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

namespace BLL
{
    /// <summary>
    /// 单位工程级检测结果导入行
    /// </summary>
    public class UnitWorkNDEImportItem
    {
        public int RowNumber { get; set; }

        public string TrustBatchId { get; set; }

        public string TrustBatchCode { get; set; }

        public string TrustBatchItemId { get; set; }

        public string PipelineCode { get; set; }

        public string WeldJointCode { get; set; }

        public string WelderCode { get; set; }

        public int TotalFilm { get; set; }

        public int PassFilm { get; set; }

        public string CheckResult { get; set; }

        public string CheckResultText { get; set; }

        public string JudgeGrade { get; set; }

        public string CheckDefects { get; set; }

        public string CheckDefectsText { get; set; }

        public string RepairLocation { get; set; }

        public string Remark { get; set; }

        public DateTime? FilmDate { get; set; }

        public DateTime? ReportDate { get; set; }
    }

    /// <summary>
    /// 单位工程级检测结果批量导入
    /// </summary>
    public static class Batch_NDEImportService
    {
        /// <summary>
        /// 一次性保存检测单主表、明细和委托检测状态
        /// </summary>
        public static void Import(string projectId, string unitWorkId, string personId, IList<UnitWorkNDEImportItem> importItems)
        {
            if (importItems == null || importItems.Count == 0)
            {
                throw new InvalidOperationException("没有可导入的数据！");
            }

            Model.SGGLDB db = Funs.DB;
            bool isValidUnitWork = db.WBS_UnitWork.Any(x => x.UnitWorkId == unitWorkId
                                                           && x.ProjectId == projectId
                                                           && x.SuperUnitWork == null);
            if (!isValidUnitWork)
            {
                throw new InvalidOperationException("单位工程不存在或不属于当前项目！");
            }

            List<string> trustBatchIds = importItems.Select(x => x.TrustBatchId).Distinct().ToList();
            List<string> trustBatchItemIds = importItems.Select(x => x.TrustBatchItemId).Distinct().ToList();

            List<Model.HJGL_Batch_BatchTrust> trusts = db.HJGL_Batch_BatchTrust
                .Where(x => trustBatchIds.Contains(x.TrustBatchId)
                            && x.ProjectId == projectId
                            && x.UnitWorkId == unitWorkId)
                .ToList();
            if (trusts.Count != trustBatchIds.Count)
            {
                throw new InvalidOperationException("导入数据包含不属于当前单位工程的委托单，请重新审核文件！");
            }

            if (trustBatchItemIds.Count != importItems.Count)
            {
                throw new InvalidOperationException("导入数据包含重复的委托明细，请重新审核文件！");
            }

            List<Model.HJGL_Batch_BatchTrustItem> trustItems = db.HJGL_Batch_BatchTrustItem
                .Where(x => trustBatchItemIds.Contains(x.TrustBatchItemId)
                            && trustBatchIds.Contains(x.TrustBatchId))
                .ToList();
            if (trustItems.Count != trustBatchItemIds.Count
                || importItems.Any(x => !trustItems.Any(y => y.TrustBatchItemId == x.TrustBatchItemId
                                                             && y.TrustBatchId == x.TrustBatchId)))
            {
                throw new InvalidOperationException("导入数据包含无效的委托明细，请重新审核文件！");
            }

            List<string> importedTrustBatchIds = db.HJGL_Batch_NDE
                .Where(x => trustBatchIds.Contains(x.TrustBatchId))
                .Select(x => x.TrustBatchId)
                .ToList();
            if (importedTrustBatchIds.Count > 0)
            {
                string codes = string.Join("、", importItems
                    .Where(x => importedTrustBatchIds.Contains(x.TrustBatchId))
                    .Select(x => x.TrustBatchCode)
                    .Distinct());
                throw new InvalidOperationException("委托单[" + codes + "]已存在检测结果，不能重复导入！");
            }

            List<Model.HJGL_Batch_NDE> ndeList = new List<Model.HJGL_Batch_NDE>();
            List<Model.HJGL_Batch_NDEItem> ndeItemList = new List<Model.HJGL_Batch_NDEItem>();
            DateTime submitDate = DateTime.Now;

            foreach (IGrouping<string, UnitWorkNDEImportItem> group in importItems.GroupBy(x => x.TrustBatchId))
            {
                Model.HJGL_Batch_BatchTrust trust = trusts.First(x => x.TrustBatchId == group.Key);
                string ndeId = SQLHelper.GetNewID(typeof(Model.HJGL_Batch_NDE));

                // 检测流水号沿用检测单编辑页的委托编号转换规则。
                string ndeCode = trust.TrustType == "R"
                    ? trust.TrustBatchCode.Replace("-FXWT-", "-FXJC-")
                    : trust.TrustBatchCode.Replace("-WT-", "-JC-");
                ndeList.Add(new Model.HJGL_Batch_NDE
                {
                    NDEID = ndeId,
                    TrustBatchId = trust.TrustBatchId,
                    ProjectId = projectId,
                    UnitId = trust.UnitId,
                    UnitWorkId = unitWorkId,
                    NDEUnit = trust.NDEUnit,
                    NDECode = ndeCode,
                    NDEMan = personId
                });

                foreach (UnitWorkNDEImportItem importItem in group)
                {
                    ndeItemList.Add(new Model.HJGL_Batch_NDEItem
                    {
                        NDEItemID = SQLHelper.GetNewID(typeof(Model.HJGL_Batch_NDEItem)),
                        NDEID = ndeId,
                        TrustBatchItemId = importItem.TrustBatchItemId,
                        DetectionTypeId = trust.DetectionTypeId,
                        TotalFilm = importItem.TotalFilm,
                        PassFilm = importItem.PassFilm,
                        CheckResult = importItem.CheckResult,
                        JudgeGrade = importItem.JudgeGrade,
                        CheckDefects = importItem.CheckDefects,
                        RepairLocation = importItem.RepairLocation,
                        Remark = importItem.Remark,
                        FilmDate = importItem.FilmDate,
                        ReportDate = importItem.ReportDate,
                        SubmitDate = submitDate
                    });
                }

                trust.IsCheck = true;
            }

            // 同一 DataContext 只提交一次，保证主表、明细和委托状态要么全部成功，要么全部失败。
            db.HJGL_Batch_NDE.InsertAllOnSubmit(ndeList);
            db.HJGL_Batch_NDEItem.InsertAllOnSubmit(ndeItemList);
            db.SubmitChanges();
        }
    }
}