using Microsoft.Extensions.Options;
using Mirea.Api.Endpoint.Configuration.General.Attributes;
using Mirea.Api.Endpoint.Configuration.General.Interfaces;
using System;
using System.Reflection;

namespace Mirea.Api.Endpoint.Configuration.General.Validators;

public class SettingsRequiredValidator
{
    private readonly GeneralConfig _generalConfig;

    public SettingsRequiredValidator(IOptionsSnapshot<GeneralConfig> configuration) =>
        _generalConfig = configuration.Value;

    public SettingsRequiredValidator(GeneralConfig configuration) =>
        _generalConfig = configuration;

    public bool AreSettingsValid()
    {
        foreach (var property in _generalConfig
                     .GetType()
                     .GetProperties(BindingFlags.Public | BindingFlags.Instance))
        {
            if (!Attribute.IsDefined(property.PropertyType, typeof(RequiredSettingsAttribute))) continue;

            var value = property.GetValue(_generalConfig);
            if (value == null)
                return false;

            var isConfigured = value as IIsConfigured;
            if (!isConfigured!.IsConfigured())
                return false;
        }

        return true;
    }
}