package com.guams.review.model;

import com.guams.review.model.dao.Comment;
import com.guams.review.model.dao.CommentIds;
import com.guams.review.model.dao.CommentWithAuthor;
import org.springframework.data.jdbc.repository.query.Modifying;
import org.springframework.data.jdbc.repository.query.Query;
import org.springframework.data.repository.CrudRepository;

import java.util.List;
import java.util.Optional;
import java.util.UUID;

public interface CommentRepository extends CrudRepository<Comment, Long> {

    List<Comment> findAll();

    @Query("select post_fk, comment_fk, author_fk from comment_association where comment_fk = :commentId")
    Optional<CommentIds> getCommentIdsByCommentId(Long commentId);

    @Query(value = "SELECT DISTINCT  " +
            "            c.id AS id,  " +
            "            a.id AS author_id,  " +
            "            a.name AS author_name,  " +
            "            a.profile_picture AS profile_picture,  " +
            "            a.role AS author_role,  " +
            "            c.content AS content,  " +
            "            c.comment_date AS comment_date,  " +
            "            c.is_updated AS is_updated  " +
            "            FROM comment c" +
            "            JOIN comment_association ca ON ca.comment_fk = c.id" +
            "            JOIN post p ON p.id = ca.post_fk" +
            "            JOIN author a ON ca.author_fk = a.id" +
            "            WHERE p.id = 3")
    List<CommentWithAuthor> getCommentsByPostId(Long postId);

    @Modifying
    @Query("delete from comment_association where comment_fk = :commentId")
    void deleteAssociationByCommentId(Long commentId);

    @Modifying
    @Query("insert into comment_association(comment_fk, post_fk, author_fk) values (:commentId, :postId, :authorId);")
    void associateCommentToUserAndPost(UUID authorId, Long postId, Long commentId);
}