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

namespace MES.Service.service.BasicData;

public class MesStaffManager : Repository<MesStaff>
{
    // Save 方法用于保存单个员工记录，根据类型执行不同的操作
    public bool Save(ErpStaff unit)
    {
        var entity = GetMesStaff(unit); // 将 ErpStaff 转换为 MesStaff

        return UseTransaction(db =>
        {
            switch (unit.Type)
            {
                case "0":
                    if (UpdateStaffStatus(db, entity.Id, "A")) // 启用员工
                        return 1;
                    break;
                case "1":
                    if (UpdateStaffStatus(db, entity.Id, "B")) // 禁用员工
                        return 1;
                    break;
                case "2":
                case "4":
                    if (InsertOrUpdateStaff(db, entity)) // 插入或更新员工
                        return 1;
                    break;
                case "3":
                    if (UpdateStaffStatus(db, entity.Id, "B")) // 禁用员工
                        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;
    }

    // 更新员工状态的方法
    private bool UpdateStaffStatus(SqlSugarScope db, decimal staffId,
        string status)
    {
        var result = db.Updateable<MesStaff>().SetColumns(s => s.FforbidStatus == status).Where(s => s.Id == staffId).ExecuteCommand();
        return true;
    }

    // 插入或更新员工的方法
    private bool InsertOrUpdateStaff(SqlSugarScope db, MesStaff entity)
    {
        var exists = db.Queryable<MesStaff>().Any(e => e.Id == entity.Id);
        if (exists)
        {
            var update = db.Updateable(entity).ExecuteCommand();
            return true;
        }
        else
        {
            var insert = db.Insertable(entity).ExecuteCommand();
            if (insert > 0)
            {
                return true;
            }
            else
            {
                return false;
            }
        }
    }

    // 将 ErpStaff 对象转换为 MesStaff 对象的方法
    private MesStaff GetMesStaff(ErpStaff staff)
    {
        var entity = new MesStaff
        {
            Id = Convert.ToDecimal(staff.Id),
            StaffNo = staff.FStaffNumber,
            StaffName = staff.FName,
            DepartmentNo = staff.FPostDept,
            PositionCode = staff.FPost,
            PhoneNumber = staff.FMobile,
            CreateOrg = Convert.ToDecimal(staff.FCreateOrgId),
            UseOrg = Convert.ToDecimal(staff.FUseOrgId),
            CreateDate = DateTime.Now,
            Remark = staff.FDescription,
            FforbidStatus = staff.FForbidStatus
        };

        if (staff.FStaffStartDate != null)
            entity.StartDate = DateTime.ParseExact(staff.FStaffStartDate,
                "yyyy-MM-dd HH:mm:ss", null);

        return entity;
    }

    // SaveList 方法用于保存多个员工记录，根据类型批量执行不同的操作
    public bool SaveList(List<ErpStaff> staffs)
    {
        var list = staffs.Select(GetMesStaff).ToList();
        var groupBy = list.GroupBy(s => s.Type).ToDictionary(g => g.Key, g => g.ToList());
        return UseTransaction(db =>
        {
            foreach (var staffGroup in groupBy)
                switch (staffGroup.Key)
                {
                    case "0":
                        if (!UpdateStaffStatusBatch(db, staffGroup.Value,
                                "A")) // 批量启用员工
                            throw new NotImplementedException("启用失败");
                        break;
                    case "1":
                        if (!UpdateStaffStatusBatch(db, staffGroup.Value,
                                "B")) // 批量禁用员工
                            throw new NotImplementedException("禁用失败");
                        break;
                    case "2":
                        if (!InsertStaffBatch(db, staffGroup.Value)) // 批量插入员工
                            throw new NotImplementedException("插入失败");
                        break;
                    case "3":
                        if (!UpdateStaffStatusBatch(db, staffGroup.Value, "B")) // 批量禁用员工
                            throw new NotImplementedException("删除失败");
                        break;
                    case "4":
                        if (!InsertOrUpdateBatch(db,
                                staffGroup.Value)) // 批量插入或更新员工
                            throw new NotImplementedException("同步失败");
                        break;
                    default:
                        throw new ArgumentNullException(
                            $"type没有{staffGroup.Key}这个类型的参数");
                }

            return 1;
        }) > 0;
    }

    // 批量更新员工状态的方法
    private bool UpdateStaffStatusBatch(SqlSugarScope db,
        List<MesStaff> staffList, string status)
    {
        var ids = staffList.Select(it => it.Id).ToArray();
        var result = db.Updateable<MesStaff>().SetColumns(s => s.FforbidStatus == status).Where(s => ids.Contains(s.Id)).ExecuteCommand();
        return true;
        
    }

    // 批量插入员工的方法
    private bool InsertStaffBatch(SqlSugarScope db, List<MesStaff> staffList)
    {
        foreach (var entity in staffList)
        {
            if (!InsertOrUpdateStaff(db, entity))
            {
                return false;
            }
        }
        return true;
    }

    // 批量插入或更新员工的方法
    private bool InsertOrUpdateBatch(SqlSugarScope db, List<MesStaff> staffList)
    {
        foreach (var entity in staffList)
        {
            if (!InsertOrUpdateStaff(db, entity))
            {
                return false;
            }
        }
        return true;
    }
}