using Newtonsoft.Json;
using SqlSugar; 
using System.Net; 
using System.Text; 
using System.Configuration;
using System.Collections;
using System.Threading.Tasks;
using RainOpsMini.Models;

namespace RainOpsMini.Helpers
{
    public class SteamHelper
    {

        /// <summary>
        /// 获取个人首页html代码
        /// </summary>
        /// <returns></returns>
        public static string GetSteamHtml(string steamid)
        {
            try
            {
                string url = "https://steamcommunity.com/profiles/" + steamid + "/";
                string strHTML = "";
                // Use HttpClient instead of WebClient for modern async support if needed, but keeping sync for compatibility
                using (WebClient myWebClient = new WebClient())
                {
                    myWebClient.Encoding = Encoding.UTF8;
                    strHTML = myWebClient.DownloadString(url);
                }
                return strHTML;
            }
            catch (Exception)
            {
                return "";
            }

        }

        private static readonly HttpClient _httpClient = new HttpClient { Timeout = TimeSpan.FromSeconds(10) };
        private static string SteamApiKey => Environment.GetEnvironmentVariable("STEAM_API_KEY") ?? System.Configuration.ConfigurationManager.AppSettings["SteamApiKey"] ?? string.Empty;

        /// <summary>
        /// 异步获取Squad总游戏时长(分钟)
        /// 使用 GetOwnedGames 接口以获取准确的总时长
        /// </summary>
        public static async Task<int> GetSquadPlaytimeAsync(string steamid)
        {
            if (string.IsNullOrEmpty(steamid)) return 0;

            try
            {
                if (string.IsNullOrWhiteSpace(SteamApiKey)) return 0;

                string url = $"http://api.steampowered.com/IPlayerService/GetOwnedGames/v1/?key={SteamApiKey}&steamid={steamid}&format=json&appids_filter[0]=393380";
                
                var response = await _httpClient.GetAsync(url);
                if (!response.IsSuccessStatusCode) return 0;

                var json = await response.Content.ReadAsStringAsync();
                
                // Simple parsing to avoid dependency on complex models if not needed
                // Or use dynamic/JsonDocument
                using (var doc = System.Text.Json.JsonDocument.Parse(json))
                {
                    if (doc.RootElement.TryGetProperty("response", out var resp) && 
                        resp.TryGetProperty("games", out var games) && 
                        games.GetArrayLength() > 0)
                    {
                        // Get play_time_forever (minutes)
                        return games[0].GetProperty("playtime_forever").GetInt32();
                    }
                }
                
                return 0;
            }
            catch (Exception ex)
            {
                Console.WriteLine($"[SteamHelper] Error fetching playtime for {steamid}: {ex.Message}");
                return 0;
            }
        }

        /// <summary>
        /// 获取Squad运行时长(小时) - Deprecated, kept for compatibility
        /// </summary>
        /// <param name="steamid"></param>
        /// <returns></returns>
        public static int GetSquadRunTime(string steamid)
        {

            try
            {
                string token = SteamApiKey;
                if (string.IsNullOrWhiteSpace(token)) return 0;


                string getinfo = GetHttpResponse("http://api.steampowered.com/IPlayerService/GetRecentlyPlayedGames/v1/?key=" + token + "&steamid=" + steamid, 8000);

                Recently<Games> Recently = JsonConvert.DeserializeObject<Recently<Games>>(getinfo);

                if (Recently.response == null)
                {
                    return 0;
                }
                if (Recently.response.games == null)
                {
                    return 0;
                }


                List<GamesItem> SquadGameItem = Recently.response.games.Where(c => c.appid == 393380).ToList();

                if (SquadGameItem != null && SquadGameItem.Count > 0)
                {

                    return SquadGameItem[0].playtime_forever / 60;

                }
                else
                {
                    return 0;
                }
            }
            catch (Exception e)
            {
               Console.WriteLine("Squad时长查询失败：" + steamid + e.Message);
                return 0;
            }


        } 
        /// <summary>
        /// GET请求
        /// </summary>
        /// <param name="url"></param>
        /// <param name="Timeout"></param>
        /// <returns></returns>
        public static string GetHttpResponse(string url, int Timeout)
        {
            HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
            request.Method = "GET";
            request.ContentType = "text/html;charset=UTF-8";
            request.UserAgent = null;
            request.Timeout = Timeout;

            HttpWebResponse response = (HttpWebResponse)request.GetResponse();
            Stream myResponseStream = response.GetResponseStream();
            StreamReader myStreamReader = new StreamReader(myResponseStream, Encoding.GetEncoding("utf-8"));
            string retString = myStreamReader.ReadToEnd();
            myStreamReader.Close();
            myResponseStream.Close();

            return retString;
        }


    }
}