using FrontendWebApi.Models;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Logging;
using Newtonsoft.Json;
using NPOI.SS.UserModel;
using NPOI.XSSF.UserModel;
using Repository.BackendRepository.Implement;
using Repository.BackendRepository.Interface;
using Repository.FrontendRepository.Interface;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Net.Http;
using System.Security.Policy;
using System.Text;
using System.Threading.Tasks;
using System.Xml.Linq;
using Ubiety.Dns.Core;

namespace FrontendWebApi.ApiControllers
{
    /// <summary>
    /// 告警紀錄
    /// </summary>
    public class WarningValueController : MyBaseApiController<WarningValueController>
    {
        private readonly IFrontendRepository frontendRepository;

        public WarningValueController
        (
            IFrontendRepository frontendRepository
        )
        {
            this.frontendRepository = frontendRepository;
        }

        /// <summary>
        /// 取得警戒值
        /// </summary>
        /// <param name="post"></param>
        /// <returns></returns>
        [HttpPost]
        [Route("api/WarningValue/GetWarningValue")]
        public async Task<ActionResult<ApiResult<List<WarningValueOutput>>>> GetWarningValue()
        {
            ApiResult<List<WarningValueOutput>> apiResult = new ApiResult<List<WarningValueOutput>>(jwt_str);
            if (!jwtlife)
            {
                apiResult.Code = "5000";
                return BadRequest(apiResult);
            }
            try
            {
                List<string> typeNames = Enum.GetNames(typeof(WarningValueType)).ToList();
                apiResult.Data = new List<WarningValueOutput>();
                var sqlString = $@"SELECT system_value FROM variable WHERE system_type = 'obixConfig' AND system_key = 'ApiBase' AND deleted = 0";
                string baseApiUrl = await frontendRepository.GetOneAsync<string>(sqlString);

                if (string.IsNullOrEmpty(baseApiUrl))
                {
                    apiResult.Code = "9998";
                    apiResult.Msg = "未找到 obixConfig baseAPI，請聯絡管理者。";
                    return BadRequest(apiResult);
                }

                foreach (var typeName in typeNames) {
                    WarningValueOutput result = new WarningValueOutput();
                    result.type = Enum.Parse<WarningValueType>(typeName);

                    sqlString = @$"SELECT system_value FROM variable WHERE system_type = 'warningValueApi' AND system_key = @type AND deleted = 0";
                    string apiUrl = await frontendRepository.GetOneAsync<string>(sqlString, new { type = $"get{typeName}" });

                    if (string.IsNullOrEmpty(apiUrl))
                    {
                        apiResult.Code = "9998";
                        apiResult.Msg = "未找到天氣警戒值 obix API，請聯絡管理者。";
                        return BadRequest(apiResult);
                    }

                    using (HttpClient client = new HttpClient())
                    {
                        apiUrl = Path.Combine(baseApiUrl, "obix/config/", apiUrl);
                        var sqlObix = $@"SELECT system_value as Value, system_key as Name FROM variable WHERE deleted = 0 AND system_type = 'obixConfig'";
                        var variableObix = frontendRepository.GetAllAsync<KeyValue>(sqlObix).Result;
                        string username = variableObix.Where(x => x.Name == "UserName").Select(x => x.Value).FirstOrDefault();
                        string password = variableObix.Where(x => x.Name == "Password").Select(x => x.Value).FirstOrDefault();
                        string encoded = Convert.ToBase64String(System.Text.Encoding.GetEncoding("ISO-8859-1").GetBytes(username + ":" + password));

                        client.DefaultRequestHeaders.Add("Authorization", "Basic " + encoded);

                        var response = await client.GetAsync(apiUrl);
                        var resString = (await response.Content.ReadAsStringAsync()).ToString();

                        XDocument xmlDoc = XDocument.Parse(resString);

                        if (xmlDoc?.Root?.Name?.LocalName == "str" || xmlDoc?.Root?.Name?.LocalName == "bool")
                        {
                            result.targetValue = xmlDoc.Root.Attribute("val").Value;
                           
                        }

                    }

                    apiResult.Data.Add(result);
                }

                apiResult.Msg = "讀取成功";
                apiResult.Code = "0000";
            }
            catch (Exception exception)
            {
                apiResult.Code = "9999";
                apiResult.Msg = "系統內部錯誤，請聯絡管理者。";
                Logger.LogError("【" + controllerName + "/" + actionName + "】" + exception.Message);
                return Ok(apiResult);
            }
            return Ok(apiResult);
        }

        /// <summary>
        /// 設定警戒值
        /// </summary>
        /// <param name="post"></param>
        /// <returns></returns>
        [HttpPost]
        [Route("api/WarningValue/SetWarningValue")]
        public async Task<ActionResult<ApiResult<string>>> SetWarningValue(List<WarningValueInput> wvs)
        {
            ApiResult<string> apiResult = new ApiResult<string>(jwt_str);
            if (!jwtlife)
            {
                apiResult.Code = "5000";
                return BadRequest(apiResult);
            }
            try
            {
                var sqlString = $@"SELECT system_value FROM variable WHERE system_type = 'obixConfig' AND system_key = 'ApiBase' AND deleted = 0";
                string baseApiUrl = await frontendRepository.GetOneAsync<string>(sqlString);

                if (string.IsNullOrEmpty(baseApiUrl))
                {
                    apiResult.Code = "9998";
                    apiResult.Msg = "未找到 obixConfig baseAPI，請聯絡管理者。";
                    return BadRequest(apiResult);
                }

                foreach (var wv in wvs) {
                    string typeName = wv.type.ToString();
                    sqlString = @$"SELECT system_value FROM variable WHERE system_type = 'warningValueApi' AND system_key = @type AND deleted = 0";
                    string apiUrl = await frontendRepository.GetOneAsync<string>(sqlString, new { type = $"set{typeName}" });
                    
                    if (string.IsNullOrEmpty(wv.targetValue)) {
                        apiResult.Code = "9998";
                        apiResult.Msg = "請輸入欲設定警戒值";
                        return BadRequest(apiResult);
                    }

                    if (string.IsNullOrEmpty(apiUrl))
                    {
                        apiResult.Code = "9998";
                        apiResult.Msg = "未找到天氣警戒值 obix API，請聯絡管理者。";
                        return BadRequest(apiResult);
                    }

                    using (HttpClient client = new HttpClient())
                    {
                        apiUrl = Path.Combine(baseApiUrl, "obix/config/", apiUrl);
                        var sqlObix = $@"SELECT system_value as Value, system_key as Name FROM variable WHERE deleted = 0 AND system_type = 'obixConfig'";
                        var variableObix = frontendRepository.GetAllAsync<KeyValue>(sqlObix).Result;
                        string username = variableObix.Where(x => x.Name == "UserName").Select(x => x.Value).FirstOrDefault();
                        string password = variableObix.Where(x => x.Name == "Password").Select(x => x.Value).FirstOrDefault();
                        string encoded = Convert.ToBase64String(System.Text.Encoding.GetEncoding("ISO-8859-1").GetBytes(username + ":" + password));

                        client.DefaultRequestHeaders.Add("Authorization", "Basic " + encoded);
                        // 建構 XML 數據
                        string xmlData = @$"<real val='{wv.targetValue}' />";
                        HttpContent content = new StringContent(xmlData, Encoding.UTF8, "application/xml");

                        var response = await client.PostAsync(apiUrl, content);
                        var resString = (await response.Content.ReadAsStringAsync()).ToString();


                        apiResult.Data = resString;
                    }

                }

                apiResult.Msg = "設定成功";
                apiResult.Code = "0000";
            }
            catch (Exception exception)
            {
                apiResult.Code = "9999";
                apiResult.Msg = "系統內部錯誤，請聯絡管理者。";
                Logger.LogError("【" + controllerName + "/" + actionName + "】" + exception.Message);
                return Ok(apiResult);
            }
            return Ok(apiResult);
        }
    }
}