package dao

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

	"gitea.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 Supplier = new(supplier)

type supplier struct{}

// Insert 插入供应商
func (d *supplier) Insert(ctx context.Context, req *dto.CreateSupplierReq) (ids []any, err error) {
	var result *entity.Supplier
	if err = gconv.Struct(req, &result); err != nil {
		return
	}
	ids, err = mongo.DB().Insert(ctx, []interface{}{&result}, public.SupplierCollection)
	return
}

// BatchInsert 批量插入供应商
func (d *supplier) BatchInsert(ctx context.Context, req *dto.BatchCreateSuppliersReq) (ids []any, err error) {
	items := make([]*entity.Supplier, 0, len(req.Suppliers))
	for _, item := range req.Suppliers {
		var result *entity.Supplier
		if err = gconv.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.SupplierCollection)
	return
}

// GetOne 获取单个供应商
func (d *supplier) GetOne(ctx context.Context, id *bson.ObjectID) (supplier *entity.Supplier, err error) {
	filter := bson.M{"_id": id}
	err = mongo.DB().FindOne(ctx, filter, &supplier, public.SupplierCollection)
	return
}

// Update 更新供应商
func (d *supplier) Update(ctx context.Context, req *dto.UpdateSupplierReq) (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.SupplierCollection)
	return
}

// DeleteFake 删除供应商-根据id进行假删
func (d *supplier) DeleteFake(ctx context.Context, id *bson.ObjectID) (err error) {
	filter := bson.M{"_id": id}
	_, err = mongo.DB().DeleteSoft(ctx, filter, public.SupplierCollection)
	return
}

// List 获取供应商列表
func (d *supplier) List(ctx context.Context, req *dto.ListSuppliersReq) (res []*entity.Supplier, total int64, err error) {
	filter, err := d.buildListFilter(ctx, req)
	if err != nil {
		return
	}

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

// FindActiveSuppliers 获取活跃供应商列表
func (d *supplier) FindActiveSuppliers(ctx context.Context) (res []*entity.Supplier, err error) {
	filter := bson.M{
		"status":    1, // consts.SupplierStatusActive
		"isDeleted": false,
	}
	_, err = mongo.DB().Find(ctx, filter, &res, public.SupplierCollection, nil, nil)
	return
}

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

	if !g.IsEmpty(req.Name) {
		filter["name"] = bson.M{"$regex": req.Name, "$options": "i"}
	}
	if !g.IsEmpty(req.Code) {
		filter["code"] = req.Code
	}
	if req.Status != nil {
		filter["status"] = *req.Status
	}
	return
}