package repositories

import (
	"clapclap/internal/models"
	"log"

	"clapclap/internal/uuid"
	"gorm.io/gorm/clause"
)

func (r *Repo) CreateComment(comment *models.Comment) error {
	err := r.db.Create(comment).Error
	if err != nil {
		return err
	}
	log.Printf("new comment for track %s was created", comment.TrackID)
	return nil
}

func (r *Repo) GetCommentsByTrack(trackID string, preloads []string) ([]models.Comment, error) {
	var comments []models.Comment

	query := r.db

	for _, p := range preloads {
		query = query.Preload(p)
	}
	// Only fetch top-level comments; replies are preloaded
	err := query.Where("track_id = ? AND reply_to_id IS NULL", trackID).
		Find(&comments).Error
	return comments, err
}

func (r *Repo) UpdateComment(comment *models.Comment) error {
	if err := r.db.Model(comment).Updates(comment).Error; err != nil {
		return err
	}

	log.Printf("comment is successfully updated for track %s", comment.TrackID)
	return nil
}

func (r *Repo) DeleteComment(id string) error {
	uid, err := uuid.Parse(id)
	if err != nil {
		return err
	}

	var comment models.Comment
	err = r.db.Clauses(clause.Returning{}).
		Where("id = ?", uid).
		Delete(&comment).Error
	if err != nil {
		return err
	}

	log.Printf("Comment for track %s was deleted", comment.TrackID)
	return nil
}

func (r *Repo) GetCommentByID(id string, preloads []string) (*models.Comment, error) {
	var comment models.Comment
	uid, err := uuid.Parse(id)
	if err != nil {
		return nil, err
	}

	query := r.db

	for _, p := range preloads {
		query = query.Preload(p)
	}

	err = query.
		First(&comment, "id = ?", uid).Error
	return &comment, err
}