using System.ComponentModel.DataAnnotations;

namespace ShrlAlgo.Toolkit.Mvvm.Attributes;

[AttributeUsage(AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Parameter)]
public sealed class MinimumAttribute : ValidationAttribute
{
    public MinimumAttribute(double minValue = 0)
    {
        MinValue = minValue;
    }

    public double MinValue { get; }

    protected override ValidationResult IsValid(object value, ValidationContext validationContext)
    {
        return double.TryParse(value.ToString(), out var d) && d >= MinValue ? ValidationResult.Success : new ValidationResult("����ֵ������Χ");
    }
}