using System;
using System.Linq;
using System.Web.Mvc;
using DSWeb.MvcShipping.DAL.MsChDui;
using DSWeb.MvcShipping.Models.MsChDui;
using DSWeb.MvcShipping.Models.MsChDuiView;
using DSWeb.MvcShipping.Helper;
using DSWeb.MvcShipping.Comm.Cookie;
using DSWeb.Areas.CommMng.DAL;
using System.Collections.Generic;
using HcUtility.Comm;
using HcUtility.Core;
using DSWeb.MvcShipping.DAL.MsSysBillNoSet;
using DSWeb.Areas.MvcShipping.DB;
using DSWeb.Areas.MvcShipping.Models.MsOpRule;
using System.IO;

namespace DSWeb.MvcShipping.Controllers
{
    [JsonRequestBehavior]
    public class MsOpRuleController : Controller
    {
        private RuleContext ruleContext = new RuleContext();

        [HttpGet]
        public ActionResult RuleList()
        {
            if (Session["SHOWNAME"] == null)
            {
                return Content("登录超时");
            }

            ViewData["Fields"] = ruleContext.EnumValues.Where(e => e.EnumTypeID == 91001).Select(e => e.EnumValueName).ToList();

            return View();
        }

        //分页规则列表
        [HttpPost]
        public JsonResult RuleListData(int offset, int limit)
        {
            OpRuleListViewModelList rtnList = new OpRuleListViewModelList();
            var count = ruleContext.Rules.Count();
            var list = ruleContext.Rules.OrderBy(x => x.SortOrder).Skip(offset).Take(limit).ToList();
            rtnList.Total = count;
            rtnList.List = list.AsListViewModelList();
            return Json(rtnList);
        }

        //可用规则列表
        [HttpPost]
        public JsonResult RuleListEnable()
        {
            List<OpRuleCheckListViewModel> listRtn = new List<OpRuleCheckListViewModel>();
            var list = ruleContext.Rules.Where(r => r.Enable).OrderBy(ri => ri.SortOrder).ToList();
            foreach (var rule in list)
            {
                var ruleVM = rule.AsCheckListViewModel();
                listRtn.Add(ruleVM);

                ruleVM.Items = ruleContext.RuleItems.Where(ri => ri.RuleId == rule.GID).OrderBy(ri => ri.SortOrder).ToList().AsCheckListViewModelList();
            }

            return Json(listRtn);
        }

        //保存规则
        [HttpPost]
        //public JsonResult SaveRule(OpRuleEditViewModel viewModel)
        public JsonResult SaveRule()
        {
            var sr = new StreamReader(Request.InputStream);
            var stream = sr.ReadToEnd();
            OpRuleEditViewModel viewModel = Newtonsoft.Json.JsonConvert.DeserializeObject<OpRuleEditViewModel>(stream);

            OpRule rule = null;
            if (!string.IsNullOrWhiteSpace(viewModel.GID))
            {
                rule = ruleContext.Rules.FirstOrDefault(r => r.GID == viewModel.GID);
            }

            if (rule == null)
            {
                var findRule = ruleContext.Rules.FirstOrDefault(r => r.Code == viewModel.Code);
                if (findRule != null)
                {
                    return Json(new { Success = false, Message = "编号已存在" });
                }

                rule = new OpRule();
                viewModel.AsModel(rule);

                rule.GID = Guid.NewGuid().ToString();
                rule.CreateTime = DateTime.Now;
                rule.CreateUser = Session["SHOWNAME"].ToString();
                rule.Enable = true;
                rule.EnableDisableTime = DateTime.Now;

                int ruleOrder = 1;
                if (ruleContext.Rules.Count() > 0)
                {
                    ruleOrder = ruleContext.Rules.Max(r => r.SortOrder) + 1;
                }

                rule.SortOrder = ruleOrder;
                ruleContext.Rules.Add(rule);

                var items = viewModel.Items.AsModelList();
                int order = 1;
                items.ForEach(i =>
                {
                    i.GID = Guid.NewGuid().ToString();
                    i.RuleId = rule.GID;
                    i.SortOrder = order++;

                });
                ruleContext.RuleItems.AddRange(items);
            }
            else
            {
                var findRule = ruleContext.Rules.FirstOrDefault(r => r.Code == viewModel.Code && r.GID != viewModel.GID);
                if (findRule != null)
                {
                    return Json(new { Success = false, Message = "编号已存在" });
                }

                bool enableChanged = rule.Enable != viewModel.Enable;

                viewModel.AsModel(rule);
                rule.ModifyTime = DateTime.Now;
                rule.ModifyUser = Session["SHOWNAME"].ToString();
                if (enableChanged)
                {
                    rule.EnableDisableTime = DateTime.Now;
                }

                var items = ruleContext.RuleItems.Where(r => r.RuleId == rule.GID).ToList();
                ruleContext.RuleItems.RemoveRange(items);

                items = viewModel.Items.AsModelList();
                int order = 1;
                items.ForEach(i =>
                {
                    i.GID = Guid.NewGuid().ToString();
                    i.RuleId = rule.GID;
                    i.SortOrder = order++;
                });
                ruleContext.RuleItems.AddRange(items);
            }


            ruleContext.SaveChanges();

            return Json(new { Success = true, Message = "保存成功" });
        }

        //获取单条规则
        [HttpPost]
        public JsonResult GetRule(string gid)
        {
            var rule = ruleContext.Rules.FirstOrDefault(r => r.GID == gid);
            if (rule != null)
            {
                var viewModel = rule.AsEditViewModel();
                viewModel.Items = ruleContext.RuleItems.Where(ri => ri.RuleId == rule.GID).AsEditViewModelList();
                return Json(viewModel);
            }
            return null;
        }

        //删除规则
        [HttpPost]
        public JsonResult DeleteRules(string strIds)
        {
            string[] arrId = strIds.Split(",".ToCharArray(), StringSplitOptions.RemoveEmptyEntries);
            var rules = ruleContext.Rules.Where(r => arrId.Contains(r.GID)).ToList();
            var items = ruleContext.RuleItems.Where(r => arrId.Contains(r.RuleId)).ToList();
            ruleContext.Rules.RemoveRange(rules);
            ruleContext.RuleItems.RemoveRange(items);
            ruleContext.SaveChanges();
            return Json(new { Success = true, Message = "操作成功" });
        }


        //生效/失效规则
        [HttpPost]
        public JsonResult EnableDisableRules(string strIds, bool enable = true)
        {
            string[] arrId = strIds.Split(",".ToCharArray(), StringSplitOptions.RemoveEmptyEntries);
            var rules = ruleContext.Rules.Where(r => arrId.Contains(r.GID)).ToList();
            rules.ForEach(r =>
            {
                if (r.Enable != enable)
                {
                    r.Enable = enable;
                    r.EnableDisableTime = DateTime.Now;
                }
            });
            ruleContext.SaveChanges();
            return Json(new { Success = true, Message = "操作成功" });
        }
    }
}