using RobotNet10.CustomConfiguration.Events;
using RobotNet10.CustomConfiguration.Models;

namespace RobotNet10.CustomConfiguration.Services;

/// <summary>
/// Service interface cho quản lý configuration files
/// </summary>
public interface IConfigService
{
    // ==========================================
    // EVENTS
    // ==========================================
    
    /// <summary>
    /// Event được trigger khi có thay đổi trong config (tạo mới, cập nhật, xóa, hoặc thay đổi variables)
    /// </summary>
    event EventHandler<ConfigChangedEventArgs>? ConfigChanged;
    
    // ==========================================
    // CONFIG FILE MANAGEMENT
    // ==========================================
    
    Task<ConfigFile> CreateConfigAsync(string configType, List<ConfigVariable> variables, string? description = null);
    Task<ConfigFile?> GetConfigByIdAsync(Guid id);
    Task<ConfigFile?> GetConfigByTypeAsync(string configType);
    Task<List<ConfigFileMetadata>> GetAllConfigsAsync();
    Task<List<ConfigFileMetadata>> SearchConfigsAsync(string? searchText);
    Task<ConfigFile> UpdateConfigAsync(Guid id, List<ConfigVariable>? variables = null, string? description = null);
    Task<bool> DeleteConfigAsync(Guid id);
    Task<bool> ConfigTypeExistsAsync(string configType);
    
    // ==========================================
    // IMPORT/EXPORT
    // ==========================================
    
    Task<ConfigFile> ImportConfigFromJsonAsync(Stream jsonStream, string configType);
    Task<ConfigFile> ImportConfigFromJsonAsync(Stream jsonStream, string configType, string? description);
    Task<Stream> ExportConfigToJsonAsync(Guid id);
    Task<Stream> ExportConfigToJsonAsync(ConfigFile config);
    
    // ==========================================
    // VARIABLE MANAGEMENT
    // ==========================================
    
    Task<ConfigFile> UpdateVariableAsync(Guid configId, string variableName, object? value);
    Task<ConfigFile> AddVariableAsync(Guid configId, ConfigVariable variable);
    Task<ConfigFile> RemoveVariableAsync(Guid configId, string variableName);
}