import { IsString, IsUUID, IsBoolean, IsOptional, IsObject, IsIn } from 'class-validator';

export type PageLayoutType = 'detail' | 'list';

export class CreatePageLayoutDto {
  @IsString()
  name: string;

  @IsUUID()
  objectId: string;

  @IsIn(['detail', 'list'])
  @IsOptional()
  layoutType?: PageLayoutType = 'detail';

  @IsBoolean()
  @IsOptional()
  isDefault?: boolean;

  @IsObject()
  layoutConfig: {
    // For detail layouts: grid-based field positions
    fields: Array<{
      fieldId: string;
      x?: number;
      y?: number;
      w?: number;
      h?: number;
      // For list layouts: field order (optional, defaults to array index)
      order?: number;
    }>;
    relatedLists?: string[];
  };

  @IsString()
  @IsOptional()
  description?: string;
}

export class UpdatePageLayoutDto {
  @IsString()
  @IsOptional()
  name?: string;

  @IsBoolean()
  @IsOptional()
  isDefault?: boolean;

  @IsObject()
  @IsOptional()
  layoutConfig?: {
    fields: Array<{
      fieldId: string;
      x?: number;
      y?: number;
      w?: number;
      h?: number;
      order?: number;
    }>;
    relatedLists?: string[];
  };

  @IsString()
  @IsOptional()
  description?: string;
}