using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using RobotNet10.CustomConfiguration.Services;
using RobotNet10.StorageManager;

namespace RobotNet10.CustomConfiguration.Extensions;

/// <summary>
/// Extension methods cho dependency injection
/// </summary>
public static class ServiceCollectionExtensions
{
    /// <summary>
    /// Đăng ký các services cho CustomConfiguration
    /// StorageConfig sẽ được inject từ project sử dụng thư viện này
    /// </summary>
    public static IServiceCollection AddCustomConfiguration(
        this IServiceCollection services,
        StorageConfig storageConfig)
    {
        ArgumentNullException.ThrowIfNull(storageConfig);

        // Register StorageConfig as named options (matching ConfigService constructor)
        services.Configure<StorageConfig>("StorageConfigs", options =>
        {
            options.UsingLocal = storageConfig.UsingLocal;
            options.LocalFolder = storageConfig.LocalFolder;
            options.Bucket = storageConfig.Bucket;
            options.MinioConfig = storageConfig.MinioConfig;
            options.RetryCount = storageConfig.RetryCount;
        });

        // Register ConfigService (creates StorageManager internally)
        services.AddSingleton<IConfigService, ConfigService>();

        // Register ConfigManager (depends on IConfigService)
        services.AddSingleton<IConfigManager, ConfigManager>();

        return services;
    }
    
    /// <summary>
    /// Đăng ký các services cho CustomConfiguration với StorageConfig từ IConfiguration
    /// </summary>
    public static IServiceCollection AddCustomConfiguration(
        this IServiceCollection services,
        IConfiguration configuration,
        string configSectionName = "StorageConfig")
    {
        services.Configure<StorageConfig>("StorageConfigs", options =>
        {
            configuration.GetSection(configSectionName).Bind(options);
        });

        // Register ConfigService (creates StorageManager internally)
        services.AddSingleton<IConfigService, ConfigService>();

        // Register ConfigManager (depends on IConfigService)
        services.AddSingleton<IConfigManager, ConfigManager>();
        return services;
    }
}