using MES.Service.DB;
using MES.Service.Dto.webApi;
using MES.Service.Modes;
using SqlSugar;

namespace MES.Service.service.BasicData;

public class MesUnitManager : Repository<MesUnit>
{
    public bool Save(ErpUnit unit)
    {
        var entity = GetMesUnit(unit);

        return UseTransaction(db =>
        {
            switch (unit.Type)
            {
                case "0":
                    if (UpdateUnitStatus(db, entity.Id, "A"))
                        return 1;
                    break;
                case "1":
                    if (UpdateUnitStatus(db, entity.Id, "B"))
                        return 1;
                    break;
                case "2":
                    if (InsertUnit(db, entity))
                        return 1;
                    break;
                case "3":
                    if (DeleteUnit(db, entity.Id))
                        return 1;
                    break;
                case "4":
                    if (InsertOrUpdate(db, entity))
                        return 1;
                    break;
                default:
                    throw new ArgumentNullException(
                        $"type没有{unit.Type}这个类型的参数");
            }

            throw new NotImplementedException("操作失败");
        }) > 0;
    }

    public bool SaveList(List<ErpUnit> units)
    {
        var list = units.Select(GetMesUnit).ToList();
        var groupBy = list.GroupBy(s => s.Type)
            .ToDictionary(g => g.Key, g => g.ToList());

        return UseTransaction(db =>
        {
            foreach (var unitGroup in groupBy)
                switch (unitGroup.Key)
                {
                    case "0":
                        if (!UpdateUnitStatusBatch(db, unitGroup.Value, "A"))
                            throw new NotImplementedException("启用失败");
                        break;
                    case "1":
                        if (!UpdateUnitStatusBatch(db, unitGroup.Value, "B"))
                            throw new NotImplementedException("禁用失败");
                        break;
                    case "2":
                        if (!InsertUnitBatch(db, unitGroup.Value))
                            throw new NotImplementedException("插入失败");
                        break;
                    case "3":
                        if (!DeleteUnitBatch(db, unitGroup.Value))
                            throw new NotImplementedException("删除失败");
                        break;
                    case "4":
                        if (!InsertOrUpdateBatch(db, unitGroup.Value))
                            throw new NotImplementedException("同步失败");
                        break;
                    default:
                        throw new ArgumentNullException(
                            $"type没有{unitGroup.Key}这个类型的参数");
                }

            return 1;
        }) > 0;
    }

    private bool UpdateUnitStatus(SqlSugarScope db, decimal unitId,
        string status)
    {
        var result = db.Updateable<MesUnit>()
            .SetColumns(s => s.Fforbidstatus == status)
            .Where(s => s.Id == unitId).ExecuteCommand();

        if (result > 0)
            return true;

        throw new NotImplementedException(status == "A" ? "启用失败" : "禁用失败");
    }

    private bool InsertUnit(SqlSugarScope db, MesUnit entity)
    {
        var insert = db.Insertable(entity).ExecuteCommand();
        if (insert > 0)
            return true;

        throw new NotImplementedException("插入失败");
    }

    private bool DeleteUnit(SqlSugarScope db, decimal unitId)
    {
        var deleteById = db.Deleteable<MesUnit>().In(unitId).ExecuteCommand();
        if (deleteById > 0)
            return true;

        throw new NotImplementedException("删除失败");
    }

    private MesUnit GetMesUnit(ErpUnit unit)
    {
        return new MesUnit
        {
            Id = Convert.ToDecimal(unit.Id),
            Fnumber = unit.FNumber,
            Fname = unit.FName,
            Funitgroupid = unit.FUnitGroupId,
            Fconvertdenominator = unit.FConvertDenominator,
            Fcurrentunitid = unit.FCurrentUnitId,
            Fconvertnumerator = unit.FConvertNumerator,
            Fbaseunit = unit.FBaseUnit,
            Froundtype = unit.FRoundType,
            Fprecision = unit.FPrecision,
            Fdescription = unit.FDescription,
            Fforbidstatus = unit.FForbidStatus,
            Company = "1000",
            Factory = "1000"
        };
    }

    private bool UpdateUnitStatusBatch(SqlSugarScope db, List<MesUnit> unitList,
        string status)
    {
        var ids = unitList.Select(it => it.Id).ToArray();
        var result = db.Updateable<MesUnit>()
            .SetColumns(s => s.Fforbidstatus == status)
            .Where(s => ids.Contains(s.Id)).ExecuteCommand();

        if (result > 0)
            return true;

        throw new NotImplementedException(status == "A" ? "启用失败" : "禁用失败");
    }

    private bool InsertUnitBatch(SqlSugarScope db, List<MesUnit> unitList)
    {
        var insertRange = db.Insertable(unitList).ExecuteCommand();
        if (insertRange > 0)
            return true;

        throw new NotImplementedException("插入失败");
    }

    private bool DeleteUnitBatch(SqlSugarScope db, List<MesUnit> unitList)
    {
        var ids = unitList.Select(it => it.Id).ToArray();
        var deleteByIds = db.Deleteable<MesUnit>().In(ids).ExecuteCommand();
        return deleteByIds > 0;
    }

    private bool InsertOrUpdate(SqlSugarScope db, MesUnit entity)
    {
        var exists = db.Queryable<MesUnit>().Any(e => e.Id == entity.Id);
        if (exists)
        {
            var update = db.Updateable(entity).ExecuteCommand();
            if (update > 0)
                return true;
        }
        else
        {
            var insert = db.Insertable(entity).ExecuteCommand();
            if (insert > 0)
                return true;
        }

        return false;
    }

    private bool InsertOrUpdateBatch(SqlSugarScope db, List<MesUnit> unitList)
    {
        foreach (var entity in unitList)
            if (!InsertOrUpdate(db, entity))
                return false;

        return true;
    }
}