using Microsoft.Extensions.Options;
using StellaOps.DependencyInjection.Validation;

namespace StellaOps.Plugin.MyConnector;

/// <summary>
/// Validates <see cref="MyConnectorOptions"/> configuration.
/// </summary>
public sealed class MyConnectorOptionsValidator : OptionsValidatorBase<MyConnectorOptions>
{
    protected override string SectionPrefix => MyConnectorOptions.SectionName;

    protected override void ValidateOptions(MyConnectorOptions options, ValidationContext context)
    {
        context
            .RequireNotEmpty(options.BaseUrl, nameof(options.BaseUrl))
            .RequirePositive(options.TimeoutSeconds, nameof(options.TimeoutSeconds))
            .RequireInRange(options.MaxRetries, nameof(options.MaxRetries), 0, 10);

        // Validate URL format
        if (!string.IsNullOrWhiteSpace(options.BaseUrl) &&
            !Uri.TryCreate(options.BaseUrl, UriKind.Absolute, out _))
        {
            context.AddError(nameof(options.BaseUrl), "must be a valid absolute URL.");
        }
    }
}