using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Net.Http;
using System.Net.Http.Headers;
using System.Text;

namespace CallCenter.Utility
{
    public  class FeiShuiHelper
    {
        static  string app_id = Configs.GetValue("FeiShui_AppId");
        static  string app_secret = Configs.GetValue("FeiShui_AppSecret");
        //获取tenant_access_token
        private static string GetTenantAccessToken()
        {
            string result = string.Empty;
            var param = new
            {
                app_id = app_id,
                app_secret = app_secret,
               
            };
            var strresult = HttpMethods.HttpPost("https://open.feishu.cn/open-apis/auth/v3/tenant_access_token/internal", param.ToJson(),"application/json; charset=utf-8");
            if (!string.IsNullOrEmpty(strresult))
            {
                var resultobj = strresult.ToJObject();
                if (resultobj["code"].ToString() != "0")
                {
                    LogFactory.GetLogger("tenant_access_token").Error(strresult);
                    result = resultobj["msg"].ToString();
                }
                else
                {
                    result = resultobj["tenant_access_token"].ToString();
                }
            }
            return result;
        }
        //获取user_access_token
        private static string GetUserAccessToken(string code)
        {
            string result = string.Empty;
            var param = new
            {
                grant_type = "authorization_code",
                client_id = app_id,
                client_secret=app_secret,
                code= code

            };
            var strresult = HttpMethods.HttpPost("https://open.feishu.cn/open-apis/authen/v2/oauth/token", param.ToJson(), "application/json; charset=utf-8");
            if (!string.IsNullOrEmpty(strresult))
            {
                var resultobj = strresult.ToJObject();
                if (resultobj["code"].ToString() != "0")
                {
                    LogFactory.GetLogger("error").Error(strresult);
                    result = resultobj["error"].ToString();
                }
                else
                {
                    result = resultobj["access_token"].ToString();
                }
            }
            return result;
        }
        //通过手机号获取用户id
        private static string GetUserid(string mobile)
        {
            string result = string.Empty;

            //Dictionary<string, object> param = new Dictionary<string, object>();
            //param.Add("mobiles", new string[] { mobile });
            //param.Add("include_resigned", true);
            
            var postData = new { mobiles = new string[] { mobile }, include_resigned = true };
            var strresult = SendPostRequest
         ("https://open.feishu.cn/open-apis/contact/v3/users/batch_get_id?user_id_type=user_id", postData);
            if (!string.IsNullOrEmpty(strresult))
            {
                generalResult<userslist> resultobj = JsonConvert.
                    DeserializeObject<generalResult<userslist>>(strresult);
                if (resultobj.code != "0")
                {
                    LogFactory.GetLogger("GetUserid").Error(resultobj.msg);
                    result = resultobj.msg;
                }
                else
                {
                   if (resultobj.data!=null&& resultobj.data.user_list.Count>0)
                    result = resultobj.data.user_list[0].user_id;
                }
            }
            return result;
        }
        //发送消息
        public static string SendMsg(string mobile,string msg)
        {
            string userid = GetUserid(mobile);
            if (string.IsNullOrEmpty(mobile))
                return "";
            Guid guid = Guid.NewGuid();
            string uuid = guid.ToString();
            string result = string.Empty;
            //Dictionary<string, object> param = new Dictionary<string, object>();
            //param.Add("receive_id", userid);
            //param.Add("msg_type", "text");
            //param.Add( "content", "{\"text\":\"" + msg + "\"}");
            //param.Add("uuid", uuid);

            var postData = new { receive_id = userid, msg_type = "post",
                content = "{\"zh_cn\":{\"title\":\""+ msg + "\",\"content\":[[{\"tag\":\"text\",\"text\":\"地址 :\"},{\"tag\":\"a\",\"href\":\"http://www.feishu.cn\",\"text\":\"超链接\"}]]}}",
                uuid = uuid,
            };
            var strresult = SendPostRequest
         ("https://open.feishu.cn/open-apis/im/v1/messages?receive_id_type=user_id", postData);
            if (!string.IsNullOrEmpty(strresult))
            {
                var resultobj = strresult.ToJObject();
                if (resultobj["code"].ToString() != "0")
                {
                    LogFactory.GetLogger("SendMsg").Error(strresult);
                    result = resultobj["msg"].ToString();
                }
                else
                {
                    result =  resultobj.ToJson() ;
                }
            }
            return result;
        }

        //获取单个用户
        public static string GetUser(string code)
        {
            string token = GetUserAccessToken(code);
           
            Guid guid = Guid.NewGuid();
            string uuid = guid.ToString();
            string result = string.Empty;
            var strresult = SendGetRequest("https://open.feishu.cn/open-apis/authen/v1/user_info",token);
            if (!string.IsNullOrEmpty(strresult))
            {
                generalResult<user> resultobj = JsonConvert.DeserializeObject<generalResult<user>>(strresult);
                if (resultobj.code != "0")
                {
                    LogFactory.GetLogger("GetUser").Error(resultobj.msg);
                    result = resultobj.msg;
                }
                else
                {
                    if (resultobj.data != null )
                        result = resultobj.data.mobile;
                }
            }
            return result;
        }
        public static string SendGetRequest(string url, string authToken)
        {
            // 创建请求对象
            HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
            request.Method = "GET";
            request.ContentType = "application/json; charset=utf-8"; // 设置 Content-Type
            request.Headers.Add("Authorization", $"Bearer {authToken}");

            // 如果需要忽略 SSL 证书验证（仅测试环境使用）
            // ServicePointManager.ServerCertificateValidationCallback += 
            //     (sender, certificate, chain, sslPolicyErrors) => true;

            try
            {
                // 获取响应
                using (HttpWebResponse response = (HttpWebResponse)request.GetResponse())
                using (StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.UTF8))
                {
                    return reader.ReadToEnd();
                }
            }
            catch (WebException ex)
            {
                // 处理错误响应
                if (ex.Response is HttpWebResponse errorResponse)
                {
                    using (Stream errorStream = errorResponse.GetResponseStream())
                    using (StreamReader reader = new StreamReader(errorStream, Encoding.UTF8))
                    {
                        string errorContent = reader.ReadToEnd();
                        throw new Exception($"HTTP Error {(int)errorResponse.StatusCode}: {errorContent}");
                    }
                }
                throw;
            }
        }
    
    public static string HttpGet(string url, string token)
        {
            ServicePointManager.Expect100Continue = true;
            ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12 | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls;
            ServicePointManager.ServerCertificateValidationCallback = (sender, certificate, chain, errors) => true;
            HttpClient client = new HttpClient();
            client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json; charset=utf-8"));
            client.DefaultRequestHeaders.Authorization = new
                AuthenticationHeaderValue
                ("Bearer", token);
            var result = client.GetAsync(url).Result.Content.ReadAsStringAsync().Result;

            return result;
        }
        public static string SendPostRequest(string url, object data)
        {
            string authToken = GetTenantAccessToken();
            // 创建请求对象
            HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
            request.Method = "POST";
            request.ContentType = "application/json; charset=utf-8";

            // 添加 Authorization 头
            request.Headers.Add("Authorization", $"Bearer {authToken}");

            // 如果需要忽略 SSL 证书验证（仅测试环境使用）
            // ServicePointManager.ServerCertificateValidationCallback += 
            //     (sender, certificate, chain, sslPolicyErrors) => true;

            try
            {
                // 序列化数据为 JSON
                string json = JsonConvert.SerializeObject(data);
                byte[] postData = Encoding.UTF8.GetBytes(json);

                // 写入请求体
                request.ContentLength = postData.Length;
                using (Stream stream = request.GetRequestStream())
                {
                    stream.Write(postData, 0, postData.Length);
                }

                // 获取响应
                using (HttpWebResponse response = (HttpWebResponse)request.GetResponse())
                using (StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.UTF8))
                {
                    return reader.ReadToEnd();
                }
            }
            catch (WebException ex)
            {
                // 处理错误响应
                if (ex.Response is HttpWebResponse errorResponse)
                {
                    using (Stream errorStream = errorResponse.GetResponseStream())
                    using (StreamReader reader = new StreamReader(errorStream, Encoding.UTF8))
                    {
                        string errorContent = reader.ReadToEnd();
                        throw new Exception($"HTTP Error {(int)errorResponse.StatusCode}: {errorContent}");
                    }
                }
                throw;
            }
        }
    
    public static string HttpPost(string url, Dictionary<string, object> dic)
        {
            string result = ""; string token = GetTenantAccessToken();
            try
            {
                // 创建 HttpWebRequest 对象
                HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
                // 设置请求方法为 POST
                request.Method = "POST";
                // 设置 Content-Type
                request.ContentType = "application/json; charset=utf-8";
                // 设置 Authorization 头部
                request.Headers.Add("Authorization", token);
                var d = JsonConvert.SerializeObject(dic);
                // 将请求体数据转换为字节数组
                byte[] requestBodyBytes = Encoding.UTF8.GetBytes(d);
                // 设置请求体的长度
                request.ContentLength = requestBodyBytes.Length;

                // 获取请求流
                using (Stream requestStream = request.GetRequestStream())
                {
                    // 将请求体数据写入请求流
                    requestStream.Write(requestBodyBytes, 0, requestBodyBytes.Length);
                }

                // 发送请求并获取响应
                using (HttpWebResponse response = (HttpWebResponse)request.GetResponse())
                {
                    // 检查响应状态码
                    if (response.StatusCode == HttpStatusCode.OK)
                    {
                        // 获取响应流
                        using (Stream responseStream = response.GetResponseStream())
                        {
                            if (responseStream != null)
                            {
                                // 创建 StreamReader 用于读取响应流
                                using (StreamReader reader = new StreamReader(responseStream, Encoding.UTF8))
                                {
                                    // 读取响应内容
                                    string responseBody = reader.ReadToEnd();
                                    Console.WriteLine("请求成功，响应内容：");
                                    return responseBody;
                                }
                            }
                        }
                    }
                    else
                    {
                        return $"请求失败，状态码：{response.StatusCode}";
                    }
                }
            }
            catch (WebException ex)
            {
                if (ex.Status == WebExceptionStatus.ProtocolError)
                {
                    HttpWebResponse errorResponse = (HttpWebResponse)ex.Response;
                    return $"请求失败，状态码：{errorResponse.StatusCode}";
                }
                else
                {
                    return $"发生网络异常：{ex.Message}";
                    
                }
            }
            catch (Exception ex)
            {
                return $"发生异常：{ex.Message}";
            }

            return result;
        }
        private class generalResult<T> where T : class
        {
            public string code { get; set; }
            public string msg { get; set; }
            public T data { get; set; }
        }
        private class userlist
        {
            public string user_id { get; set; }
        }
        private class userslist
        {
            public List<userlist> user_list { get; set; }
        }
        private class user
        {
            public string mobile { get; set; }
        }
        
    }
}