using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Script.Services;
using System.Web.Services;
using WebLib;
using Newtonsoft.Json;

namespace Education.Services
{
    /// <summary>
    ///付款設定 的摘要描述
    /// </summary>
    [WebService(Namespace = "http://tempuri.org/")]
    [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
    [System.ComponentModel.ToolboxItem(false)]
    [System.Web.Script.Services.ScriptService]
    public class 付款設定 : ServiceBase
    {
        [WebMethod(EnableSession = true)]
        [ScriptMethod(ResponseFormat = ResponseFormat.Json, UseHttpGet = false)]
        public ServiceResponse SelectPage(string 人員類別, string 講師編號, int PageIndex, int PageSize)
        {
            try
            {
                var startRowIndex = (PageIndex - 1) * PageSize;
                using (var conn = DAC.NewConnection())
                {
                    var dao = new DAC_付款設定(conn);

                    // 根據講師編號查詢
                    var list = dao.SelectPageBy講師_非講師編號(startRowIndex, PageSize, 講師編號);
                    var count = dao.SelectCountBy講師_非講師編號(講師編號);
                    
                    return new ServiceResponse()
                    {
                        Success = true,
                        Data = list,
                        TotalCount = count,
                        Message = ""
                    };
                }
            }
            catch (Exception ex)
            {
                return new ServiceResponse()
                {
                    Success = false,
                    Message = ex.Message
                };
            }
        }

        private bool IsValid(付款設定Item item, out string message)
        {
            var messages = new List<string>();
            var valid = true;
            
            if (item.生效日期.Ticks == 0)
            {
                messages.Add("請填寫生效日期");
                valid = false;
            }

            if (string.IsNullOrEmpty(item.憑證類別))
            {
                messages.Add("請選擇憑證類別");
                valid = false;
            }

            if (string.IsNullOrEmpty(item.扣繳類別))
            {
                messages.Add("請選擇扣繳類別");
                valid = false;
            }

            message = string.Join("<br/>", messages.ToArray());
            return valid;
        }


        [WebMethod(EnableSession = true)]
        [ScriptMethod(ResponseFormat = ResponseFormat.Json, UseHttpGet = false)]
        public ServiceResponse Save(string itemStr, bool isNew)
        {
            try
            {
                付款設定Item item = JsonConvert.DeserializeObject<付款設定Item>(itemStr);
                if (!IsValid(item, out string message))
                {
                    return new ServiceResponse(false, message);
                }

                using (var conn = DAC.NewConnection())
                {
                    var dao = new DAC_付款設定(conn);
                    
                    if (isNew)
                    {
                        var result = dao.InsertOne(item);
                        return new ServiceResponse();
                    }
                    else
                    {
                        var result = dao.UpdateOne(item);
                        return new ServiceResponse();
                    }
                }
            }
            catch (Exception ex)
            {
                return new ServiceResponse(false, ex.Message);
            }
        }

        [WebMethod(EnableSession = true)]
        [ScriptMethod(ResponseFormat = ResponseFormat.Json, UseHttpGet = false)]
        public ServiceResponse Delete(int 編號, int DB_APPNO)
        {
            try
            {
                using (var conn = DAC.NewConnection())
                {
                    var dao = new DAC_付款設定(conn);
                    var rowsAffected = dao.DeleteOne(編號, DB_APPNO);
                    
                    if (rowsAffected > 0)
                        return new ServiceResponse(true, "刪除成功");
                    else
                        return new ServiceResponse(false, "刪除失敗");
                }
            }
            catch (Exception ex)
            {
                return new ServiceResponse(false, ex.Message);
            }
        }
    }
}