package repositories

import (
	"context"

	"github.com/CubeCraft-Creations/Extrudex/backend/internal/models"
	"github.com/jackc/pgx/v5/pgxpool"
)

// MaterialFinishRepository handles database queries for material finishes.
type MaterialFinishRepository struct {
	pool *pgxpool.Pool
}

// NewMaterialFinishRepository creates a MaterialFinishRepository backed by the given pool.
func NewMaterialFinishRepository(pool *pgxpool.Pool) *MaterialFinishRepository {
	return &MaterialFinishRepository{pool: pool}
}

// GetAll returns all material finishes ordered by name.
func (r *MaterialFinishRepository) GetAll(ctx context.Context) ([]models.MaterialFinish, error) {
	rows, err := r.pool.Query(ctx, `
		SELECT id, name, description, created_at, updated_at
		FROM material_finishes
		ORDER BY name
	`)
	if err != nil {
		return nil, err
	}
	defer rows.Close()

	var finishes []models.MaterialFinish
	for rows.Next() {
		var f models.MaterialFinish
		if err := rows.Scan(
			&f.ID, &f.Name, &f.Description,
			&f.CreatedAt, &f.UpdatedAt,
		); err != nil {
			return nil, err
		}
		finishes = append(finishes, f)
	}
	if err := rows.Err(); err != nil {
		return nil, err
	}
	if finishes == nil {
		finishes = []models.MaterialFinish{}
	}
	return finishes, nil
}