package dao

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

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

var AssetSku = new(assetSku)

type assetSku struct {
}

// Insert 插入SKU
func (d *assetSku) Insert(ctx context.Context, req *dto.CreateAssetSkuReq) (ids []any, err error) {
	var result *entity.AssetSku
	if err = utils.Struct(req, &result); err != nil {
		return
	}
	ids, err = mongo.DB().Insert(ctx, []interface{}{&result}, public.AssetSkuCollection)
	return
}

// Update 更新SKU
func (d *assetSku) Update(ctx context.Context, req *dto.UpdateAssetSkuReq) (err error) {
	buildUpdateData, err := mongo.BuildUpdateData(ctx, req)
	if err != nil {
		return
	}
	filter := bson.M{"_id": req.Id}
	update := bson.M{"$set": buildUpdateData}
	if !g.IsEmpty(req.Stock) {
		// 从$set中移除stock字段避免$set和$inc冲突
		delete(buildUpdateData, "stock")
		update = bson.M{
			"$inc": bson.M{
				"stock": req.Stock,
			},
		}
		if len(buildUpdateData) > 0 {
			update["$set"] = buildUpdateData
		}
	}
	_, err = mongo.DB().Update(ctx, filter, update, public.AssetSkuCollection)
	return
}

// DeleteFake 删除SKU-根据id进行假删
func (d *assetSku) DeleteFake(ctx context.Context, req *dto.DeleteAssetSkuReq) (err error) {
	filter := bson.M{"_id": req.Id}
	_, err = mongo.DB().DeleteSoft(ctx, filter, public.AssetSkuCollection)
	return
}

// GetOne 获取单个SKU
func (d *assetSku) GetOne(ctx context.Context, req *dto.GetAssetSkuReq, noTenantId bool) (res *entity.AssetSku, err error) {
	filter := bson.M{"_id": req.Id}
	if noTenantId {
		err = mongo.DB().NoTenantId().FindOne(ctx, filter, &res, public.AssetSkuCollection)
	} else {
		err = mongo.DB().FindOne(ctx, filter, &res, public.AssetSkuCollection)
	}
	return
}

// GetListByAssetIdExcludeCurrentSku 根据资产ID获取SKU列表并且排除当前SKU
func (d *assetSku) GetListByAssetIdExcludeCurrentSku(ctx context.Context, assetId *bson.ObjectID, req *dto.ListAssetSkuReq) (res []entity.AssetSku, total int64, err error) {
	filter := bson.M{"assetId": assetId, "_id": bson.M{"$ne": req.Id}}
	total, err = mongo.DB().Find(ctx, filter, &res, public.AssetSkuCollection, req.Page, req.OrderBy)
	return
}

// List 获取SKU列表
func (d *assetSku) List(ctx context.Context, req *dto.ListAssetSkuReq, noTenantId bool) (res []entity.AssetSku, total int64, err error) {
	// 构建查询过滤条件
	filter, err := d.buildListFilter(ctx, req)
	if err != nil {
		return
	}
	// 排序处理
	req.OrderBy = []beans.OrderBy{
		{Field: "sort", Order: beans.Asc},
		{Field: "createdAt", Order: beans.Desc},
	}
	if noTenantId {
		total, err = mongo.DB().NoTenantId().Find(ctx, filter, &res, public.AssetSkuCollection, req.Page, req.OrderBy)
	} else {
		total, err = mongo.DB().Find(ctx, filter, &res, public.AssetSkuCollection, req.Page, req.OrderBy)
	}
	return
}

// buildListFilter 构建列表查询的过滤条件
func (d *assetSku) buildListFilter(ctx context.Context, req *dto.ListAssetSkuReq) (filter bson.M, err error) {
	_ = ctx
	filter = bson.M{}
	if !g.IsEmpty(req.AssetId) {
		filter["assetId"] = req.AssetId
	}
	if !g.IsEmpty(req.Status) {
		filter["status"] = req.Status
	}
	if !g.IsEmpty(req.CategoryPath) {
		filter["categoryPath"] = bson.M{"$regex": "^" + req.CategoryPath, "$options": "i"}
	}
	if !g.IsEmpty(req.Keyword) {
		orConditions := bson.A{
			bson.M{"skuName": bson.M{"$regex": req.Keyword, "$options": "i"}},
			bson.M{"assetName": bson.M{"$regex": req.Keyword, "$options": "i"}},
		}
		filter["$or"] = orConditions
	}
	if req.MinPrice > 0 {
		filter["price"] = bson.M{"$gte": req.MinPrice}
	}
	if req.MaxPrice > 0 {
		if filter["price"] == nil {
			filter["price"] = bson.M{}
		}
		filter["price"].(bson.M)["$lte"] = req.MaxPrice
	}
	return
}