package dto

import (
	"git.baozhida.cn/ERP_libs/lib"
	"sort"
)

// 入库产品mingxi

type StockProduct struct {
	T_product_id  int
	T_num         int
	T_relation_sn []string
}

type StockProductRelationSn struct {
	T_product_id         int
	T_delete_relation_sn []string
	T_add_relation_sn    []string
}

// 比较两个StockProduct列表是否相等
func StockProductListsEqual(a, b []StockProduct) (isEqual bool, needDelete, needAdd, needEdit map[int]StockProduct, snDiff map[int]StockProductRelationSn) {
	needDelete = make(map[int]StockProduct)
	needAdd = make(map[int]StockProduct)
	needEdit = make(map[int]StockProduct)
	snDiff = make(map[int]StockProductRelationSn)
	isEqual = false
	// 原始数据
	aMap := make(map[int]StockProduct)
	aProductList := []int{}
	for _, item := range a {
		sort.Strings(item.T_relation_sn)
		aMap[item.T_product_id] = item
		aProductList = append(aProductList, item.T_product_id)
	}
	// 修改提交的数据
	bMap := make(map[int]StockProduct)
	bProductList := []int{}
	for _, item := range b {
		sort.Strings(item.T_relation_sn)
		bMap[item.T_product_id] = item
		bProductList = append(bProductList, item.T_product_id)
	}

	// 查询需要删除的产品 和需要添加的产品
	_, commonIds, needDeleteIds, needAddIds := lib.IntListCompare(aProductList, bProductList)

	for _, product_id := range commonIds {
		equal, _, T_delete_relation_sn, T_add_relation_sn := lib.StringListCompare(aMap[product_id].T_relation_sn, bMap[product_id].T_relation_sn)
		snDiff[product_id] = StockProductRelationSn{
			T_product_id:         product_id,
			T_delete_relation_sn: T_delete_relation_sn,
			T_add_relation_sn:    T_add_relation_sn,
		}
		if bMap[product_id].T_num != aMap[product_id].T_num && len(bMap[product_id].T_relation_sn) == 0 {
			needEdit[product_id] = bMap[product_id]
		}

		if !equal {
			isEqual = false
		}
	}

	if len(needDelete) == 0 && len(needAdd) == 0 && len(needEdit) == 0 && isEqual {
		isEqual = true
	}
	for _, id := range needDeleteIds {
		needDelete[id] = aMap[id]
	}
	for _, id := range needAddIds {
		needAdd[id] = bMap[id]
	}

	return isEqual, needDelete, needAdd, needEdit, snDiff
}