import { registerDecorator, ValidationOptions, ValidationArguments } from 'class-validator';

export function IsDateFormat(validationOptions?: ValidationOptions) {
    return function (object: Object, propertyName: string) {
        registerDecorator({
            name: 'isDateFormat',
            target: object.constructor,
            propertyName: propertyName,
            options: validationOptions,
            validator: {
                validate(value: any, args: ValidationArguments) {
                    // Your custom date format validation logic
                    // Here, you can check if the value matches the 'Y-m-d' format
                    const regex = /^\d{4}-\d{2}-\d{2}$/;
                    return typeof value === 'string' && regex.test(value);
                },
                defaultMessage(args: ValidationArguments) {
                    return `${args.property} must be in the format 'Y-m-d'`;
                },
            },
        });
    };
}