package Stock

import (
	"ERP_storage/models/Basic"
	"errors"
	"fmt"
	"git.baozhida.cn/ERP_libs/lib"
	orm2 "github.com/beego/beego/v2/client/orm"
	"strconv"
	"sync"
	"time"

	"ERP_storage/logs"
	_ "github.com/astaxie/beego/cache/redis"
	"github.com/beego/beego/v2/adapter/orm"
	_ "github.com/go-sql-driver/mysql"
)

// 库存
type Stock struct {
	Id              int       `orm:"column(ID);size(11);auto;pk"`
	T_depot_id      int       `orm:"size(20);null"`                                         // 仓库id
	T_product_id    int       `orm:"size(20);null"`                                         // 产品id
	T_product_class int       `orm:"size(20);null"`                                         // 产品分类
	T_product_name  string    `orm:"size(256);null"`                                        // 产品名称
	T_product_model string    `orm:"size(256);null"`                                        // 产品型号
	T_total         int       `orm:"size(20);null"`                                         // 库存数量
	T_reality       int       `orm:"size(20);null"`                                         // 盘点数量
	T_sort          int       `orm:"size(20);null"`                                         // 排序
	CreateTime      time.Time `orm:"column(create_time);type(timestamp);null;auto_now_add"` //auto_now_add 第一次保存时才设置时间
	UpdateTime      time.Time `orm:"column(update_time);type(timestamp);null;auto_now"`     //auto_now 每次 model 保存时都会对时间自动更新
}

func (t *Stock) TableName() string {
	return "stock" // 数据库名称   // ************** 替换 FormulaList **************
}

type StockDaoImpl struct {
	orm orm.Ormer
}

func NewStock(orm orm.Ormer) *StockDaoImpl {
	return &StockDaoImpl{orm: orm}
}

var Stock_list *sync.Map

func init() {
	//注册模型
	orm.RegisterModel(new(Stock))
	Stock_list = new(sync.Map)
}

type Stock_R struct {
	Id         int
	T_depot_id int // 仓库id
	T_total    int // 库存数量
	T_reality  int // 实际库存数量
	T_sort     int // 排序

	// ---------产品信息-----------
	T_product_id          int
	T_product_name        string
	T_product_class       int
	T_product_class_name  string
	T_product_model       string
	T_product_spec        string
	T_product_relation_sn int
	T_product_img         string
}

func StockToStock_R(t Stock) (r Stock_R) {
	r.Id = t.Id
	r.T_depot_id = t.T_depot_id
	r.T_total = t.T_total
	r.T_reality = t.T_reality
	r.T_sort = t.T_sort

	r.T_product_id = t.T_product_id
	r.T_product_class = t.T_product_class
	product, _ := Basic.Read_Product_ById(t.T_product_id)
	r.T_product_name = product.T_name
	r.T_product_class_name = Basic.Read_ProductClass_Get(product.T_class)
	r.T_product_model = product.T_model
	r.T_product_spec = product.T_spec
	r.T_product_relation_sn = product.T_relation_sn
	r.T_product_img = product.T_img
	return r
}

// 添加
func (dao *StockDaoImpl) Add_Stock(r Stock) (id int64, err error) {
	id, err = dao.orm.Insert(&r)
	if err != nil {
		logs.Error(lib.FuncName(), err)
	}
	return id, err
}

// T_type 1-出库 2-入库
func (dao *StockDaoImpl) AddOrUpdate_Stock(T_depot_id, T_product_id, T_product_class int, T_product_name, T_product_model string, T_num, T_type int) (id int64, err error) {

	qs := dao.orm.QueryTable(new(Stock))
	var stock Stock
	err = qs.Filter("T_depot_id", T_depot_id).Filter("T_product_id", T_product_id).One(&stock)
	if err != nil {
		if err.Error() == orm.ErrNoRows.Error() {
			r := Stock{
				T_depot_id:      T_depot_id,
				T_product_id:    T_product_id,
				T_product_name:  T_product_name,
				T_product_class: T_product_class,
				T_product_model: T_product_model,
				T_total:         T_num,
				T_reality:       T_num,
			}
			id, err = dao.orm.Insert(&r)
			if err != nil {
				err = errors.New("添加库存失败")
				logs.Error(lib.FuncName(), err)
			}
			return
		} else {
			err = errors.New("查询库存失败")

			logs.Error(lib.FuncName(), err)
			return
		}
	}
	// T_type 1-出库 2-入库
	if T_type == 1 {
		stock.T_total -= T_num
		stock.T_reality -= T_num
	}
	if stock.T_total < 0 {
		err = errors.New(fmt.Sprintf("%s%s库存不足", T_product_name, T_product_model))
		logs.Error(lib.FuncName(), err.Error())
		return
	}

	if T_type == 2 {
		stock.T_total += T_num
		stock.T_reality += T_num
	}

	_, err = dao.orm.Update(&stock, "T_total", "T_reality")
	if err != nil {
		err = errors.New(fmt.Sprintf("修改库存失败", T_product_name, T_product_model))
		logs.Error(lib.FuncName(), err)
		return
	}

	return
}

// 获取 ById
func (dao *StockDaoImpl) Read_Stock_ByT_depot_id_T_product_id(T_depot_id, T_product_id int) (r Stock, err error) {
	qs := dao.orm.QueryTable(new(Stock))
	err = qs.Filter("T_depot_id", T_depot_id).Filter("T_product_id", T_product_id).One(&r)
	if err != nil {
		logs.Error(lib.FuncName(), err)
	}
	return
}

// 同步库存产品信息
func (dao *StockDaoImpl) Read_Stock_List_ByT_product_id(T_product_id int) (r []Stock, err error) {
	qs := dao.orm.QueryTable(new(Stock))
	_, err = qs.Filter("T_product_id", T_product_id).All(&r)
	if err != nil {
		logs.Error(lib.FuncName(), err)
	}
	return
}

// 获取 ById
func (dao *StockDaoImpl) Read_Stock_ById(Id int) (r Stock, err error) {
	o := orm.NewOrm()
	qs := o.QueryTable(new(Stock))
	err = qs.Filter("Id", Id).One(&r)
	if err != nil {
		logs.Error(lib.FuncName(), err)
	}
	return
}

// 修改
func (dao *StockDaoImpl) Update_Stock(m Stock, cols ...string) error {
	_, err := dao.orm.Update(&m, cols...)
	if err != nil {
		logs.Error(lib.FuncName(), err)
		return err
	}
	return nil
}

// 获取列表
func (dao *StockDaoImpl) Read_Stock_List(T_depot_id, T_product_class int, T_product_name, T_product_model string, page, page_z int) (r_ []Stock_R, cnt int64) {
	qs := dao.orm.QueryTable(new(Stock))
	var offset int64
	if page <= 1 {
		offset = 0
	} else {
		offset = int64((page - 1) * page_z)
	}

	// 过滤
	cond := orm.NewCondition()

	if T_depot_id > 0 {
		cond = cond.And("T_depot_id", T_depot_id)
	}

	if T_product_class > 0 {
		cond = cond.And("T_product_class", T_product_class)
	}

	if len(T_product_name) > 0 {
		cond = cond.And("T_product_name__icontains", T_product_name)
	}

	if len(T_product_model) > 0 {
		cond = cond.And("T_product_model__icontains", T_product_model)
	}

	// 查询
	var r []Stock
	var err error
	if page_z == 9999 {
		_, err = qs.SetCond((*orm2.Condition)(cond)).OrderBy("T_sort").All(&r)
	} else {
		_, err = qs.Limit(page_z, offset).SetCond((*orm2.Condition)(cond)).OrderBy("T_sort").All(&r)
	}

	if err != nil {
		logs.Error(lib.FuncName(), err)
		return
	}

	cnt, err = qs.SetCond((*orm2.Condition)(cond)).Count()
	if err != nil {
		logs.Error(lib.FuncName(), err)
		return
	}

	for _, v := range r {
		r_ = append(r_, StockToStock_R(v))
	}

	return r_, cnt
}

// 获取仓库的货物总数量
func (dao *StockDaoImpl) Read_Stock_Count_ByT_depot_id(T_depot_id int) (cnt int64) {

	sql := "SELECT SUM(t_total) FROM stock WHERE t_depot_id = " + strconv.Itoa(T_depot_id)

	var pl_lists orm2.ParamsList
	_, err := dao.orm.Raw(sql).ValuesFlat(&pl_lists)
	if err != nil {
		logs.Error(lib.FuncName(), err)
		return
	}
	if pl_lists[0] == nil {
		return 0
	}
	key, _ := strconv.ParseInt(pl_lists[0].(string), 10, 64)
	return key

}

// 获取全部
func Read_Stock_All_Map(T_depot_id int) {
	o := orm.NewOrm()
	var r []Stock
	qs := o.QueryTable(new(Stock))
	_, err := qs.Filter("T_depot_id", T_depot_id).All(&r)
	if err != nil {
		logs.Error(lib.FuncName(), err)
	}

	for _, v := range r {
		key := fmt.Sprintf("%d-%d", v.T_depot_id, v.T_product_id)
		Stock_list.Store(key, v.T_reality)
	}

}
func Read_Stock_Get(T_depot_id, T_product_id int) int {
	// 有先加入 给全部人发消息
	key := fmt.Sprintf("%d-%d", T_depot_id, T_product_id)

	v, ok := Stock_list.Load(key) /*如果确定是真实的,则存在,否则不存在 */
	if ok {
		return v.(int)
	} else {
		return 0
	}
}