import { Type } from 'class-transformer';
import {
    ArrayNotEmpty,
    IsArray,
    IsBoolean,
    IsNotEmpty,
    IsNumber,
    IsOptional,
    IsString,
    Min,
    ValidateNested,
} from 'class-validator';
import { ISubexerciseDTO } from '../../shared/model/HasExercises';
import { ISheetDTO } from '../../shared/model/Sheet';

export class SubExerciseDTO implements ISubexerciseDTO {
    @IsOptional()
    @IsString()
    id?: string;

    @IsNotEmpty()
    @IsString()
    exName!: string;

    @IsNumber()
    @Min(0)
    maxPoints!: number;

    @IsBoolean()
    bonus!: boolean;
}

export class ExerciseDTO extends SubExerciseDTO {
    @IsArray()
    @IsOptional()
    @ValidateNested({ each: true })
    @Type(() => SubExerciseDTO)
    subexercises?: SubExerciseDTO[];
}

export class SheetDTO implements ISheetDTO {
    @IsNumber()
    sheetNo!: number;

    @IsBoolean()
    bonusSheet!: boolean;

    @IsArray()
    @ArrayNotEmpty()
    @ValidateNested({ each: true })
    @Type(() => ExerciseDTO)
    exercises!: ExerciseDTO[];
}