package label

import (
	"context"
	"entgo.io/ent/dialect/sql"
	"strings"
	"time"
	"wechat-api/ent"
	"wechat-api/ent/label"
	"wechat-api/internal/svc"
	"wechat-api/internal/types"

	"github.com/zeromicro/go-zero/core/logx"
)

type LabelImportLogic struct {
	logx.Logger
	ctx    context.Context
	svcCtx *svc.ServiceContext
}

func NewLabelImportLogic(ctx context.Context, svcCtx *svc.ServiceContext) *LabelImportLogic {
	return &LabelImportLogic{
		Logger: logx.WithContext(ctx),
		ctx:    ctx,
		svcCtx: svcCtx}
}

func (l *LabelImportLogic) LabelImport(req *types.LabelImportReq) (resp *types.LabelImportResp, err error) {
	// todo: add your logic here and delete this line
	organizationId := l.ctx.Value("organizationId").(uint64)
	contentString := req.Content
	// contentString := "1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34
	//逗号分隔contentString
	contents := strings.Split(contentString, ",")
	//查找已经存在的标签

	uniqueContents := make(map[string]struct{})
	for _, tag := range contents {
		tag = strings.TrimSpace(tag)
		if tag != "" {
			uniqueContents[tag] = struct{}{}
		}
	}
	contentList := make([]string, 0, len(uniqueContents))
	for tag := range uniqueContents {
		contentList = append(contentList, tag)
	}
	existingLabels, err := l.svcCtx.DB.Label.Query().
		Where(
			label.NameIn(contentList...),
			label.OrganizationID(organizationId),
		).
		Select(label.FieldName).
		All(l.ctx)
	if err != nil {
		return nil, err
	}
	//var toInsert []string
	existMap := make(map[string]bool)
	for _, tag := range existingLabels {
		existMap[tag.Name] = true
	}
	labelCreates := make([]*ent.LabelCreate, 0)
	inserted := make([]string, 0)
	existed := make([]string, 0)
	for _, tag := range contentList {
		if existMap[tag] {
			existed = append(existed, tag)
			continue
		}
		if !existMap[tag] {
			labelCreates = append(labelCreates, l.svcCtx.DB.Label.Create().
				SetName(tag).
				SetType(*req.Type).
				SetStatus(1).
				SetOrganizationID(organizationId).
				SetFrom(2).
				SetMode(1).
				SetConditions(`{}`).
				SetCreatedAt(time.Now()).
				SetUpdatedAt(time.Now()),
			)
		}
		inserted = append(inserted, tag)
	}
	if len(labelCreates) > 0 {
		err := l.svcCtx.DB.Label.CreateBulk(labelCreates...).
			OnConflict(sql.ConflictColumns(label.FieldName, label.FieldOrganizationID)).
			DoNothing().
			Exec(l.ctx)
		if err != nil {
			logx.Error("label 批量插入失败", labelCreates)
			return nil, err
		}
	}
	return &types.LabelImportResp{
		BaseDataInfo: types.BaseDataInfo{
			Code: 0,
			Msg:  "success",
		},
		Data: types.LabelImportInfo{
			Inserted: inserted,
			Existed:  existed,
		},
	}, nil
}