using System;
using System.Collections.Generic;
using System.Linq;

namespace BLL
{
    /// <summary>
    /// 措施费用使用计划
    /// </summary>
    public static class ExpenseService
    {
        /// <summary>
        /// 根据主键获取措施费用使用计划
        /// </summary>
        /// <param name="expenseId"></param>
        /// <returns></returns>
        public static Model.CostGoods_Expense GetExpenseById(string expenseId)
        {
            return Funs.DB.CostGoods_Expense.FirstOrDefault(e => e.ExpenseId == expenseId);
        }

        /// <summary>
        /// 根据主键获取措施费用使用计划
        /// </summary>
        /// <param name="expenseId"></param>
        /// <returns></returns>
        public static List<Model.CostGoods_Expense> GetExpenseList(string projectId, string unitId, int? year)
        {
            var getData = from x in Funs.DB.CostGoods_Expense
                          where x.ProjectId == projectId
                          select x;
            if (!string.IsNullOrEmpty(unitId) && unitId != Const._Null)
            {
                getData = getData.Where(x => x.UnitId == unitId);
            }
            if (year.HasValue)
            {
                getData = getData.Where(x => x.Year == year);
            }

            return getData.OrderBy(x => x.SortIndex).ToList();
        }

        /// <summary>
        /// 根据时间获取当期单位Id集合
        /// </summary>
        /// <param name="startTime"></param>
        /// <param name="endTime"></param>
        /// <returns></returns>
        public static List<string> GetUnitIdsByTime(DateTime startTime, DateTime endTime, string projectId)
        {
            return (from x in Funs.DB.CostGoods_Expense
                    join y in Funs.DB.Sys_FlowOperate
                    on x.ExpenseId equals y.DataId
                    where x.States == BLL.Const.State_2 && x.ProjectId == projectId && y.State == BLL.Const.State_2 && y.OperaterTime >= startTime && y.OperaterTime < endTime
                    select x.UnitId).Distinct().ToList();
        }

        /// <summary>
        /// 添加措施费用使用计划
        /// </summary>
        /// <param name="expense"></param>
        public static void AddExpense(Model.CostGoods_Expense expense)
        {
            Model.SGGLDB db = Funs.DB;
            Model.CostGoods_Expense newExpense = new Model.CostGoods_Expense
            {
                ExpenseId = expense.ExpenseId,
                ProjectId = expense.ProjectId,
                ExpenseCode = expense.ExpenseCode,
                UnitId = expense.UnitId,
                ReportDate = expense.ReportDate,
                CreateDate = expense.CreateDate,
                States = expense.States,
                CompileMan = expense.CompileMan,
                CompileDate = expense.CompileDate,
                SortIndex = expense.SortIndex,
                Year = expense.Year,
            };
            db.CostGoods_Expense.InsertOnSubmit(newExpense);
            db.SubmitChanges();

        }

        /// <summary>
        /// 修改措施费用使用计划
        /// </summary>
        /// <param name="expense"></param>
        public static void UpdateExpense(Model.CostGoods_Expense expense)
        {
            Model.SGGLDB db = Funs.DB;
            Model.CostGoods_Expense newExpense = db.CostGoods_Expense.FirstOrDefault(e => e.ExpenseId == expense.ExpenseId);
            if (newExpense != null)
            {
                //newExpense.ProjectId = expense.ProjectId;
                newExpense.ExpenseCode = expense.ExpenseCode;
                newExpense.UnitId = expense.UnitId;
                newExpense.States = expense.States;
                newExpense.Months = expense.Months;
                newExpense.ReportDate = expense.ReportDate;
                newExpense.PlanCostA = expense.PlanCostA;
                newExpense.PlanCostB = expense.PlanCostB;
                newExpense.CompileDate = expense.CompileDate;
                newExpense.CompileMan = expense.CompileMan;
                //newExpense.CheckMan = expense.CheckMan;
                //newExpense.CheckDate = expense.CheckDate;
                //newExpense.ApproveMan = expense.ApproveMan;
                //  newExpense.ApproveDate = expense.ApproveDate;
                newExpense.SortIndex = expense.SortIndex;
                newExpense.Year = expense.Year;
                db.SubmitChanges();

            }
        }

        /// <summary>
        /// 根据主键删除措施费用使用计划
        /// </summary>
        /// <param name="expenseId"></param>
        public static void DeleteExpenseById(string expenseId)
        {
            Model.SGGLDB db = Funs.DB;
            Model.CostGoods_Expense expense = db.CostGoods_Expense.FirstOrDefault(e => e.ExpenseId == expenseId);
            if (expense != null)
            {
                BLL.CodeRecordsService.DeleteCodeRecordsByDataId(expenseId);
                BLL.CommonService.DeleteAttachFileById(expenseId);
                ////删除审核流程表
                BLL.CommonService.DeleteFlowOperateByID(expenseId);
                db.CostGoods_Expense.DeleteOnSubmit(expense);
                db.SubmitChanges();

                if (expense.Year.HasValue)
                {
                    SetSumYearExpense(expense.ProjectId, expense.Year.Value);
                }
            }
        }

        /// <summary>
        ///  当前合计数
        /// </summary>
        /// <param name="projectId"></param>
        /// <param name="Year"></param>
        public static void SetSumYearExpense(string projectId, int Year)
        {
            var getYearEx = Funs.DB.CostGoods_Expense.FirstOrDefault(x => x.ProjectId == projectId && x.Year == Year && x.UnitId == null);
            if (getYearEx != null)
            {
                Funs.DB.CostGoods_Expense.DeleteOnSubmit(getYearEx);
                Funs.DB.SubmitChanges();
            }

            var getALLEx = from x in Funs.DB.CostGoods_Expense where x.ProjectId == projectId && x.Year == Year && x.UnitId != null select x;
            if (getALLEx.Count() > 0)
            {
                Model.CostGoods_Expense newExpense = new Model.CostGoods_Expense
                {
                    ExpenseId = SQLHelper.GetNewID(),
                    ProjectId = projectId,
                    UnitId = null,
                    CreateDate = DateTime.Now,
                    Months = DateTime.Now,
                    ReportDate = DateTime.Now,
                    CompileDate = DateTime.Now,
                    CheckDate = DateTime.Now,
                    ApproveDate = DateTime.Now,
                    SortIndex = 0,
                    Year = Year,
                };

                var db1 = Funs.DB;
                db1.CostGoods_Expense.InsertOnSubmit(newExpense);
                db1.SubmitChanges();
            }
        }
    }
}