using System.Reflection;
using Microsoft.Extensions.Configuration;

namespace Luna.Configuration.Services.Providers;

internal class ProviderOptionsConfigurationProvider(IEnumerable<(string Name, ProviderOptions Options)> providerOptions)
    : ConfigurationProvider
{
    public override void Load()
    {
        foreach (var (name, options) in providerOptions)
        {
            var keyPrefix = $"Providers:{name}";

            foreach (var property in options.GetType().GetProperties(BindingFlags.Instance | BindingFlags.Public))
            {
                var value = property.GetValue(options);

                if (value is string[] array)
                {
                    for (var i = 0; i < array.Length; i++)
                        Data[$"{keyPrefix}:{property.Name}:{i}"] = array[i];
                }
                else
                {
                    Data[$"{keyPrefix}:{property.Name}"] = value?.ToString();
                }
            }
        }
    }
}