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

namespace MES.Service.service.BasicData;

public class MesPositionManager : Repository<MesPosition>
{
    // 当前类已经继承了 Repository 增、删、查、改的方法

    // Save 方法用于保存单个岗位记录，根据类型执行不同的操作
    public bool Save(ErpPosition unit)
    {
        var entity = GetMesPosition(unit); // 将 ErpPosition 转换为 MesPosition
        return UseTransaction(db =>
        {
            switch (unit.Type)
            {
                case "0":
                    if (UpdatePositionStatus(db, entity.Id, "A")) // 启用岗位
                        return 1;
                    break;
                case "1":
                    if (UpdatePositionStatus(db, entity.Id, "B")) // 禁用岗位
                        return 1;
                    break;
                case "2":
                    if (InsertOrUpdatePosition(db, entity)) // 插入或更新岗位
                        return 1;
                    break;
                case "3":
                    if (DeletePosition(db, entity.Id)) // 删除岗位
                        return 1;
                    break;
                case "4":
                    if (InsertOrUpdatePosition(db, entity)) // 插入或更新岗位
                        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;
    }

    // 更新岗位状态的方法
    private bool UpdatePositionStatus(SqlSugarScope db, decimal positionId,
        string status)
    {
        var result = db.Updateable<MesPosition>()
            .SetColumns(s => s.Fforbidstatus == status)
            .Where(s => s.Id == positionId).ExecuteCommand();

        if (result > 0)
            return true;

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

    // 插入或更新岗位的方法
    private bool InsertOrUpdatePosition(SqlSugarScope db, MesPosition entity)
    {
        var exists = db.Queryable<MesPosition>().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;
    }

    // 删除岗位的方法
    private bool DeletePosition(SqlSugarScope db, decimal positionId)
    {
        var deleteById = db.Deleteable<MesPosition>().In(positionId)
            .ExecuteCommand();
        if (deleteById > 0)
            return true;

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

    // 将 ErpPosition 对象转换为 MesPosition 对象的方法
    private MesPosition GetMesPosition(ErpPosition position)
    {
        return new MesPosition
        {
            Id = Convert.ToDecimal(position.Id),
            PositionId = position.FNumber,
            PositionName = position.FName,
            PositionDescription = position.FDESCRIPTIONS,
            Department = position.FDept,
            Fforbidstatus = position.FForbidStatus,
            CreationDate = position.FCreateDate != null
                ? DateTime.ParseExact(position.FCreateDate,
                    "yyyy-MM-dd HH:mm:ss", null)
                : null,
            DisabledBy = position.FForbidderId,
            DisabledDate = position.FForbidDate != null
                ? DateTime.ParseExact(position.FForbidDate,
                    "yyyy-MM-dd HH:mm:ss", null)
                : null
        };
    }

    // SaveList 方法用于保存多个岗位记录，根据类型批量执行不同的操作
    public bool SaveList(List<ErpPosition> positions)
    {
        var list = new List<MesPosition>();
        positions.ForEach(s =>
        {
            var entity = GetMesPosition(s); // 将 ErpPosition 转换为 MesPosition
            entity.Type = s.Type;
            list.Add(entity);
        });

        var groupBy = list.GroupBy(s => s.Type)
            .ToDictionary(g => g.Key, g => g.ToList());
        return UseTransaction(db =>
        {
            foreach (var positionGroup in groupBy)
                switch (positionGroup.Key)
                {
                    case "0":
                        if (!UpdatePositionStatusBatch(db, positionGroup.Value,
                                "A")) // 批量启用岗位
                            throw new NotImplementedException("启用失败");
                        break;
                    case "1":
                        if (!UpdatePositionStatusBatch(db, positionGroup.Value,
                                "B")) // 批量禁用岗位
                            throw new NotImplementedException("禁用失败");
                        break;
                    case "2":
                        if (!InsertPositionBatch(db,
                                positionGroup.Value)) // 批量插入岗位
                            throw new NotImplementedException("插入失败");
                        break;
                    case "3":
                        if (!DeletePositionBatch(db,
                                positionGroup.Value)) // 批量删除岗位
                            throw new NotImplementedException("删除失败");
                        break;
                    case "4":
                        if (!InsertOrUpdatePositionBatch(db,
                                positionGroup.Value)) // 批量插入或更新岗位
                            throw new NotImplementedException("同步失败");
                        break;
                    default:
                        throw new ArgumentNullException(
                            $"type没有{positionGroup.Key}这个类型的参数");
                }

            return 1;
        }) > 0;
    }

    // 批量更新岗位状态的方法
    private bool UpdatePositionStatusBatch(SqlSugarScope db,
        List<MesPosition> positionList, string status)
    {
        var ids = positionList.Select(it => it.Id).ToArray();
        var result = db.Updateable<MesPosition>()
            .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");
    }

    // 批量插入岗位的方法
    private bool InsertPositionBatch(SqlSugarScope db,
        List<MesPosition> positionList)
    {
        var insertRange = db.Insertable(positionList).ExecuteCommand();
        if (insertRange > 0)
            return true;

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

    // 批量删除岗位的方法
    private bool DeletePositionBatch(SqlSugarScope db,
        List<MesPosition> positionList)
    {
        var ids = positionList.Select(it => it.Id).ToArray();
        var deleteByIds = db.Deleteable<MesPosition>().In(ids).ExecuteCommand();
        if (deleteByIds > 0)
            return true;

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

    // 批量插入或更新岗位的方法
    private bool InsertOrUpdatePositionBatch(SqlSugarScope db,
        List<MesPosition> positionList)
    {
        foreach (var entity in positionList)
            if (!InsertOrUpdatePosition(db, entity))
                return false;

        return true;
    }
}