using Microsoft.Extensions.Logging;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using X1.DynamicClientCore.Interfaces;
using X1.DynamicClientCore.Models;

namespace X1.DynamicClientCore.Features.Service
{
    /// <summary>
    /// 设备协议客户端实现类
    /// 提供与设备设备通信的协议服务，包括设备信息获取、网络控制等功能
    /// </summary>
    /// <remarks>
    /// 实现 IInstrumentProtocolClient 和 IBaseInstrumentClient 接口
    /// 支持动态服务端点管理和HTTP通信
    /// </remarks>
    public class InstrumentProtocolClient : IInstrumentHttpClient
    {
        private readonly ILogger<InstrumentProtocolClient> _logger;
        private readonly IDynamicHttpClient _dynamicHttpClient;
        private readonly IServiceEndpointManager _serviceEndpointManager;

        /// <summary>
        /// 初始化设备协议客户端
        /// </summary>
        /// <param name="dynamicHttpClient">动态HTTP客户端</param>
        /// <param name="serviceEndpointManager">服务端点管理器</param>
        /// <param name="logger">日志记录器</param>
        /// <exception cref="ArgumentNullException">当任何必需参数为null时抛出</exception>
        public InstrumentProtocolClient(
            IDynamicHttpClient dynamicHttpClient, 
            IServiceEndpointManager serviceEndpointManager, 
            ILogger<InstrumentProtocolClient> logger)
        {
            _dynamicHttpClient = dynamicHttpClient ?? throw new ArgumentNullException(nameof(dynamicHttpClient));
            _serviceEndpointManager = serviceEndpointManager ?? throw new ArgumentNullException(nameof(serviceEndpointManager));
            _logger = logger ?? throw new ArgumentNullException(nameof(logger));
        }

        /// <summary>
        /// 获取设备序列号
        /// </summary>
        /// <param name="endpoint">服务端点配置</param>
        /// <param name="options">请求选项</param>
        /// <param name="cancellationToken">取消令牌</param>
        /// <returns>设备序列号，如果获取失败则返回空字符串</returns>
        /// <exception cref="ArgumentNullException">当endpoint为null时抛出</exception>
        public async Task<string> GetDeviceSerialNumberAsync(
                     string instrumentNumber,
            RequestOptions? options = null, 
            CancellationToken cancellationToken = default)
        {
            if (string.IsNullOrWhiteSpace(instrumentNumber))
                throw new ArgumentException("设备编号不能为空", nameof(instrumentNumber));

            try
            {
                _logger.LogDebug("开始获取设备序列号，端点：{EndpointName}", instrumentNumber);
                
                
                // 发送HTTP请求获取设备信息
                var response = await _dynamicHttpClient.GetAsync<ApiActionResult<DeviceInfoResponse>>(
                    instrumentNumber, 
                    "System/serial-number", 
                    options, 
                    cancellationToken);

                if (response == null)
                {
                    _logger.LogWarning("获取设备序列号失败：响应为空，端点：{EndpointName}", instrumentNumber);
                    return string.Empty;
                }

                if (!response.IsSuccess)
                {
                    _logger.LogWarning("获取设备序列号失败：请求未成功，端点：{EndpointName}，错误：{ErrorMessage}", 
                        instrumentNumber, response.Message ?? "未知错误");
                    return string.Empty;
                }

                var serialNumber = response.Data?.SerialNumber ?? string.Empty;
                _logger.LogInformation("成功获取设备序列号：{SerialNumber}，端点：{EndpointName}", 
                    serialNumber, instrumentNumber);
                
                return serialNumber;
            }
            catch (Exception ex)
            {
                _logger.LogError(ex, "获取设备序列号时发生异常，端点：{EndpointName}", instrumentNumber);
                return string.Empty;
            }
        }

        /// <summary>
        /// 启动网络连接
        /// </summary>
        /// <param name="instrumentNumber">设备编号</param>
        /// <param name="options">请求选项</param>
        /// <param name="cancellationToken">取消令牌</param>
        /// <returns>异步任务</returns>
        /// <exception cref="ArgumentException">当instrumentNumber为空或null时抛出</exception>
        public async Task<bool> StartNetworkAsync(
            CellularNetworkConfiguration cellular,
            RequestOptions? options = null, 
            CancellationToken cancellationToken = default)
        {
            string instrumentNumber = cellular.DeviceCode;
            if (string.IsNullOrWhiteSpace(instrumentNumber))
                throw new ArgumentException("设备编号不能为空", nameof(instrumentNumber));

            try
            {
                _logger.LogInformation("开始启动网络连接，设备编号：{InstrumentNumber}", instrumentNumber);
                var response = await _dynamicHttpClient.PostAsync<ApiActionResult<NetworkStatus>>(
                 instrumentNumber,
                 "CellularNetwork/generalStart",
                 cellular,
                 options,
                 cancellationToken);
                if (response == null)
                {
                    _logger.LogWarning("获取启动网络连接失败：响应为空，端点：{EndpointName}", instrumentNumber);
                    return false;
                }

                if (!response.IsSuccess)
                {
                    _logger.LogWarning("获取启动网络连接失败：请求未成功，端点：{EndpointName}，错误：{ErrorMessage}",
                        instrumentNumber, response.Message ?? "未知错误");
                    return false;
                }
                if (response.Data != NetworkStatus.Connected)
                {
                    _logger.LogWarning("获取启动网络连接：请求未成功，端点：{EndpointName}，错误：{ErrorMessage}",
                 instrumentNumber, response.Message ?? "未知错误");
                    return false;
                }
                _logger.LogInformation("网络连接启动完成，设备编号：{InstrumentNumber}", instrumentNumber);
                return true;
            }
            catch (Exception ex)
            {
                _logger.LogError(ex, "启动网络连接时发生异常，设备编号：{InstrumentNumber}", instrumentNumber);
                return false;
            }
        }

        /// <summary>
        /// 停止网络连接
        /// </summary>
        /// <param name="instrumentNumber">设备编号</param>
        /// <param name="options">请求选项</param>
        /// <param name="cancellationToken">取消令牌</param>
        /// <returns>异步任务</returns>
        /// <exception cref="ArgumentException">当instrumentNumber为空或null时抛出</exception>
        public async Task StopNetworkAsync(
            string instrumentNumber, 
            RequestOptions? options = null, 
            CancellationToken cancellationToken = default)
        {
            if (string.IsNullOrWhiteSpace(instrumentNumber))
                throw new ArgumentException("设备编号不能为空", nameof(instrumentNumber));

            try
            {
                _logger.LogInformation("开始停止网络连接，设备编号：{InstrumentNumber}", instrumentNumber);
                
                // TODO: 实现网络停止逻辑
                // 这里需要根据具体的协议实现来调用相应的API
                await Task.CompletedTask.ConfigureAwait(false);
                
                _logger.LogInformation("网络连接停止完成，设备编号：{InstrumentNumber}", instrumentNumber);
            }
            catch (Exception ex)
            {
                _logger.LogError(ex, "停止网络连接时发生异常，设备编号：{InstrumentNumber}", instrumentNumber);
                throw;
            }
        }
    }
}