// Copyright 2022 CloudWeGo Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//

package pack

import (
	"github.com/cloudwego/biz-demo/easy_note/cmd/note/dal/db"
	"github.com/cloudwego/biz-demo/easy_note/kitex_gen/demonote"
)

// Note pack note info
func Note(m *db.Note) *demonote.Note {
	if m == nil {
		return nil
	}

	return &demonote.Note{
		NoteId:     int64(m.ID),
		UserId:     m.UserID,
		Title:      m.Title,
		Content:    m.Content,
		CreateTime: m.CreatedAt.Unix(),
	}
}

// Notes pack list of note info
func Notes(ms []*db.Note) []*demonote.Note {
	notes := make([]*demonote.Note, 0)
	for _, m := range ms {
		if n := Note(m); n != nil {
			notes = append(notes, n)
		}
	}
	return notes
}

func UserIds(ms []*db.Note) []int64 {
	uIds := make([]int64, 0)
	if len(ms) == 0 {
		return uIds
	}
	uIdMap := make(map[int64]struct{})
	for _, m := range ms {
		if m != nil {
			uIdMap[m.UserID] = struct{}{}
		}
	}
	for uId := range uIdMap {
		uIds = append(uIds, uId)
	}
	return uIds
}
