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using MES.Service.DB;
using MES.Service.Dto.webApi;
using MES.Service.Modes;
using SqlSugar;
 
namespace MES.Service.service.BasicData;
 
public class MesCustomerManager : Repository<MesCustomer>
{
    public bool Save(ErpCustomer customer)
    {
        var entity = GetSysDepartment(customer);
 
        return UseTransaction(db =>
        {
            switch (customer.Type)
            {
                case "0":
                    if (UpdateCustomerStatus(db, entity.Id, "A"))
                        return 1;
                    break;
                case "1":
                    if (UpdateCustomerStatus(db, entity.Id, "B"))
                        return 1;
                    break;
                case "3":
                    if (DeleteCustomer(db, entity.Id))
                        return 1;
                    break;
                case "2":
                case "4":
                    if (InsertOrUpdate(db, entity))
                        return 1;
                    break;
                default:
                    throw new ArgumentNullException(
                        $"type没有{customer.Type}这个类型的参数");
            }
 
            throw new NotImplementedException("操作失败");
        }) > 0;
    }
 
    public bool SaveList(List<ErpCustomer> customers)
    {
        if (customers == null || !customers.Any())
        {
            Console.WriteLine("警告: 传入的列表为空");
            return false;
        }
 
        // 逐条处理,全部成功才返回true(事务内批量处理更优,此处保持原有逻辑)
        var result = customers.Select(Save).ToList();
        return result.All(b => b);
    }
 
    private bool UpdateCustomerStatus(SqlSugarScope db, decimal customerId,
        string status)
    {
        var result = db.Updateable<MesCustomer>()
            .SetColumns(s => s.Fforbidstatus == status)
            .Where(s => s.Id == customerId).ExecuteCommand();
 
        if (result > 0)
            return true;
 
        throw new NotImplementedException(status == "A" ? "启用失败" : "禁用失败");
    }
 
    private bool InsertCustomer(SqlSugarScope db, MesCustomer entity)
    {
        var insert = db.Insertable(entity).ExecuteCommand();
        if (insert > 0)
            return true;
 
        throw new NotImplementedException("插入失败");
    }
 
    private bool DeleteCustomer(SqlSugarScope db, decimal customerId)
    {
        var deleteById = db.Deleteable<MesCustomer>()
            .Where(s => s.Id == customerId).ExecuteCommand();
        if (deleteById > 0)
            return true;
 
        throw new NotImplementedException("删除失败");
    }
 
    private MesCustomer GetSysDepartment(ErpCustomer customer)
    {
        //ERP傳輸的接口數據轉換為MES數據庫字段
        var fForbidStatus = customer.FForbidStatus;
        if (customer.FForbidStatus == "0")
        {
            fForbidStatus = "A";
        }
        else if (customer.FForbidStatus == "1")
        {
            fForbidStatus = "B";
        }
 
        var entity = new MesCustomer
        {
            CustNo = customer.FNumber,
            CustSname = customer.FShortName,
            CustName = customer.FName,
            Anred = customer.FTContact,
            Telf1 = customer.Fmobilephone,
            Fseller = customer.Fseller,
            Fforbidstatus = fForbidStatus,
            FSubsidiary = string.IsNullOrEmpty(customer.FUseOrgId)
                ? "1"
                : customer.FUseOrgId,
            Fumbrella = string.IsNullOrEmpty(customer.FCreateOrgId)
                ? "1"
                : customer.FCreateOrgId,
            CreateDate = DateTime.Now,
            LastupdateDate = DateTime.Now,
            Company = "1000",
            Factory = "1000",
            DataType = customer.FDocumentStatus,
            Type = customer.Type,
        };
 
        // 查找是否已存在相同客户编码的记录
        var existingCustomer = Db.Queryable<MesCustomer>()
            .Where(s => s.CustNo == entity.CustNo)
            .First();
 
        if (existingCustomer != null)
        {
            // 如果存在,使用现有的ID,后续将删除后重新插入
            entity.Id = existingCustomer.Id;
        }
        else
        {
            // 如果不存在,设为0,InsertOrUpdate方法将生成新ID
            entity.Id = 0;
        }
 
        return entity;
    }
 
    /// <summary>
    /// 生成新的ID,确保不重复
    /// </summary>
    private decimal GenerateNewId()
    {
        // 处理空表的情况,从1开始
        var maxId = Db.Queryable<MesCustomer>().Max(x => (decimal?)x.Id) ?? 0;
        var newId = maxId + 1;
        
        // 双重检查,确保生成的ID不存在
        while (Db.Queryable<MesCustomer>().Where(x => x.Id == newId).Any())
        {
            newId++;
        }
        
        return newId;
    }
 
    private bool UpdateCustomerStatusBatch(SqlSugarScope db,
        List<MesCustomer> customerList, string status)
    {
        var ids = customerList.Select(it => it.Id).ToArray();
        var result = db.Updateable<MesCustomer>()
            .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 InsertCustomerBatch(SqlSugarScope db,
        List<MesCustomer> customerList)
    {
        var insertRange = db.Insertable(customerList).ExecuteCommand();
        if (insertRange > 0)
            return true;
 
        throw new NotImplementedException("插入失败");
    }
 
    private bool DeleteCustomerBatch(SqlSugarScope db,
        List<MesCustomer> customerList)
    {
        var ids = customerList.Select(it => it.Id).ToArray();
        var deleteByIds = db.Deleteable<MesCustomer>()
            .Where(s => ids.Contains(s.Id)).ExecuteCommand();
        if (deleteByIds > 0)
            return true;
 
        throw new NotImplementedException("删除失败");
    }
 
    private bool InsertOrUpdate(SqlSugarScope db, MesCustomer entity)
    {
        if (entity.Id == 0)
        {
            // 新增情况:生成新ID并插入
            var newId = GenerateNewId();
            entity.Id = newId;
            return db.Insertable(entity).IgnoreColumns(ignoreNullColumn:true).ExecuteCommand() > 0;
        }
        else
        {
            // 更新情况:删除后重新插入,保持原有ID
            var originalId = entity.Id;
            
            // 先删除原记录(如果存在)
            db.Deleteable<MesCustomer>().Where(s => s.Id == originalId).ExecuteCommand();
            
            // 重新插入,保持原有ID
            entity.Id = originalId;
            return db.Insertable(entity).IgnoreColumns(ignoreNullColumn:true).ExecuteCommand() > 0;
        }
    }
 
    private bool InsertOrUpdateBatch(SqlSugarScope db,
        List<MesCustomer> customerList)
    {
        return customerList.All(entity => InsertOrUpdate(db, entity));
    }
}