using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Runtime.Serialization.Json;
using System.Web.SessionState;
using Dapper;
using Dapper.Contrib.Extensions;
using System.Data.SqlClient;
using System.IO.Compression;

namespace abbott_2024_event.BackEnd.api
{
    /// <summary>
    /// userList 的摘要描述
    /// </summary>
    public class userList : IHttpHandler
    {
        SqlConnection conn = new SqlConnection(globalClass.appsettings("DBConnectionString"));
        public authToken authToken;
        public void ProcessRequest(HttpContext context)
        {
            result objRet = new result();
            DataContractJsonSerializer json = new DataContractJsonSerializer(objRet.GetType());
            context.Response.ContentType = "application/json;charset=utf-8";
            context.Response.AddHeader("Access-Control-Allow-Origin", "*");

            string acceptEncoding = context.Request.Headers["Accept-Encoding"].ToString().ToUpperInvariant();
            if (!String.IsNullOrEmpty(acceptEncoding))
            {
                if (acceptEncoding.Contains("GZIP"))
                {
                    //输出流头部GZIP压缩
                    context.Response.AppendHeader("Content-encoding", "gzip");
                    context.Response.Filter = new GZipStream(context.Response.Filter, CompressionMode.Compress);
                }
                else if (acceptEncoding.Contains("DEFLATE"))
                {
                    //输出流头部DEFLATE压缩
                    context.Response.AppendHeader("Content-encoding", "deflate");
                    context.Response.Filter = new DeflateStream(context.Response.Filter, CompressionMode.Compress);
                }
            }

            authToken objAuth = new authToken();

            if (!objAuth.user_isLogin)
            {
                objRet.ret = "no";
                objRet.err_code = "0001";
                objRet.message = "尚未登入，請登入後使用";
                json.WriteObject(context.Response.OutputStream, objRet);
                return;
            }

            string start = (context.Request["start"] == null) ? "" : context.Request["start"].ToString();
            string end = (context.Request["end"] == null) ? "" : context.Request["end"].ToString();
            string gender = (context.Request["gender"] == null) ? "" : context.Request["gender"].ToString();
            string min_age = (context.Request["min_age"] == null) ? "" : context.Request["min_age"].ToString();
            string max_age = (context.Request["max_age"] == null) ? "" : context.Request["max_age"].ToString();

            DateTime dateStart;
            DateTime dateEnd;

            try {
                dateStart = DateTime.Parse(start);
                dateEnd = DateTime.Parse(end + " 23:59:59");
            } 
            catch {
                objRet.ret = "no";
                objRet.err_code = "0008";
                objRet.message = "測驗記錄起訖日期有誤!";
                json.WriteObject(context.Response.OutputStream, objRet);
                return;
            }

            if (gender != "%" && gender != "M" && gender != "F") {
                objRet.ret = "no";
                objRet.err_code = "0009";
                objRet.message = "性別代碼錯誤!";
                json.WriteObject(context.Response.OutputStream, objRet);
                return;
            }

            string filiterString = "";

            filiterString += " Where babyData_bindedLine = 'Y' and babyRec_newestRec = 'Y' and babyRec_recdate >= '" + dateStart.ToString("yyyy/MM/dd") + "' and babyRec_recdate <= '" + dateEnd.ToString("yyyy/MM/dd HH:mm:ss") + "' ";

            if (gender != "%") {
                filiterString += " and babyData_sexual = '" + gender + "' ";
            }

            filiterString += " and babyRec_months >= " + (int.Parse(min_age) * 12).ToString() + " and babyRec_months <= " + (int.Parse(max_age) * 12).ToString();

            List<babyDataRecView> babyDataRecViews = conn.Query<babyDataRecView>("select distinct line_uid, line_displayname from babyDataRecView " + filiterString + " ").ToList();

            foreach (babyDataRecView view in babyDataRecViews) { 
                userData userData = new userData();
                userData.line_uid = view.line_uid;
                userData.line_displayName = view.line_displayName;

                List<babyDataRecView> subViews = conn.Query<babyDataRecView>("select * from babyDataRecView " + filiterString + " and line_uid = @line_uid ", new { line_uid = view.line_uid }).ToList();

                foreach (babyDataRecView subView in subViews) {
                    babyData babyData = new babyData();
                    babyData.baby_name = subView.babyData_name;
                    babyData.baby_gender = subView.babyData_sexual;
                    babyData.baby_birthday = subView.babyData_birthday.ToString("yyyy/MM/dd");
                    babyData.baby_age = subView.babyRec_yearMonthStr;
                    babyData.baby_months = subView.babyRec_months.ToString();
                    babyData.baby_height = subView.babyRec_height.ToString();
                    babyData.baby_testdate = subView.babyRec_recdate.ToString("yyyy/MM/dd");
                    babyData.baby_percent = subView.babyRec_inpercent;

                    userData.testdate = subView.babyRec_recdate.ToString("yyyy/MM/dd");

                    userData.babyDatas.Add(babyData);

                }

                objRet.datas.Add(userData);


            }

            objRet.ret = "yes";

            json.WriteObject(context.Response.OutputStream, objRet);
            return;

        }
        public class result
        {
            public string ret = "no";
            public string err_code = "0000";
            public string message = "";
            public List<userData> datas = new List<userData>();
        }

        public class userData
        {
            public string line_uid { get; set; } = "";
            public string line_displayName { get; set; } = "";
            public string testdate { get; set; } = "";

            public List<babyData> babyDatas = new List<babyData>();
        }

        public class babyData {
            public string baby_name { get; set; } = "";
            public string baby_gender { get; set; } = "";
            public string baby_birthday { get; set; } = "";
            public string baby_age { get; set; } = "";
            public string baby_months { get; set; } = "";
            public string baby_testdate { get; set; } = "";

            public string baby_height { get; set; } = "";
            public double baby_percent { get; set; } = 0;
        }

        public bool IsReusable
        {
            get
            {
                return false;
            }
        }
    }
}