package repository

import (
	"context"

	"backend/pkg/post/domain/entity"
	"backend/pkg/post/domain/post"

	"github.com/gocql/gocql"
)

// CommentRepository defines the interface for comment data access operations
type CommentRepository interface {
	BaseCommentRepository
	FindByPostID(ctx context.Context, postID gocql.UUID, params *CommentQueryParams) ([]*entity.Comment, int64, error)
	FindByParentID(ctx context.Context, parentID gocql.UUID, params *CommentQueryParams) ([]*entity.Comment, int64, error)
	FindByAuthorUID(ctx context.Context, authorUID string, params *CommentQueryParams) ([]*entity.Comment, int64, error)
	FindReplies(ctx context.Context, commentID gocql.UUID, params *CommentQueryParams) ([]*entity.Comment, int64, error)
	IncrementLikeCount(ctx context.Context, commentID gocql.UUID) error
	DecrementLikeCount(ctx context.Context, commentID gocql.UUID) error
	IncrementReplyCount(ctx context.Context, commentID gocql.UUID) error
	DecrementReplyCount(ctx context.Context, commentID gocql.UUID) error
	UpdateStatus(ctx context.Context, commentID gocql.UUID, status post.CommentStatus) error
}

// BaseCommentRepository defines basic CRUD operations for comments
type BaseCommentRepository interface {
	Insert(ctx context.Context, data *entity.Comment) error
	FindOne(ctx context.Context, id gocql.UUID) (*entity.Comment, error)
	Update(ctx context.Context, data *entity.Comment) error
	Delete(ctx context.Context, id gocql.UUID) error
}

// CommentQueryParams defines query parameters for comment listing
type CommentQueryParams struct {
	PostID          *gocql.UUID
	ParentID        *gocql.UUID
	AuthorUID       *string
	Status          *post.CommentStatus
	CreateStartTime *int64
	CreateEndTime   *int64
	PageSize        int64
	PageIndex       int64
	OrderBy         string // "created_at", "like_count"
	OrderDirection  string // "ASC", "DESC"
}