInt()
  @Min(1)
  page?: number;
  @ApiPropertyOptional({ minimum: 1, maximum: 100, default: 50 })
  @IsOptional()
  @Type(() => Number)
  @IsInt()
  @Min(1)
  @Max(100)
  limit?: number;
}
export class BankOperationsQueryDto extends BankPageQueryDto {
  @ApiProperty({ pattern: '^[0-9]{4}-(0[1-9]|1[0-2])$' })
  @Matches(/^\d{4}-(0[1-9]|1[0-2])$/)
  month: string;
}
export class BankSummaryQueryDto {
  @ApiProperty({ pattern: '^[0-9]{4}-(0[1-9]|1[0-2])$' })
  @Matches(/^\d{4}-(0[1-9]|1[0-2])$/)
  month: string;
  @ApiPropertyOptional({ format: 'uuid' })
  @IsOptional()
  @IsUUID()
  cardId?: string;
}
export class BankVersionQueryDto {
  @ApiProperty({ minimum: 1 })
  @Type(() => Number)
  @IsInt()
  @Min(1)
  version: number;
}
export class ExpenseCategoryDto {
  @ApiProperty({ type: String }) id: string;
  @ApiProperty({ type: String }) name: string;
  @ApiProperty({ type: Boolean }) isDefault: boolean;
  @ApiProperty({ type: Number }) version: number;
}
export class BankCardDto {
  @ApiProperty({ type: String }) id: string;
  @ApiProperty({ type: String }) name: string;
  @ApiProperty({ type: String, nullable: true }) bankName: string | null;
  @ApiProperty({ type: String, nullable: true }) lastFour: string | null;
  @ApiProperty({ type: MoneyDto }) openingBalance: MoneyDto;
  @ApiProperty({ type: String }) openingDate: string;
  @ApiProperty({ type: MoneyDto }) balance: MoneyDto;
  @ApiProperty({ type: String, nullable: true }) archivedAt: string | null;
  @ApiProperty({ type: Number }) version: number;
}
export class BankOperationDto {
  @ApiProperty({ type: String }) id: string;
  @ApiProperty({ enum: bankOperationKinds }) kind: BankOperationKind;
  @ApiProperty({ type: String }) cardId: string;
  @ApiProperty({ type: String }) cardName: string;
  @ApiProperty({ type: String, nullable: true }) targetCardId: string | null;
  @ApiProperty({ type: String, nullable: true }) targetCardName: string | null;
  @ApiProperty({ type: String, nullable: true }) categoryId: string | null;
  @ApiProperty({ type: String, nullable: true }) categoryName: string | null;
  @ApiProperty({ type: String, nullable: true }) originalExpenseId:
    string | null;
  @ApiProperty({ type: MoneyDto }) amount: MoneyDto;
  @ApiProperty({ type: MoneyDto, nullable: true })
  availableRefund: MoneyDto | null;
  @ApiProperty({ type: String }) date: string;
  @ApiProperty({ type: String, nullable: true }) description: string | null;
  @ApiProperty({ type: Number }) version: number;
  @ApiProperty({ type: String }) createdAt: string;
}
export class BankOperationsPageDto {
  @ApiProperty({ type: BankOperationDto, isArray: true })
  items: BankOperationDto[];
  @ApiProperty({ type: Number }) page: number;
  @ApiProperty({ type: Number }) total: number;
  @ApiProperty({ type: Boolean }) hasNext: boolean;
}
export class BankSummaryCategoryDto {
  @ApiProperty({ type: String }) categoryId: string;
  @ApiProperty({ type: String }) categoryName: string;
  @ApiProperty({ type: MoneyDto }) expenses: MoneyDto;
  @ApiProperty({ type: MoneyDto }) refunds: MoneyDto;
  @ApiProperty({ type: MoneyDto }) net: MoneyDto;
}
export class BankSummaryDto {
  @ApiProperty({ type: String }) month: string;
  @ApiProperty({ type: String, nullable: true }) cardId: string | null;
  @ApiProperty({ type: MoneyDto }) expenses: MoneyDto;
  @ApiProperty({ type: MoneyDto }) refunds: MoneyDto;
  @ApiProperty({ type: MoneyDto }) net: MoneyDto;
  @ApiProperty({ type: BankSummaryCategoryDto, isArray: true })
  categories: BankSummaryCategoryDto[];
}