package dao

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

	"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 PurchaseOrder = new(purchaseOrder)

type purchaseOrder struct{}

// Insert 插入采购订单
func (d *purchaseOrder) Insert(ctx context.Context, req *dto.CreatePurchaseOrderReq) (ids []any, err error) {
	var result *entity.PurchaseOrder
	if err = utils.Struct(req, &result); err != nil {
		return
	}
	ids, err = mongo.DB().Insert(ctx, []interface{}{&result}, public.PurchaseOrderCollection)
	return
}

// BatchInsert 批量插入采购订单
func (d *purchaseOrder) BatchInsert(ctx context.Context, req *dto.BatchCreatePurchaseOrdersReq) (ids []any, err error) {
	items := make([]*entity.PurchaseOrder, 0, len(req.Orders))
	for _, item := range req.Orders {
		var result *entity.PurchaseOrder
		if err = utils.Struct(item, &result); err != nil {
			return
		}
		items = append(items, result)
	}
	// 转换为 interface{} 切片
	interfaces := make([]interface{}, len(items))
	for i, item := range items {
		interfaces[i] = item
	}
	ids, err = mongo.DB().Insert(ctx, interfaces, public.PurchaseOrderCollection)
	return
}

// GetOne 获取单个采购订单
func (d *purchaseOrder) GetOne(ctx context.Context, id *bson.ObjectID) (order *entity.PurchaseOrder, err error) {
	filter := bson.M{"_id": id}
	err = mongo.DB().FindOne(ctx, filter, &order, public.PurchaseOrderCollection)
	return
}

// Update 更新采购订单
func (d *purchaseOrder) Update(ctx context.Context, req *dto.UpdatePurchaseOrderReq) (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.PurchaseOrderCollection)
	return
}

// DeleteFake 删除采购订单-根据id进行假删
func (d *purchaseOrder) DeleteFake(ctx context.Context, id *bson.ObjectID) (err error) {
	filter := bson.M{"_id": id}
	_, err = mongo.DB().DeleteSoft(ctx, filter, public.PurchaseOrderCollection)
	return
}

// List 获取采购订单列表
func (d *purchaseOrder) List(ctx context.Context, req *dto.ListPurchaseOrdersReq) (res []*entity.PurchaseOrder, total int64, err error) {
	filter, err := d.buildListFilter(ctx, req)
	if err != nil {
		return
	}

	total, err = mongo.DB().Find(ctx, filter, &res, public.PurchaseOrderCollection, nil, nil)
	return
}

// ListByBuyerId 根据采购方ID获取采购订单列表
func (d *purchaseOrder) ListByBuyerId(ctx context.Context, buyerId *bson.ObjectID) (res []*entity.PurchaseOrder, err error) {
	filter := bson.M{"buyerId": buyerId}
	_, err = mongo.DB().Find(ctx, filter, &res, public.PurchaseOrderCollection, nil, nil)
	return
}

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

	if !g.IsEmpty(req.OrderNo) {
		filter["orderNo"] = req.OrderNo
	}
	if !g.IsEmpty(req.Title) {
		filter["title"] = bson.M{"$regex": req.Title, "$options": "i"}
	}
	if req.BuyerId != nil {
		filter["buyerId"] = req.BuyerId
	}
	if req.OrderType != "" {
		filter["orderType"] = req.OrderType
	}
	if req.Status != nil {
		filter["status"] = *req.Status
	}
	return
}