using Prism.Ioc;
using Prism.Modularity;
using System;
using System.Configuration;
using System.Resources;
using XP.Common.Localization;
using XP.Common.Localization.Interfaces;
using XP.Hardware.MotionControl.Abstractions;
using XP.Hardware.MotionControl.Config;
using XP.Hardware.MotionControl.Implementations;
using XP.Hardware.MotionControl.Services;

namespace XP.Hardware.MotionControl.Module
{
    /// <summary>
    /// 运动控制 Prism 模块 | Motion Control Prism Module
    /// 负责注册运动控制相关服务到 DI 容器，并在初始化时注册多语言资源和启动轮询
    /// Registers motion control services to DI container, registers localization resources and starts polling on initialization
    /// </summary>
    [Module(ModuleName = "MotionControlModule")]
    public class MotionControlModule : IModule
    {
        /// <summary>
        /// 注册类型到 DI 容器 | Register types to DI container
        /// </summary>
        /// <param name="containerRegistry">容器注册器 | Container registry</param>
        public void RegisterTypes(IContainerRegistry containerRegistry)
        {
            // 加载配置（单例）| Load configuration (singleton)
            var config = ConfigLoader.LoadConfig();
            containerRegistry.RegisterInstance(config);

            // 注册几何计算器（单例）| Register geometry calculator (singleton)
            containerRegistry.RegisterSingleton<GeometryCalculator>();

            // 根据配置选择运动系统实现 | Select motion system implementation based on config
            var motionType = ConfigurationManager.AppSettings["MotionControl:Type"] ?? "PLC";
            if (motionType.Equals("Simulated", StringComparison.OrdinalIgnoreCase))
            {
                containerRegistry.RegisterSingleton<IMotionSystem, SimulatedMotionSystem>();
                System.Console.WriteLine("[MotionControlModule] [Simulated] 使用虚拟运动系统 | Using simulated motion system");
            }
            else
            {
                containerRegistry.RegisterSingleton<IMotionSystem, PlcMotionSystem>();
                System.Console.WriteLine("[MotionControlModule] 使用PLC运动系统 | Using PLC motion system");
            }

            // 注册运动控制业务服务（单例）| Register motion control service (singleton)
            containerRegistry.RegisterSingleton<IMotionControlService, MotionControlService>();

            System.Console.WriteLine("[MotionControlModule] 类型注册完成 | Type registration completed");
        }

        /// <summary>
        /// 模块初始化 | Module initialization
        /// </summary>
        /// <param name="containerProvider">容器提供者 | Container provider</param>
        public void OnInitialized(IContainerProvider containerProvider)
        {
            // 注册模块级多语言资源到 Fallback Chain | Register module-level localization resources to Fallback Chain
            var localizationService = containerProvider.Resolve<ILocalizationService>();
            var resourceManager = new ResourceManager(
                "XP.Hardware.MotionControl.Resources.Resources",
                typeof(MotionControlModule).Assembly);
            localizationService.RegisterResourceSource("XP.Hardware.MotionControl", resourceManager);

            // 初始化 LocalizationHelper，使其通过 ILocalizationService 获取字符串（支持 Fallback Chain）
            // Initialize LocalizationHelper to use ILocalizationService for string lookup (supports Fallback Chain)
            LocalizationHelper.Initialize(localizationService);

            // 启动状态轮询（虚拟模式和 PLC 模式均需要，用于驱动 UI 位置更新事件）
            // Start status polling (needed for both simulated and PLC modes to drive UI position update events)
            var motionService = containerProvider.Resolve<IMotionControlService>();
            motionService.StartPolling();

            var motionSystem = containerProvider.Resolve<IMotionSystem>();
            if (motionSystem is SimulatedMotionSystem)
            {
                System.Console.WriteLine("[MotionControlModule] [Simulated] 轮询已启动（虚拟模式）| Polling started (simulated mode)");
            }
            else
            {
                System.Console.WriteLine("[MotionControlModule] PLC 轮询已启动 | PLC polling started");
            }

            System.Console.WriteLine("[MotionControlModule] 模块已初始化 | Module initialized");
        }
    }
}