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

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

func (l *UpdatePostsLogic) UpdatePosts(in *pb.UpdatePostsReq) (*pb.UpdatePostsResp, error) {
	if in.GetId() <= 0 {
		return nil, errors.New("id is required")
	}

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

	post, ok := store.Posts[in.GetId()]
	if !ok || post.GetDeletedAt() > 0 {
		return nil, errors.New("post not found")
	}

	if in.AuthorId != nil {
		post.AuthorId = in.GetAuthorId()
	}
	if in.AuthorRole != nil {
		post.AuthorRole = in.GetAuthorRole()
	}
	if in.Title != nil {
		post.Title = in.GetTitle()
	}
	if in.Content != nil {
		post.Content = in.GetContent()
	}
	if len(in.Images) > 0 {
		post.Images = append([]string(nil), in.GetImages()...)
	}
	if len(in.Tags) > 0 {
		post.Tags = append([]string(nil), in.GetTags()...)
	}
	if in.LinkedOrderId != nil {
		post.LinkedOrderId = in.GetLinkedOrderId()
	}
	if in.QuotedPostId != nil {
		post.QuotedPostId = in.GetQuotedPostId()
	}
	if in.LikeCount != nil {
		post.LikeCount = in.GetLikeCount()
	}
	if in.CommentCount != nil {
		post.CommentCount = in.GetCommentCount()
	}
	if in.Pinned != nil {
		post.Pinned = in.GetPinned()
	}
	if in.SearchText != nil {
		post.SearchText = in.GetSearchText()
	}
	if in.DeletedAt != nil {
		post.DeletedAt = in.GetDeletedAt()
	}
	if in.CreatedAt != nil {
		post.CreatedAt = in.GetCreatedAt()
	}
	post.UpdatedAt = nowUnix(in.GetUpdatedAt())

	return &pb.UpdatePostsResp{}, nil
}