using System;
using System.Collections.Generic;
using System.Net.Http;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using Model.Model;
using Newtonsoft.Json;

namespace DeviceCommand.Base
{

    public class EnovaDataReporter : IEnovaDataReporter
    {
        private readonly HttpClient _httpClient;

        // 显式实现/自动属性，方便外部随时更新配置
        public string TargetUrl { get; set; } = "http://127.0.0.1:8080/api/channel/state";
        public int TimeoutMilliseconds { get; set; } = 5000;

        /// <summary>
        /// 构造函数注入 HttpClient（符合 Prism 依赖注入规范）
        /// </summary>
        public EnovaDataReporter(HttpClient httpClient)
        {
            // 如果容器没有注入，则给个默认的单例/实例防空
            _httpClient = httpClient ?? new HttpClient();
        }

        public async Task<EnovaReportResponse> ReportChannelStateAsync(List<EnovaChannelReportData> dataList, CancellationToken ct = default)
        {
            if (dataList == null || dataList.Count == 0)
            {
                return new EnovaReportResponse { Success = false, ErrorInfo = "上报数据集合为空" };
            }

            if (string.IsNullOrWhiteSpace(TargetUrl))
            {
                return new EnovaReportResponse { Success = false, ErrorInfo = "目标上报 URL 未配置" };
            }

            try
            {
                // 1. 序列化为标准 JSON 字符串
                string jsonPayload = JsonConvert.SerializeObject(dataList);
                var content = new StringContent(jsonPayload, Encoding.UTF8, "application/json");

                // 2. 绑定联动超时控制
                using var cts = CancellationTokenSource.CreateLinkedTokenSource(ct);
                if (TimeoutMilliseconds > 0)
                {
                    cts.CancelAfter(TimeoutMilliseconds);
                }

                HttpResponseMessage response = await _httpClient.PostAsync(TargetUrl, content, cts.Token);

                // 4. 解析返回值
                if (response.IsSuccessStatusCode)
                {
                    string responseContent = await response.Content.ReadAsStringAsync();
                    var result = JsonConvert.DeserializeObject<EnovaReportResponse>(responseContent);
                    return result ?? new EnovaReportResponse { Success = true }; // 防止对方返回空Body [cite: 261]
                }
                else
                {
                    return new EnovaReportResponse
                    {
                        Success = false,
                        ErrorInfo = $"服务器响应错误代码: {(int)response.StatusCode} {response.ReasonPhrase}"
                    };
                }
            }
            catch (Exception ex)
            {
                // 完美承接你上位机原有的异常日志记录器逻辑
                // Logger.LoggerHelper.ErrorWithNotify($"Enova3 数据上传失败: {ex.Message}");
                return new EnovaReportResponse { Success = false, ErrorInfo = $"网络异常: {ex.Message}" };
            }
        }
    }
}