package srv_detailnav

import (
	"context"
	"time"
	"videoweb/pub/common/srvdef"
	"videoweb/pub/models/detailnavmod"

	"go.mongodb.org/mongo-driver/bson"
	"go.mongodb.org/mongo-driver/bson/primitive"
	"go.mongodb.org/mongo-driver/mongo/options"
)

// GetDetailNavList 获取详情页导航列表
func GetDetailNavList(ctx context.Context, req *GetDetailNavListReq) (*GetDetailNavListResp, *srvdef.SrvErr) {
	filter := bson.M{}

	count, serr := detailnavmod.CountDetailNav(ctx, filter)
	if serr != nil {
		return nil, serr
	}
	if count == 0 {
		return &GetDetailNavListResp{
			Total: 0,
			List:  make(detailnavmod.DetailNavModelList, 0),
		}, nil
	}

	opts := options.FindOptions{}
	opts.SetSort(bson.D{
		{Key: detailnavmod.FN.DetailNavModel.Sort, Value: 1},
		{Key: detailnavmod.FN.DetailNavModel.CreatedAt, Value: -1},
	})
	opts.SetLimit(req.PageSize)
	opts.SetSkip((req.PageNum - 1) * req.PageSize)

	list, serr := detailnavmod.FindManyDetailNav(ctx, filter, &opts)
	if serr != nil {
		return nil, serr
	}

	return &GetDetailNavListResp{
		Total: count,
		List:  list,
	}, nil
}

// AddDetailNav 添加详情页导航
func AddDetailNav(ctx context.Context, req *AddDetailNavReq) *srvdef.SrvErr {
	now := time.Now()
	status := true
	if req.Status != nil {
		status = *req.Status
	}
	doc := &detailnavmod.DetailNavModel{
		ID:        primitive.NewObjectID(),
		Name:      req.Name,
		Url:       req.Url,
		Sort:      req.Sort,
		Status:    status,
		CreatedAt: now,
		UpdatedAt: now,
	}
	return detailnavmod.InsertOneDetailNav(ctx, doc)
}

// UpdateDetailNav 更新详情页导航
func UpdateDetailNav(ctx context.Context, req *UpdateDetailNavReq) *srvdef.SrvErr {
	objId, err := primitive.ObjectIDFromHex(req.Id)
	if err != nil {
		return srvdef.New(srvdef.ErrParamError, "", "")
	}

	filter := bson.M{detailnavmod.FN.DetailNavModel.ID: objId}
	updateFields := bson.M{
		detailnavmod.FN.DetailNavModel.UpdatedAt: time.Now(),
	}
	if req.Param.Name != nil {
		updateFields[detailnavmod.FN.DetailNavModel.Name] = *req.Param.Name
	}
	if req.Param.Url != nil {
		updateFields[detailnavmod.FN.DetailNavModel.Url] = *req.Param.Url
	}
	if req.Param.Sort != nil {
		updateFields[detailnavmod.FN.DetailNavModel.Sort] = *req.Param.Sort
	}
	if req.Param.Status != nil {
		updateFields[detailnavmod.FN.DetailNavModel.Status] = *req.Param.Status
	}

	return detailnavmod.UpdateOneDetailNav(ctx, filter, bson.M{"$set": updateFields})
}

// DelDetailNav 删除详情页导航
func DelDetailNav(ctx context.Context, req *DelDetailNavReq) *srvdef.SrvErr {
	objId, err := primitive.ObjectIDFromHex(req.Id)
	if err != nil {
		return srvdef.New(srvdef.ErrParamError, "", "")
	}

	filter := bson.M{detailnavmod.FN.DetailNavModel.ID: objId}
	count, serr := detailnavmod.DelOneDetailNav(ctx, filter)
	if serr != nil {
		return serr
	}
	if count == 0 {
		return srvdef.New(srvdef.ErrNoData, "", "")
	}
	return nil
}