// internal/repositories/role_repo.go
package repositories

import (
	"errors"
	"lost-and-found/internal/models"

	"gorm.io/gorm"
)

type RoleRepository struct {
	db *gorm.DB
}

func NewRoleRepository(db *gorm.DB) *RoleRepository {
	return &RoleRepository{db: db}
}

// FindAll returns all roles
func (r *RoleRepository) FindAll() ([]models.Role, error) {
	var roles []models.Role
	err := r.db.Find(&roles).Error
	return roles, err
}

// FindByID finds role by ID
func (r *RoleRepository) FindByID(id uint) (*models.Role, error) {
	var role models.Role
	err := r.db.First(&role, id).Error
	if err != nil {
		if errors.Is(err, gorm.ErrRecordNotFound) {
			return nil, errors.New("role not found")
		}
		return nil, err
	}
	return &role, nil
}

// FindByName finds role by name
func (r *RoleRepository) FindByName(name string) (*models.Role, error) {
	var role models.Role
	err := r.db.Where("name = ?", name).First(&role).Error
	if err != nil {
		if errors.Is(err, gorm.ErrRecordNotFound) {
			return nil, errors.New("role not found")
		}
		return nil, err
	}
	return &role, nil
}

// Create creates a new role
func (r *RoleRepository) Create(role *models.Role) error {
	return r.db.Create(role).Error
}

// Update updates role data
func (r *RoleRepository) Update(role *models.Role) error {
	return r.db.Save(role).Error
}

// Delete deletes a role
func (r *RoleRepository) Delete(id uint) error {
	return r.db.Delete(&models.Role{}, id).Error
}