package logic

import (
	"context"
	"errors"

	"juwan-backend/app/community/rpc/internal/svc"
	"juwan-backend/app/community/rpc/pb"

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

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

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

func (l *DelCommentsLogic) DelComments(in *pb.DelCommentsReq) (*pb.DelCommentsResp, error) {
	if in.GetId() <= 0 {
		return nil, errors.New("id is required")
	}

	store := l.svcCtx.Store
	store.Mu.Lock()
	defer store.Mu.Unlock()

	comment, ok := store.Comments[in.GetId()]
	if !ok {
		return &pb.DelCommentsResp{}, nil
	}
	if comment.GetDeletedAt() == 0 {
		now := nowUnix(0)
		comment.DeletedAt = now
		if post, ok := store.Posts[comment.GetPostId()]; ok && post.GetDeletedAt() == 0 && post.CommentCount > 0 {
			post.CommentCount--
			post.UpdatedAt = now
		}
	}

	return &pb.DelCommentsResp{}, nil
}