package dao

import (
	"assets/consts/public"
	dto "assets/model/dto/asset"
	entity "assets/model/entity/asset"
	"context"

	"gitea.redpowerfuture.com/red-future/common/db/mongo"
	"github.com/gogf/gf/v2/frame/g"
	"github.com/gogf/gf/v2/util/gconv"
	"go.mongodb.org/mongo-driver/v2/bson"
)

var PrivateSku = new(privateSku)

type privateSku struct{}

// Insert 插入私域SKU
func (d *privateSku) Insert(ctx context.Context, req *dto.CreatePrivateSkuReq) (ids []interface{}, err error) {
	var result *entity.PrivateSku
	if err = gconv.Struct(req, &result); err != nil {
		return
	}
	ids, err = mongo.DB().Insert(ctx, []interface{}{&result}, public.PrivateSkuCollection)
	return
}

// BatchInsert 批量插入私域SKU
func (d *privateSku) BatchInsert(ctx context.Context, req *dto.BatchCreatePrivateSkuReq) (ids []interface{}, err error) {
	items := make([]*entity.PrivateSku, 0, len(req.Skus))
	for _, item := range req.Skus {
		var result *entity.PrivateSku
		if err = gconv.Struct(item, &result); err != nil {
			return
		}
		items = append(items, result)
	}
	interfaces := make([]interface{}, len(items))
	for i, item := range items {
		interfaces[i] = item
	}
	ids, err = mongo.DB().Insert(ctx, interfaces, public.PrivateSkuCollection)
	return
}

// GetOne 获取单个私域SKU
func (d *privateSku) GetOne(ctx context.Context, id *bson.ObjectID) (sku *entity.PrivateSku, err error) {
	filter := bson.M{"_id": id}
	err = mongo.DB().FindOne(ctx, filter, &sku, public.PrivateSkuCollection)
	return
}

// Update 更新私域SKU
func (d *privateSku) Update(ctx context.Context, req *dto.UpdatePrivateSkuReq) (err error) {
	buildUpdateData, err := mongo.BuildUpdateData(ctx, req)
	if err != nil {
		return
	}
	filter := bson.M{"_id": req.ID}
	update := bson.M{"$set": buildUpdateData}
	_, err = mongo.DB().Update(ctx, filter, update, public.PrivateSkuCollection)
	return
}

// UpdateStock 更新库存
func (d *privateSku) UpdateStock(ctx context.Context, id *bson.ObjectID, stockChange int) (err error) {
	filter := bson.M{"_id": id}
	update := bson.M{"$inc": bson.M{"stock": stockChange}}
	_, err = mongo.DB().Update(ctx, filter, update, public.PrivateSkuCollection)
	return
}

// DeleteFake 删除私域SKU-根据id进行假删
func (d *privateSku) DeleteFake(ctx context.Context, id *bson.ObjectID) (err error) {
	filter := bson.M{"_id": id}
	_, err = mongo.DB().DeleteSoft(ctx, filter, public.PrivateSkuCollection)
	return
}

// List 获取私域SKU列表
func (d *privateSku) List(ctx context.Context, req *dto.ListPrivateSkuReq) (res []*entity.PrivateSku, total int64, err error) {
	filter, err := d.buildListFilter(ctx, req)
	if err != nil {
		return
	}
	total, err = mongo.DB().Find(ctx, filter, &res, public.PrivateSkuCollection, nil, nil)
	return
}

// ListByCategoryPath 根据分类路径获取SKU列表
func (d *privateSku) ListByCategoryPath(ctx context.Context, categoryPath string) (res []*entity.PrivateSku, err error) {
	filter := bson.M{"privateCategoryPath": bson.M{"$regex": "^" + categoryPath, "$options": "i"}}
	_, err = mongo.DB().Find(ctx, filter, &res, public.PrivateSkuCollection, nil, nil)
	return
}

// buildListFilter 构建列表查询的过滤条件
func (d *privateSku) buildListFilter(ctx context.Context, req *dto.ListPrivateSkuReq) (filter bson.M, err error) {
	_ = ctx
	filter = bson.M{}

	if !g.IsEmpty(req.SkuName) {
		filter["skuName"] = bson.M{"$regex": req.SkuName, "$options": "i"}
	}
	if !g.IsEmpty(req.PrivateCategoryPath) {
		filter["privateCategoryPath"] = bson.M{"$regex": "^" + req.PrivateCategoryPath, "$options": "i"}
	}
	if req.MinPrice > 0 {
		filter["price"] = bson.M{"$gte": req.MinPrice}
	}
	if req.MaxPrice > 0 {
		if filter["price"] == nil {
			filter["price"] = bson.M{}
		}
		filter["price"].(bson.M)["$lte"] = req.MaxPrice
	}
	return
}